CN105271831A - High-wettability glass fiber impregnating compound and preparation method thereof - Google Patents
High-wettability glass fiber impregnating compound and preparation method thereof Download PDFInfo
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Abstract
The invention provides a high-wettability glass fiber impregnating compound and a preparation method thereof. The high-wettability glass fiber impregnating compound is specifically prepared in steps as follows: (1), citric acid and oxalic acid are added to softened deionized water, the PH (potential of hydrogen) value of a solution is adjusted, the mixture is uniformly stirred until components are completely mixed, a non-ionic surfactant and a cationic surfactant are slowly added, the mixture is uniformly stirred until the components are completely dissolved, and a solution containing a coupling agent is obtained; (2), a lubricating agent, a cross-linking agent, a polyoxyethylene type surfactant, fatty acid ester sulfate and hydrolyzed chitosan are added to the softened deionized water, the mixture is heated and stirred until the components are completely dissolved, then the mixture is cooled at the room temperature, and an aid solution is obtained; (3), waterborne epoxy resin with epoxide equivalent being 415-437 and waterborne polyurethane in the volume ratio being 1: (0.3-1) are added to the deionized water to be diluted, then the mixture is uniformly stirred, and a diluted tow collecting agent is obtained; (4), the aid solution and the diluted tow collecting agent are slowly added to the solution containing the coupling agent, uniformly stirred, left to stand and defoamed, and the high-wettability glass fiber impregnating compound is obtained.
Description
Technical field:
The invention belongs to textile materials technical field, be specifically related to glass fiber infiltration agent of a kind of high wettability and preparation method thereof.
Background technology:
In today of world's scientific and technological level development, various high-strength high-modulus fibre, as glass fibre, carbon fiber, basalt fibre etc., can make matrix material with other materials, and it applies the every field almost spread all in life.And, the existence for the treatment of compound for high-strength high-modulus fibre manufacture and use most important because treating compound acts on fiber surface, much impacts be there is no on fiber itself, the surface property of main change fiber, prevents phase mutual friction between fiber from occurring the phenomenon such as lousiness, fracture of wire.Along with increasing and the high-effect application preventing equipment of the single number of textile strand, require more and more higher to the protectiveness of textile size.
Current treating compound is mainly arranged by matrix used resin, be divided into sizing agent special and general treating compound, sizing agent special is the treating compound configured for specific resin, optimize the compatibility performance of fiber and resin, the mechanical property of the raising matrix material of energy maximum strength, general treating compound is the similitude configuration treating compound had according to some resin systems, can act on the interface of fiber and various kinds of resin, play the effect of infiltration, but and not all is general.
Treating compound level domestic is at present compared with abroad, and kind is few, of low quality, most or will by introducing formula, high-end formula be still monopolized by external, therefore researchs and develops fiber treating compound, to the level improving China's matrix material industry, there is important display meaning.
Weft yarn sizing agent special of the disclosed high textile performance of Chinese patent CN101376570B (publication date 2009.3.4) and preparation method thereof, this weft yarn sizing agent special comprises polyester emulsion, epoxy emulsion, water-base epoxy, lubricant, coupling agent, Glacial acetic acid and water, this treating compound can give the smooth and excellent textile performance that the good convergency of yarn ensures glass fiber wire-drawing, in weaving process, precursor wearing and tearing are few, the consistency of cloth cover wool yarn Shao Qieyuhou road resin is good, cloth cover brute force is good, and preparation technology is simple to operation.The treating compound of the disclosed direct yarn of a kind of epoxy pressure piping alkali free glass fibre of Chinese patent CN1013771732A (publication date 2014.5.7), comprise silane coupling agent, water miscible PEG series lubricant agent, membrane-forming agent be epoxy emulsion, blended liquid that organosilicon supports alkane modified epoxy emulsion and polyaminoester emulsion, nonionic and cats product, acid PH conditioning agent and water, this treating compound can make ORGANDY and target resin compatible and good penetrability, and the mechanical property of goods can be made high, meet the requirement of standard.
From above-mentioned prior art, in order to ensure the Synthesis and applications of glass fibre, multiple treating compound can be adopted to improve the consistency of glass fibre and resin, but the treating compound of preparation can only meet general infiltration demand, high-caliber infiltration is required still there is a certain distance.
