CN114150506B - Antibacterial antistatic PTT fiber wool-like double-sided woolen cloth and processing and finishing method thereof - Google Patents
Antibacterial antistatic PTT fiber wool-like double-sided woolen cloth and processing and finishing method thereof Download PDFInfo
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- CN114150506B CN114150506B CN202111569174.6A CN202111569174A CN114150506B CN 114150506 B CN114150506 B CN 114150506B CN 202111569174 A CN202111569174 A CN 202111569174A CN 114150506 B CN114150506 B CN 114150506B
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- 239000000835 fiber Substances 0.000 title claims abstract description 103
- 239000004744 fabric Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 27
- -1 vinyl quaternary ammonium salt Chemical class 0.000 claims abstract description 63
- 229920002215 polytrimethylene terephthalate Polymers 0.000 claims abstract description 42
- 238000012986 modification Methods 0.000 claims abstract description 32
- 230000004048 modification Effects 0.000 claims abstract description 32
- DZGWFCGJZKJUFP-UHFFFAOYSA-N Tyramine Natural products NCCC1=CC=C(O)C=C1 DZGWFCGJZKJUFP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 229960003732 tyramine Drugs 0.000 claims abstract description 26
- DZGWFCGJZKJUFP-UHFFFAOYSA-O tyraminium Chemical compound [NH3+]CCC1=CC=C(O)C=C1 DZGWFCGJZKJUFP-UHFFFAOYSA-O 0.000 claims abstract description 26
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 22
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 14
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 54
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 22
- 230000007062 hydrolysis Effects 0.000 claims description 21
- 238000006460 hydrolysis reaction Methods 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 19
- 229920000728 polyester Polymers 0.000 claims description 16
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide Chemical compound CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 claims description 14
- 108090000604 Hydrolases Proteins 0.000 claims description 11
- 102000004157 Hydrolases Human genes 0.000 claims description 11
- 229960002089 ferrous chloride Drugs 0.000 claims description 11
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 11
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 claims description 10
- 239000000413 hydrolysate Substances 0.000 claims description 10
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 10
- NQTADLQHYWFPDB-UHFFFAOYSA-N N-Hydroxysuccinimide Chemical compound ON1C(=O)CCC1=O NQTADLQHYWFPDB-UHFFFAOYSA-N 0.000 claims description 7
- 108090001060 Lipase Proteins 0.000 claims description 6
- 239000004367 Lipase Substances 0.000 claims description 6
- 102000004882 Lipase Human genes 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 108010005400 cutinase Proteins 0.000 claims description 6
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims description 6
- 235000019421 lipase Nutrition 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- FZGFBJMPSHGTRQ-UHFFFAOYSA-M trimethyl(2-prop-2-enoyloxyethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCOC(=O)C=C FZGFBJMPSHGTRQ-UHFFFAOYSA-M 0.000 claims description 6
- 238000007730 finishing process Methods 0.000 claims description 3
- TZYULTYGSBAILI-UHFFFAOYSA-M trimethyl(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC=C TZYULTYGSBAILI-UHFFFAOYSA-M 0.000 claims description 2
- RRHXZLALVWBDKH-UHFFFAOYSA-M trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)OCC[N+](C)(C)C RRHXZLALVWBDKH-UHFFFAOYSA-M 0.000 claims description 2
- OEIXGLMQZVLOQX-UHFFFAOYSA-N trimethyl-[3-(prop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCCNC(=O)C=C OEIXGLMQZVLOQX-UHFFFAOYSA-N 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 abstract description 23
- 229920000573 polyethylene Polymers 0.000 abstract description 23
- 150000003242 quaternary ammonium salts Chemical class 0.000 abstract description 23
- 238000001035 drying Methods 0.000 abstract description 10
- 229920002521 macromolecule Polymers 0.000 abstract description 8
- 239000000178 monomer Substances 0.000 abstract description 6
- 150000003254 radicals Chemical class 0.000 abstract description 6
- 210000002268 wool Anatomy 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003513 alkali Substances 0.000 abstract description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 239000002932 luster Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010559 graft polymerization reaction Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 45
- 230000000694 effects Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 238000004043 dyeing Methods 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- INKDAKMSOSCDGL-UHFFFAOYSA-N [O].OC1=CC=CC=C1 Chemical compound [O].OC1=CC=CC=C1 INKDAKMSOSCDGL-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002120 nanofilm Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- MPNXSZJPSVBLHP-UHFFFAOYSA-N 2-chloro-n-phenylpyridine-3-carboxamide Chemical compound ClC1=NC=CC=C1C(=O)NC1=CC=CC=C1 MPNXSZJPSVBLHP-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229920006052 Chinlon® Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- HGINCPLSRVDWNT-UHFFFAOYSA-N acrylaldehyde Natural products C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 210000000085 cashmere Anatomy 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009963 fulling Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/08—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of synthetic origin
