CN112391744A - Preparation method of scientific cotton - Google Patents
Preparation method of scientific cotton Download PDFInfo
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- CN112391744A CN112391744A CN202011111373.8A CN202011111373A CN112391744A CN 112391744 A CN112391744 A CN 112391744A CN 202011111373 A CN202011111373 A CN 202011111373A CN 112391744 A CN112391744 A CN 112391744A
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- cotton
- substrate
- polybutylene terephthalate
- melt
- fibers
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 59
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 47
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 47
- 239000000835 fiber Substances 0.000 claims abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 235000003301 Ceiba pentandra Nutrition 0.000 claims abstract description 11
- 244000146553 Ceiba pentandra Species 0.000 claims abstract description 11
- 229920000728 polyester Polymers 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 230000007480 spreading Effects 0.000 claims description 18
- 238000009960 carding Methods 0.000 claims description 10
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000337007 Oceania Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/55—Polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/20—Physical properties optical
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a preparation method of scientific and technological cotton, which uses raw materials comprising kapok fiber, 4080 low-melting-point fiber and hollow polyester fiber to prepare a substrate; and the following steps are adopted: s1, heating the substrate to 121-135 ℃, and placing the substrate in a magnetic field; s2, carrying out melt blowing on the modified polybutylene terephthalate to the substrate in the direction parallel to the magnetic field, and then cooling to 60-80 ℃; then laying a new substrate on the substrate after the polybutylene terephthalate is melt-blown and modified, and melt-blowing the polybutylene terephthalate on the new substrate; s3, repeating the step S2 to obtain four layers of substrates, namely the technical cotton, with the modified polybutylene terephthalate melt-blown, wherein the technical cotton overcomes the defects of the prior art, is bright in color, can change color according to the environment, and has good heat preservation effect.
Description
Technical Field
The invention relates to the technical field of technical cotton, and particularly belongs to a preparation method of technical cotton.
Background
The Olympic games in winter are called Olympic games in winter and Olympic games in winter for short. The sport game is mainly held in the world region, is the world-scale maximum winter comprehensive sport meeting, is held one year every four years, and is held alternately with the summer olympic sport meeting in 1994. The participating countries are distributed mainly around the world, including europe, africa, america, asia, oceania. Sponsored by the International Olympic Committee. And calculating the expiration according to the actual times. The holding of the winter Olympic game is carried out in cold seasons to ensure the normal running of various sports in the field, so that the sportsman needs to keep warm, but the existing warm-keeping cotton has the defects of poor warm-keeping effect and high specific gravity, and in order to enhance the warm-keeping effect, the thickness of the warm-keeping cotton is generally thicker, so that the air permeability is influenced, and therefore the warm-keeping cotton with light weight and good warm-keeping effect is needed.
Disclosure of Invention
The invention aims to provide a preparation method of scientific and technological cotton with light weight and good warm-keeping effect, and in order to solve the problems, the technical scheme adopted by the invention is as follows:
a preparation method of scientific and technological cotton comprises preparing a substrate from kapok fiber, 4080 low-melting-point fiber and hollow polyester fiber; and the following steps are adopted:
s1, heating the substrate to 121-135 ℃, and placing the substrate in a magnetic field;
s2, carrying out melt blowing on the modified polybutylene terephthalate to the substrate in the direction parallel to the magnetic field, and then cooling to 60-80 ℃; then laying a new substrate on the substrate after the polybutylene terephthalate is melt-blown and modified, and melt-blowing the polybutylene terephthalate on the new substrate;
s3, repeating the step S2 to obtain four layers of substrates, namely technical cotton, with the modified polybutylene terephthalate being melt-blown.
Further, the preparation method of the substrate comprises the following steps: feeding kapok fibers, 4080 low-melting-point fibers and hollow polyester fibers into a cotton mixer according to the weight ratio of 1:0.1-0.3:0.4-0.6, fully stirring and mixing to form mixed cotton fibers, and then feeding the mixed cotton fibers into a carding machine for carding; and sending the carded mixed cotton fiber into a cotton spreading machine for spreading cotton to obtain a substrate.