Summary of the invention:
The technical problem to be solved in the present invention is to provide glass fiber infiltration agent of a kind of high wettability and preparation method thereof, coupling agent, collecting agent, lubricant, wetting agent, PH conditioning agent, sanitas, linking agent and solvent is comprised in this treating compound, by the dilution of the dilution of the dispersion of coupling agent, collecting agent, lubricant, wetting agent, PH conditioning agent and sanitas afterwards order add successively, mix and obtain treating compound.This treating compound can directly apply and monofilament surface, obtains the glass fibre of high wettability after boundling is air-dry, and when making to weave, precursor wearing and tearing are few, and cloth cover wool yarn is few, and cloth cover cleaning is large, good with the consistency of resin, and the composite materials property of preparation is excellent.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A glass fiber infiltration agent for high wettability, is characterized in that, the component of the glass fiber infiltration agent of described high wettability, by weight, comprising:
Coupling agent 5-15 part, collecting agent 45-50 part,
Lubricant 10-20 part, wetting agent 3-8 part,
PH conditioning agent 1-5 part, sanitas 2-6 part,
Linking agent 10-15 part, solvent 60-80 part.
Preferably, aqueous epoxy resin emulsion and the aqueous polyurethane emulsion of described collecting agent to be epoxy equivalent (weight) be 415-437, described coupling agent is nonionogenic tenside and cats product, described wetting agent is polyoxyethylene-type surfactant and fatty acid ester vitriol, described PH conditioning agent is citric acid and oxalic acid, described sanitas is hydrolyzing chitosan, and described solvent is softening deionized water.
The present invention also provides a kind of preparation method of glass fiber infiltration agent of high wettability, it is characterized in that: comprise the following steps:
(1) in softening deionized water, add the pH value of citric acid and oxalic acid regulator solution, stir complete to mixing, slowly adding nonionogenic tenside and cats product, stirring to dissolving completely, froth breaking, obtains the solution containing coupling agent;
(2) add in softening deionized water by lubricant, linking agent, polyoxyethylene-type surfactant and fatty acid ester vitriol and hydrolyzing chitosan, heated and stirred is to dissolving completely, and room temperature cools, and obtains compounding agent solution;
(3) be 1:0.3-1 by volume, be that aqueous epoxy resins and the aqueous polyurethane of 415-437 adds softening deionization dilution with water by epoxy equivalent (weight), stir, obtain the collecting agent diluted;
(4) collecting agent of dilution prepared by compounding agent solution step (2) prepared, step (3) add prepared by step (1) slowly containing in the solution of coupling agent, stir, standing froth breaking obtains the glass fiber infiltration agent of high wettability.
Preferred as technique scheme, in described step (1), the pH value of solution is 3.2-4.3.
Preferred as technique scheme, in described step (1), nonionogenic tenside is polyoxyethylene polyoxypropylene block copolymer, and cats product is quaternary ammonium salt cationic surfactant.
Preferred as technique scheme, in described step (2), lubricant is corn extract rice bran, and linking agent is dicumyl peroxide and vinyltriethoxysilane.
Preferred as technique scheme, in described step (2), the temperature of heated and stirred is 95-100 DEG C.
Preferred as technique scheme, in described step (3), the multiple of dilution be 3-5 doubly.
Preferred as technique scheme, in described step (4), the solid content of the glass fiber infiltration agent of high wettability is 3.5-5%, and viscosity is 35-45cps.
Preferably, the using method of the glass fiber infiltration agent of described high wettability be directly be coated on shaping after monofilament, after boundling is air-dry, obtain the glass fibre of high wettability.
Compared with prior art, the present invention has following beneficial effect:
(1) preparation method of the glass fiber infiltration agent of high wettability for preparing of the present invention is easy, easy handling, by to the alternative between each raw material for the treatment of compound, obtain optimum arranging scheme and the processing parameter of core, then obtain making glass fibre have the treating compound of high wettability.
(2) collecting agent in the glass fiber infiltration agent of high wettability prepared of the present invention adopt aqueous epoxy resins and aqueous polyurethane composite as collecting agent, the appearance transparent of this collecting agent, solid content is high, good stability, good uniformity, viscosity is high, and the performance of collecting agent has larger impact to the film-forming properties for the treatment of compound and sticking power, and the proportioning that the present invention optimizes both makes it well to be applicable to glass fiber infiltration agent.
