CN110685087A - Coating film-forming glass fiber yarn and preparation method and application thereof - Google Patents
Coating film-forming glass fiber yarn and preparation method and application thereof Download PDFInfo
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- CN110685087A CN110685087A CN201911155045.5A CN201911155045A CN110685087A CN 110685087 A CN110685087 A CN 110685087A CN 201911155045 A CN201911155045 A CN 201911155045A CN 110685087 A CN110685087 A CN 110685087A
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 183
- 238000000576 coating method Methods 0.000 title claims abstract description 63
- 239000011248 coating agent Substances 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000004753 textile Substances 0.000 claims abstract description 37
- 239000002131 composite material Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000004800 polyvinyl chloride Substances 0.000 claims description 25
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 25
- 239000003513 alkali Substances 0.000 claims description 14
- 239000004814 polyurethane Substances 0.000 claims description 14
- 229920002635 polyurethane Polymers 0.000 claims description 14
- 239000012792 core layer Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 238000004513 sizing Methods 0.000 claims 2
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000000643 oven drying Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 19
- 238000009941 weaving Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 13
- 239000004677 Nylon Substances 0.000 description 12
- 229920001778 nylon Polymers 0.000 description 12
- 239000011527 polyurethane coating Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 4
- 238000009940 knitting Methods 0.000 description 4
- 239000011344 liquid material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000011162 core material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920002334 Spandex Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 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
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 229920006253 high performance fiber Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004759 spandex Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009965 tatting Methods 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/28—Macromolecular compounds or prepolymers obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/30—Polyolefins
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/323—Polyesters, e.g. alkyd resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a coating film-forming glass fiber yarn and a preparation method and application thereof. During preparation, the glass fiber yarn is tensioned and unwound, then passes through a liquid tank containing a film forming liquid, a protective film is formed on the surface of the unwound glass fiber yarn, and then the glass fiber yarn is dried by a high-temperature oven to prepare the glass fiber yarn. The coating film-forming glass fiber yarn and common textile fiber are compounded to obtain the composite yarn. The coated film-forming glass fiber yarn or the composite yarn thereof can be used for preparing protective textiles. The coating film-forming glass fiber yarn disclosed by the invention has good toughness and high strength, and can not directly rub glass fibers in the use process, and small splinters of the glass fibers can not be separated and contacted with skin. And the preparation method has high efficiency and low cost. The composite yarn or protective textile prepared by the coating film-forming glass fiber has good softness, weaving property and comfort and strong cutting resistance.
Description
Technical Field
The invention relates to a fiber material, in particular to a coating film-forming glass fiber yarn, a preparation method thereof and application thereof in the field of individual protection textiles.
Background
With the continuous development of society and science and technology, various special application occasions need to be faced in the application of individual protective textiles, and the application occasions can put forward various special requirements on the textiles, such as special requirements on high temperature resistance, high strength, high modulus, cutting resistance and the like. To meet this particular requirement, high performance fiber materials are required.
At present, the high-performance fiber materials used are:
firstly, high-strength aramid fiber 1414 or high-strength high-modulus polyethylene fiber is adopted as a core material and is compounded with other fibers. However, when the high-strength aramid fiber 1414 and the high-strength high-modulus polyethylene fiber are used as individual protective textiles, the fiber materials are expensive, so that the product price is too high, the market popularization difficulty of the individual protective textiles is high, and the individual protective textiles are difficult to popularize.
And secondly, adopting steel wires as core materials to be compounded with other fibers. The individual protective textile made of the material has high strength, but has hard hand feeling and poor comfort.
And thirdly, glass fiber yarns are adopted as core materials and are compounded with other fibers. The glass fiber yarn has the characteristics of high strength and high modulus, is low in price, greatly improves the comfort degree relative to steel wire products, and is an excellent choice for cost performance in the current market.
However, in the process of implementing the technical solution of the invention in the embodiments of the present application, the inventors of the present application find that the above-mentioned technology has at least the following technical problems:
the glass fiber yarn has the characteristics of fragility and easy breakage, and due to the defects of low crack structure, low hooking strength, no wear resistance and the like of the glass fiber yarn material, when the glass fiber yarn is used for individual protective textiles such as gloves, the gloves can have small broken glass fibers with crack structures or broken glass fiber fragments after being used, so that the broken glass fibers can be adhered to the skin of a human body. Meanwhile, after the glass fiber yarn is broken, the strength is reduced, and the cutting resistance of the individual protective textile is greatly influenced.