Further, the cotton spreading amount of the cotton spreading machine is 6-10g/m2。
Further, the preparation method of the modified polybutylene terephthalate comprises the following steps: the polybutylene terephthalate is heated to 230 ℃, then the ferrous orthophenanthrolene with 3-5% of polybutylene terephthalate by weight is added, and then the modified polybutylene terephthalate is obtained after shearing for 1-1.2h in a high-speed shearing machine.
Further, the magnetic field intensity is 8000-.
Compared with the prior art, the invention has the following implementation effects:
1. according to the invention, the kapok fiber, the 4080 low-melting-point fiber and the hollow polyester fiber are used as raw materials to prepare the base material, so that the strength of the base material is enhanced under the supporting action of the hollow polyester fiber, the fluffy action of the kapok fiber and the welding action of the 4080 low-melting-point fiber, the fluffy structure of the kapok fiber is ensured not to collapse easily, the base material has the advantages of good strength, poor thermal conductivity and high fluffy degree, and the base material has good heat-insulating capability;
2. according to the invention, by using a magnetic field melt-blowing technology, the fluff twigs formed by molten modified polybutylene terephthalate under the action of a magnetic field can be uniformly sprayed onto the substrate and combined on the surface of the substrate under the welding action of 4080 low-melting-point fibers, so that the fluff twigs with the same orientation are formed on the surface of the substrate, the fluffiness of the fluff twigs formed by modified polybutylene terephthalate of unit mass is increased, the heat-insulating effect is improved, and the weight of the unit volume of the technical cotton is reduced;
3. according to the invention, the polybutylene terephthalate is modified by using the phenanthroline ferrous iron, part of ferric iron is generated in the modified polybutylene terephthalate in the high-temperature shearing process, so that the modified polybutylene terephthalate has magnetism, villus twigs formed by the modified polybutylene terephthalate can be directionally sprayed to the surface of a substrate in a magnetic field, and the color of the technical cotton can be changed between light blue and red due to the change of the ferrous iron and the ferric iron in the phenanthroline ferrous iron along with the change of the environment.
4. The technical cotton is bright in color, can change color according to the environment, and is good in warm-keeping effect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Feeding 10kg of kapok fibers, 2kg of 4080 low-melting-point fibers and 5kg of hollow polyester fibers into a cotton mixer, fully stirring and mixing to form mixed cotton fibers, and then feeding the mixed cotton fibers into a carding machine for carding; sending the carded mixed cotton fiber into a cotton spreading machine for spreading cotton, wherein the cotton spreading amount of the cotton spreading machine is 7g/m2And obtaining the substrate.
The polybutylene terephthalate is heated to 230 ℃, then the ferrous phenanthroline with 3 weight percent of polybutylene terephthalate is added, and then the mixture is sheared for 1.2 hours in a high-speed shearing machine, so as to obtain the modified polybutylene terephthalate.
Heating the substrate to 127 ℃, and placing the substrate in a 10000Oe magnetic field to ensure that the substrate is perpendicular to the magnetic field; melt-blowing modified polybutylene terephthalate onto a substrate in a direction parallel to a magnetic field, and then cooling to 70 ℃; then laying a new substrate on the substrate after the polybutylene terephthalate is melt-blown and modified, and melt-blowing the polybutylene terephthalate on the new substrate; repeating the steps to obtain the substrate, namely the technical cotton, with the four layers of overlapped melt-blown modified polybutylene terephthalate.
