CN101397757A - Ultra-high molecular weight northylen composite welfless cloth and manufacture method and use - Google Patents
Ultra-high molecular weight northylen composite welfless cloth and manufacture method and use Download PDFInfo
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- CN101397757A CN101397757A CNA2007100467413A CN200710046741A CN101397757A CN 101397757 A CN101397757 A CN 101397757A CN A2007100467413 A CNA2007100467413 A CN A2007100467413A CN 200710046741 A CN200710046741 A CN 200710046741A CN 101397757 A CN101397757 A CN 101397757A
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Abstract
The invention discloses a composite weftless cloth of polyethylene fibre with ultra high molecular weight, which comprises the polyethylene fibre with ultra high molecular weight and an adhesive, wherein, the adhesive is a composite material with the addition of modified nano montmorillonite and the weight percentage of montmorillonite is 0.5 to 10. The invention also provides a production method of the composite weftless cloth and an application thereof, thereby overcoming the defects existing in the prior art to a great extent to obtain composite bulletproof fibre with excellent performance of shock resistance and improve the heat resistance and the shock resistance of the composite weftless cloth.
Description
Technical field
The invention belongs to the nano-textile field, particularly relate to a kind of ultra-high molecular weight polyethylene (UHMWPE) composite welfless cloth and manufacture method and application.
Background technology
Ultra-high molecular weight polyethylene (UHMWPE) fiber is that early 1980s is by the high-performance organic fibre of Dutch DSM N. V. with the gel spinning-super drawing technology development of its original creation.Ultra-high molecular weight polyethylene (UHMWPE) fiber also claims superelevation mode polyethylene (UHMPE) fiber or Zhongchang chain polyethylene (ECPE) fiber, and it is the third generation high-performance fiber after carbon fiber, aramid fiber (Kevlar) fiber.
The relative molecular weight of ultra-high molecular weight polyethylene (UHMWPE) fiber is between 100～6,000,000, and molecular shape is the line style extended-chain configuration, and the degree of orientation is near 100%, intensity be current fiber, have the favorable mechanical performance.Excellent properties such as the shock resistance that the UHMWPE fiber has also that UV resistant radiation, resistance to chemical attack, specific energy absorption height, dielectric constant are low, Electromgnetically-transparent rate height, coefficient of friction are low and outstanding, anti-cutting.Therefore, the UHMWPE fiber is an ideal material of making soft ballistic protective clothing, anti-stab clothing, lightweight bulletproof helmet, radome, armoured van bulletproof armour, helicopter bulletproof armour, naval vessels and foreign-going ship hawser, lightweight high-pressure bottle, space flight and aviation structural member, deep-sea wind wave-resisting net casing, fishing net, racing boat, sailing boat, ski etc.Because UHMWPE fibre property excellence, application potential is huge, and therefore, the UHMWPE fiber is just extremely paid attention to from coming out, and develops very fast.
The research of nano material comes from the research of 1860s to colloidal particles at first.Nano material has peculiar performance and wide application prospect, is described as cross-centennial new material, has caused the very big concern of scientific circles and business circles.The finder of nano material is famous U.S. physicist, twice Nobel laureate RichardFeynmen, he once foretold in the sixties in last century: if we can control the ordering on the small scale of object, will obtain the material much have property.
The property of nano material is because the ultra-micro powder of the particle size＜100nm of the special construction-material of nano material, its specific area is very big, the atom number ratio at crystal boundary place is up to 15～50, make it to produce four big effects, be small-size effect, quantum effect (containing macro quanta tunnel effect), skin effect and interfacial effect, thereby have the not available physics of traditional material, chemical property.
Imvite is a kind of particulate clay mineral, be bentonitic active ingredient, it is the cationic stratified material of a kind of 2:1 type three-decker, its unit cell is made up of two layers of silicon-oxy tetrahedron therebetween layer of aluminum oxygen octahedra, link to each other its structure cell parallel stacked by shared oxygen atom between tetrahedron and the octahedron.Its special crystal structure has been given the imvite numerous characteristics, for example: dilatancy, adsorptivity, ion exchangeable, dispersiveness, suspension and caking property etc.Because it has unique crystal layer overlay structure, can be dispersed in the polymer by processing, form nano composite polymer-montmorillonoid material, all more conventional organic/inorganic composite materials such as the mechanics of this composite, calorifics, optics, electromagnetism and gas barrier property are significantly improved.The low-density of the rigidity of inorganic matter, DIMENSIONAL STABILITY and heat endurance and polymer, high strength, high tenacity, corrosion-resistant and favorable mechanical processability and dielectric properties are perfect combines, the light transmission, water proofing property of this class new material, heat-resisting and ageing resistance, barrier properties for gases, wear-resisting and impact, machining property etc. are greatly improved, thereby have obtained the excellent comprehensive performance.
