CN104448826A - Preparation method of polyphenylene sulfide, polytetrafluoroethylene and glass fiber cloth film-shaped ternary composite material - Google Patents
Preparation method of polyphenylene sulfide, polytetrafluoroethylene and glass fiber cloth film-shaped ternary composite material Download PDFInfo
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- CN104448826A CN104448826A CN201410586320.XA CN201410586320A CN104448826A CN 104448826 A CN104448826 A CN 104448826A CN 201410586320 A CN201410586320 A CN 201410586320A CN 104448826 A CN104448826 A CN 104448826A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/02—Polythioethers; Polythioether-ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2481/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2481/02—Polythioethers; Polythioether-ethers
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Abstract
The invention discloses a preparation method of a polyphenylene sulfide, polytetrafluoroethylene and a glass fiber cloth film-shaped ternary composite material. The preparation method comprises the following steps: (1) preparing polyphenylene sulfide into a solution A with polyphenylene sulfide solid content of 30-50%; (2), preparing the solution A with a polytetrafluoroethylene resin dispersion liquid B according to needs to form a mixed solution in different proportions, namely preparing a polyphenylene sulfide and polytetrafluoroethylene mixed solution in different proportions; and (3), soaking the glass fiber cloth in the mixed solution according to the needs until the N-th process of soaking, drying and sintering to obtain the needed polyphenylene sulfide, polytetrafluoroethylene and glass fiber cloth film-shaped ternary composite material. The polyphenylene sulfide, polytetrafluoroethylene and glass fiber cloth film-shaped ternary composite material prepared by the preparation method disclosed by the invention is enhanced in bonding strength of the polytetrafluoroethylene and the glass fiber cloth, and expanded in range of application.
Description
Technical field:
The present invention relates to a kind of preparation method, is specifically the preparation method of the membranaceous trielement composite material of a kind of polyphenylene sulfide, tetrafluoroethylene and glasscloth.
Background technology:
Tetrafluoroethylene is the macromolecular compound containing fluorine atom in molecular backbone chain, because in molecule, C-F key has high ionic dissociation energy, and fluorine atom high electronegativity and shielding effect, make it have excellent high and low temperature resistance and chemical stability, and there is good dielectric properties, non-adhesive, low abrasiveness, weathering resistance, uninflammability and oilness, be the macromolecular material that a kind of performance is very excellent.
Polytetrafluoroethylglass glass fiber cloth is with suspension injecting tetrafluoroethylene (being commonly called as King) emulsion for raw material, and the cloth of dipping high-performance glass fiber cloth is a kind of high-performance, multiduty composite products.There is following excellent properties: 1, can be used for low temperature-196 DEG C, between high temperature 300 DEG C, there is weathering resistance.2, Abherent, not easily adheres to any material.3, resistance to chemical attack, the corrosion of ability strong acid, highly basic, chloroazotic acid and various organic solvent.4, frictional coefficient is low, is the optimal selection of oil-free self lubrication.5, transmittance reaches 6 ~ 13%.6, there is high insulating property, antiultraviolet, anti-electrostatic.7, intensity is high.Therefore the fields such as aviation, papermaking, food, environmental protection, printing and dyeing, clothes, chemical industry, glass, medicine, electronics, insulation, building (ceiling membrane structure base cloth), emery wheel section, machinery are widely used in.Can be used for anticorrosion coated, liner and liner, antiseized travelling belt, high-frequency copper-clad plate, building film material, insulating material, microwave drying conveying belt, type flexible compensator, friction materials etc. but due to tetrafluoroethylene (PTFE) performance own, cause tetrafluoroethylene (PTFE) poor especially with the bonding properties of glasscloth, thus time special after a certain period of use time under external force directly contacts, tetrafluoroethylene (PTFE) comes off from glasscloth, causes shorten work-ing life.
Thus seeking a kind of method to the bonding force strengthened between tetrafluoroethylene (PTFE) and glasscloth extends work-ing life of material, beyond doubt when the technical problem that last item is great.
Summary of the invention:
The object of the invention is this deficiency of bonding properties difference for the tetrafluoroethylene existed in the above tetrafluoroethylene, glasscloth matrix material and glasscloth, a kind of preparation method of the polyphenylene sulfide, tetrafluoroethylene and the membranaceous trielement composite material of glasscloth that strengthen its engaging force is provided.