- D06M14/12—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of synthetic origin of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M14/14—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/328—Amines the amino group being bound to an acyclic or cycloaliphatic carbon atom
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The application discloses an antibacterial antistatic PTT fiber wool-like double-sided woolen cloth and a processing and finishing method thereof, comprising the following steps: s1, pretreatment: hydrolyzing ester bonds on the surface of the wool-like double-sided woolen fiber to generate carboxyl groups, so as to obtain standby wool-like double-sided woolen; s2, modification treatment: washing the standby wool-like double-sided woolen, and grafting tyramine to obtain modified wool-like double-sided woolen containing phenolic hydroxyl groups; s3, finishing treatment: and (3) cleaning the modified wool-like double-sided woolen, and then performing free radical graft polymerization with a vinyl quaternary ammonium salt monomer under a catalytic system, so that a polyethylene quaternary ammonium salt macromolecule is grafted on the surface of the polytrimethylene terephthalate fiber, and cleaning and drying the wool-like double-sided woolen. The application has the advantages of no need of high temperature and strong alkali, low treatment temperature, simple production steps, low production energy consumption, reduced damage to fibers, realization of grafting of vinyl quaternary ammonium salt molecules on the surfaces of the fibers, effective improvement of antistatic and antibacterial properties of the fibers, and increase of diffuse reflection light of fabrics, so that the luster of the fabrics is more similar to that of wool products.
Description
Technical Field
The application relates to the technical field of textile dyeing and finishing, in particular to an antibacterial antistatic PTT fiber wool-like double-sided woolen and a processing and finishing method thereof.
Background
The double-faced woolen goods are woolen goods with the same positive and negative styles which are processed by adopting wool as a raw material. Compared with common woolen fabric, the double-sided woolen fabric has the advantages of fine and soft texture, good warmth retention property and super-strong elasticity, unique fulling property and wrinkle resistance, fine and smooth hand feeling, and is popular with consumers. The all-wool double-sided woolen has higher requirements on the quality of wool fiber raw materials, and is complex in weaving, dyeing and finishing processing, so that the production cost is higher. In recent years, synthetic fibers (such as terylene, chinlon and acrylon) are adopted as raw materials, forward and reverse homofacial tissue weaving is adopted, and wool-like double-sided woolen combined with fiber modification and finishing processing is increasingly favored by consumers.
The polytrimethylene terephthalate (PTT) fiber is a novel polyester fiber formed by polycondensation of terephthalic acid and propylene glycol, and has better elasticity and bulkiness, so that the polytrimethylene terephthalate (PTT) fiber becomes a new raw material for developing garment materials including wool-like double-sided woolen. Compared with common polyester, the PTT fiber is easy to dye at normal temperature, and the processed wool-like double-sided woolen fabric has soft and comfortable feeling, has a hand feeling style more similar to cashmere, and has the unique crease-resistant recovery performance of the polyester fiber.
However, the wool-like double-faced woolen cloth processed by PTT fiber has several defects in the prior art of taking: 1) The luster is not as soft as the full-wool double-sided woolen cloth, mainly because the PTT fiber has smooth round surface with mirror surface light and the wool surface scales into rough appearance; 2) The static accumulation is easy to generate, and mainly comes from the fact that the fiber belongs to polyester hydrophobic fiber; 3) The antibacterial performance is lower, and the reason is that dust is adsorbed after static electricity is generated on the fiber, the fabric structure is fluffy, and the fabric structure is easy to become a bacteria breeding providing place, so that the three defects restrict the improvement of the quality of the current PTT wool-like double-sided woolen product.
Aiming at the problems of the wool-like double-sided woolen product, researchers adopt an alkaline method to process the fiber for modification, namely, the wool-like double-sided woolen grey cloth is subjected to caustic soda treatment, and the purpose of improving the surface roughness and increasing the hydrophilicity of the fiber is achieved by hydrolyzing ester bonds in the fiber macromolecules to realize the surface etching of the fiber. Practice shows that the treatment process of the wool-like double-sided woolen finishing by the alkaline method is difficult to control, fiber damage is easy to cause, and the antibacterial performance is not improved.
Therefore, a novel finishing method of the wool-like double-sided woolen cloth is very necessary to be developed.
