CN104233803A - Dip coating preparation method of modified basalt fiber/polyphenylene sulfide composite filter material - Google Patents
Dip coating preparation method of modified basalt fiber/polyphenylene sulfide composite filter material Download PDFInfo
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- CN104233803A CN104233803A CN201410482998.3A CN201410482998A CN104233803A CN 104233803 A CN104233803 A CN 104233803A CN 201410482998 A CN201410482998 A CN 201410482998A CN 104233803 A CN104233803 A CN 104233803A
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- 239000004734 Polyphenylene sulfide Substances 0.000 title claims abstract description 57
- 229920000069 polyphenylene sulfide Polymers 0.000 title claims abstract description 57
- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000003618 dip coating Methods 0.000 title 1
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 22
- 239000004811 fluoropolymer Substances 0.000 claims abstract description 22
- 239000004744 fabric Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 17
- 239000000839 emulsion Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 30
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 17
- 150000003568 thioethers Chemical class 0.000 claims description 17
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 9
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 238000009987 spinning Methods 0.000 claims description 6
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 5
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- PWOBDMNCYMQTCE-UHFFFAOYSA-N 2-chlorobenzenethiol Chemical class SC1=CC=CC=C1Cl PWOBDMNCYMQTCE-UHFFFAOYSA-N 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000007598 dipping method Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000007822 coupling agent Substances 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- XPBBUZJBQWWFFJ-UHFFFAOYSA-N fluorosilane Chemical compound [SiH3]F XPBBUZJBQWWFFJ-UHFFFAOYSA-N 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- HNJZDPKMMZXSKT-UHFFFAOYSA-N 3,4-dichlorobenzenethiol Chemical compound SC1=CC=C(Cl)C(Cl)=C1 HNJZDPKMMZXSKT-UHFFFAOYSA-N 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 3
- 238000001467 acupuncture Methods 0.000 description 3
- 238000009960 carding Methods 0.000 description 3
- 238000004945 emulsification Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000003471 anti-radiation Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 235000019795 sodium metasilicate Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a preparation method of a high-temperature-resistant modified basalt fiber/polyphenylene sulfide composite filter material. The preparation method comprises the following steps: blending linear polyphenylene sulfide and a hyperbranched polyphenylene sulfide to prepare modified polyphenylene sulfide fiber; preparing basalt fiber and the modified polyphenylene sulfide fiber into composite base fabric by a needling technology; mixing a fluoropolymer, metasilicate, metaaluminate, a fluorosilane coupling agent and deionized water, uniformly mixing in ultrasonic, and preparing fluoropolymer emulsion; dipping the composite base fabric into the emulsion, rolling by using a padder, pre-drying, baking, tensioning by using a tension bracket and winding to obtain a finished product. The modified basalt fiber/polyphenylene sulfide composite filter material prepared by the preparation method has good thermal stability, corrosion resistance and relatively strong mechanical strength; the dispersion and the density of the final fiber are improved; the preparation method is simple in preparation process, relatively low in cost and environment-friendly and is applicable to large-scale industrial production.
Description
Technical field
The present invention relates to the preparation method of composite filtering material, particularly relate to the preparation method of a kind of treated basalt fiber/polyphenylene sulfide composite filtering material dip coated.
Background technology
At present, fire resistant filter material has been widely used in industrial circles such as generating, cement, and filtrate is the chief component of gas-solid separating device, and its performance directly determines the quality of filter effect.In order to improve filtering accuracy, people are except constantly improving the preparation technology of filtrate own aborning, also use the hindlimb unload such as dipping, coating and overlay film, be intended to top layer and the internal structure of improving filter material, thus obtain the high efficiency filter material of even structure, dimensionally stable, the performance that wherein filtrate is high temperature resistant and fire-retardant, directly has influence on the service life of filtrate, more and more pay attention to by the producer.
In weaving stoste, the ignition-proof element such as phosphorous, nitrogen, sulphur, can provide the resistance to elevated temperatures of filtrate, but, this series products is not only easily separated out with the binding ability difference of filter media fibre, and can produce toxic gas when burning, and causes environmental pollution, and high expensive, is unfavorable for suitability for industrialized production.