Ultra-high molecular weight polyethylene (UHMWPE) composite welfless cloth be by the UHMWPE fiber by even, parallel, straight and upright arrangement after, it is carried out making after gluing, the drying, to this, U.S. Pat 4,916,000 and US5,149,391 have described this process.Wherein the adhesive of gluing generally comprises polyethylene, crosslinked polyethylene, polypropylene, ethylenic copolymer, propylene copolymer, ethene-propylene copolymer and other olefin polymers and copolymer, the resin that also has unsaturated polyester (UP), polybutadiene, polyisoprene, natural rubber, epoxy resin, poly-imines or the like many low modulus, in addition, also have EVA, EEA, SBS, SIS, TPR, SEBS etc. and fourth sodium glue, these thermoplasticity high-ductility glues of butadiene-styrene rubber PVB, PVA or the like.The elastomer of these low modulus is coated on each root fiber, except fixing as the fiber that strengthens body, can also improve shellproof, the anti-stab performance of shock resistance of composite.To this, U.S. Pat 4,403,012 in those early years has report, and nearly 2 years U.S. Pat 6,825,137 and Chinese patent CN1278566 also have report.
Yet the compound no latitude cloth of prior art for preparing, because its shortcoming as the adhesive self of matrix, make the combination property of compound no latitude cloth be affected, be embodied in poor heat resistance, comprehensive mechanical intensity is also relatively poor, and creep is serious, by its UHMWPE composite welfless cloth of making, the impulsive force of " passivation " bullet can only reach bulletproof effect by increasing the no latitude cloth number of plies, but can cause the general soldier of increase, the load the when police uses again so effectively.Therefore, how to change the heat resistance of UHMWPE composite welfless cloth, make it have higher impact resistance, effectively the impulsive force of " passivation " bullet has become shellproof inexorable trend of protecting product research.
Therefore, for overcoming these problems that exist in the prior art, purpose of the present invention at first provides a kind of ultra-high molecular weight polyethylene (UHMWPE) composite welfless cloth, improves the heat resistance and the impact resistance of compound no latitude cloth greatly.
Second purpose of the present invention provides the manufacture method of above-mentioned compound no latitude cloth.
The 3rd purpose of the present invention provides the application of above-mentioned compound no latitude cloth.
Summary of the invention
For realizing purpose of the present invention, technical scheme of the present invention is as follows:
The invention provides a kind of super-high molecular weight polyethylene fibre composite non woven cloth, its composition comprises superhigh molecular weight polyethylene fibers and adhesive, wherein: described adhesive is for adding the composite of modified Nano imvite, and described imvite shared percentage by weight in composite is 0.5～10.The interpolation of imvite makes molecule with the form mass motion of fritter, except reducing macromolecular creep, also makes the ability of resistance become bigger.In addition, add imvite and can also improve heat resistance.
According to super-high molecular weight polyethylene fibre composite non woven cloth of the present invention, wherein be that described adhesive is a solvent-based adhesive preferably.
According to super-high molecular weight polyethylene fibre composite non woven cloth of the present invention, wherein be that described adhesive is a mixed solvent type adhesive better.
According to super-high molecular weight polyethylene fibre composite non woven cloth of the present invention, wherein be preferably, described mixed solvent type adhesive comprises the mixed solvent type adhesive of polystyrene triblock copolymer body or hydrogenated polystyrene triblock copolymer body, comparatively ideally is: KRATON D-1107, KRATON D-1161 or KRATONG-1650 etc.
According to super-high molecular weight polyethylene fibre composite non woven cloth of the present invention, wherein be that described solvent is the solvent of solubility parameter 8.0～8.5 preferably.Different solvents is slightly variant to the soft or hard section dissolving of block copolymer, and the solvent of solvent polymerization body is good with mixed solvent.
According to super-high molecular weight polyethylene fibre composite non woven cloth of the present invention, wherein be that described adhesive and solvent weight percent are 10～40:90～60 preferably.