Disclosure of Invention
The application aims to provide antibacterial and antistatic PTT fiber wool-like double-sided woolen and a processing and finishing method thereof, which are used for solving the technical problems that in the prior art, the surface of the wool-like double-sided woolen processed by PTT fibers is smooth, has mirror light, is easy to generate static accumulation, has lower antibacterial performance, adopts an alkaline method to finish the wool-like double-sided woolen, improves the surface roughness, increases the hydrophilicity of the fibers, and has the defects of difficult control of the processing process, easy fiber damage, no improvement of the antibacterial performance and the like.
In order to achieve the above object, the technical scheme of the present application is as follows:
the application provides a processing and finishing method of an antibacterial antistatic PTT fiber wool-like double-sided woolen cloth, which comprises the following steps:
s1, pretreatment: taking wool-like double-sided woolen woven by polytrimethylene terephthalate fibers as a raw material, and hydrolyzing ester bonds on the surfaces of the wool-like double-sided woolen fibers to generate carboxyl groups to obtain standby wool-like double-sided woolen containing the carboxyl groups;
s2, modification treatment: washing the standby wool-like double-sided woolen prepared in the step S1, and then grafting tyramine to obtain modified wool-like double-sided woolen containing phenolic hydroxyl groups;
s3, finishing treatment: and (3) cleaning the modified wool-like double-sided woolen cloth prepared in the step (S2), performing free radical graft polymerization with a vinyl quaternary ammonium salt monomer under a catalytic system, grafting the vinyl quaternary ammonium salt monomer on the surface of the polytrimethylene terephthalate fiber, and cleaning and drying the wool-like double-sided woolen cloth.
Through adopting the scheme, PTT fiber of the wool-like double-sided woolen is hydrolyzed to generate carboxyl, then tyramine containing phenolic hydroxyl is grafted by the carboxyl, so that the surface of the PTT fiber contains phenolic hydroxyl, the phenolic hydroxyl is polymerized with vinyl quaternary ammonium salt monomer under a catalytic system, so that a polyethylene quaternary ammonium salt antibacterial film is formed on the surface of the fiber, meanwhile, the vinyl quaternary ammonium salt has good antistatic effect, the surface roughness of the grafted fiber is increased, diffuse reflection light is increased, and the wool-like double-sided woolen produces deepening effect.
Based on the technical scheme, the application can also be improved as follows:
further, the S1 specifically comprises the steps of putting the wool-like double-sided woolen into a hydrolysate containing polyester hydrolase for hydrolysis treatment, wherein the hydrolysate comprises the following components: the polyester hydrolase is 20-50U/mL, the penetrating agent is 0.5-1.0 g/L, the pH value of the hydrolysate is 7.5-8.5, the temperature of the hydrolysis treatment is 40-50 ℃, and the treatment time is 4-8 hours.
By adopting the scheme, the polyester hydrolase is utilized to hydrolyze the ester bonds on the surface of the PTT fiber, the energy consumption is low, the treatment temperature is low, the use of high temperature and strong alkali treatment is avoided, and the damage to the fiber is small.
Further, the polyester hydrolase is one or a combination of two of lipase and cutinase.
Further, the step S2 is specifically that the standby wool-like double-sided woolen prepared in the step S1 is put into a modification treatment liquid containing tyramine for modification treatment, and the modification treatment liquid comprises the following components: 2-5 g/L of 1-ethyl-3- (3-dimethylaminopropyl) -carbodiimide, 2-5 g/L of N-hydroxysuccinimide and 5-10 g/L of tyramine, wherein the pH value of the modified treatment liquid is 5.5-6.5.
By using the above scheme, tyramine was grafted onto the fiber surface using 1-ethyl-3- (3-dimethylaminopropyl) -carbodiimide and N-hydroxysuccinimide.
Further, the temperature of the modification treatment is 25-40 ℃ and the treatment time is 8-12 hours.
Further, the step S3 is specifically that the modified wool-like double-sided woolen prepared in the step S2 is put into a finishing liquid for finishing treatment, and the finishing liquid comprises the following components: 10-25 g/L of vinyl quaternary ammonium salt, 0.5-1.5 g/L of N, N-methylene bisacrylamide, 5-10 g/L of ferrous chloride and 1.5-3 g/L of hydrogen peroxide, wherein the pH value of the finishing liquid is 3.5-5, and the finishing liquid is cleaned and dried after finishing treatment.
By adopting the scheme, the Fenton system consisting of hydrogen peroxide and ferrous chloride can catalyze and oxidize tyramine to generate phenol oxygen free radicals, so that the phenol oxygen free radicals react with vinyl quaternary ammonium salt free radicals to initiate polymerization of the vinyl quaternary ammonium salt free radicals, and a polyethylene quaternary ammonium salt antibacterial film is formed on the surface of the fiber.