Disclosure of Invention
The embodiment of the application provides a coating film-forming glass fiber yarn, the technical problems that in the prior art, a small cracked glass fiber or a cracked glass fiber segment of a crack structure can be contacted with skin after the glass fiber yarn is used, meanwhile, the glass fiber yarn is broken and then is reduced in strength, and the cutting resistance is reduced are solved, the glass fiber yarn can not be directly rubbed in the use process, the small cracked glass segment of the glass fiber can not be cracked and contacted with the skin, and the cutting resistance of the yarn and individual protective textiles thereof is guaranteed.
The embodiment of the application provides a coating film-forming glass fiber yarn, comprises glass fiber yarn sandwich layer and soft wear-resisting film-forming coating after the backing-off, the film-forming coating covers completely the surface of glass fiber yarn sandwich layer after the backing-off.
Preferably, the unwound glass fiber yarn core layer is an unwound medium alkali glass fiber yarn core layer or an unwound alkali-free glass fiber yarn core layer.
Preferably, the film-forming coating is a coating prepared by mixing one or more of elastic polyurethane, polyvinyl chloride, low-melting-point polyterephthalic acid plastic, polyvinyl alcohol slurry and starch slurry.
More preferably, the low-melting-point polyterephthalic plastic is a polyterephthalic plastic with a melting point lower than 180 ℃.
The invention also provides a preparation method of the film-forming glass fiber yarn of the coating, which is characterized by comprising the following steps:
(a) tensioning the glass fiber yarn under the action of tension, and then unwinding;
(b) placing the film forming liquid in a liquid groove;
(c) enabling the unwound glass fiber yarn to pass through a liquid tank containing a film forming liquid, and forming a film forming coating on the surface of the unwound glass fiber yarn;
(d) and taking the coated glass fiber yarn out of the liquid tank, and drying the glass fiber yarn by an oven to obtain the coated film-forming glass fiber yarn.
Preferably, the method also comprises a step (e) of doffing the prepared coated film-forming glass fiber yarn into a roll.
Preferably, the drying time of the oven in the step (d) is 2-120 s. The invention also provides a composite yarn which is characterized in that the composite yarn is formed by compounding and processing the coating film-forming glass fiber yarn and textile fibers through a cladding or twisting process.
Preferably, the textile fibers are staple yarns or filament yarns.
The invention also provides a protective textile prepared from the coating film-forming glass fiber yarn or the composite yarn through a knitting or tatting process.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
(1) the soft and cutting-resistant film-forming coating is coated on the outer layer of the glass fiber yarn, so that the defects of fragility and easy breakage of the glass fiber yarn are overcome, small broken glass fibers are not easy to generate and can not contact the outside, and the prepared film-forming glass fiber yarn with the coating has greatly improved toughness and strength compared with common glass fiber yarn;
(2) the glass fiber yarn is unwound before being coated, so that the film-forming coating can be completely coated outside the glass fiber yarn in the coating process, and the prepared film-forming glass fiber yarn is wear-resistant and durable;
(3) by adopting a film forming coating technology, the unwound glass fiber yarn can be taken out immediately after passing through a liquid tank containing film forming liquid, the process time is short, and the efficiency is high;
(4) the composite yarn is prepared by compounding the coating film-forming glass fiber yarn and common textile fibers, so that the protection of a film material can be improved, and meanwhile, the obtained composite yarn has better softness, weaving property and comfort;
(5) the coated film-forming glass fiber yarn or the composite yarn thereof is used for preparing individual protective textiles, the obtained textiles can not directly rub the glass fiber in the using process, small splinters of the glass fiber can not be separated and cracked to contact with skin, and the textile is high in comfort, good in safety and strong in cutting resistance.
Drawings
Fig. 1 is a schematic structural view of a coated film-forming glass fiber yarn provided in the first embodiment of the present application.
