CN109825913B - Corrosion-resistant fabric - Google Patents
Corrosion-resistant fabric Download PDFInfo
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- CN109825913B CN109825913B CN201910079776.XA CN201910079776A CN109825913B CN 109825913 B CN109825913 B CN 109825913B CN 201910079776 A CN201910079776 A CN 201910079776A CN 109825913 B CN109825913 B CN 109825913B
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Abstract
The application provides a corrosion-resistant fabric, the corrosion-resistant fabric can be used for producing fabrics of high-comfort chemical-corrosion-resistant protective clothing in special complex environments. The fabric comprises polyester flat fibers, aramid fibers with holes or grooves on the surfaces and polyester triangular fibers, wherein the polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns of the fabric. The invention also provides corrosion-resistant protective clothing which contains the corrosion-resistant fabric or is made of the corrosion-resistant fabric. The corrosion-resistant fabric provided by the invention can resist the damage of strong corrosive chemicals such as concentrated sulfuric acid and the like, and has good wearing comfort.
Description
Technical Field
The invention relates to a corrosion-resistant fabric, in particular to a fabric for producing high-comfort chemical-corrosion-resistant protective clothing in a special complex environment.
Background
At present, most of fibers used for corrosion-resistant fabrics (protective clothing) are fluorine-containing polymers, carbon fibers and the like, for example, the corrosion-resistant fabric disclosed by CN104188207A, and the fibers are formed by blending polytetrafluoroethylene, polyacrylonitrile, polyvinyl formal and silicon carbide fibers; CN104055253A discloses a chemical corrosion resistant blended fabric, the fiber is made of polytetrafluoroethylene, polyphenylene sulfide, chlorine-containing fiber, aramid fiber and the like by blending. Fluoropolymers and carbon fibers have excellent corrosion resistance and heat resistance protection, but are less comfortable.
The corrosion-resistant fabric disclosed in CN103526404A adopts two polyesters, namely polyester and polyterelin (poly 1,3 propylene glycol terephthalate), as surface layers, and although the fabric has a certain corrosion resistance to common daily chemicals such as vinegar and dietary alkali, the fabric is not suitable for high-risk places to resist chemical corrosion.
CN105088789A discloses corrosion-resistant fabric, adopted is polyethylene glycol formal, polyurethane flooding base cloth layer, under the cross-linking agent effect, the immersion liquid forms the protective layer, the fabric that this method obtained is comfortable and easy to wear is poor.
Polypropylene is also often used as an anti-corrosion fabric, but polypropylene cannot be used in high-risk places, particularly places with corrosive chemicals.
Disclosure of Invention
The application provides a corrosion-resistant fabric, can be used to produce chemical corrosion resistant protective clothing under the special complex environment, and has good travelling comfort.
The corrosion-resistant fabric is preferably strong acid and strong alkali chemical corrosion-resistant fabric
The application corrosion-resistant fabric, the surface fabric fibre constitute including the flat fibre of polyester, the aramid fiber, the polyester triangular fiber of hole or slot have on the surface, the flat fibre of polyester aramid fiber polyester triangular fiber blending forms the yarn of surface fabric.
In a preferred embodiment, in the fabric fiber, the weight proportion of the polyester flat fiber is 10-20%, the weight proportion of the aramid fiber is 60-80%, and the weight proportion of the polyester triangular fiber is 10-20% based on the total weight of the fabric fiber.
In a preferred embodiment, the aramid fiber can be any one or more of para-aramid and meta-aramid.
In a preferred embodiment, the aramid fiber is preferably one or two of aramid fiber 1414 and aramid fiber 1313.
In a preferred embodiment, the polyester flat fibers are treated as follows: and (2) soaking the polyester flat fiber in the phenolic resin prepolymer for at least 20 minutes, taking out the polyester flat fiber, drying, and then carrying out ultrasonic treatment for at least 30 minutes.
In a preferred embodiment, the drying is carried out at 10-25 ℃.
In a preferred embodiment, the drying is carried out under inert gas conditions.
More preferably, the inert gas is selected from: any one or more of nitrogen, argon and helium.