By finding the research of basalt fibre, basalt fibre has high temperature resistant, anti-oxidant and radiation-resistant feature, can be widely used in filtrate and produce.The DIMENSIONAL STABILITY be compounded with under material at high temperature can be effectively improved with basalt fibre/polyphenylene sulfide for base cloth manufactures compound filter cloth, also its acid-fast alkali-proof can be improved simultaneously.But in actual machine-shaping process, the polyphenylene sulfide of fibre-grade exists that spinning temperature is high, melt viscosity is high, the shortcoming of poor mobile performance, and product color is comparatively dark, wiriness.
In sum, at present in the urgent need to a kind of preparation method of composite filtering material, the high-temperature stability of composite filtering material can be improved, improve its acid-fast alkali-proof and promote that composite merges mutually, thus improve the strainability of finished product.
Summary of the invention
Hyperbranched polyphenylene sulfide has the chemical composition similar with linear polyphenylthioether, all contains phenyl ring and sulphur atom, but chemical constitution is different.By blended according to a certain ratio for the polyphenylene sulfide of hyperbranched polyphenylene sulfide and line style, can while reducing melt viscosity, improving end properties, both maintenances are compatibility preferably.For solving the problems of the technologies described above, process provides the preparation method of a kind of treated basalt fiber/polyphenylene sulfide composite filtering material dip coated.Treated basalt fiber/polyphenylene sulfide composite filtering material is prepared by adding hyperbranched polyphenylene sulfide, and in surface coating emulsion, add fire retardant metasilicate, meta-aluminate, improve the high-temperature stability of composite filtering material, acid-fast alkali-proof, promote to be combined with each other between composite bed, and improve dispersiveness and the compactness extent of fiber.
For achieving the above object, technical scheme provided by the present invention is:
A preparation method for resistant to elevated temperatures treated basalt fiber/polyphenylene sulfide composite filtering material, comprising:
1) by linear polyphenylene sulfide and hyperbranched polyphenylene sulfide co-blended spinning, modified polyphenyl thioether fibre is made;
2) basalt fibre and described modified polyphenyl thioether fibre are made compound base fabric by needling technique;
3) fluoropolymer, metasilicate, meta-aluminate, fluorine containing silane coupling agent and deionized water are mixed, ultrasonic mixing, makes fluoropolymer emulsion;
4) described compound base fabric is immersed in described emulsion, through padding machine roll compacting, preliminary drying, bake, the technique of tension bracket and winding makes finished product.
Further, step 1) described in the weight ratio of linear polyphenylene sulfide and hyperbranched polyphenylene sulfide be 9:1-4:1; Step 2) described in the weight ratio of basalt fibre and described modified polyphenyl thioether fibre be 7:4-1:1; Step 3) described in the percentage by weight of fluoropolymer be 5-20%, the percentage by weight of metasilicate is 10-20%, the percentage by weight of meta-aluminate is 1-10%, the percentage by weight of fluorine containing silane coupling agent is 1-5%, surplus is deionized water.
Further, step 1) described in the weight ratio of linear polyphenylene sulfide and hyperbranched polyphenylene sulfide be 6:1; Step 2) described in the weight ratio of basalt fibre and described modified polyphenyl thioether fibre be 1.25:1; Step 3) described in the percentage by weight of fluoropolymer be 15%, the percentage by weight of metasilicate is 15%, the percentage by weight of meta-aluminate is 5%, the percentage by weight of fluorine containing silane coupling agent is 3%, surplus is deionized water.
Further, described fluoropolymer is the one in polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer or polyvinyl fluoride.
Further, described metasilicate is sodium metaaluminate, and meta-aluminate is sodium metaaluminate.
Further, described hyperbranched polyphenylene sulfide joins in the 1-METHYLPYRROLIDONE of 0.8M by two chloro thiophenols of 50mmol and the Anhydrous potassium carbonate of 100mmol, be heated to 150 DEG C, be incubated 8.5 hours, after product hydrochloric acid washing and filtering, add oxolane and dissolve, hexane extraction, filtering drying is made, and the degree of polymerization is 8-12.
Adopt technique scheme, beneficial effect of the present invention has:
1. base cloth in the present invention uses hyperbranched polyphenylene sulfide and linear polyphenylene sulfide cospin fiber, the polyphenylene sulfide that its crystallization temperature and crystallization rate are high and linear merely, therefore its heat endurance, flow leveling and smooth degree is improved, the outward appearance of finished fiber is more bright and clean simultaneously, is easier to processing.