Further, the treatment temperature of the finishing treatment is 30-40 ℃ and the treatment time is 3-6 hours.
Further, the vinyl quaternary ammonium salt comprises one or more of dimethyl diallyl ammonium chloride, (3-acrylamide propyl) trimethyl ammonium chloride, methacryloxyethyl trimethyl ammonium chloride, acryloxyethyl trimethyl ammonium chloride and allyl trimethyl ammonium chloride.
Furthermore, the wool-like double-faced woolen cloth is a fabric woven by adopting 240-300 denier polytrimethylene terephthalate fibers as raw materials and adopting two-upper-two-lower twill weave.
The second aspect of the application provides the antibacterial antistatic PTT fiber wool-like double-sided woolen cloth prepared by the processing and finishing method of the first aspect of the application.
Compared with the prior art, the application has the beneficial effects that:
1. according to the wool-like double-sided woolen, the carboxyl is generated by hydrolyzing ester bonds on the surface of PTT fibers, and the carboxyl is grafted and polymerized with tyramine containing phenolic hydroxyl groups, so that the phenolic hydroxyl groups are grafted on the surface of the fibers, the surfaces of the PTT fibers contain the phenolic hydroxyl groups, and the phenolic hydroxyl groups are polymerized with vinyl quaternary ammonium salt monomers under a catalytic system, so that a polyethylene quaternary ammonium salt molecular film is formed on the surfaces of the fibers, and the polyethylene quaternary ammonium salt molecules and the hydroxyl groups generated by the ester bond hydrolysis have antistatic effects, so that the wool-like double-sided woolen has excellent antistatic performance, and the induced voltage is reduced by 40% -60% compared with an untreated sample;
2. according to the application, the vinyl quaternary ammonium salt monomer is grafted and polymerized on the surface of the wool-like double-sided woolen fiber, and the polyethylene quaternary ammonium salt molecular film is formed on the surface of the fiber, so that the fiber is endowed with excellent antibacterial performance, and the antibacterial rate against escherichia coli is more than 95%;
3. the wool-like double-sided woolen avoids the use of high temperature and strong alkali treatment in the processing and finishing process, has small damage to fibers, and simultaneously, the grafted and polymerized polyethylene quaternary ammonium salt molecules are also beneficial to improving the fiber strength, so that the fiber strength of the wool-like double-sided woolen is increased relative to an untreated sample, and the breaking strength change rate reaches +1.5- +2.4;
4. according to the wool-like double-sided woolen material, the fiber surface is etched after the polyester fiber is hydrolyzed, the roughness of the fiber surface is further increased after the polyethylene quaternary ammonium salt is deposited, the diffuse reflection light of the fabric is increased, the dyeing depth K/S of a sample is improved, and the appearance and the luster of the wool-like double-sided woolen material are more similar to those of wool products;
5. the processing and finishing method of the application does not need high temperature and strong alkali, has low treatment temperature, simple production steps and low production energy consumption, reduces the damage to the fiber, and realizes the grafting of vinyl quaternary ammonium salt molecules on the surface of the fiber by adopting pretreatment, modification treatment and finishing treatment steps in sequence, thereby effectively improving the antistatic and antibacterial properties of the fiber, increasing the diffuse reflection light of the fabric and enabling the luster of the fabric to be more similar to that of wool products.
Detailed Description
Embodiments of the technical scheme of the present application are described in detail below. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
Embodiment one:
the embodiment provides an antibacterial antistatic PTT fiber wool-like double-sided woolen which is processed and finished by the following method:
s1, pretreatment: taking a plain wool-like double-sided woolen woven by 240 denier polytrimethylene terephthalate fiber as a raw material, and putting the wool-like double-sided woolen into a hydrolysis solution containing lipase for hydrolysis treatment, wherein the hydrolysis solution comprises the following components: lipase 20U/mL, penetrating agent 0.5g/L, pH of hydrolysate 7.5, hydrolysis treatment temperature 40 ℃ and treatment time 4 hours, thus obtaining the standby wool-like double-faced woolen cloth containing carboxyl;
s2, modification treatment: cleaning the standby wool-like double-sided woolen prepared in the step S1, and then placing the cleaned wool-like double-sided woolen into a tyramine-containing modification treatment liquid for modification treatment, wherein the modification treatment liquid comprises the following components: 2g/L of 1-ethyl-3- (3-dimethylaminopropyl) -carbodiimide, 2g/L of N-hydroxysuccinimide, 5g/L of tyramine, and the pH of the modified treatment solution is 5.5, the modification treatment temperature is 25 ℃, and the treatment time is 8 hours, so as to obtain the modified wool-like double-sided woolen containing phenolic hydroxyl groups;
s3, finishing treatment: and (3) cleaning the modified wool-like double-sided woolen prepared in the step (S2), and then placing the cleaned wool-like double-sided woolen into a finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 10g/L of dimethyl diallyl ammonium chloride, 0.5g/L of N, N-methylene bisacrylamide, 5g/L of ferrous chloride, 1.5g/L of hydrogen peroxide, 3.5 g/L of finishing liquid, 30 ℃ of finishing treatment temperature and 3 hours of treatment time, and cleaning and drying to obtain the finished product.