In a preferred embodiment, the polyester triangular fibers are treated as follows: the polyester triangular fiber contains 30-40% of porosity, the polyester triangular fiber is soaked in polytetrafluoroethylene dispersion liquid, the polyester triangular fiber is taken out and dried, and then ultrasonic treatment is carried out for at least 30 minutes.
In a preferred embodiment, the drying is vacuum drying.
In a preferred embodiment, the drying temperature is 50-60 ℃.
In a preferred embodiment, the mass concentration of the polytetrafluoroethylene dispersion is 50-80%.
The polytetrafluoroethylene dispersion is obtained by polymerizing tetrafluoroethylene in the presence of a surfactant, and a commercially available product such as an Aladdin polytetrafluoroethylene concentrated dispersion (Shanghai Allantin Biotech Co., Ltd.) can be used. Can also be obtained by the prior patent technology.
In a preferred embodiment, the yarn is heat treated after blending.
In a preferred embodiment, the heat treatment is: and (3) placing the blended yarn in an environment with the temperature of 70-90 ℃ for at least 20 minutes.
In a preferred embodiment, the blended yarn is placed in an environment with the temperature of 70-90 ℃ for 20-50 minutes.
In a preferred embodiment, the aramid fiber may contain any one or more of the following additives: any one or more of pigments, flame retardants, antistatic agents.
In a second aspect, the invention provides corrosion-resistant protective clothing, which contains or is made of the corrosion-resistant fabric.
The corrosion-resistant fabric provided by the invention can resist the damage of strong corrosive chemicals such as concentrated sulfuric acid and the like, and has good wearing comfort.
Detailed Description
Example 1
According to the weight ratio, the fabric fiber composition of the embodiment comprises 20% of polyester flat fiber, 70% of aramid fiber with grooves on the surface and 10% of polyester triangular fiber.
With the development of textile technology, spinneret plate manufacturing technology is mature, and fibers, flat fibers and triangular fibers with grooves on the surfaces can be obtained by spinning through corresponding spinneret plates. The fibers with grooves on the surface can even be in the shape of a pentagram, a trilobal and the like.
The polyester flat fiber is treated by the following steps: and (2) soaking the flat polyester fiber in the phenolic resin prepolymer for at least 20 minutes, taking out the flat polyester fiber, and performing vacuum drying at 20 ℃ in a nitrogen environment.
The polyester triangular fiber is treated as follows: the polyester triangular fiber contains 30-40% of porosity, and is impregnated with 60% of polytetrafluoroethylene dispersion liquid by mass concentration, and the polyester triangular fiber is taken out and dried in vacuum at 50 ℃.
The polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Example 2
According to the weight ratio, the fabric fiber composition of the embodiment comprises 15% of polyester flat fiber, 70% of aramid fiber with grooves on the surface and 15% of polyester triangular fiber.
The polyester flat fiber is treated by the following steps: and (2) soaking the flat polyester fiber in the phenolic resin prepolymer for at least 20 minutes, taking out the flat polyester fiber, and performing vacuum drying at 20 ℃ in a nitrogen environment.
The polyester triangular fiber is treated as follows: the polyester triangular fiber contains 30-40% of porosity, and is impregnated with 60% of polytetrafluoroethylene dispersion liquid by mass concentration, and the polyester triangular fiber is taken out and dried in vacuum at 50 ℃.
The polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Example 3
According to the weight ratio, the fabric fiber composition of the embodiment comprises 10% of polyester flat fiber, 70% of aramid fiber with grooves on the surface and 20% of polyester triangular fiber.
The polyester flat fiber is treated by the following steps: and (2) soaking the flat polyester fiber in the phenolic resin prepolymer for at least 20 minutes, taking out the flat polyester fiber, and performing vacuum drying at 20 ℃ in a nitrogen environment.
The polyester triangular fiber is treated as follows: the polyester triangular fiber contains 30-40% of porosity, and is impregnated with 60% of polytetrafluoroethylene dispersion liquid by mass concentration, and the polyester triangular fiber is taken out and dried in vacuum at 50 ℃.
The polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Example 4
According to the weight ratio, the fabric fiber composition of the embodiment comprises 10% of polyester flat fiber, 80% of aramid fiber with grooves on the surface and 10% of polyester triangular fiber.
The polyester flat fiber is treated by the following steps: and (2) soaking the flat polyester fiber in the phenolic resin prepolymer for at least 20 minutes, taking out the flat polyester fiber, and performing vacuum drying at 20 ℃ in a nitrogen environment.
The polyester triangular fiber is treated as follows: the polyester triangular fiber contains 30-40% of porosity, and is impregnated with 60% of polytetrafluoroethylene dispersion liquid by mass concentration, and the polyester triangular fiber is taken out and dried in vacuum at 50 ℃.
The polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Example 5
According to the weight ratio, the fabric fiber composition of the embodiment comprises 20% of polyester flat fiber, 60% of aramid fiber with grooves on the surface and 20% of polyester triangular fiber.
The polyester flat fiber is treated by the following steps: and (2) soaking the flat polyester fiber in the phenolic resin prepolymer for at least 20 minutes, taking out the flat polyester fiber, and performing vacuum drying at 20 ℃ in a nitrogen environment.
One of the polyester triangular fibers is treated as follows: the polyester triangular fiber contains 30-40% of porosity, and is impregnated with 60% of polytetrafluoroethylene dispersion liquid by mass concentration, and the polyester triangular fiber is taken out and dried in vacuum at 50 ℃.
The polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Example 6
According to the weight ratio, the fabric fiber composition of the embodiment comprises 20% of polyester flat fiber, 60% of aramid fiber with grooves on the surface and 20% of polyester triangular fiber.
The polyester flat fiber is treated by the following steps: and (2) soaking the flat polyester fiber in the phenolic resin prepolymer for at least 20 minutes, taking out the flat polyester fiber, performing vacuum drying under the condition of nitrogen and at the temperature of 20 ℃, and then performing ultrasonic treatment for 20 minutes.
One of the polyester triangular fibers is treated as follows: the polyester triangular fiber contains 30-40% of porosity, and is impregnated with 60% of polytetrafluoroethylene dispersion liquid by mass concentration, the polyester triangular fiber is taken out, vacuum drying is carried out at the temperature of 50 ℃, and then ultrasonic treatment is carried out for 20 minutes.
The ultrasonic treatment is preferably carried out in water, but may be carried out in ethanol.
The polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Comparative example 1
According to the weight ratio, the fabric fiber composition of the embodiment comprises 60% of aramid fiber with grooves on the surface and 40% of polyester triangular fiber.
The polyester triangular fiber is treated as follows: the polyester triangular fiber contains 30-40% of porosity, and is impregnated with 60% of polytetrafluoroethylene dispersion liquid by mass concentration, and the polyester triangular fiber is taken out and dried in vacuum at 50 ℃.
The aramid fiber and the polyester triangular fiber are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Comparative example 2
According to the weight ratio, the fabric fiber composition of the embodiment comprises 80% of aramid fiber with grooves on the surface and 20% of polyester triangular fiber.
The polyester triangular fiber is treated as follows: the polyester triangular fiber contains 30-40% of porosity, and is impregnated with 60% of polytetrafluoroethylene dispersion liquid by mass concentration, and the polyester triangular fiber is taken out and dried in vacuum at 50 ℃.
The aramid fiber and the polyester triangular fiber are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Comparative example 3
According to the weight ratio, the fabric fiber of the embodiment is composed of polytetrafluoroethylene fiber with grooves on the surface.
The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
Comparative example 4
According to the weight ratio, the fabric fiber composition of the embodiment comprises 20% of polyester flat fiber, 60% of aramid fiber with grooves on the surface and 20% of polyester triangular fiber.
The polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns forming the fabric. The textile technology adopts the conventional weaving or knitting technology to weave the yarn into the fabric.