2. adopt basalt to make Ji Bu, because basalt fibre has high temperature resistant, anti-oxidant and radiation-resistant feature, the binding ability of itself and face coat is stronger, after surface coating fluoropolymer, surrounding annulus is adhered degree and improves, and makes fibre net structure become finer and close, increase the degree of roughness of smooth fiber surface, facilitate dust in flue gas to enter between filtrate, increase filtrate running resistance, improve strainability and the mechanical property of filtrate.
3. the present invention by adding meta-aluminate and metasilicate in face coat emulsion, the binding ability of itself and modification basalt/polyphenylene sulfide ether cloth is stronger, strengthen the stability of filtrate, and produce free of contamination product when running into vitriolated gas, meet the requirement of environmental protection while raising flame-proof heat-resistant performance.
4. by preparation method of the present invention, the composite filtering material of manufacture has good heat endurance, corrosion resistance, stronger mechanical strength, improves the dispersiveness of finished fiber and compactness extent and manufacturing technique is simple, and cost is lower, is applicable to large-scale industrial production.
Detailed description of the invention
Embodiment 1
Prepare hyperbranched polyphenylene sulfide: the 1-METHYLPYRROLIDONE adding 10g 3,4-bis-chloro thiophenol and 13.4g Anhydrous potassium carbonate and 80mL in 250mL three-necked bottle, is heated to 150 DEG C, insulation 8.5h.Product is with after hydrochloric acid washing and filtering, and add oxolane and dissolve, with hexane extraction, filtering drying, obtain light brown hyperbranched PPS powder, its degree of polymerization is 8-12.
Prepare modified polyphenyl thioether fibre: respectively linear polyphenylene sulfide section and hyperbranched polyphenylene sulfide powder are placed in drying box 130 DEG C of dryings 6 hours, by weight being 4:1 mixing, raw material is put into Minitype twin-screw extrusion machine is blended sends winding, the temperature of spinning is 320 DEG C.
Prepare treated basalt fiber/polyphenylene sulfide composite filtering material base cloth: by modified polyphenyl thioether fibre and basalt fibre shredding mixing, weight ratio is: basalt fibre is 1:1 than modified polyphenyl thioether fibre, carding, cross lapping, pre-needling, main acupuncture, makes filtrate base cloth.
Infusion process coating emulsion process: be the fluoropolymer emulsion of 20% by mass percentage, the sodium metasilicate of 10%, the sodium metaaluminate of 1% and 5% fluorine containing silane coupling agent, surplus be deionized water mixing, mixed by supersonic wave cleaning machine again, be mixed with emulsion.Filtrate base cloth after cleaning is immersed in fluoropolymer emulsion, then by padding machine roll compacting, preliminary drying, temperature is 90 DEG C, bakes, and temperature is 160 DEG C, tension bracket, is wound into finished product, and fluoropolymer is the one in polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer or polyvinyl fluoride.
Embodiment 2
Prepare hyperbranched polyphenylene sulfide: the 1-METHYLPYRROLIDONE adding 10g 3,4-bis-chloro thiophenol and 13.4g Anhydrous potassium carbonate and 80mL in 250mL three-necked bottle, is heated to 150 DEG C, insulation 8.5h.Product is with after hydrochloric acid washing and filtering, and add oxolane and dissolve, with hexane extraction, filtering drying, obtain light brown hyperbranched PPS powder, its degree of polymerization is 8-12.
Prepare modified polyphenyl thioether fibre: respectively linear polyphenylene sulfide section and hyperbranched polyphenylene sulfide powder are placed in drying box 130 DEG C of dryings 6 hours, by weight being 9:1 mixing, raw material is put into Minitype twin-screw extrusion machine is blended sends winding, the temperature of spinning is 320 DEG C.
Prepare treated basalt fiber/polyphenylene sulfide composite filtering material base cloth: by modified polyphenyl thioether fibre and basalt fibre shredding mixing, weight ratio is: basalt fibre is 7:4 than modified polyphenyl thioether fibre, carding, cross lapping, pre-needling, main acupuncture, makes filtrate base cloth.
Infusion process coating emulsion process: be the fluoropolymer emulsion of 5% by mass percentage, the sodium metasilicate of 20%, the sodium metaaluminate of 10% and 1% fluorine containing silane coupling agent, surplus be deionized water mixing, mixed by supersonic wave cleaning machine again, be mixed with emulsion.Filtrate base cloth after cleaning is immersed in fluoropolymer emulsion, then by padding machine roll compacting, preliminary drying, temperature is 90 DEG C, bakes, and temperature is 160 DEG C, tension bracket, is wound into finished product, and fluoropolymer is the one in polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer or polyvinyl fluoride.
