CN114277570A - Flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric - Google Patents
Flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric Download PDFInfo
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- CN114277570A CN114277570A CN202111612414.6A CN202111612414A CN114277570A CN 114277570 A CN114277570 A CN 114277570A CN 202111612414 A CN202111612414 A CN 202111612414A CN 114277570 A CN114277570 A CN 114277570A
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Abstract
The invention discloses a flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric, and belongs to the field of textiles. The invention adopts polyphenylene sulfide fiber, aramid fiber and metal fiber in a mass ratio of 20-50%: 30-50%: preparing 20-40% of blended yarn; then processing the fabric into a fabric in a weaving mode; and then performing three-proofing after-finishing to obtain the flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric. The fabric disclosed by the invention is soft and breathable, and has the following properties: the size is basically not changed after the treatment for 5min at 180 ℃; the breaking strength of the warp direction reaches more than 1120N, and the breaking strength of the weft direction reaches more than 610N; the electromagnetic shielding performance is more than or equal to 20 dB; the damage length is less than 35cm, the smoldering time is less than 1s, and no fusion exists; the waterproof grade is 5 grade; the acid and alkali resistance is excellent.
Description
Technical Field
The invention relates to a flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric, and belongs to the field of textiles.
Background
Radiation pollution generated by electromagnetic waves influences the normal operation of various instruments and equipment in production and life, causes unnecessary error operation, causes low yield and even harms personal safety. In addition, studies at home and abroad show that electromagnetic wave radiation pollution is related to biological effects, namely, when a human body is exposed to an excessive electromagnetic radiation environment for a long time, the cardiovascular system, the central nervous system, the endocrine system, the reproductive system, the immune system, the cerebral nervous system and the like are damaged to different degrees, so that the incidence rate of cancers is increased rapidly.
The anti-electromagnetic wave radiation fabric on the market at present mainly comprises metal fiber blended products, silver fiber series products mainly comprising silver-plated fibers and metal ion complex products, wherein the latter two products are metal or metal ions attached to the surfaces of the fibers, so that the fibers have good conductivity, but the weather resistance of the fibers is relatively poor, and the fibers are rarely used in the field of tools except special conditions.
In recent years, as the application of products for preventing electromagnetic wave radiation in the field of tools is continuously expanded, the requirements for fabrics related to electromagnetic wave radiation are also continuously improved, and besides the improvement of electromagnetic wave shielding effectiveness, the requirements for flame retardancy, temperature resistance, antifouling property, corrosion resistance and the like are also required. In addition, industrial anti-electromagnetic radiation products, especially aerospace, national defense, military, electrical power and other fields, have relatively high requirements on such products.
At present, flame-retardant and high-temperature-resistant anti-electromagnetic-wave radiation fabrics are manufactured in the market, such as patents CN104366851A, CN106222845B and the like, and the products have good conductivity, electromagnetic wave shielding property and flame retardance, but the products do not have the performances of antifouling, waterproof, chemical corrosion resistance and the like.
Disclosure of Invention
[ problem ] to
After the existing flame-retardant and high-temperature-resistant anti-electromagnetic-wave radiation fabric is subjected to three-proofing after-finishing, the flame retardant property can be reduced, and the requirements on the aspects of flame retardance, temperature resistance, water resistance, pollution prevention, oil resistance, chemical corrosion resistance and the like are difficult to meet at the same time.
[ solution ]
In order to solve the problems, the multifunctional radiation-proof fabric with flame retardance, high temperature resistance and corrosion resistance is manufactured by adopting the blended yarn of the polyphenylene sulfide fiber, the aramid fiber and the metal fiber, and then the multifunctional radiation-proof fabric is subjected to three-proofing post-finishing processing, so that the fabric is endowed with the effects of water resistance, stain resistance, oil resistance, chemical corrosion resistance and the like, and the flame retardance can not be obviously reduced.
The first purpose of the invention is to provide a polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn, wherein the mass ratio of the polyphenylene sulfide fiber, the aramid fiber and the metal fiber in the blended yarn is 20-50%: 30-50%: 20-40%.
In one embodiment of the present invention, the yarn count of the polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn is 10 to 40 english single yarn or a double-strand yarn made of the single yarn.