Technical solution of the present invention is, provides the preparation method of the membranaceous trielement composite material of a kind of polyphenylene sulfide, tetrafluoroethylene and glasscloth, and it is composited by polyphenylene sulfide, tetrafluoroethylene and glasscloth, and its step is as follows,
(1), by quantitative polyphenylene sulfide insert in horizontal ball milling, and add appropriate distilled water and industrial spirit, grind 24 to 48 hours, and filter with 80 order stainless steel meshs, making polyphenylene sulfide solids content is the solution A of 30-50%;
(2), by above-mentioned solution A and teflon resin dispersion liquid B, be made into the mixing solutions of different ratios on request, stir 1 ~ 2 hour, make the polyphenylene sulfide of different ratio, tetrafluoroethylene mixing solutions M1, M2 ...., Mn, the mixing solutions from M1 to Mn, its polyphenylene sulfide content reduces successively, until be zero;
(3), glasscloth be impregnated in above-mentioned mixing solutions M1 and carry out first time dipping--drying--sintering circuit; Then by above-mentioned, through first time dipping,--dry--the once sintered film material of sintering circuit impregnated in mixing solutions M2 and carries out second time dipping--drying--sintering circuit; As requested until the N time dipping--drying--sintering circuit, obtain required polyphenylene sulfide/tetrafluoroethylene and the membranaceous trielement composite material of glasscloth.
Further, its weight-average molecular weight of polyphenylene sulfide (Mw, x10 in step (1)
4)≤3.0, ash content≤2.5 (%), moisture≤0.5, the rotating speed of horizontal ball milling is 5 ~ 200 revs/min.
As preferably, the polyphenylene sulfide in step (2), tetrafluoroethylene mixing solutions M1, M2 ...., in Mn, in M1, solution A is 0.5 ~ 3 to 1 with the volume ratio of solution B.
As preferably, in step (2), n is 1 ~ 10.
As preferably, in step (3), the drying temperature of dipping--drying--sintering circuit controls at 90 ~ 100 DEG C, and sintering temperature controls at 370 ~ 390 DEG C.
As preferably, adopt vertical consecutive sintering furnace or horizontal continuous fritting furnace in step (3), sintering time controls at 2 ~ 10 minutes; Process velocity controls at 0.5 ~ 6 m/min.
As preferably, in step (3), the temperature of mixing solutions Mn controls at 20 ~ 25 DEG C.
As preferably, in step (2), polyphenylene sulfide, the tetrafluoroethylene mixing solutions of different ratio leave standstill 10 ~ 20 hours at not higher than the temperature of 20 ~ 25 DEG C.
As preferably, dispersion liquid B in step (2), for teflon resin, tetrafluoraoethylene-hexafluoropropylene copolymer, voltalef, polyvinylidene difluoride (PVDF), fluorinated ethylene propylene, ethylene-chlorotrifluoro-ethylene copolymer, ethylene-tetrafluoroethylene copolymer, tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, vinylidene-chlorotrifluoroethylene, hexafluoropropylene (HFP)/tetrafluoroethylene (TFE)-perfluoroalkyl vinyl ether multipolymer, any one in perfluorinated sulfonic resin and vinylidene-hexafluoro-isobutene multipolymer.
Compared with prior art, the present invention has the following advantages: the present invention is in polyphenylene sulfide/tetrafluoroethylene and the membranaceous trielement composite material production process of glasscloth, polyphenylene sulfide/tetrafluoroethylene mixing solutions of employing different ratios replaces traditional pure tetrafluoroethylene mixing solutions, the higher mixing solutions of polyphenylene sulfide content is adopted when the first double-steeping sintering, then polyphenylene sulfide content is lowered successively, so not only maintain the chemical stability that the tetrafluoroethylene on membranaceous trielement composite material surface is splendid, extremely low coefficient of friction, wide use temperature, fabulous ageing-resistant performance, nontoxic, pollution-free premium properties such as grade, and significantly enhance tetrafluoroethylene and glasscloth bonding strength.