Detailed Description
The embodiment of the application provides a coating film-forming glass fiber yarn, the technical problems that in the prior art, a small cracked glass fiber or a cracked glass fiber segment of a crack structure can be contacted with skin after the glass fiber yarn is used, meanwhile, the glass fiber yarn is broken and then is reduced in strength, and the cutting resistance is reduced are solved, the glass fiber yarn can not be directly rubbed in the use process, the small cracked glass segment of the glass fiber can not be cracked and contacted with the skin, and the cutting resistance of the yarn and individual protective textiles thereof is guaranteed.
In order to solve the problem of crosstalk, the technical scheme in the embodiment of the present application has the following general idea:
in order to make up the defects of fragility and easy breakage of the glass fiber yarns, a glass fiber yarn film-forming coating technology is adopted, and substances are coated on the outer layers of the glass fiber yarns. The substances are soft, and the outer surface of the glass fiber yarn is completely coated, so that small broken glass fibers are not easy to generate and can not contact the outside, and the toughness and the strength of the glass fiber yarn are improved.
The glass fiber yarn adopts medium-alkali glass fiber yarn or alkali-free glass fiber yarn. Medium alkali glass fiber yarn means glass fiber yarn with alkali metal oxide content between 11.9% and 16.4%. Alkali-free glass fiber yarn means glass fiber yarn having an alkali metal oxide content of less than 0.8%. The yarn fineness of the glass fiber yarn is more than 50D.
The film-forming coating is made of a film-forming material which can form a film, is soft and has certain wear resistance, and comprises but is not limited to elastic polyurethane, PVC (polyvinyl chloride), low-melting-point PET (poly terephthalic acid plastic with the melting point lower than 180 ℃), pva (polyvinyl alcohol) slurry, starch slurry and the like, wherein one of the film-forming materials can be adopted, and a mixture of several of the film-forming materials can also be adopted.
Tensioning the glass fiber yarn under the action of tension, and then unwinding; enabling the unwound glass fiber yarn to pass through a liquid tank containing a film forming liquid, and forming a protective film on the surface of the unwound glass fiber yarn; then quickly taking out the mixture from the liquid tank, and quickly shaping and drying the mixture at the temperature of over 100 ℃ by a high-temperature oven; and finally, doffing and coiling to obtain a glass fiber yarn product with a film formed by the coating.
Because the glass fiber yarns are unwound in advance, the prepared coating film-forming glass fiber yarns are completely coated with the film-forming coating outside the glass fiber yarns, and the glass fiber yarns are wear-resistant and durable. The coated film-forming glass fiber yarn can be directly used for textile processing production.
In order to further improve the protection of the film material and increase the comfort, the prepared coating film-forming glass fiber yarn and common textile fibers, such as short fiber yarn, filament yarn or elastic fiber, can be subjected to composite processing through a cladding or twisting process to obtain the composite yarn. Therefore, on one hand, the protection of the membrane material can be improved, and on the other hand, the flexibility, the weavability and the comfort of the composite yarn are also improved.
The coating film-forming glass fiber yarn or the composite yarn thereof can be made into individual protective textiles with high cost performance, comfort and cutting resistance through the common knitting or tatting weaving process. The individual protective textile does not directly rub glass fibers in the using process, small splinters of the glass fibers are not separated and cracked to contact with skin, the comfort and the safety of the individual protective textile are improved, and the cutting resistance of the individual protective textile is also improved.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example one
Fig. 1 is a schematic structural diagram of the coated film-forming glass fiber yarn provided in this embodiment, the coated film-forming glass fiber yarn is composed of an unwound alkali glass fiber yarn core layer 1 and a PVC film-forming coating layer 2, and the PVC film-forming coating layer 2 completely covers the outer surface of the unwound alkali glass fiber yarn core layer 1.
The preparation method of the coating film-forming glass fiber yarn comprises the following steps:
(a) tensioning the medium-alkali glass fiber yarn under the action of tension by adopting a medium-alkali glass fiber yarn of 70TEX, and then backing off;
(b) placing the diluted PVC liquid material in a liquid tank;
(c) enabling the unwound medium-alkali glass fiber yarn to pass through a liquid tank containing a PVC liquid material, and forming a PVC film-forming coating on the surface of the unwound medium-alkali glass fiber yarn;
(d) quickly taking out the coated medium-alkali glass fiber yarn from the liquid tank, drying the medium-alkali glass fiber yarn at the temperature of 240 ℃ through a high-temperature oven, and drying the medium-alkali glass fiber yarn after 2 seconds to obtain the PVC coating film-forming glass fiber yarn;
(e) and (4) winding the prepared PVC coating film-forming glass fiber yarn into a roll.