Embodiment two:
the embodiment provides an antibacterial antistatic PTT fiber wool-like double-sided woolen which is processed and finished by the following method:
s1, pretreatment: taking mixed color wool-like double-sided woolen woven by 280 denier polytrimethylene terephthalate fibers as a raw material, and putting the wool-like double-sided woolen into hydrolysis liquid containing cutinase for hydrolysis treatment, wherein the hydrolysis liquid comprises the following components: the cutinase is 50U/mL, the penetrating agent is 1.0g/L, the pH of the hydrolysate is 8.5, the temperature of the hydrolysis treatment is 50 ℃, and the treatment time is 8 hours, so that the standby wool-like double-faced woolen cloth containing carboxyl is obtained;
s2, modification treatment: cleaning the standby wool-like double-sided woolen prepared in the step S1, and then placing the cleaned wool-like double-sided woolen into a tyramine-containing modification treatment liquid for modification treatment, wherein the modification treatment liquid comprises the following components: 1-ethyl-3- (3-dimethylaminopropyl) -carbodiimide 5g/L, N-hydroxysuccinimide 5g/L and tyramine 10g/L, wherein the pH of the modified treatment liquid is 6, the temperature of the modification treatment is 40 ℃ and the treatment time is 12 hours, so as to obtain the modified simulated woolen cloth containing phenolic hydroxyl groups;
s3, finishing treatment: and (3) cleaning the modified wool-like double-sided woolen prepared in the step (S2), and then placing the cleaned wool-like double-sided woolen into a finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 25g/L of acryloyloxyethyl trimethyl ammonium chloride, 1.5g/L of N, N-methylene bisacrylamide, 10g/L of ferrous chloride, 3g/L of hydrogen peroxide, 5 pH of finishing liquid, 40 ℃ of finishing treatment temperature, 6 hours of treatment time, and cleaning and drying.
Comparative example one:
the same 240 denier polytrimethylene terephthalate fiber woven plain-color wool-like double-faced woolen cloth as in example one was taken as comparative example one.
Comparative example two:
the wool-like double-sided woolen of the comparative example is processed and finished by adopting the following method:
s1, taking a plain wool-like double-sided woolen woven by 240 denier polytrimethylene terephthalate fiber as a raw material, cleaning the wool-like double-sided woolen, and then putting the cleaned wool-like double-sided woolen into a modification treatment liquid containing tyramine for modification treatment, wherein the modification treatment liquid comprises the following components: 2g/L of 1-ethyl-3- (3-dimethylaminopropyl) -carbodiimide, 2g/L of N-hydroxysuccinimide and 5g/L of tyramine, wherein the pH of the modifying treatment solution is 5.5, the modifying treatment temperature is 25 ℃, and the treatment time is 8 hours;
s2, taking the wool-like double-sided woolen subjected to S1 treatment, cleaning, and then placing the wool-like double-sided woolen into finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 10g/L of dimethyl diallyl ammonium chloride, 0.5g/L of N, N-methylene bisacrylamide, 5g/L of ferrous chloride, 1.5g/L of hydrogen peroxide, 3.5 g/L of finishing liquid, 30 ℃ of finishing treatment temperature and 3 hours of treatment time, and cleaning and drying to obtain the finished product.
Comparative example three:
the wool-like double-sided woolen of the comparative example is processed and finished by adopting the following method:
s1, taking a plain wool-like double-sided woolen woven by 240 denier polytrimethylene terephthalate fibers as a raw material, and putting the wool-like double-sided woolen into a hydrolysis liquid containing lipase for hydrolysis treatment, wherein the hydrolysis liquid comprises the following components: lipase 20U/mL, penetrating agent 0.5g/L, pH of hydrolysate 7.5, hydrolysis treatment temperature 40 ℃ and treatment time 4 hours, thus obtaining the standby wool-like double-faced woolen cloth containing carboxyl;
s2, finishing treatment: and (3) cleaning the standby wool-like double-sided woolen prepared in the step (S2), and then placing the cleaned wool-like double-sided woolen into a finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 10g/L of dimethyl diallyl ammonium chloride, 0.5g/L of N, N-methylene bisacrylamide, 5g/L of ferrous chloride, 1.5g/L of hydrogen peroxide, 3.5 g/L of finishing liquid, 30 ℃ of finishing treatment temperature and 3 hours of treatment time, and cleaning and drying to obtain the finished product.
