CN113818246A - Preparation method of antioxidant PPS fiber - Google Patents
Preparation method of antioxidant PPS fiber Download PDFInfo
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- CN113818246A CN113818246A CN202111050897.5A CN202111050897A CN113818246A CN 113818246 A CN113818246 A CN 113818246A CN 202111050897 A CN202111050897 A CN 202111050897A CN 113818246 A CN113818246 A CN 113818246A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
- D06M13/5135—Unsaturated compounds containing silicon atoms
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- Chemical Kinetics & Catalysis (AREA)
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- Artificial Filaments (AREA)
Abstract
The invention discloses a preparation method of antioxidant PPS fiber, relating to the technical field of polyphenylene sulfide fiber, comprising the following steps: (1) soaking the PPS fiber with the rough surface in an antioxidant treatment liquid, wherein the antioxidant treatment liquid is prepared from the following components in percentage by mass of 45: 2.5: 30: 6: 15: 1, deionized water, a silane coupling agent, PTFE emulsion, an adhesive, a film-forming assistant and talcum powder; (2) and (3) cleaning the impregnated PPS fiber, and drying to obtain the antioxidant PPS fiber. The invention has the beneficial effects that: the preparation method is simple, the prepared PPS fiber has good oxidation resistance, and the strength attenuation degree of the PPS fiber treated by the oxidation resistant liquid is lower than that of the PPS fiber not treated at all.
Description
Technical Field
The invention relates to the technical field of polyphenylene sulfide fibers, and particularly relates to a preparation method of an antioxidant PPS fiber.
Background
The polyphenylene sulfide (PPS) fiber has good chemical resistance, thermal stability and processability, the limiting oxygen index is 34-35, and the PPS fiber can be dissolved without a solvent at the temperature of below 200 ℃, so that the prepared dust removal filter bag for the bag type dust collector can be widely used for dust removal and filtration of high-temperature flue gas in power plants, steel plants, cement plants and the like. However, because the benzene-sulfur bond energy in the PPS macromolecule is low, the PPS fiber is easily oxidized at high temperature (i.e., the higher the oxygen content in the environment, the lower the use temperature should be), so that the strength of the PPS fiber is reduced and becomes brittle, and the service life of the dust filter bag is further reduced.
Patent publication No. CN108360085A discloses a polyphenylene sulfide antioxidant fiber based on layered nanoparticles and a preparation method thereof, wherein organic modified layered nanoparticles are added into polyphenylene sulfide resin, and the organic modified layered nanoparticles are obtained by organically modifying layered nanoparticles with a benzimidazole salt surfactant to prepare a polyphenylene sulfide antioxidant chip master batch, and then melt-spinning is performed, but the modification method is complicated.
Disclosure of Invention
The invention aims to solve the technical problem that the preparation method of the antioxidant polyphenylene sulfide fiber in the prior art is complex, and provides a simple preparation method of the antioxidant PPS fiber.
The invention solves the technical problems through the following technical means:
a preparation method of antioxidant PPS fiber comprises the following steps:
(1) soaking the PPS fiber with the rough surface in an antioxidant treatment liquid, wherein the antioxidant treatment liquid is prepared from the following components in percentage by mass of 45: 2.5: 30: 6: 15: 1, deionized water, a silane coupling agent, PTFE emulsion, an adhesive, a film-forming assistant and talcum powder;
(2) and (3) cleaning the impregnated PPS fiber, and drying to obtain the antioxidant PPS fiber.
Has the advantages that: the preparation method is simple, the prepared PPS fiber has good oxidation resistance, and the strength attenuation degree of the PPS fiber treated by the oxidation resistant liquid is lower than that of the PPS fiber not treated at all.
The PPS fiber has rough surface, can better adhere the antioxidant liquid treatment fluid to the PPS fiber, has good film forming property, and can increase cohesive force between the PPS fibers to ensure better performance of the needled felt when preparing the needled felt.
Preferably, the preparation method of the PPS fiber with rough surface in the step (1) comprises the following steps: the PPS resin and the auxiliary agent are dried, extruded by a screw, spun, stretched, wound and shaped to obtain the PPS fiber, and a plurality of bulges are arranged in a cavity of a spinning nozzle in the spinning process.
Has the advantages that: the plurality of protrusions are arranged in the cavity of the spinning head, so that the surface of the prepared PPS fiber has irregular scratches, and the PPS fiber with rough surface is obtained.
Preferably, the melt index of the PPS resin is 120-200g/10min, and the average particle size of the talcum powder is 22-30 nm.