In the above examples and comparative examples, the comfort performance of the fabric obtained under the condition that the fiber fineness, the fabric thickness and the fabric density are consistent is shown in the following table:
it can be seen that the fabrics of examples 1 to 5 of the present application have heat dissipation, air permeability and moisture permeability close to those of pure cotton fabrics, and even have better air permeability and moisture permeability than those of pure cotton fabrics. However, the fabrics of comparative examples 1-3 were significantly lower in heat dissipation, air permeability, or moisture permeability than those of examples 1-5. In example 6, it is possible that the surface of the fiber is more uniform and each of the profiled fibers maintains its surface state after the ultrasonic treatment, so that the synergistic effect of each of the profiled fibers is fully exerted and the air permeability and the moisture permeability are both improved.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (6)
1. The corrosion-resistant fabric is characterized in that fabric fibers comprise polyester flat fibers, aramid fibers with holes or grooves on the surfaces and polyester triangular fibers, and the polyester flat fibers, the aramid fibers and the polyester triangular fibers are blended to form yarns of the fabric; based on the total weight of the fabric fibers, the weight proportion of the polyester flat fibers accounts for 10-20%, the weight proportion of the aramid fibers accounts for 60-80%, and the weight proportion of the polyester triangular fibers accounts for 10-20%;
the polyester flat fiber is treated by the following steps: soaking the flat polyester fibers in the phenolic resin prepolymer for at least 20 minutes, taking out the flat polyester fibers, drying the flat polyester fibers, and then carrying out ultrasonic treatment for at least 30 minutes;
the polyester triangular fiber is treated as follows: the polyester triangular fiber contains 30-40% of porosity, the polyester triangular fiber is soaked in polytetrafluoroethylene dispersion liquid, the polyester triangular fiber is taken out and dried, and then ultrasonic treatment is carried out for at least 30 minutes; the mass concentration of the polytetrafluoroethylene dispersion liquid is 50-80%.
2. The corrosion resistant fabric of claim 1, wherein the drying is performed at 10-25 ℃.
3. The corrosion resistant fabric of claim 1, wherein said drying is performed under inert gas conditions.
4. The corrosion resistant fabric of claim 1, wherein the blended yarn is exposed to an environment of 70-90 ℃ for at least 20 minutes.
5. The corrosion-resistant fabric of claim 1, wherein the drying is vacuum drying and the drying temperature is 50-60 ℃.
6. A corrosion resistant protective garment comprising or made from the corrosion resistant fabric of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079776.XA CN109825913B (en) | 2019-01-28 | 2019-01-28 | Corrosion-resistant fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079776.XA CN109825913B (en) | 2019-01-28 | 2019-01-28 | Corrosion-resistant fabric |
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| CN109825913A CN109825913A (en) | 2019-05-31 |
| CN109825913B true CN109825913B (en) | 2021-03-09 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110438794A (en) * | 2019-07-10 | 2019-11-12 | 株洲天伦纺织有限责任公司 | A kind of wear-resisting veil and preparation method thereof |
| CN111394855A (en) * | 2020-04-23 | 2020-07-10 | 罗莱生活科技股份有限公司 | Multifunctional skin care yarn and preparation method and application thereof |
| CN111543707B (en) * | 2020-05-12 | 2022-02-11 | 威海云龙复合纺织材料股份有限公司 | Medical protective clothing device of repeatability and production facility |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101302677A (en) * | 2008-06-13 | 2008-11-12 | 丹阳市丹祈鱼跃纺织有限公司 | Multi-functional training clothes fabric for special police |
| CN201640555U (en) * | 2010-02-21 | 2010-11-24 | 浙江纺织服装科技有限公司 | High-temperature-resistant composite protective clothing material |
| CN102660825A (en) * | 2012-05-29 | 2012-09-12 | 吴江市博涵纺织有限公司 | Multifunctional aramid fabric |
| CN103722844A (en) * | 2012-10-14 | 2014-04-16 | 常州博朗凯德织物有限公司 | Anti-cracking fabric |
| CN104068516A (en) * | 2014-06-30 | 2014-10-01 | 江阴市瀚新纺织有限公司 | Microporous electric-arc preventive suit |
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