Comparative example four:
the wool-like double-sided woolen of the comparative example is processed and finished by adopting the following method:
s1, taking a plain wool-like double-sided woolen woven by 240 denier polytrimethylene terephthalate fibers as a raw material, cleaning, and then placing the raw material into a finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 10g/L of dimethyl diallyl ammonium chloride, 0.5g/L of N, N-methylene bisacrylamide, 5g/L of ferrous chloride, 1.5g/L of hydrogen peroxide, 3.5 g/L of finishing liquid, 30 ℃ of finishing treatment temperature and 3 hours of treatment time, and cleaning and drying to obtain the finished product.
Comparative example five:
the same 280 denier polytrimethylene terephthalate fiber woven color-mixed wool-like double-faced woolen cloth as in the example was taken as a fifth comparative example.
Comparative example six:
the wool-like double-sided woolen of the comparative example is processed and finished by adopting the following method:
s1, taking mixed color wool-like double-sided woolen woven by 280 denier polytrimethylene terephthalate fibers as a raw material, cleaning, and then putting the raw material into a modification treatment liquid containing tyramine for modification treatment, wherein the modification treatment liquid comprises the following components: 1-ethyl-3- (3-dimethylaminopropyl) -carbodiimide 5g/L, N-hydroxysuccinimide 5g/L and tyramine 10g/L, the pH of the modified treatment solution is 6, the temperature of the modification treatment is 40 ℃, and the treatment time is 12 hours;
s2, taking the wool-like double-sided woolen subjected to S1 treatment, cleaning, and then placing the wool-like double-sided woolen into finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 25g/L of acryloyloxyethyl trimethyl ammonium chloride, 1.5g/L of N, N-methylene bisacrylamide, 10g/L of ferrous chloride, 3g/L of hydrogen peroxide, 5 pH of finishing liquid, 40 ℃ of finishing treatment temperature, 6 hours of treatment time, and cleaning and drying.
Comparative example seven:
the wool-like double-sided woolen of the comparative example is processed and finished by adopting the following method:
s1, taking mixed color wool-like double-sided woolen woven by 280 denier polytrimethylene terephthalate fibers as a raw material, and putting the wool-like double-sided woolen into hydrolysis liquid containing cutinase for hydrolysis treatment, wherein the hydrolysis liquid comprises the following components: the cutinase is 50U/mL, the penetrating agent is 1.0g/L, the pH of the hydrolysate is 8.5, the temperature of the hydrolysis treatment is 50 ℃, and the treatment time is 8 hours, so that the standby wool-like double-faced woolen cloth containing carboxyl is obtained;
s1, cleaning the standby wool-like double-sided woolen prepared in the step S1, and then placing the cleaned wool-like double-sided woolen into finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 25g/L of acryloyloxyethyl trimethyl ammonium chloride, 1.5g/L of N, N-methylene bisacrylamide, 10g/L of ferrous chloride, 3g/L of hydrogen peroxide, 5 pH of finishing liquid, 40 ℃ of finishing treatment temperature, 6 hours of treatment time, and cleaning and drying.
Comparative example eight:
the wool-like double-sided woolen of the comparative example is processed and finished by adopting the following method:
s1, taking mixed color wool-like double-sided woolen woven by 280 denier polytrimethylene terephthalate fibers as a raw material, cleaning, and then placing the raw material into finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 25g/L of acryloyloxyethyl trimethyl ammonium chloride, 1.5g/L of N, N-methylene bisacrylamide, 10g/L of ferrous chloride, 3g/L of hydrogen peroxide, 5 pH of finishing liquid, 40 ℃ of finishing treatment temperature, 6 hours of treatment time, and cleaning and drying.