Has the advantages that: the talcum powder has too small particle size and is not easy to separate to cause agglomeration; and the excessively large particle size can cause the spinning process to block the spinning cavity. When the fluidity of the PPS resin is less than the above value, the PPS resin is less likely to be spun at the spinning stage, and similarly, when the melt index is too large, the PPS resin is less likely to be spun.
Preferably, the temperatures of the first zone/the second zone/the third zone/the fourth zone of the screw are respectively as follows: 290 ℃/310 ℃/315 ℃/320 ℃ and the spinning box temperature is 320 ℃.
Has the advantages that: the spinning temperature determines the problem of spinning and forming of the PPS resin, the performances such as the self strength of the PPS fiber can be caused, the self strength does not reach the standard, the PPS fiber is useless even if the PPS fiber has the oxidation resistance, and the PPS fiber can have good oxidation resistance while keeping the self strength under the temperature condition.
Preferably, the silane coupling agent is vinyltrimethoxysilane.
Preferably, the binder is an inorganic graphite binder.
Preferably, the binder is an inorganic binder ZS-1071.
Preferably, the coalescent is coalescent 7413.
Preferably, deionized water, a silane coupling agent, PTFE emulsion, an adhesive, a film forming aid and talcum powder are mixed according to a mass ratio, ultrasonically dispersed for 15min, and then magnetically stirred for 15 min.
Preferably, the PPS fiber with rough surface is soaked in the anti-oxidation treatment liquid for 20 min.
Preferably, the impregnated PPS fibers are washed and then dried at room temperature.
The invention has the advantages that: the preparation method is simple, the prepared PPS fiber has good oxidation resistance, and the strength attenuation degree of the PPS fiber treated by the oxidation resistant liquid is lower than that of the PPS fiber not treated at all.
The PPS fiber has rough surface, can better adhere the antioxidant liquid treatment fluid to the PPS fiber, has good film forming property, and can increase cohesive force between the PPS fibers to ensure better performance of the needled felt when preparing the needled felt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Test materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
The specific techniques or conditions not specified in the examples can be performed according to the techniques or conditions described in the literature in the field or according to the product specification.
Example 1
The preparation method of the antioxidant PPS fiber comprises the following steps:
(1) preparing PPS fiber with rough surface: drying PPS resin with a melt index of 120g/10min and isooctyl stearate 40550-16-1, extruding by a screw, spinning, stretching, winding and shaping to obtain PPS fiber, wherein the addition amount of the isooctyl stearate 40550-16-1 is 2%, the addition amount of the PPS resin is 98%, and the temperatures of a first area/a second area/a third area/a fourth area of the screw are respectively as follows: 270 ℃/290 ℃/295 ℃/300 ℃, the temperature of a spinning box body is 320 ℃, and the drawing is sequentially subjected to primary drawing, secondary drawing, tertiary drawing and total drawing, wherein the drawing multiplying power is respectively 1.05 times, 2.58 times, 1.35 times, 1.06 times and 3.87 times;
a plurality of bulges are arranged in the cavity of the spinning head in the spinning process, and the plurality of bulges are arranged in the cavity of the spinning head, so that the surface of the prepared PPS fiber has irregular scratches, and the PPS fiber with rough surface is obtained;
(2) soaking the PPS fiber with the rough surface in an antioxidant treatment liquid for 20min, wherein the antioxidant treatment liquid is prepared from the following components in percentage by mass of 45: 2.5: 30: 6: 15: 1, mixing deionized water, vinyl trimethoxy silane, PTFE emulsion, an inorganic adhesive ZS-1071, a film-forming aid 7413 and talcum powder, mixing the deionized water, the silane coupling agent, the PTFE emulsion, the adhesive, the film-forming aid and the talcum powder according to a mass ratio, performing ultrasonic dispersion for 15min, and then performing magnetic stirring for 15 min; wherein the average particle size of the used talcum powder is 22-30 nanometers;
(2) and (3) cleaning the impregnated PPS fiber, and drying at room temperature to obtain the antioxidant PPS fiber.