(3) adopt corn extract rice bran as lubricant in the glass fiber infiltration agent of high wettability that prepared by the present invention, improve by the convergency of sized glass fibres and stiffness, and adopt the wide material sources of corn extract rice bran, there is certain health value, improve the economy of cereal.
(4) glass fiber infiltration agent of high wettability prepared of the present invention is for the performance of fiberglass surfacing, optimized choice polyoxyethylene polyoxypropylene block copolymer, quaternary ammonium salt cationic surfactant, dicumyl peroxide, vinyltriethoxysilane, polyoxyethylene-type surfactant and fatty acid ester vitriol cooperatively interact, fiberglass surfacing can be made to reach high wetting property, is the treating compound of top grade.
Embodiment:
Describe the present invention in detail below in conjunction with specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.Embodiment 1:
A component for the glass fiber infiltration agent of high wettability, by weight, comprising:
Polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant 5 parts,
Epoxy equivalent (weight) be the aqueous epoxy resin emulsion of 415-437 and aqueous polyurethane emulsion collecting agent 45 parts,
10 parts, corn extract rice bran,
Polyoxyethylene-type surfactant and 3 parts, fatty acid ester vitriol,
Citric acid and oxalic acid 1 part,
Hydrolyzing chitosan 2 parts,
Dicumyl peroxide and vinyltriethoxysilane 10 parts,
Softening deionized water 60 parts.
Concrete preparation method comprises the following steps:
(1) in softening deionized water, the citric acid and oxalic acid that volume ratio is 1:1 is added, the pH value of regulator solution is 3.2, stir 30-50min, complete to mixing, slowly adding weight ratio is 0.3:1 polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant, stirring 50min to dissolving completely, froth breaking, obtaining the solution containing coupling agent.
(2) corn extract rice bran, dicumyl peroxide and vinyltriethoxysilane, polyoxyethylene-type surfactant and fatty acid ester vitriol and hydrolyzing chitosan are added in softening deionized water, 95 DEG C of heated and stirred are to dissolving completely, room temperature cools, and obtains compounding agent solution.
(3) be 1:0.3 by volume, be that aqueous epoxy resins and the aqueous polyurethane of 415 adds softening deionization dilution with water 3 times by epoxy equivalent (weight), stir, obtain the collecting agent diluted.
(4) collecting agent of dilution prepared by compounding agent solution step (2) prepared, step (3) add prepared by step (1) slowly containing in the solution of coupling agent, stir, it is 3.5% that standing froth breaking obtains solid content, and viscosity is the glass fiber infiltration agent of the high wettability of 35cps.
Embodiment 2:
A component for the glass fiber infiltration agent of high wettability, by weight, comprising:
Polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant 15 parts,
Epoxy equivalent (weight) be the aqueous epoxy resin emulsion of 415-437 and aqueous polyurethane emulsion collecting agent 50 parts,
20 parts, corn extract rice bran,
Polyoxyethylene-type surfactant and 8 parts, fatty acid ester vitriol,
Citric acid and oxalic acid 5 parts,
Hydrolyzing chitosan 6 parts,
Dicumyl peroxide and vinyltriethoxysilane 15 parts,
Softening deionized water 80 parts.
Concrete preparation method comprises the following steps:
(1) in softening deionized water, the citric acid and oxalic acid that volume ratio is 1:1 is added, the pH value of regulator solution is 4.3, stir 50min, complete to mixing, slowly adding weight ratio is 0.5:1 polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant, stirring 60min to dissolving completely, froth breaking, obtaining the solution containing coupling agent.
(2) corn extract rice bran, dicumyl peroxide and vinyltriethoxysilane, polyoxyethylene-type surfactant and fatty acid ester vitriol and hydrolyzing chitosan are added in softening deionized water, 100 DEG C of heated and stirred are to dissolving completely, room temperature cools, and obtains compounding agent solution.
(3) be 1:1 by volume, be that aqueous epoxy resins and the aqueous polyurethane of 437 adds softening deionization dilution with water 5 times by epoxy equivalent (weight), stir, obtain the collecting agent diluted.