Effect example one:
the bacteriostasis rates of the wool-like double-sided woolen of examples one, two and comparative examples one to eight on E.coli were measured with reference to GB/T20944.3-2008, and the following table data were obtained:
from the above table, it can be seen that:
the antibacterial rate of the wool-like double-sided woolen cloth in the first embodiment and the second embodiment is higher and reaches more than 95%, and the antibacterial film of the polyethylene quaternary ammonium salt is formed due to grafting of the polyethylene quaternary ammonium salt macromolecules on the surface of the fiber;
the samples without any treatment have no antibacterial effect in the comparative example one and the comparative example five;
the non-pretreated sample is not ideal in the antibacterial effect of the comparative example II and the comparative example VI, because the ester bonds on the surface of the PTT fiber are not hydrolyzed to form carboxyl groups, so that tyramine containing phenolic hydroxyl groups cannot be grafted on the surface of the fiber, and the grafting polymerization of the polyethylene quaternary ammonium salt does not occur, namely, only a small amount of vinyl quaternary ammonium salt is adsorbed on the surface of the fiber from the polymer;
the antibacterial effect of the samples of the comparative examples III and seven, which are not subjected to the treatment of grafting tyramine, is not remarkable because phenolic hydroxyl groups are not introduced into the surface of the fiber, so that the grafting polymerization of the polyethylene quaternary ammonium salt does not occur, and because the surface of the fiber is not treated by the modified treatment liquid containing tyramine, the adsorption quantity of the vinyl quaternary ammonium salt is smaller than that of the comparative examples II and six, so that the antibacterial rate is lower;
the comparative example four and comparative example eight, which were not pretreated and grafted with tyramine, were low in bacteriostasis due to the lack of grafted polymeric polyethylene quaternary ammonium salt macromolecules on the fiber surface.
Effect example two:
the induction voltage and half life of the simulated wool-like double-sided woolen samples of examples one, two and comparative examples one to eight were measured with reference to GB/T12703.1-2008, the smaller the induction voltage and half life values, the better the antistatic property, whereas the worse the antistatic property, the following table data were obtained:
from the above table, it can be seen that:
the wool-like double-sided woolen in the first embodiment and the second embodiment has lower induction voltage and shorter half-life, compared with the untreated comparative examples I and fifth embodiment, the induction voltage is respectively reduced by 40% and 60%, the half-life is also greatly reduced, and the wool-like double-sided woolen has better antistatic effect, because the surface of the fiber is grafted to form the polyethylene quaternary ammonium salt macromolecules, and the polyethylene quaternary ammonium salt has good antistatic performance, so that the antistatic performance is improved.
The comparative example one and comparative example five, which were not subjected to any treatment, were inferior in antistatic properties.
The samples without pretreatment have poor antistatic performance in the comparative examples II and six, because the ester bonds on the surfaces of the PTT fibers are not hydrolyzed to form carboxyl groups, so that tyramine containing phenolic hydroxyl groups cannot be grafted on the surfaces of the fibers, and the grafting polymerization of the polyethylene quaternary ammonium salt does not occur, namely, only a small amount of vinyl quaternary ammonium salt is adsorbed on the surfaces of the fibers from the polymers;
the samples of the comparative examples III and seven, which were not subjected to the treatment of grafted tyramine, were poor in antistatic properties because no phenolic hydroxyl groups were introduced into the fiber surface, resulting in no graft polymerization of the polyethylene quaternary ammonium salt; in addition, as the wettability of the sample is improved and the surface roughness of the fiber is increased after the sample is treated by the polyester hydrolase, the antistatic effect of the sample is improved compared with that of an untreated sample,
the samples of comparative example four and comparative example eight, which were not pretreated and grafted with tyramine, had poor antistatic properties due to the lack of graft polymerized polyethylene quaternary ammonium salt macromolecules on the fiber surface.
Effect example three:
the breaking strength of the wool-like double-sided woolen samples of examples one, two and comparative examples 1 to eight was measured with reference to GB/T3923.1-2013, and the strength change rate with respect to the untreated sample was calculated to obtain the following table data:
from the above table, it can be seen that:
the sample breaking strength of the first and second examples was increased to 1.5% and 2.4% respectively, relative to the untreated sample, due to grafting of the fiber surface to form polyethylene quaternary ammonium salt macromolecules and the formation of polyethylene quaternary ammonium salt molecular films.
The breaking strength of the samples of comparative examples two and six was slightly increased relative to the untreated samples, because the fiber surface of the sample had a small amount of vinyl quaternary ammonium salt self-assembled on the fiber surface.
The sample breaking strength of the third and seventh comparative examples was reduced because the fabric strength was reduced by the polyester hydrolase treatment, and the polyethylene quaternary ammonium salt molecular films formed on the fiber surfaces of the first and second examples made up for the defect.
The sample breaking strength of comparative example four and comparative example eight was slightly increased relative to the untreated sample, again because a small amount of vinyl quaternary ammonium salt was adsorbed from the polymer on the fiber surface.