In the prepared PVC coating film-forming glass fiber yarn, the PVC material accounts for 20 percent, and the medium-alkali glass fiber yarn accounts for 80 percent.
The prepared PVC coating film-forming glass fiber yarn is compounded with nylon filament to prepare the composite yarn, and the specific method comprises the following steps: and (3) processing by adopting a covering machine, and forming the 100D nylon filament yarns into the film-forming glass fiber yarns by double-covering 70TEXPVC coating with the twist of 400 to obtain the PVC coating film-forming glass fiber yarns and nylon filament composite yarns.
The cutting-resistant gloves are prepared by using the prepared PVC coating film-forming glass fiber yarn and nylon filament composite yarn, and the specific method comprises the following steps:
weaving by using a glove machine; the lining yarn is as follows: a 400D high performance polyethylene HPPE single-covered 140D spandex with a twist of 320; the outer yarn is: the PVC coating film-forming glass fiber yarn and nylon filament composite yarn prepared by the method; the inner yarn and the outer yarn are woven through the glove to form the cutting-proof glove with the weft knitting double-sided structure.
Compared with the common gloves prepared from the glass fiber yarns without the coating, the anti-cutting gloves prepared from the PVC coating film-forming glass fiber yarns and the nylon filament composite yarns have obvious performance advantages, and are specifically as follows:
as can be seen from the above table, the cut-resistant gloves prepared by the present example achieve the European Standard ISO 13997E grade and ANSI A5 grade, and the cut grade is improved by 1-2 grade compared with the gloves prepared by the common glass fiber yarns. Meanwhile, the cutting-proof glove prepared by the embodiment can not directly rub glass fibers in the using process, small splinters of the glass fibers can not be separated and cracked to contact with skin, the comfort is high, the safety is good, and the cutting-proof performance of the cutting-proof glove is effectively guaranteed.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
(1) the soft and cutting-resistant PVC film-forming coating is coated on the outer layer of the glass fiber yarn, so that the defects of fragility and easy breakage of the glass fiber yarn are overcome, small broken glass fibers are not easy to generate and can not contact the outside, and compared with common glass fiber yarn, the prepared PVC film-forming glass fiber yarn with the coating has the advantages that the toughness and the strength are greatly improved;
(2) the glass fiber yarn is firstly unwound before being coated, so that the PVC film-forming coating can be completely coated outside the glass fiber yarn in the coating process, and the prepared PVC film-forming glass fiber yarn is wear-resistant and durable;
(3) by adopting a film-forming coating technology, the unwound glass fiber yarns can be taken out immediately after passing through a liquid tank containing PVC liquid, the process time is short, and the efficiency is high;
(4) the PVC coating film-forming glass fiber yarn is compounded with common textile fibers to prepare the composite yarn, so that the protection of a film material can be improved, and meanwhile, the obtained composite yarn has better softness, weaving property and comfort;
(5) the PVC coating film-forming glass fiber yarn or the composite yarn thereof is used for preparing individual protective textiles, the obtained textiles can not directly rub the glass fiber in the using process, small splinters of the glass fiber can not be separated and cracked to contact with skin, and the fabric is high in comfort, good in safety and strong in cutting resistance.
Example two
In this embodiment, the coating film-forming glass fiber yarn is composed of an unwound alkali-free glass fiber yarn core layer and a polyurethane film-forming coating layer, and the polyurethane film-forming coating layer completely covers the outer surface of the unwound alkali-free glass fiber yarn core layer.