Embodiment 3
Prepare hyperbranched polyphenylene sulfide: the 1-METHYLPYRROLIDONE adding 10g 3,4-bis-chloro thiophenol and 13.4g Anhydrous potassium carbonate and 80mL in 250mL three-necked bottle, is heated to 150 DEG C, insulation 8.5h.Product is with after hydrochloric acid washing and filtering, and add oxolane and dissolve, with hexane extraction, filtering drying, obtain light brown hyperbranched PPS powder, its degree of polymerization is 8-12.
Prepare modified polyphenyl thioether fibre: respectively linear polyphenylene sulfide section and hyperbranched polyphenylene sulfide powder are placed in drying box 130 DEG C of dryings 6 hours, by weight being 5:1 mixing, raw material is put into Minitype twin-screw extrusion machine is blended sends winding, the temperature of spinning is 320 DEG C.
Prepare treated basalt fiber/polyphenylene sulfide composite filtering material base cloth: by modified polyphenyl thioether fibre and basalt fibre shredding mixing, weight ratio is: basalt fibre is 1.25:1 than modified polyphenyl thioether fibre, carding, cross lapping, pre-needling, main acupuncture, makes filtrate base cloth.
Infusion process coating emulsion process: be the fluoropolymer emulsion of 15% by mass percentage, resistance to, the sodium metaaluminate of 5% of metasilicic acid of 15% and fluorine containing silane coupling agent, the surplus of 3% be deionized water mixing, mixed by supersonic wave cleaning machine again, be mixed with emulsion.Filtrate base cloth after cleaning is immersed in fluoropolymer emulsion, then by padding machine roll compacting, preliminary drying, temperature is 90 DEG C, bakes, and temperature is 160 DEG C, tension bracket, is wound into finished product, and fluoropolymer is the one in polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer or polyvinyl fluoride.
In embodiment 1,2,3, end properties parameter sees the following form:
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. a preparation method for resistant to elevated temperatures treated basalt fiber/polyphenylene sulfide composite filtering material, is characterized in that, comprising:
1) by linear polyphenylene sulfide and hyperbranched polyphenylene sulfide co-blended spinning, modified polyphenyl thioether fibre is made;
2) basalt fibre and described modified polyphenyl thioether fibre are made compound base fabric by needling technique;
3) fluoropolymer, metasilicate, meta-aluminate, fluorine containing silane coupling agent and deionized water are mixed, ultrasonic mixing, makes fluoropolymer emulsion;
4) described compound base fabric is immersed in described emulsion, through padding machine roll compacting, preliminary drying, bake, the technique of tension bracket and winding makes finished product.
2. the preparation method of resistant to elevated temperatures treated basalt fiber/polyphenylene sulfide composite filtering material according to claim 1, is characterized in that, step 1) described in the weight ratio of linear polyphenylene sulfide and hyperbranched polyphenylene sulfide be 9:1-4:1; Step 2) described in the weight ratio of basalt fibre and described modified polyphenyl thioether fibre be 7:4-1:1; Step 3) described in the percentage by weight of fluoropolymer be 5-20%, the percentage by weight of metasilicate is 10-20%, the percentage by weight of meta-aluminate is 1-10%, the percentage by weight of fluorine containing silane coupling agent is 1-5%, surplus is deionized water.
3. the preparation method of resistant to elevated temperatures treated basalt fiber/polyphenylene sulfide composite filtering material according to claim 2, is characterized in that, step 1) described in the weight ratio of linear polyphenylene sulfide and hyperbranched polyphenylene sulfide be 6:1; Step 2) described in the weight ratio of basalt fibre and described modified polyphenyl thioether fibre be 1.25:1; Step 3) described in the percentage by weight of fluoropolymer be 15%, the percentage by weight of metasilicate is 15%, the percentage by weight of meta-aluminate is 5%, the percentage by weight of fluorine containing silane coupling agent is 3%, surplus is deionized water.
4. the preparation method of the resistant to elevated temperatures treated basalt fiber/polyphenylene sulfide composite filtering material according to any one of claim 1-3, is characterized in that, described fluoropolymer is the one in polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer or polyvinyl fluoride.