In one embodiment of the invention, the aramid fiber in the polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn is natural fiber or dope dyed fiber of aramid 1313, natural fiber or dope dyed fiber of aramid 1414, or a mixture of the two, and the mixing mass ratio of the aramid 1414 to the aramid 1313 is 0-1: 2.
in one embodiment of the invention, the metal fiber is stainless steel fiber with ASTM (American society for testing and materials) number of 304, 316 or 316L and fiber diameter of 6-8 um; the length is 30-110 mm; preferably 40 to 50 mm.
The second purpose of the invention is to provide a method for preparing a flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric, which comprises the following steps:
processing the polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn into fabric in a weaving mode; then performing three-proofing after-finishing to obtain the flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric; the weave structure of the fabric is mainly 1/1 plain weave and 2/1 twill weave, and the weight of the fabric in square meters is 160-400 g/m.
In one embodiment of the invention, finishing agents adopted in the 'three-proofing' after finishing are Oliflufen CPCO, a three-proofing finishing agent Z-200sk630 fluorine-containing finishing agent, fluorine-containing silicon acrylate copolymer emulsion, a Dupont Teflon three-proofing finishing agent CP-SLA and a three-proofing finishing agent C2006.
In one embodiment of the invention, the "three-proofing" after finishing comprises:
preparing finishing liquid with the concentration of 10-40 g/L, then dipping the fabric, carrying out secondary dipping and secondary rolling, and drying at 160-200 ℃ for 2-5 min, wherein the rolling residue rate is 70-80%.
The third purpose of the invention is to obtain the flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric prepared by the method.
In one embodiment of the invention, the flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric has the performances of flame retardance, high-temperature resistance, corrosion resistance, water resistance, electromagnetic shielding and the like.
The fourth purpose of the invention is to apply the flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric in tools and industrial textiles.
[ advantageous effects ]
The flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric disclosed by the invention is soft and breathable, and has the following properties: the size is basically not changed after the treatment for 5min at 180 ℃; the breaking strength of the warp direction reaches more than 1120N, and the breaking strength of the weft direction reaches more than 610N; the electromagnetic shielding performance is more than or equal to 20 dB; the damage length is less than 35cm, the smoldering time is less than 1s, and no melt drips; the waterproof grade is 5 grade; the acid and alkali resistance is excellent; can be used for a long time at 180 ℃ and can reach 200 ℃ in a short time, and can be washed and used for many times.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of better illustrating the invention and is not intended to limit the invention thereto.
The test method comprises the following steps:
1. dimensional stability: GB 8965.1-2009 flame retardant protective part 1 of protective garments: flame-retardant oral liquid, at 180 ℃ for 5 minutes;
2. breaking strength: GB/T3923.1-2013 part 1 tensile Property of textile fabrics determination of breaking Strength and elongation at Break (bar test).
3. Shielding effectiveness: GB/T30142-2013 shield effectiveness measurement method for planar electromagnetic shielding material;
4. flame retardant property: GB/T5455-: at 26 ℃, 60% RH, butane gas source, ignition time 12 seconds;
5. waterproof performance: GB/T4745 + 2012 'Water dipping method for detecting and evaluating textile waterproof performance', the water temperature is 20 ℃;
6. corrosion resistance: GB 245630 + 2009 appendix F for protective clothing acid and alkali chemical products soaking for 5 minutes, direct washing, hanging and drying.
The three-proofing after finishing adopted in the embodiment is as follows: preparing finishing liquid of 20g/L Dupont Teflon three-proofing finishing agent CP-SLA, soaking the fabric, soaking twice and rolling twice, and drying at 170 ℃ for 4min, wherein the rolling residue rate is 80%.
Example 1
A polyphenylene sulfide fiber/aramid fiber/stainless steel fiber blended yarn is characterized in that the mass ratio of the polyphenylene sulfide fiber/aramid fiber/stainless steel short fiber in the blended yarn is 30/40/30, wherein the polyphenylene sulfide fiber adopts 51mm and 2.5dtex short fibers, the aramid fiber adopts a natural color aramid 1313/aramid 1414 mixed strip, the mixing ratio of the aramid 1313/aramid 1414 is 90/10, and the stainless steel short fibers adopt 40-50 dtexmm、
The fiber strand of (a);
the method for preparing the polyphenylene sulfide fiber/aramid fiber/stainless steel fiber blended yarn comprises the following steps:
respectively blowing and carding aramid fibers and polyphenylene sulfide fibers to form strips, mixing the strips with stainless steel fiber strips in a drawing mode, and then performing the working procedures of roving, spinning, spooling and the like to prepare polyphenylene sulfide fiber/aramid fiber/stainless steel short fiber blended yarns, wherein the single yarn specification is 21 English;
the method for preparing the flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric comprises the following steps:
the blended yarn of the polyphenylene sulfide fiber/aramid fiber/stainless steel short fiber is used as a raw material to be made into fabric in a weaving mode, and the fabric structure is 2/1 twill; then the obtained fabric is subjected to three-proofing post finishing to prepare a flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric; the square meter weight of the fabric is about 220 g/square meter.