(4) collecting agent of dilution prepared by compounding agent solution step (2) prepared, step (3) add prepared by step (1) slowly containing in the solution of coupling agent, stir, it is 5% that standing froth breaking obtains solid content, and viscosity is the glass fiber infiltration agent of the high wettability of 45cps.
Embodiment 3:
A component for the glass fiber infiltration agent of high wettability, by weight, comprising:
Polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant 10 parts,
Epoxy equivalent (weight) be the aqueous epoxy resin emulsion of 415-437 and aqueous polyurethane emulsion collecting agent 47 parts,
15 parts, corn extract rice bran,
Polyoxyethylene-type surfactant and 5 parts, fatty acid ester vitriol,
Citric acid and oxalic acid 3 parts,
Hydrolyzing chitosan 4 parts,
Dicumyl peroxide and vinyltriethoxysilane 12 parts,
Softening deionized water 70 parts.
Concrete preparation method comprises the following steps:
(1) in softening deionized water, the citric acid and oxalic acid that volume ratio is 1:1 is added, the pH value of regulator solution is 3.7, stir 40min, complete to mixing, slowly adding weight ratio is 0.4:1 polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant, stirring 55min to dissolving completely, froth breaking, obtaining the solution containing coupling agent.
(2) corn extract rice bran, dicumyl peroxide and vinyltriethoxysilane, polyoxyethylene-type surfactant and fatty acid ester vitriol and hydrolyzing chitosan are added in softening deionized water, 98 DEG C of heated and stirred are to dissolving completely, room temperature cools, and obtains compounding agent solution.
(3) be 1:0.5 by volume, be that aqueous epoxy resins and the aqueous polyurethane of 424 adds softening deionization dilution with water 4 times by epoxy equivalent (weight), stir, obtain the collecting agent diluted.
(4) collecting agent of dilution prepared by compounding agent solution step (2) prepared, step (3) add prepared by step (1) slowly containing in the solution of coupling agent, stir, it is 4.2% that standing froth breaking obtains solid content, and viscosity is the glass fiber infiltration agent of the high wettability of 40cps.
Embodiment 4:
A component for the glass fiber infiltration agent of high wettability, by weight, comprising:
Polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant 8 parts,
Epoxy equivalent (weight) be the aqueous epoxy resin emulsion of 415-437 and aqueous polyurethane emulsion collecting agent 46 parts,
12 parts, corn extract rice bran,
Polyoxyethylene-type surfactant and 4 parts, fatty acid ester vitriol,
Citric acid and oxalic acid 2 parts,
Hydrolyzing chitosan 3 parts,
Dicumyl peroxide and vinyltriethoxysilane 11 parts,
Softening deionized water 65 parts.
Concrete preparation method comprises the following steps:
(1) in softening deionized water, the citric acid and oxalic acid that volume ratio is 1:1 is added, the pH value of regulator solution is 3.5, stir 45min, complete to mixing, slowly adding weight ratio is 0.3:1 polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant, stirring 50min to dissolving completely, froth breaking, obtaining the solution containing coupling agent.
(2) corn extract rice bran, dicumyl peroxide and vinyltriethoxysilane, polyoxyethylene-type surfactant and fatty acid ester vitriol and hydrolyzing chitosan are added in softening deionized water, 95 DEG C of heated and stirred are to dissolving completely, room temperature cools, and obtains compounding agent solution.
(3) be 1:0.8 by volume, be that aqueous epoxy resins and the aqueous polyurethane of 419 adds softening deionization dilution with water 3 times by epoxy equivalent (weight), stir, obtain the collecting agent diluted.
(4) collecting agent of dilution prepared by compounding agent solution step (2) prepared, step (3) add prepared by step (1) slowly containing in the solution of coupling agent, stir, it is 4.0% that standing froth breaking obtains solid content, and viscosity is the glass fiber infiltration agent of the high wettability of 37cps.
Embodiment 5:
A component for the glass fiber infiltration agent of high wettability, by weight, comprising:
Polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant 7 parts,
Epoxy equivalent (weight) be the aqueous epoxy resin emulsion of 415-437 and aqueous polyurethane emulsion collecting agent 49 parts,
18 parts, corn extract rice bran,
Polyoxyethylene-type surfactant and 7 parts, fatty acid ester vitriol,
Citric acid and oxalic acid 4 parts,
Hydrolyzing chitosan 5 parts,
Dicumyl peroxide and vinyltriethoxysilane 12 parts,
Softening deionized water 72 parts.