Embodiment:
With regard to embodiment, the invention will be further described below:
Embodiment
A preparation method for the membranaceous trielement composite material of polyphenylene sulfide, tetrafluoroethylene and glasscloth, it is composited by polyphenylene sulfide, tetrafluoroethylene and glasscloth, and its step is as follows,
(1) coating level polyphenylene sulfide is inserted in horizontal ball milling, and add appropriate distilled water and industrial spirit, grind 48 hours, and filter with 80 order stainless steel meshs, the polyphenylene sulfide solids content made is the solution A of 30% (weight percent); And storage temperature is that 20 ~ 25 DEG C of indoor are for subsequent use; Here coating level polyphenylene sulfide mainly refers to its weight-average molecular weight (Mw, x10
4)≤3.0, ash content≤2.5 (%), the polyphenylene sulfide of moisture≤0.5;
(2), by above-mentioned solution A and teflon resin dispersion liquid (solids content is 60%) B, be made into the mixing solutions of different ratios on request, stir 1 ~ 2 hour, make different ratio polyphenylene sulfide/tetrafluoroethylene mixing solutions M1, M2,., M5, and storage temperature is that 20 ~ 25 DEG C of indoor are for subsequent use; Mixing solutions M1, M2 ...., in M5, the volume ratio of solution A/solution B is respectively 1,0.5,0.2,0 and 0;
(3), the volume ratio that then by glasscloth impregnated in above-mentioned solution A/solution B is respectively in 1,0.5,0.2,0 and 0 mixing solutions and carries out continuous 5 dipping--drying--sintering circuits, and drying temperature controls at 100 DEG C, and sintering temperature controls at 380 DEG C; Sintering time controls at 3 minutes; Process velocity controls at 1 m/min, obtains required polyphenylene sulfide/tetrafluoroethylene and the membranaceous trielement composite material of glasscloth.In the present embodiment, sintering oven adopts vertical three Room continuous fritting furnaces.
By obtained polyphenylene sulfide/tetrafluoroethylene final after above-mentioned steps and the membranaceous tri compound material of glasscloth, its tensile strength is 4350 after testing, tetrafluoroethylene/glasscloth the matrix material of ratio produced in conventional processes improves 32%, and obviously strengthens in functions such as surface hardnesses.
Claims (9)
1. a preparation method for the membranaceous trielement composite material of polyphenylene sulfide, tetrafluoroethylene and glasscloth, it is characterized in that: it is composited by polyphenylene sulfide, tetrafluoroethylene and glasscloth, its step is as follows,
(1), by quantitative polyphenylene sulfide insert in horizontal ball milling, and add appropriate distilled water and industrial spirit, grind 24 to 48 hours, and filter with 80 order stainless steel meshs, making polyphenylene sulfide solids content is the solution A of 30-50%;
(2), by above-mentioned solution A and teflon resin dispersion liquid B, be made into the mixing solutions of different ratios on request, stir 1 ~ 2 hour, make the polyphenylene sulfide of different ratio, tetrafluoroethylene mixing solutions M1, M2 ...., Mn, the mixing solutions from M1 to Mn, its polyphenylene sulfide content reduces successively, until be zero;
(3), glasscloth be impregnated in above-mentioned mixing solutions M1 and carry out first time dipping--drying--sintering circuit; Then by above-mentioned, through first time dipping,--dry--the once sintered film material of sintering circuit impregnated in mixing solutions M2 and carries out second time dipping--drying--sintering circuit; As requested until the N time dipping--drying--sintering circuit, obtain required polyphenylene sulfide/tetrafluoroethylene and the membranaceous trielement composite material of glasscloth.
2. the preparation method of a kind of polyphenylene sulfide according to claim 1, tetrafluoroethylene and the membranaceous trielement composite material of glasscloth, it is characterized in that: its weight-average molecular weight of the polyphenylene sulfide (Mw in step (1), x104)≤3.0, ash content≤2.5 (%), moisture≤0.5, the rotating speed of horizontal ball milling is 5 ~ 200 revs/min.
3. the preparation method of a kind of polyphenylene sulfide according to claim 1, tetrafluoroethylene and the membranaceous trielement composite material of glasscloth, it is characterized in that: the polyphenylene sulfide in step (2), tetrafluoroethylene mixing solutions M1, M2,., in Mn, in M1, solution A is 0.5 ~ 3 to 1 with the volume ratio of solution B.
4. the preparation method of a kind of polyphenylene sulfide according to claim 1, tetrafluoroethylene and the membranaceous trielement composite material of glasscloth, it is characterized in that: in step (2), n is 1 ~ 10.
5. the preparation method of a kind of polyphenylene sulfide according to claim 1, tetrafluoroethylene and the membranaceous trielement composite material of glasscloth, it is characterized in that: in step (3), the drying temperature of dipping--drying--sintering circuit controls at 90 ~ 100 DEG C, and sintering temperature controls at 370 ~ 390 DEG C.