Example 2
The mass ratio of the polyphenylene sulfide fiber/aramid fiber/stainless steel short fiber in example 1 was adjusted to 40/40/20, the yarn count was changed to 32-inch twin-wire, the weight of the fabric was adjusted to about 260 g/m, and the other conditions were the same as those in example 1 to obtain a fabric.
Example 3
The mass ratio of the polyphenylene sulfide fiber/aramid fiber/stainless steel staple fiber in example 1 was adjusted to 25/50/25, the yarn count was changed to 30-inch single yarn, the weave structure of the fabric was changed to 1/1 plain weave, the fabric weight was adjusted to about 170 g/m, and the fabric was obtained under the same conditions as in example 1.
Comparative example 1
The 'three-proofing' after finishing in example 1 was omitted, and the rest was kept the same as example 1, to obtain a fabric.
Comparative example 2
The polyphenylene sulfide fiber in the example 1 is changed into the flame-retardant polyester fiber, the flame-retardant polyester fiber/aramid fiber/stainless steel short fiber blended yarn with the proportion of 40/40/20 is prepared, the rest is consistent with the example 1, and 2/1 twill cloth is prepared in the same way.
Comparative example 3
The polyphenylene sulfide fiber in the example 1 is changed into the flame-retardant viscose fiber to prepare the flame-retardant viscose fiber/aramid fiber/stainless steel short fiber blended yarn with the proportion of 40/40/20, and the blended yarn is kept the same as the blended yarn in the example 1, and is made into 2/1 twill cloth in the same way.
Comparative example 4
The polyphenylene sulfide fiber in the example 1 is omitted, the aramid fiber/stainless steel short fiber blended yarn with the compounding ratio of 70/30 is prepared, the other is the same as the example 1, and 2/1 twill cloth is prepared by the same method.
Comparative example 5
The aramid fiber in example 1 was omitted, and a polyphenylene sulfide fiber/stainless steel staple fiber blended yarn having a blend ratio of 80/20 was prepared, and the same procedure as in example 1 was repeated to prepare 2/1 twill cloth.
The mass ratio of each raw material in comparative examples 1-5 is shown in table 1:
TABLE 1
The obtained flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric (2/1 twill) is subjected to comparative test, and the results are shown in Table 2:
TABLE 2 test results of examples and comparative examples
As can be seen from table 2:
the multifunctional fabrics prepared in the embodiments 1, 2 and 3 have basically no change in size after being treated at 180 ℃ for 5 min; the breaking strength of the warp direction reaches more than 1120N, and the breaking strength of the weft direction reaches more than 610N; the electromagnetic shielding performance is more than or equal to 20 dB; the damage length is less than 35cm, the smoldering time is less than 1s, and no melt drips; the waterproof grade is 5 grade; the acid and alkali resistance is excellent;
compared with the prior art, the three-proofing after-finishing is omitted in the comparative example 1, and the prepared fabric has no performances of water resistance, stain resistance and the like;
compared with the prior art, the polyphenylene sulfide fiber is changed into the flame-retardant polyester fiber, the prepared fabric has relatively poor high temperature resistance and alkali resistance, poor flame retardant property and damage length of more than 50 cm;
comparative example 3 polyphenylene sulfide fiber was changed to flame retardant viscose fiber, and the prepared fabric had relatively poor acid resistance and damaged length of over 50 cm;
the comparative example 4 omits polyphenylene sulfide fiber, and the prepared fabric has poor flame retardance and the damage length of more than 50 cm;
compared with the prior art, the aramid fiber is omitted in the comparative example 5, the prepared fabric is poor in flame retardant property, and the melting phenomenon occurs after combustion.