According to super-high molecular weight polyethylene fibre composite non woven cloth of the present invention, wherein be that described mixed solvent weight ratio is an alkane: ethers: ester class=3～10:0.1～0.5:1 preferably.
According to super-high molecular weight polyethylene fibre composite non woven cloth of the present invention, wherein be that described alkane comprises preferably: the sixth of the twelve Earthly Branches alkane, ring the sixth of the twelve Earthly Branches alkane, chlorination ring alkane in the sixth of the twelve Earthly Branches etc.; Ethers comprises: diethyl ether, methyl-isobutyl ether etc.; The ester class comprises: ethyl acetate etc.
According to super-high molecular weight polyethylene fibre composite non woven cloth of the present invention, wherein be that described imvite is a sodium-based montmorillonite preferably.
The present invention also provides the manufacture method of compound no latitude cloth recited above, comprise the sprawling of fiber, gluing and drying, wherein: the adhesive that uses in the gluing is for adding the composite of modified Nano imvite, and wherein the shared percentage by weight of imvite is 0.5～10.
Preparation method according to compound no latitude cloth of the present invention, wherein be preferably, described composite is that the modified Nano imvite is mixed with adhesive, after 1～2 hour, vacuum defoamation is promptly 60～80 ℃ of stirrings.
Preparation method according to compound no latitude cloth of the present invention wherein is that sodium-based montmorillonite is selected in described imvite for use preferably.
The present invention also provides compound no latitude cloth recited above in the shellproof application of protecting the product field.
The UHMWPE composite welfless cloth is composited by UHMWPE fiber and adhesive, in order to improve the shellproof drag of material better, improve the heat resistance of UHMWPE fiber, the present invention adds nano imvite in the adhesive that compound no latitude measuring fiber is used, not only improved the mechanical performance of host material adhesive, also changed simultaneously the heat endurance of material, improved the heat resistance of UHMWPE composite welfless cloth, make its serviceability temperature improve 10 ℃, obtain the anti-good bulletproof composite fiber of shock resistance, make its impact resistance improve about 20%.Therefore, compound no latitude cloth of the present invention can be widely used in the shellproof preparations of protecting product such as shock resistance is shellproof, anti-stab performance.
The present invention has following beneficial effect:
The present invention adds nano imvite in the adhesive that compound no latitude measuring fiber is used, not only improved the mechanical performance of host material adhesive, has also changed the heat endurance of material simultaneously, has improved the heat resistance of UHMWPE composite welfless cloth.
Evidence, UHMWPE composite welfless cloth of the present invention can overcome the defective that prior art exists to a great extent, obtain the anti-good bulletproof composite fiber of shock resistance.Because nano imvite has a lot of premium properties, it has good heat resistance, intensity and creep resistance, can reach the heat resistance and the creep resistance that improve the UHMWPE fiber, thus the effective impulsive force of passivation bullet.
The specific embodiment
With reference to the accompanying drawings, be described more specifically the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
Take by weighing the 2g silane coupler and be dissolved in the 50ml toluene, stir the glacial acetic acid that drips equivalent down, make the glacial acetic acid solution of water white silane coupler.With the 10g imvite, the glacial acetic acid solution of a certain amount of silane coupler (active ingredient is equivalent to 10g and covers 1.1 times that hold in the palm native cation exchange total amount) adds in the four-hole boiling flask that fills 150ml toluene successively, is warmed up to 80 ℃, refluxes and stirs 8h.Reaction finishes the back filters, and with ethanol washing three times, 40 ℃ of oven dry are ground, and obtains the imvite after coupling agent modified.
With the imvite after a certain amount of modification and adhesive by weight percentage 1:20 mix, stir 1～2h, vacuum defoamation at 60～80 ℃.To strengthen body UHMWPE fiber wound in parallel on up-coiler, afterwards gluing on the UHMWPE fiber (or with in UHMWPE fiber immersion adhesive).The gluing number of times is 1～2 time, notices that gluing will be evenly.The adhesive that present embodiment adopts is KRATON G-1650, be dissolved in mixed solvent (hexane: diethyl ether: ethyl acetate=5:0.5:1 by weight 15%, add antioxidant again), even behind the gluing with the spreading knife gluing, place 60 ℃ of oven dry of baking oven, solidify, oven temperature is 60 ± 3 ℃, is about 20min drying time.It is compound that the composite of above-mentioned gained is carried out quadrature.They can be two layers staggered, also can be four layers staggered, resulting product structure is corresponding to be [0 °/90 °] or [0 °/90 °]
2(incorporation of imvite is 5.1g/m
2No latitude cloth)
Bulletproof effect: with 40 layers, 450mm * 450mm AD=160g/m
2It is on the target holder of clay that the neat stack of UD material places backing, adopts 54 formula 7.62mm pistols, 54 formula balls (lead for retractable pencil bullet), presses the GA141-2001 test standard, records V
50〉=520m/s.