Example 2
The preparation method of the antioxidant PPS fiber comprises the following steps:
(1) preparing PPS fiber with rough surface: the PPS resin with the melt index of 160g/10min and an auxiliary agent (isooctyl stearate 40550-16-1, the adding proportion is 3%) are dried, extruded by a screw, spun, stretched (the first-stage stretching, the second-stage stretching, the third-stage stretching and the total stretching are 1.05, 2.58, 1.35, 1.06 and 3.87), wound and shaped to obtain the PPS fiber, wherein the temperatures of a first area/a second area/a third area/a fourth area of the screw are respectively as follows: 290 ℃/310 ℃/315 ℃/320 ℃, the temperature of a spinning box body is 320 ℃, a plurality of bulges are arranged in a cavity of a spinning nozzle in the spinning process, and the prepared PPS fiber has irregular scratches on the surface by arranging the plurality of bulges in the cavity of the spinning nozzle, so that the PPS fiber with rough surface is obtained; wherein the average particle size of the used talcum powder is 22-30 nm;
(2) soaking the PPS fiber with the rough surface in an antioxidant treatment liquid for 20min, wherein the antioxidant treatment liquid is prepared from the following components in percentage by mass of 45: 2.5: 30: 6: 15: 1, mixing deionized water, vinyl trimethoxy silane, PTFE emulsion, an inorganic adhesive ZS-1071, a film-forming aid 7413 and talcum powder, mixing the deionized water, the silane coupling agent, the PTFE emulsion, the adhesive, the film-forming aid and the talcum powder according to a mass ratio, performing ultrasonic dispersion for 15min, and then performing magnetic stirring for 15 min;
(2) and (3) cleaning the impregnated PPS fiber, and drying at room temperature to obtain the antioxidant PPS fiber.
Example 3
The preparation method of the antioxidant PPS fiber comprises the following steps:
(1) preparing PPS fiber with rough surface: PPS resin with a melt index of 200g/10min and an auxiliary agent (isooctyl stearate 40550-16-1, the adding proportion is 5%) are dried, extruded by a screw, spun, stretched (the first-stage stretching, the second-stage stretching, the third-stage stretching and the total stretching are 1.05, 2.58, 1.35, 1.06 and 3.87), wound and shaped to obtain PPS fiber, wherein the temperatures of a first area/a second area/a third area/a fourth area of the screw are respectively as follows: 310 ℃/330 ℃/335 ℃/340 ℃, the temperature of a spinning box body is 320 ℃, a plurality of bulges are arranged in a cavity of a spinning nozzle in the spinning process, and the plurality of bulges are arranged in the cavity of the spinning head, so that the surface of the prepared PPS fiber has irregular scratches, and the PPS fiber with rough surface is obtained; wherein the average particle size of the used talcum powder is 22-30 nm;
(2) soaking the PPS fiber with the rough surface in an antioxidant treatment liquid for 20min, wherein the antioxidant treatment liquid is prepared from the following components in percentage by mass of 45: 2.5: 30: 6: 15: 1, mixing deionized water, vinyl trimethoxy silane, PTFE emulsion, an inorganic adhesive ZS-1071, a film-forming aid 7413 and talcum powder, mixing the deionized water, the silane coupling agent, the PTFE emulsion, the adhesive, the film-forming aid and the talcum powder according to a mass ratio, performing ultrasonic dispersion for 15min, and then performing magnetic stirring for 15 min;
(2) and (3) cleaning the impregnated PPS fiber, and drying at room temperature to obtain the antioxidant PPS fiber.
Comparative example 1
This comparative example differs from example 2 in that: deionized water, vinyl trimethoxy silane, PTFE emulsion, inorganic adhesive ZS-1071, film-forming aid 7413 and talcum powder in a mass ratio of 45: 2.3: 25: 5: 13: 0.8.
comparative example 2
This comparative example differs from example 2 in that: deionized water, vinyl trimethoxy silane, PTFE emulsion, inorganic adhesive ZS-1071, film-forming aid 7413 and talcum powder in a mass ratio of 45: 2.7: 35: 7: 17: 1.2.
experimental data and analysis:
PPS fibers which were not subjected to oxidation resistance treatment and PPS fibers which were treated in examples 1, 1 and 2 were placed in a 30% H bath2O2(70℃)、10％H2SO4(93℃)、10％HNO3(93 ℃) and 10% HNO3The strength of the treated mixture was measured after 48 hours of treatment in H2SO4 mixed acid (93 ℃), and the measurement standard was GB/T14337-.