The preparation method of the coating film-forming glass fiber yarn comprises the following steps:
(a) tensioning the alkali-free glass fiber yarn under the action of tension by adopting 200D alkali-free glass fiber yarn, and then unwinding;
(b) placing the diluted polyurethane liquid material in a liquid tank;
(c) enabling the unwound alkali-free glass fiber yarn to pass through a liquid tank containing a polyurethane liquid material, and forming a polyurethane film-forming coating on the surface of the unwound alkali-free glass fiber yarn;
(d) quickly taking out the coated alkali-free glass fiber yarn from the liquid tank, drying the alkali-free glass fiber yarn at the temperature of 250 ℃ through a high-temperature oven, and drying the alkali-free glass fiber yarn after 120 seconds to obtain the polyurethane coating film-forming glass fiber yarn;
(e) and (4) winding the prepared polyurethane coating film-forming glass fiber yarn into a roll.
In the prepared polyurethane coating film-forming glass fiber yarn, the proportion of the polyurethane material is 10 percent, and the proportion of the alkali-free glass fiber yarn material is 90 percent.
The prepared polyurethane coating film-forming glass fiber yarn is compounded with nylon filament to prepare the composite yarn, and the specific method comprises the following steps: and processing by adopting a covering machine, and forming the 50D nylon filament yarns into the film-forming glass fiber yarns by double-covering 200D polyurethane coatings with the twist of 600 to obtain the composite yarns of the polyurethane coating film-forming glass fiber yarns and the nylon filament yarns.
The cutting-resistant gloves are prepared by using the prepared polyurethane coating film-forming glass fiber yarn and nylon filament composite yarn, and the specific method comprises the following steps:
weaving by using a glove machine; the lining yarn is as follows: a 200D high performance polyethylene HPPE single-wrapped 110D spandex with a twist of 420 twists; the outer yarn is: the polyurethane coating prepared by the method is a film-forming glass fiber yarn and nylon filament composite yarn; the inner yarn and the outer yarn are woven through the glove to form the cutting-proof glove with the weft knitting double-sided structure.
Compared with the common gloves prepared from the glass fiber yarns without the coating, the anti-cutting gloves prepared from the polyurethane coating film-forming glass fiber yarns and the nylon filament composite yarns have obvious performance advantages, and are specifically as follows:
as can be seen from the above table, the cut-resistant gloves prepared by the present example achieve the European Standard ISO 13997E grade and ANSI A5 grade, and the cut grade is improved by 1-2 grade compared with the gloves prepared by the common glass fiber yarns. Meanwhile, the cutting-proof glove prepared by the embodiment can not directly rub glass fibers in the using process, small splinters of the glass fibers can not be separated and cracked to contact with skin, the comfort is high, the safety is good, and the cutting-proof performance of the cutting-proof glove is effectively guaranteed.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
(1) the soft and cutting-resistant polyurethane film-forming coating is coated on the outer layer of the glass fiber yarn, so that the defects of fragility and easy breakage of the glass fiber yarn are overcome, small broken glass fibers are not easy to generate and can not contact with the outside, and compared with common glass fiber yarn, the prepared polyurethane film-forming glass fiber yarn has the advantages that the toughness and the strength are greatly improved;
(2) the glass fiber yarn is unwound before being coated, so that the polyurethane film-forming coating can be completely coated outside the glass fiber yarn in the coating process, and the prepared polyurethane film-forming glass fiber yarn is wear-resistant and durable;
(3) by adopting a film-forming coating technology, the unwound glass fiber yarns can be taken out immediately after passing through a liquid tank containing polyurethane liquid, the process time is short, and the efficiency is high;
(4) the composite yarn is prepared by compounding the polyurethane coating film-forming glass fiber yarn and common textile fibers, so that the protection of a film material can be improved, and meanwhile, the obtained composite yarn has better softness, weaving property and comfort;
(5) the polyurethane coating film-forming glass fiber yarn or the composite yarn thereof is used for preparing individual protective textiles, the glass fiber cannot be directly rubbed in the using process of the obtained textiles, small broken pieces of the glass fiber cannot be separated and cracked to contact with skin, and the textile is high in comfort, good in safety and strong in cutting resistance.
While the foregoing is directed to the preferred embodiment of the present application, and not to the limiting thereof in any way and any way, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Those skilled in the art can make various changes, modifications and equivalent arrangements to those skilled in the art without departing from the spirit and scope of the present application; moreover, any equivalent alterations, modifications and variations of the above-described embodiments according to the spirit and techniques of this application are intended to be within the scope of the claims of this application.