Embodiment 2
Difference from Example 1 has: the imvite after the modification and adhesive 1:10 by weight percentage mix, and the incorporation of imvite is 2.9g/m
2No latitude cloth.
Other operations are identical with embodiment 1.
Bulletproof effect: with 40 layers, 450mm * 450mm AD=160g/m
2It is on the target holder of clay that the neat stack of UD material places backing, adopts 54 formula 7.62mm pistols, 54 formula balls (lead for retractable pencil bullet), presses the GA141-2001 test standard, records V
50〉=561m/s.
Embodiment 3
Taking by weighing 5g receives base montmorillonite and is scattered in the 500ml deionized water, with a certain amount of intercalator: hexadecyltrimethylammonium chloride adds wherein and stirs, water-bath heating certain hour, to obtaining the organo montmorillonite flocculent deposit, with deionized water fully wash, suction filtration, 90 ℃ of following dry 48h ground 300 mesh sieves, the imvite after the intercalator modification.
With the imvite after a certain amount of modification and adhesive by weight percentage 1:20 mix, stir 1～2h, vacuum defoamation at 60～80 ℃.To strengthen body UHMWPE fiber wound in parallel on up-coiler, afterwards gluing on the UHMWPE fiber (or with in UHMWPE fiber immersion adhesive).The gluing number of times is 1～2 time, notices that gluing will be evenly.The adhesive that present embodiment adopts is KRATON G-1650, be dissolved in mixed solvent (hexane: diethyl ether: ethyl acetate=5:0.5:1 by weight 15%, add antioxidant again), even behind the gluing with the spreading knife gluing, place 60 ℃ of oven dry of baking oven, solidify, oven temperature is 60 ± 3 ℃, is about 20min drying time.It is compound that the composite of above-mentioned gained is carried out quadrature.They can be two layers staggered, also can be four layers staggered, resulting product structure is corresponding to be [0 °/90 °] or [0 °/90 °]
2(incorporation of imvite is 5.1g/m
2No latitude cloth)
Bulletproof effect: with 40 layers, 450mm * 450mm AD=160g/m
2It is on the target holder of clay that the neat stack of UD material places backing, adopts 54 formula 7.62mm pistols, 54 formula balls (lead for retractable pencil bullet), presses the GA141-2001 test standard, records V
50〉=545m/s.
Embodiment 4
Difference from Example 3 has: the imvite after the modification and adhesive 1:10 by weight percentage mix, and the incorporation of imvite is 2.9g/m
2No latitude cloth.
Other operations are identical with embodiment 3.
Bulletproof effect: with 40 layers, 450mm * 450mm AD=160g/m
2It is on the target holder of clay that the neat stack of UD material places backing, adopts 54 formula 7.62mm pistols, 54 formula balls (lead for retractable pencil bullet), presses the GA141-2001 test standard, records V
50〉=550m/s.
Comparative example
Except not adding the modified montmorillonoid, other operations are identical with embodiment 1.
Bulletproof effect: with 40 layers, 450mm * 450mm AD=160g/m
2It is on the target holder of clay that the neat stack of UD material places backing, adopts 54 formula 7.62mm pistols, 54 formula balls (lead for retractable pencil bullet), presses the GA141-2001 test standard, records V
50〉=520m/s.
By the above embodiments and comparative example as can be seen, the present invention obtains the anti-good bulletproof composite fiber of shock resistance, and its impact resistance improves about 20%.
Claims (10)
1, a kind of super-high molecular weight polyethylene fibre composite non woven cloth, its composition comprises superhigh molecular weight polyethylene fibers and adhesive, it is characterized in that: described adhesive is for adding the composite of modified Nano imvite, and wherein the shared percentage by weight of imvite is 0.5～10.
2, super-high molecular weight polyethylene fibre composite non woven cloth as claimed in claim 1 is characterized in that, described adhesive is solvent-based adhesive or mixed solvent type adhesive, and described solvent is the solvent of solubility parameter 8.0～8.5.