Claims (10)
1. The polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn is characterized in that the mass ratio of the polyphenylene sulfide fiber to the aramid fiber to the metal fiber in the blended yarn is 20-50%: 30-50%: 20-40%.
2. The polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn as claimed in claim 1, wherein the yarn count of the polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn is 10 to 40 inches of single yarn or a double-strand yarn made of the single yarn.
3. The polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn of claim 1, wherein the aramid fiber is a greige or solution-dyed fiber of aramid 1313, a greige or solution-dyed fiber of aramid 1414, or a mixture thereof.
4. The polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn as claimed in claim 3, wherein the mixing mass ratio of the aramid fiber 1414 to the aramid fiber 1313 is 0-1: 2.
5. the polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn as claimed in claim 1, wherein the metal fiber is stainless steel fiber having an ASTM mark of 304, 316 or 316L, a fiber diameter of 6-8 um, and a length of 30-110 mm.
6. A method for preparing multifunctional fabric is characterized by comprising the following steps:
processing the polyphenylene sulfide fiber/aramid fiber/metal fiber blended yarn of any one of claims 1 to 5 into a fabric in a weaving mode; and then performing three-proofing after-finishing to obtain the multifunctional fabric.
7. The method of claim 6 wherein the weave structure of the face fabric is 1/1 plain weave or 2/1 twill weave.
8. The method of claim 6, wherein the fabric has a square meter weight of 160 to 400 grams per square meter.
9. The multifunctional fabric prepared by the method of any one of claims 6 to 8.
10. Use of the multifunctional fabric of claim 9 in tooling and industrial textiles.
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| CN202111612414.6A CN114277570A (en) | 2021-12-27 | 2021-12-27 | Flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric |
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| CN202111612414.6A CN114277570A (en) | 2021-12-27 | 2021-12-27 | Flame-retardant, high-temperature-resistant and corrosion-resistant multifunctional radiation-proof fabric |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203487316U (en) * | 2013-06-26 | 2014-03-19 | 河北科技大学 | Composite functional fabric |
| CN105926111A (en) * | 2016-06-30 | 2016-09-07 | 江苏省纺织研究所股份有限公司 | Making method of flame-retardant high-temperature-resistant electromagnetic-radiation-resistant composite functional fabric |
| CN111286836A (en) * | 2020-03-11 | 2020-06-16 | 山东星宇手套有限公司 | Flame-retardant anti-cutting yarn based on modified polyphenylene sulfide, preparation method and glove |
| KR102149612B1 (en) * | 2019-09-04 | 2020-08-31 | 주식회사 신흥 | Hybrid yarn for protective clothing and base fabric using the same |
| CN112760781A (en) * | 2020-12-28 | 2021-05-07 | 陕西元丰纺织技术研究有限公司 | Flame-retardant camouflage fabric containing high-performance fibers and preparation method thereof |
| US20210285133A1 (en) * | 2020-03-10 | 2021-09-16 | Milliken & Company | Textile Materials Containing Yarns with an Intimate Blend of Aramid Fibers and Polyphenylene Sulfide Fibers |
-
2021
- 2021-12-27 CN CN202111612414.6A patent/CN114277570A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203487316U (en) * | 2013-06-26 | 2014-03-19 | 河北科技大学 | Composite functional fabric |
| CN105926111A (en) * | 2016-06-30 | 2016-09-07 | 江苏省纺织研究所股份有限公司 | Making method of flame-retardant high-temperature-resistant electromagnetic-radiation-resistant composite functional fabric |
| KR102149612B1 (en) * | 2019-09-04 | 2020-08-31 | 주식회사 신흥 | Hybrid yarn for protective clothing and base fabric using the same |
| US20210285133A1 (en) * | 2020-03-10 | 2021-09-16 | Milliken & Company | Textile Materials Containing Yarns with an Intimate Blend of Aramid Fibers and Polyphenylene Sulfide Fibers |
| CN111286836A (en) * | 2020-03-11 | 2020-06-16 | 山东星宇手套有限公司 | Flame-retardant anti-cutting yarn based on modified polyphenylene sulfide, preparation method and glove |
| CN112760781A (en) * | 2020-12-28 | 2021-05-07 | 陕西元丰纺织技术研究有限公司 | Flame-retardant camouflage fabric containing high-performance fibers and preparation method thereof |
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