Claims (10)
1. The coated film-forming glass fiber yarn is characterized by consisting of an unwound glass fiber yarn core layer (1) and a soft and wear-resistant film-forming coating (2), wherein the film-forming coating (2) completely covers the outer surface of the unwound glass fiber yarn core layer (1).
2. The coated film-forming glass yarn according to claim 1, wherein the unwound glass yarn (1) is an unwound medium alkali glass yarn or an unwound alkali-free glass yarn.
3. The coated film-forming glass fiber yarn as claimed in claim 1, wherein the film-forming coating (2) is a coating made of one or a mixture of several of elastic polyurethane, polyvinyl chloride, low-melting-point polyterephthalic plastic, polyvinyl alcohol sizing agent and starch sizing agent.
4. The coated film-forming fiberglass yarn of claim 3, wherein said low-melt polyterephthalic plastic is a polyterephthalic plastic having a melting point of less than 180 ℃.
5. A process for the preparation of coated film-forming glass strands according to any one of claims 1 to 4, comprising the steps of:
(a) tensioning the glass fiber yarn under the action of tension, and then unwinding;
(b) placing the film forming liquid in a liquid groove;
(c) enabling the unwound glass fiber yarn to pass through a liquid tank containing a film forming liquid, and forming a film forming coating on the surface of the unwound glass fiber yarn;
(d) and taking the coated glass fiber yarn out of the liquid tank, and drying the glass fiber yarn by an oven to obtain the coated film-forming glass fiber yarn.
6. The process for preparing a coated film-forming glass yarn as claimed in claim 5, further comprising the step (e) of doffing the prepared coated film-forming glass yarn into a roll.
7. The method of claim 5, wherein the oven drying time in step (d) is 2 to 120 seconds.
8. A composite yarn, which is obtained by compounding the coated glass fiber yarn according to any one of claims 1 to 4 with a textile fiber.
9. The composite yarn of claim 8 wherein said textile fiber is a staple or filament yarn.
10. A protective textile prepared from a coated film-forming glass fibre yarn as claimed in any one of claims 1 to 4, or a composite yarn as claimed in claim 8 or claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911155045.5A CN110685087A (en) | 2019-11-22 | 2019-11-22 | Coating film-forming glass fiber yarn and preparation method and application thereof |
| PCT/CN2020/083644 WO2021098124A1 (en) | 2019-11-22 | 2020-04-08 | Coated film-forming glass fiber yarn, preparation method therefor and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911155045.5A CN110685087A (en) | 2019-11-22 | 2019-11-22 | Coating film-forming glass fiber yarn and preparation method and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497363A (en) * | 2020-04-23 | 2020-08-07 | 宁夏灵智科技有限公司 | Antifouling sofa fabric and preparation method thereof |
| WO2021098124A1 (en) * | 2019-11-22 | 2021-05-27 | 上海曙雀贸易有限公司 | Coated film-forming glass fiber yarn, preparation method therefor and use thereof |
| CN113957578A (en) * | 2020-07-21 | 2022-01-21 | 上海赛立特安全用品股份有限公司 | Inorganic non-metal fiber reinforced monofilament, coating wire, preparation method and application thereof |
| CN113957643A (en) * | 2020-07-21 | 2022-01-21 | 赛立特(南通)安全用品有限公司 | Flame-retardant and cutting-resistant composite monofilament, coated wire, and preparation method and application thereof |
| CN114182413A (en) * | 2021-11-29 | 2022-03-15 | 江苏金太阳纺织科技股份有限公司 | Processing method of cool fabric interwoven by chinlon and regenerated cellulose fiber |
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| CN113957643A (en) * | 2020-07-21 | 2022-01-21 | 赛立特(南通)安全用品有限公司 | Flame-retardant and cutting-resistant composite monofilament, coated wire, and preparation method and application thereof |
| CN114182413A (en) * | 2021-11-29 | 2022-03-15 | 江苏金太阳纺织科技股份有限公司 | Processing method of cool fabric interwoven by chinlon and regenerated cellulose fiber |
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| Publication number | Publication date |
|---|---|
| WO2021098124A1 (en) | 2021-05-27 |
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