Concrete preparation method comprises the following steps:
(1) in softening deionized water, the citric acid and oxalic acid that volume ratio is 1:1 is added, the pH value of regulator solution is 3.6, stir 35min, complete to mixing, slowly adding weight ratio is 0.4:1 polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant, stirring 55min to dissolving completely, froth breaking, obtaining the solution containing coupling agent.
(2) corn extract rice bran, dicumyl peroxide and vinyltriethoxysilane, polyoxyethylene-type surfactant and fatty acid ester vitriol and hydrolyzing chitosan are added in softening deionized water, 98 DEG C of heated and stirred are to dissolving completely, room temperature cools, and obtains compounding agent solution.
(3) be 1:0.8 by volume, be that aqueous epoxy resins and the aqueous polyurethane of 429 adds softening deionization dilution with water 5 times by epoxy equivalent (weight), stir, obtain the collecting agent diluted.
(4) collecting agent of dilution prepared by compounding agent solution step (2) prepared, step (3) add prepared by step (1) slowly containing in the solution of coupling agent, stir, it is 3.8% that standing froth breaking obtains solid content, and viscosity is the glass fiber infiltration agent of the high wettability of 45cps.
Embodiment 6:
A component for the glass fiber infiltration agent of high wettability, by weight, comprising:
Polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant 15 parts,
Epoxy equivalent (weight) be the aqueous epoxy resin emulsion of 415-437 and aqueous polyurethane emulsion collecting agent 45 parts,
15 parts, corn extract rice bran,
Polyoxyethylene-type surfactant and 5 parts, fatty acid ester vitriol,
Citric acid and oxalic acid 5 parts,
Hydrolyzing chitosan 5 parts,
Dicumyl peroxide and vinyltriethoxysilane 15 parts,
Softening deionized water 70 parts.
Concrete preparation method comprises the following steps:
(1) in softening deionized water, the citric acid and oxalic acid that volume ratio is 1:1 is added, the pH value of regulator solution is 4.0, stir 40min, complete to mixing, slowly adding weight ratio is 0.4:1 polyoxyethylene polyoxypropylene block copolymer and quaternary ammonium salt cationic surfactant, stirring 60min to dissolving completely, froth breaking, obtaining the solution containing coupling agent.
(2) corn extract rice bran, dicumyl peroxide and vinyltriethoxysilane, polyoxyethylene-type surfactant and fatty acid ester vitriol and hydrolyzing chitosan are added in softening deionized water, 100 DEG C of heated and stirred are to dissolving completely, room temperature cools, and obtains compounding agent solution.
(3) be 1:0.6 by volume, be that aqueous epoxy resins and the aqueous polyurethane of 434 adds softening deionization dilution with water 5 times by epoxy equivalent (weight), stir, obtain the collecting agent diluted.
(4) collecting agent of dilution prepared by compounding agent solution step (2) prepared, step (3) add prepared by step (1) slowly containing in the solution of coupling agent, stir, it is 5% that standing froth breaking obtains solid content, and viscosity is the glass fiber infiltration agent of the high wettability of 45cps.
The glass fiber infiltration agent of the high wettability prepared by embodiment 1-6 is directly coated on the surface of glass fibre, and after testing, the result of adhesive rate, one-tenth silk rate, filoplume amount, end breakage rate of twisting thread is as follows:
As seen from the above table, the glass fiber infiltration agent of high wettability prepared by the present invention can make glass fibre have very high wetting property, far exceedes conventional criteria.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a glass fiber infiltration agent for high wettability, is characterized in that, the component of the glass fiber infiltration agent of described high wettability, by weight, comprising:
Coupling agent 5-15 part, collecting agent 45-50 part,
Lubricant 10-20 part, wetting agent 3-8 part,
PH conditioning agent 1-5 part, sanitas 2-6 part,
Linking agent 10-15 part, solvent 60-80 part.
2. the glass fiber infiltration agent of a kind of high wettability according to claim 1, it is characterized in that, aqueous epoxy resin emulsion and the aqueous polyurethane emulsion of described collecting agent to be epoxy equivalent (weight) be 415-437, described coupling agent is nonionogenic tenside and cats product, described wetting agent is polyoxyethylene-type surfactant and fatty acid ester vitriol, described PH conditioning agent is citric acid and oxalic acid, and described sanitas is hydrolyzing chitosan, and described solvent is softening deionized water.