6. the preparation method of a kind of polyphenylene sulfide according to claim 1, tetrafluoroethylene and the membranaceous trielement composite material of glasscloth, it is characterized in that: adopt vertical consecutive sintering furnace or horizontal continuous fritting furnace in step (3), sintering time controls at 2 ~ 10 minutes; Process velocity controls at 0.5 ~ 6 m/min.
7. the preparation method of a kind of polyphenylene sulfide according to claim 1, tetrafluoroethylene and the membranaceous trielement composite material of glasscloth, it is characterized in that: in step (3), the temperature of mixing solutions Mn controls at 20 ~ 25 DEG C.
8. the preparation method of a kind of polyphenylene sulfide according to claim 1, tetrafluoroethylene and the membranaceous trielement composite material of glasscloth, it is characterized in that: in step (2), polyphenylene sulfide, the tetrafluoroethylene mixing solutions of different ratio leave standstill 10 ~ 20 hours at not higher than the temperature of 20 ~ 25 DEG C.
9. a kind of polyphenylene sulfide according to claim 1, the preparation method of tetrafluoroethylene and the membranaceous trielement composite material of glasscloth, it is characterized in that: the dispersion liquid B in step (2), for teflon resin, tetrafluoraoethylene-hexafluoropropylene copolymer, voltalef, polyvinylidene difluoride (PVDF), fluorinated ethylene propylene, ethylene-chlorotrifluoro-ethylene copolymer, ethylene-tetrafluoroethylene copolymer, tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, vinylidene-chlorotrifluoroethylene, hexafluoropropylene (HFP)/tetrafluoroethylene (TFE)-perfluoroalkyl vinyl ether multipolymer, perfluorinated sulfonic resin, and any one in vinylidene-hexafluoro-isobutene multipolymer.
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Cited By (4)
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| CN105624885A (en) * | 2015-12-25 | 2016-06-01 | 浙江科力新材料科技有限公司 | High-temperature-resistance garment steamer cord fabric prepared from polyphenylene sulfide, polytetrafluoroethylene and glass fibers and preparation method of cord fabric |
| CN105737417A (en) * | 2015-12-25 | 2016-07-06 | 浙江科力新材料科技有限公司 | Carbon fiber/glass fiber and polytetrafluoroethylene membranous flexible solar thermal collector and manufacturing method thereof |
| CN109722109A (en) * | 2018-12-21 | 2019-05-07 | 中国航空制造技术研究院 | A kind of metal type pipe Electrolyzed Processing cathode insulation coating and preparation method |
| CN110621743A (en) * | 2017-04-21 | 2019-12-27 | 索尔维特殊聚合物意大利有限公司 | Polymer alloy comprising a sulfur-containing aromatic polymer and a VDF-based polymer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624885A (en) * | 2015-12-25 | 2016-06-01 | 浙江科力新材料科技有限公司 | High-temperature-resistance garment steamer cord fabric prepared from polyphenylene sulfide, polytetrafluoroethylene and glass fibers and preparation method of cord fabric |
| CN105737417A (en) * | 2015-12-25 | 2016-07-06 | 浙江科力新材料科技有限公司 | Carbon fiber/glass fiber and polytetrafluoroethylene membranous flexible solar thermal collector and manufacturing method thereof |
| CN105737417B (en) * | 2015-12-25 | 2018-08-28 | 浙江科力新材料科技有限公司 | Carbon fibe/glass fibre and the membranaceous flexible solar heat collector of polytetrafluoroethylene (PTFE) and preparation method thereof |
| CN110621743A (en) * | 2017-04-21 | 2019-12-27 | 索尔维特殊聚合物意大利有限公司 | Polymer alloy comprising a sulfur-containing aromatic polymer and a VDF-based polymer |
| CN110621743B (en) * | 2017-04-21 | 2022-09-30 | 索尔维特殊聚合物意大利有限公司 | Polymer alloy comprising a sulfur-containing aromatic polymer and a VDF-based polymer |
| CN109722109A (en) * | 2018-12-21 | 2019-05-07 | 中国航空制造技术研究院 | A kind of metal type pipe Electrolyzed Processing cathode insulation coating and preparation method |
| CN109722109B (en) * | 2018-12-21 | 2021-04-13 | 中国航空制造技术研究院 | Cathode insulating coating for metal pipe electrolytic machining and preparation method thereof |
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