Example 2
Feeding 10kg of kapok fiber, 3kg of 4080 low-melting-point fiber and 6kg of hollow polyester fiber into a cotton mixer, and fully stirring and crushingMixing to form mixed cotton fibers, and then sending the mixed cotton fibers into a carding machine for carding; sending the carded mixed cotton fiber into a cotton spreading machine for cotton spreading, wherein the cotton spreading amount of the cotton spreading machine is 9g/m2And obtaining the substrate.
The polybutylene terephthalate is heated to 230 ℃, then 5 percent of o-phenanthroline ferrous iron of the polybutylene terephthalate is added, and then the mixture is sheared for 1.2 hours in a high-speed shearing machine, so as to obtain the modified polybutylene terephthalate.
Heating the substrate to 131 ℃, and placing the substrate in a 12000Oe magnetic field to ensure that the substrate is perpendicular to the magnetic field; melt-blowing modified polybutylene terephthalate to a substrate in a direction parallel to a magnetic field, and then cooling to 80 ℃; then laying a new substrate on the substrate after the polybutylene terephthalate is melt-blown and modified, and melt-blowing the polybutylene terephthalate on the new substrate; repeating the steps to obtain the substrate, namely the technical cotton, with the four layers of overlapped melt-blown modified polybutylene terephthalate.
Example 3
Feeding 10kg of kapok fibers, 2kg of 4080 low-melting-point fibers and 4kg of hollow polyester fibers into a cotton mixer, fully stirring and mixing to form mixed cotton fibers, and then feeding the mixed cotton fibers into a carding machine for carding; sending the carded mixed cotton fiber into a cotton spreading machine for spreading cotton, wherein the cotton spreading amount of the cotton spreading machine is 8g/m2And obtaining the substrate.
The polybutylene terephthalate is heated to 230 ℃, then 4 weight percent of o-phenanthroline ferrous iron of the polybutylene terephthalate is added, and then the mixture is sheared for 1 hour in a high-speed shearing machine, so as to obtain the modified polybutylene terephthalate.
Heating the substrate to 124 ℃, and placing the substrate in a 8000Oe magnetic field to ensure that the substrate is perpendicular to the magnetic field; carrying out melt blowing on modified polybutylene terephthalate to a substrate in a direction parallel to a magnetic field, and then cooling to 60 ℃; then laying a new substrate on the substrate after the polybutylene terephthalate is melt-blown and modified, and melt-blowing the polybutylene terephthalate on the new substrate; repeating the steps to obtain the substrate, namely the technical cotton, with the four layers of overlapped melt-blown modified polybutylene terephthalate.
Comparative example 1
The difference from example 1 is that the magnetic field strength is 0 Oe.
Comparative example 2
The difference from example 1 is that the amount of added ferrous phenanthroline is 0.
The technical cotton of examples and comparative examples was tested for warmth retention and air permeability according to the following methods: preheating the technical cotton for 1800 seconds at 40 ℃ to test the heat preservation rate; testing the air permeability of the scientific cotton, wherein the area of the sample is 20cm2Setting the pressure drop of two sides of the sample to be 100 Pa; the results are shown in the following table:
| the heat retention rate% | Air permeability mm/s | Gram weight g/m2 | |
| Example 1 | 86.3 | 435.1 | 108 |
| Example 2 | 88.4 | 463.8 | 112 |
| Example 3 | 85.9 | 457.2 | 109 |
| Comparative example 1 | 78.3 | 283.6 | 143 |
| Comparative example 2 | 74.6 | 296.1 | 137 |
As can be seen from the above table, the technical cotton of the invention has good heat preservation performance, good air permeability and light weight.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A preparation method of scientific and technological cotton is characterized in that a substrate is prepared by using raw materials comprising kapok fibers, 4080 low-melting-point fibers and hollow polyester fibers; and the following steps are adopted:
s1, heating the substrate to 121-135 ℃, and placing the substrate in a magnetic field;
s2, carrying out melt blowing on the modified polybutylene terephthalate to the substrate in the direction parallel to the magnetic field, and then cooling to 60-80 ℃; then laying a new substrate on the substrate after the polybutylene terephthalate is melt-blown and modified, and melt-blowing the polybutylene terephthalate on the new substrate;
s3, repeating the step S2 to obtain four layers of substrates, namely technical cotton, with the modified polybutylene terephthalate being melt-blown.