3. a preparation method for the glass fiber infiltration agent of high wettability, is characterized in that: comprise the following steps:
(1) in softening deionized water, add the pH value of citric acid and oxalic acid regulator solution, stir complete to mixing, slowly adding nonionogenic tenside and cats product, stirring to dissolving completely, froth breaking, obtains the solution containing coupling agent;
(2) add in softening deionized water by lubricant, linking agent, polyoxyethylene-type surfactant and fatty acid ester vitriol and hydrolyzing chitosan, heated and stirred is to dissolving completely, and room temperature cools, and obtains compounding agent solution;
(3) be 1:0.3-1 by volume, be that aqueous epoxy resins and the aqueous polyurethane of 415-437 adds softening deionization dilution with water by epoxy equivalent (weight), stir, obtain the collecting agent diluted;
(4) collecting agent of dilution prepared by compounding agent solution step (2) prepared, step (3) add prepared by step (1) slowly containing in the solution of coupling agent, stir, standing froth breaking obtains the glass fiber infiltration agent of high wettability.
4. the preparation method of the glass fiber infiltration agent of a kind of high wettability according to claim 3, is characterized in that: in described step (1), and the pH value of solution is 3.2-4.3.
5. the preparation method of the glass fiber infiltration agent of a kind of high wettability according to claim 3, it is characterized in that: in described step (1), nonionogenic tenside is polyoxyethylene polyoxypropylene block copolymer, and cats product is quaternary ammonium salt cationic surfactant.
6. the preparation method of the glass fiber infiltration agent of a kind of high wettability according to claim 3, it is characterized in that: in described step (2), lubricant is corn extract rice bran, and linking agent is dicumyl peroxide and vinyltriethoxysilane.
7. the preparation method of the glass fiber infiltration agent of a kind of high wettability according to claim 3, is characterized in that: in described step (2), and the temperature of heated and stirred is 95-100 DEG C.
8. the preparation method of the glass fiber infiltration agent of a kind of high wettability according to claim 3, is characterized in that: in described step (3), and the multiple of dilution is 3-5 times.
9. the preparation method of the glass fiber infiltration agent of a kind of high wettability according to claim 3, is characterized in that: in described step (4), and the solid content of the glass fiber infiltration agent of high wettability is 3.5-5%, and viscosity is 35-45cps.
10. the glass fiber infiltration agent of a kind of high wettability according to claim 1 and 2, it is characterized in that: the using method of the glass fiber infiltration agent of described high wettability be directly be coated on shaping after monofilament, after boundling is air-dry, obtain the glass fibre of high wettability.
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| CN106380090A (en) * | 2016-08-29 | 2017-02-08 | 山东玻纤集团股份有限公司 | Glass fiber impregnating compound for reinforced engineering plastics, and preparation method thereof |
| CN108863109A (en) * | 2017-05-12 | 2018-11-23 | 巨石集团有限公司 | A kind of glass fiber infiltration agent and its application in the preparation direct yarn of continuous fiber reinforcement polyamide alkali-free |
| CN112429979A (en) * | 2020-12-18 | 2021-03-02 | 江苏长海复合材料股份有限公司 | Direct yarn process for nylon fabric |
| CN112456817A (en) * | 2020-11-20 | 2021-03-09 | 巨石集团有限公司 | Enhanced glass fiber impregnating compound and preparation method and application thereof |
| CN112482032A (en) * | 2020-12-18 | 2021-03-12 | 江苏长海复合材料股份有限公司 | Impregnating compound for producing nylon fiber chopped strand mats and preparation method thereof |
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| CN108863109A (en) * | 2017-05-12 | 2018-11-23 | 巨石集团有限公司 | A kind of glass fiber infiltration agent and its application in the preparation direct yarn of continuous fiber reinforcement polyamide alkali-free |
| CN112456817A (en) * | 2020-11-20 | 2021-03-09 | 巨石集团有限公司 | Enhanced glass fiber impregnating compound and preparation method and application thereof |
| CN112429979A (en) * | 2020-12-18 | 2021-03-02 | 江苏长海复合材料股份有限公司 | Direct yarn process for nylon fabric |
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