3, super-high molecular weight polyethylene fibre composite non woven cloth as claimed in claim 2 is characterized in that, described mixed solvent type adhesive comprises the mixed solvent type adhesive of polystyrene triblock copolymer body or hydrogenated polystyrene triblock copolymer body.
As claim 2 or 3 described super-high molecular weight polyethylene fibre composite non woven cloths, it is characterized in that 4, described adhesive and solvent weight percent are 10～40:90～60.
5, super-high molecular weight polyethylene fibre composite non woven cloth as claimed in claim 2 is characterized in that, described mixed solvent weight ratio is an alkane: ethers: ester class=3～10:0.1～0.5:1.
6, super-high molecular weight polyethylene fibre composite non woven cloth as claimed in claim 5 is characterized in that, described alkane comprises alkane in the sixth of the twelve Earthly Branches, ring alkane in the sixth of the twelve Earthly Branches, chlorination ring alkane in the sixth of the twelve Earthly Branches; Ethers comprises diethyl ether, methyl-isobutyl ether; The ester class comprises ethyl acetate.
7, the manufacture method of the described compound no latitude cloth of claim 1, comprise the sprawling of fiber, gluing and drying, it is characterized in that: the adhesive that uses in the gluing is for adding the composite of modified Nano imvite, and wherein the shared percentage by weight of imvite is 0.5～10.
8, the manufacture method of compound no latitude cloth as claimed in claim 7 is characterized in that, described composite is that the modified Nano imvite is mixed with adhesive, and after 1～2 hour, vacuum defoamation promptly 60～80 ℃ of stirrings.
9, as claim 1 or 7 described compound no latitude cloth, it is characterized in that sodium-based montmorillonite is selected in described imvite for use.
10, aforesaid right requires any one described compound no latitude cloth of 1-9 in the shellproof application of protecting the product field.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100467413A CN101397757A (en) | 2007-09-30 | 2007-09-30 | Ultra-high molecular weight northylen composite welfless cloth and manufacture method and use |
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| CNA2007100467413A CN101397757A (en) | 2007-09-30 | 2007-09-30 | Ultra-high molecular weight northylen composite welfless cloth and manufacture method and use |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722698A (en) * | 2009-11-26 | 2010-06-09 | 宁波大成新材料股份有限公司 | Process for preparing ultra-strong polythene weft-less cloth with high-performance inorganic nanometer materials |
| CN102190995A (en) * | 2010-03-02 | 2011-09-21 | 湖南中泰特种装备有限责任公司 | Nano-modified thermoplastic adhesive used for preparing polyethylene nonwoven cloth |
| CN102400284A (en) * | 2010-09-14 | 2012-04-04 | 上海斯瑞聚合体科技有限公司 | Method for manufacturing irradiated ultra-high molecular weight polyethylene fiber composite weftless fabric material |
| CN102435102A (en) * | 2010-09-29 | 2012-05-02 | 宁波荣溢化纤科技有限公司 | Bullet-proof and stab-resistant clothes and preparation method thereof |
| CN102435103A (en) * | 2010-09-29 | 2012-05-02 | 宁波荣溢化纤科技有限公司 | Bullet-proof and stab-resistant clothes and preparation method thereof |
| CN102435104A (en) * | 2010-09-29 | 2012-05-02 | 宁波荣溢化纤科技有限公司 | Bulletproof stab-resistant garment and preparation method thereof |
| CN103015041A (en) * | 2013-01-14 | 2013-04-03 | 江苏领瑞新材料科技有限公司 | Preparation method of white carbon black enhanced UHMWPE (ultrahigh molecular weight polyethylene) fiber composite non-weft fabric |
| CN103868411A (en) * | 2014-03-25 | 2014-06-18 | 北京同益中特种纤维技术开发有限公司 | Bulletproof helmet and manufacturing method thereof |