5. the preparation method of the resistant to elevated temperatures treated basalt fiber/polyphenylene sulfide composite filtering material according to any one of claim 1-3, it is characterized in that, described metasilicate is sodium metaaluminate, and meta-aluminate is sodium metaaluminate.
6. the preparation method of the resistant to elevated temperatures treated basalt fiber/polyphenylene sulfide composite filtering material according to any one of claim 1-3, it is characterized in that, described hyperbranched polyphenylene sulfide joins in the 1-METHYLPYRROLIDONE of 0.8M by two chloro thiophenols of 50mmol and the Anhydrous potassium carbonate of 100mmol, be heated to 150 DEG C, be incubated 8.5 hours, after product hydrochloric acid washing and filtering, add oxolane to dissolve, hexane extraction, filtering drying is made, and the degree of polymerization is 8-12.
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| CN105088790A (en) * | 2015-09-02 | 2015-11-25 | 四川航天五源复合材料有限公司 | Preparation method of basalt fiber internal wall thermal insulation grid cloth |
| CN105239400A (en) * | 2015-09-02 | 2016-01-13 | 四川航天五源复合材料有限公司 | Basalt fiber internal wall heat preservation gridding cloth |
| CN105239394A (en) * | 2015-09-02 | 2016-01-13 | 四川航天五源复合材料有限公司 | Method of preparing basalt fiber external wall heat preservation gridding cloth |
| CN106268030A (en) * | 2016-08-08 | 2017-01-04 | 浙江省纺织测试研究院 | A kind of corrosion-proof high-temp flue gas composite filter material and preparation method thereof |
| CN106521709A (en) * | 2016-11-29 | 2017-03-22 | 德阳力久云智知识产权运营有限公司 | Basalt fiber special for reinforcing polyphenylene sulfide material and preparation method of basalt fiber |
| CN106928709A (en) * | 2015-12-30 | 2017-07-07 | 广东生益科技股份有限公司 | A kind of polyarylether or polyarylene sulfide composite containing filler, sheet material and the circuit substrate containing it |
| CN107596788A (en) * | 2017-10-23 | 2018-01-19 | 安徽屹翔滤材有限公司 | A kind of preparation method of high-quality basalt fiber filter felt |
| CN107988669A (en) * | 2018-01-15 | 2018-05-04 | 苏州耐德新材料科技有限公司 | A kind of modified polyphenyl thioether sewing thread preparation method and its compound filter bag sewing thread |
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| CN105088790A (en) * | 2015-09-02 | 2015-11-25 | 四川航天五源复合材料有限公司 | Preparation method of basalt fiber internal wall thermal insulation grid cloth |
| CN105239400A (en) * | 2015-09-02 | 2016-01-13 | 四川航天五源复合材料有限公司 | Basalt fiber internal wall heat preservation gridding cloth |
| CN105239394A (en) * | 2015-09-02 | 2016-01-13 | 四川航天五源复合材料有限公司 | Method of preparing basalt fiber external wall heat preservation gridding cloth |
| CN106928709A (en) * | 2015-12-30 | 2017-07-07 | 广东生益科技股份有限公司 | A kind of polyarylether or polyarylene sulfide composite containing filler, sheet material and the circuit substrate containing it |
| CN106268030A (en) * | 2016-08-08 | 2017-01-04 | 浙江省纺织测试研究院 | A kind of corrosion-proof high-temp flue gas composite filter material and preparation method thereof |
| CN106268030B (en) * | 2016-08-08 | 2018-05-08 | 浙江省纺织测试研究院 | A kind of corrosion-proof high-temp flue gas composite filter material and preparation method thereof |
| CN106521709A (en) * | 2016-11-29 | 2017-03-22 | 德阳力久云智知识产权运营有限公司 | Basalt fiber special for reinforcing polyphenylene sulfide material and preparation method of basalt fiber |
| CN106521709B (en) * | 2016-11-29 | 2018-11-09 | 深圳市高科塑化有限公司 | Special basalt fibre of a kind of polyphenyl thioether material enhancing and preparation method thereof |
| CN107596788A (en) * | 2017-10-23 | 2018-01-19 | 安徽屹翔滤材有限公司 | A kind of preparation method of high-quality basalt fiber filter felt |
| CN107988669A (en) * | 2018-01-15 | 2018-05-04 | 苏州耐德新材料科技有限公司 | A kind of modified polyphenyl thioether sewing thread preparation method and its compound filter bag sewing thread |
| 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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Application publication date: 20141224 |