Effect example four:
the color depth K/S values (color measurement conditions: D65 light source, 10 DEG field of view) of the samples of examples I, II and comparative examples 1 to 8 were measured using a color meter, and the following table data were obtained:
from the above table, it can be seen that:
the dyeing depth K/S of the samples in the first embodiment and the second embodiment is slightly increased compared with the original samples, because the fiber surface is etched after the polyester hydrolase treatment, the fiber surface roughness is further increased after the polyethylene quaternary ammonium salt is deposited, and the diffuse reflection light of the fabric is increased.
The dyeing depth K/S of the samples of the second comparative example and the fourth comparative example is slightly higher than that of the untreated sample, respectively, because a small amount of vinyl quaternary ammonium salt self-conglomerates are adsorbed on the surface of the fiber of the sample, and the surface roughness of the fiber is improved.
The dyeing depth K/S of the samples of the third comparative example and the seventh comparative example is slightly higher than that of the untreated samples, respectively, because the fiber surface is etched after the polyester hydrolase treatment, and a small amount of vinyl quaternary ammonium salt is adsorbed on the fiber surface from the conglomerate, so that the surface roughness of the fiber is improved.
The samples of comparative example four and comparative example were at the same level of dyeing depth K/S as untreated samples due to the lack of graft polymerized polyethylene quaternary ammonium salt macromolecules on the surface.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. The processing and finishing method of the antibacterial antistatic PTT fiber wool-like double-sided woolen is characterized by comprising the following steps:
s1, pretreatment: taking wool-like double-sided woolen woven by polytrimethylene terephthalate fibers as a raw material, and hydrolyzing ester bonds on the surfaces of the wool-like double-sided woolen fibers to generate carboxyl groups to obtain standby wool-like double-sided woolen containing the carboxyl groups;
s2, modification treatment: washing the standby wool-like double-sided woolen prepared in the step S1, and then grafting tyramine to obtain modified wool-like double-sided woolen containing phenolic hydroxyl groups;
s3, finishing treatment: and (3) cleaning the modified wool-like double-sided woolen prepared in the step (S2), and then placing the cleaned wool-like double-sided woolen into a finishing liquid for finishing treatment, wherein the finishing liquid comprises the following components: 10-25 g/L of vinyl quaternary ammonium salt, 0.5-1.5 g/L of N, N-methylene bisacrylamide, 5-10 g/L of ferrous chloride and 1.5-3 g/L of hydrogen peroxide, wherein the pH value of the finishing liquid is 3.5-5, and the finishing liquid is cleaned and dried after finishing treatment;
the S1 is specifically characterized in that the wool-like double-sided woolen is put into a hydrolysate containing polyester hydrolase for hydrolysis treatment, and the hydrolysate comprises the following components: 20-50U/mL of polyester hydrolase, 0.5-1.0 g/L of penetrating agent, wherein the pH value of the hydrolysate is 7.5-8.5, the temperature of the hydrolysis treatment is 40-50 ℃, and the treatment time is 4-8 hours;
the S2 is specifically formed by cleaning the standby wool-like double-sided woolen cloth prepared in the S1, and then placing the cleaned wool-like double-sided woolen cloth into a tyramine-containing modification treatment liquid for modification treatment, wherein the modification treatment liquid comprises the following components: 2-5 g/L of 1-ethyl-3- (3-dimethylaminopropyl) -carbodiimide, 2-5 g/L of N-hydroxysuccinimide and 5-10 g/L of tyramine, wherein the pH of the modified treatment liquid is 5.5-6.5.
2. The finishing process of claim 1, wherein the polyester hydrolase is one or a combination of lipase and cutinase.
3. The finishing method according to claim 1, wherein the temperature of the modification treatment is 25 to 40 ℃ and the treatment time is 8 to 12 hours.
4. The finishing method according to claim 3, wherein the finishing treatment is carried out at a treatment temperature of 30 to 40 ℃ for a treatment time of 3 to 6 hours.
5. The finishing process of any one of claims 1 to 4, wherein the vinyl quaternary ammonium salt comprises one or more of dimethyldiallylammonium chloride, (3-acrylamidopropyl) trimethylammonium chloride, methacryloyloxyethyl trimethylammonium chloride, acryloyloxyethyl trimethylammonium chloride, and allyltrimethylammonium chloride.
6. The finishing method according to any one of claims 1 to 4, wherein the wool-like double-faced woolen cloth is a fabric woven by using 240-300 denier polytrimethylene terephthalate fibers as a raw material and adopting a two-over-two-under-twill weave.
7. An antibacterial antistatic PTT fiber wool-like double-faced woolen cloth produced by the processing and finishing method of any one of claims 1 to 6.
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