| CN105820410A (en) * | 2016-04-16 | 2016-08-03 | 巢湖市强力渔业有限责任公司 | Fishing net used for catching chubs |
| CN108559116A (en) * | 2018-06-29 | 2018-09-21 | 湖北鼎中新材料有限公司 | A kind of ultra-high molecular weight polyethylene UD laminated cloths and its photocuring preparation method |
| CN111825812A (en) * | 2020-07-03 | 2020-10-27 | 浙江千禧龙纤特种纤维股份有限公司 | Preparation method of aqueous glue for ultrahigh-modulus polyethylene fibers |
| CN112064356A (en) * | 2020-09-10 | 2020-12-11 | 安徽瑜合警用装备有限公司 | High-performance body armor next-to-skin layer composite material, preparation method and application thereof |
| CN112876797A (en) * | 2021-01-18 | 2021-06-01 | 上海仪耐新材料科技有限公司 | Bulletproof radome and manufacturing method thereof |
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2007
- 2007-09-30 CN CNA2007100467413A patent/CN101397757A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101722698B (en) * | 2009-11-26 | 2013-03-13 | 宁波大成新材料股份有限公司 | Process for preparing ultra-strong polythene weft-less cloth with high-performance inorganic nanometer materials |
| CN101722698A (en) * | 2009-11-26 | 2010-06-09 | 宁波大成新材料股份有限公司 | Process for preparing ultra-strong polythene weft-less cloth with high-performance inorganic nanometer materials |
| CN102190995A (en) * | 2010-03-02 | 2011-09-21 | 湖南中泰特种装备有限责任公司 | Nano-modified thermoplastic adhesive used for preparing polyethylene nonwoven cloth |
| CN102400284A (en) * | 2010-09-14 | 2012-04-04 | 上海斯瑞聚合体科技有限公司 | Method for manufacturing irradiated ultra-high molecular weight polyethylene fiber composite weftless fabric material |
| CN102435104B (en) * | 2010-09-29 | 2014-11-19 | 宁波荣溢化纤科技有限公司 | Bulletproof and stab-resistant armor and preparation method thereof |
| CN102435102A (en) * | 2010-09-29 | 2012-05-02 | 宁波荣溢化纤科技有限公司 | Bullet-proof and stab-resistant clothes and preparation method thereof |
| CN102435103A (en) * | 2010-09-29 | 2012-05-02 | 宁波荣溢化纤科技有限公司 | Bullet-proof and stab-resistant clothes and preparation method thereof |
| CN102435104A (en) * | 2010-09-29 | 2012-05-02 | 宁波荣溢化纤科技有限公司 | Bulletproof stab-resistant garment and preparation method thereof |
| CN102435103B (en) * | 2010-09-29 | 2014-11-19 | 宁波荣溢化纤科技有限公司 | Bullet-proof and stab-resistant clothes and preparation method thereof |
| CN102435102B (en) * | 2010-09-29 | 2014-11-19 | 宁波荣溢化纤科技有限公司 | Bullet-proof and stab-resistant clothes and preparation method thereof |
| CN103015041A (en) * | 2013-01-14 | 2013-04-03 | 江苏领瑞新材料科技有限公司 | Preparation method of white carbon black enhanced UHMWPE (ultrahigh molecular weight polyethylene) fiber composite non-weft fabric |
| CN103868411A (en) * | 2014-03-25 | 2014-06-18 | 北京同益中特种纤维技术开发有限公司 | Bulletproof helmet and manufacturing method thereof |
| CN103868411B (en) * | 2014-03-25 | 2017-08-29 | 北京同益中特种纤维技术开发有限公司 | A kind of bulletproof halmet and its manufacture method |
| CN105820410A (en) * | 2016-04-16 | 2016-08-03 | 巢湖市强力渔业有限责任公司 | Fishing net used for catching chubs |
| CN108559116A (en) * | 2018-06-29 | 2018-09-21 | 湖北鼎中新材料有限公司 | A kind of ultra-high molecular weight polyethylene UD laminated cloths and its photocuring preparation method |
| CN111825812A (en) * | 2020-07-03 | 2020-10-27 | 浙江千禧龙纤特种纤维股份有限公司 | Preparation method of aqueous glue for ultrahigh-modulus polyethylene fibers |
| CN112064356A (en) * | 2020-09-10 | 2020-12-11 | 安徽瑜合警用装备有限公司 | High-performance body armor next-to-skin layer composite material, preparation method and application thereof |
| CN112064356B (en) * | 2020-09-10 | 2023-02-24 | 安徽瑜合警用装备有限公司 | High-performance body armor next-to-skin layer composite material, preparation method and application thereof |
| CN112876797A (en) * | 2021-01-18 | 2021-06-01 | 上海仪耐新材料科技有限公司 | Bulletproof radome and manufacturing method thereof |
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