Table 1 shows the results of measurements on PPS fibers which were not subjected to the antioxidant treatment and fibers treated in example 2
Table 2 shows the results of the test of comparative example 1
| Item | Is not processed | 30％H2O2 | 10％H2SO4 | 10％HNO3 | 10％H2SO4/10HNO3 |
| Breaking Strength/cN | 9.3 | 7.5 | 7.9 | 7.8 | 7.3 |
| Elongation at break/% | 25.8 | 19.5 | 18.2 | 17.2 | 16 |
Table 3 shows the results of the measurement in comparative example 2
| Item | Is not processed | 30％H2O2 | 10％H2SO4 | 10％HNO3 | 10％H2SO4/10HNO3 |
| Breaking Strength/cN | 9.2 | 7.4 | 7.7 | 7.7 | 7 |
| Elongation at break/% | 24.5 | 19.3 | 18 | 16.9 | 15.2 |
As can be seen from Table 1, the PPS fibers treated with the antioxidant solution had lower strength attenuation than the PPS fibers not treated with any antioxidant solution under different treatment conditions, and tables 2 and 3 show that the PPS fibers prepared with different antioxidant ratios had lower strength than that of example 2.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A preparation method of antioxidant PPS fiber is characterized by comprising the following steps: the method comprises the following steps:
(1) soaking the PPS fiber with the rough surface in an antioxidant treatment liquid, wherein the antioxidant treatment liquid is prepared from the following components in percentage by mass of 45: 2.5: 30: 6: 15: 1, deionized water, a silane coupling agent, PTFE emulsion, an adhesive, a film-forming assistant and talcum powder;
(2) and (3) cleaning the impregnated PPS fiber, and drying to obtain the antioxidant PPS fiber.
2. The method for preparing the antioxidant PPS fiber according to claim 1, which is characterized in that: the preparation method of the PPS fiber with the rough surface in the step (1) comprises the following steps: the PPS resin and the auxiliary agent are dried, extruded by a screw, spun, stretched, wound and shaped to obtain the PPS fiber, and a plurality of bulges are arranged in a cavity of a spinning nozzle in the spinning process.
3. The method for preparing the antioxidant PPS fiber according to claim 1, which is characterized in that: the melting index of the PPS resin is 120-200g/10min, and the particle size of the talcum powder is 22-30 nm.
4. The method for preparing the antioxidant PPS fiber according to claim 1, which is characterized in that: the temperatures of the first zone/the second zone/the third zone/the fourth zone of the screw are respectively as follows: 290 ℃/310 ℃/315 ℃/320 ℃ and the spinning box temperature is 320 ℃.
5. The method for preparing the antioxidant PPS fiber according to claim 1, which is characterized in that: the silane coupling agent is vinyl trimethoxy silane.
6. The method for preparing the antioxidant PPS fiber according to claim 1, which is characterized in that: the adhesive is an inorganic graphite adhesive.
7. The method for preparing the antioxidant PPS fiber according to claim 6, which is characterized in that: the adhesive is an inorganic adhesive ZS-1071.
8. The method for preparing the antioxidant PPS fiber according to claim 1, which is characterized in that: the coalescent is coalescent 7413.
9. The method for preparing the antioxidant PPS fiber according to claim 1, which is characterized in that: mixing deionized water, a silane coupling agent, PTFE emulsion, an adhesive, a film forming aid and talcum powder according to a mass ratio, performing ultrasonic dispersion for 15min, and then performing magnetic stirring for 15 min.
10. The method for preparing the antioxidant PPS fiber according to claim 1, which is characterized in that: and soaking the PPS fiber with the rough surface in the antioxidant treatment liquid for 20 min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094631A (en) * | 2022-08-12 | 2022-09-23 | 山东产研明泉新材料研究院有限公司 | Preparation method of antioxidant high-performance polyphenylene sulfide fiber |
| CN115513473A (en) * | 2022-09-29 | 2022-12-23 | 天津工业大学 | Polyphenylene sulfide-based hollow fiber with controllable wall thickness and preparation method and application thereof |
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| CN103505943A (en) * | 2013-07-26 | 2014-01-15 | 江南大学 | Preparation method of wear-resistant and antioxidant polyphenylene sulfide filter |
| CN112452051A (en) * | 2020-11-04 | 2021-03-09 | 安徽元琛环保科技股份有限公司 | Preparation method of oxidation-resistant acid-alkali-resistant filter material and prepared filter material |
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2021
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| CN103505943A (en) * | 2013-07-26 | 2014-01-15 | 江南大学 | Preparation method of wear-resistant and antioxidant polyphenylene sulfide filter |
| CN112452051A (en) * | 2020-11-04 | 2021-03-09 | 安徽元琛环保科技股份有限公司 | Preparation method of oxidation-resistant acid-alkali-resistant filter material and prepared filter material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115094631A (en) * | 2022-08-12 | 2022-09-23 | 山东产研明泉新材料研究院有限公司 | Preparation method of antioxidant high-performance polyphenylene sulfide fiber |
| CN115513473A (en) * | 2022-09-29 | 2022-12-23 | 天津工业大学 | Polyphenylene sulfide-based hollow fiber with controllable wall thickness and preparation method and application thereof |
| CN115513473B (en) * | 2022-09-29 | 2024-04-26 | 天津工业大学 | Wall thickness controllable polyphenylene sulfide-based hollow fiber and preparation method and application thereof |
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