2. The method for preparing technical cotton according to claim 1, wherein the method for preparing the substrate comprises the following steps: feeding kapok fibers, 4080 low-melting-point fibers and hollow polyester fibers into a cotton mixer according to the weight ratio of 1:0.1-0.3:0.4-0.6, fully stirring and mixing to form mixed cotton fibers, and then feeding the mixed cotton fibers into a carding machine for carding; and sending the carded mixed cotton fiber into a cotton spreading machine for spreading cotton to obtain a substrate.
3. The method for preparing scientific and technological cotton according to claim 2, characterized in that the cotton laying amount of the cotton laying machine is 6-10g/m2。
4. The method for preparing technical cotton according to claim 1, wherein the method for preparing the modified polybutylene terephthalate comprises the following steps: the polybutylene terephthalate is heated to 230 ℃, then the ferrous orthophenanthrolene with 3-5% of polybutylene terephthalate by weight is added, and then the modified polybutylene terephthalate is obtained after shearing for 1-1.2h in a high-speed shearing machine.
5. The method as claimed in claim 1, wherein the magnetic field strength is 8000-12000 Oe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111373.8A CN112391744B (en) | 2020-10-16 | 2020-10-16 | Preparation method of scientific cotton |
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| CN202011111373.8A CN112391744B (en) | 2020-10-16 | 2020-10-16 | Preparation method of scientific cotton |
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| CN112391744B CN112391744B (en) | 2021-08-24 |
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| WO2007024447A1 (en) * | 2005-08-19 | 2007-03-01 | Dow Global Technologies, Inc. | Propylene based meltblown nonwoven layers and composite structures |
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| CN109023817A (en) * | 2018-09-20 | 2018-12-18 | 佛山市高明曦逻科技有限公司 | A kind of non-woven fabrics pattern collection device |
| CN109468750A (en) * | 2018-10-15 | 2019-03-15 | 浙江理工大学 | Prepare the ladder magnetic field device and application method of homogeneous enhancing melt-blown non-woven material |
| CN110565272A (en) * | 2019-08-12 | 2019-12-13 | 南京工业职业技术学院 | Disordered multi-scale fiber membrane preparation device and preparation method |
-
2020
- 2020-10-16 CN CN202011111373.8A patent/CN112391744B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007024447A1 (en) * | 2005-08-19 | 2007-03-01 | Dow Global Technologies, Inc. | Propylene based meltblown nonwoven layers and composite structures |
| CN102182013A (en) * | 2011-05-19 | 2011-09-14 | 南通新绿叶非织造布有限公司 | Production method of warm-proof material for maintaining hollowness of kapok fiber |
| KR20130130271A (en) * | 2012-05-21 | 2013-12-02 | 유정근 | A method for preparing meltblown web comprising aerogel |
| CN105780297A (en) * | 2016-04-05 | 2016-07-20 | 南通大学 | Composite accompanying environment-friendly imitation goose down thermal material and method for producing same |
| CN108505212A (en) * | 2018-03-31 | 2018-09-07 | 郭跃 | A kind of preparation method of imitative goose down shape heat insulating material |
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Address after: No. 198, Rongcheng Avenue, Dongcheng Science Park, Jieshou High tech Zone, Fuyang, Anhui 236500 Patentee after: Jixiang Sanbao High tech New Materials Co.,Ltd. Country or region after: China Address before: 236500 no.708, Renmin East Road, Dongcheng Industrial Park, Jieshou hi tech Industrial Development Zone, Fuyang City, Anhui Province Patentee before: GEELY SAMBO GAOKE TEXTILE CO.,LTD. Country or region before: China |