CN115677237A - Glass fiber cloth wetting agent and preparation method thereof - Google Patents

Glass fiber cloth wetting agent and preparation method thereof Download PDF

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Publication number
CN115677237A
CN115677237A CN202211298929.8A CN202211298929A CN115677237A CN 115677237 A CN115677237 A CN 115677237A CN 202211298929 A CN202211298929 A CN 202211298929A CN 115677237 A CN115677237 A CN 115677237A
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parts
resin emulsion
agent
water
glass fiber
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林嘉佑
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Taijia Chengdu Glass Fiber Co ltd
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Taijia Chengdu Glass Fiber Co ltd
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Abstract

The invention discloses a glass fiber cloth wetting agent and a preparation method thereof, and the glass fiber cloth wetting agent comprises the following components of 15-20 parts of epoxy resin emulsion, 6-8 parts of phenolic resin emulsion, 15-20 parts of waterborne polyurethane resin, 1-3 parts of coupling agent, 15-20 parts of surfactant, 0.2-1 part of antistatic agent, 5-10 parts of pH regulator, 5-10 parts of defoaming agent, 15-20 parts of hydroxypropylated modified starch, 2-5 parts of polyvinylpyrrolidone, 0.5-2 parts of superfine mica powder, 10-15 parts of hollow glass microspheres and 300-500 parts of water. The glass fiber cloth prepared by the impregnating compound has the advantages of high toughness and wear resistance.

Description

Glass fiber cloth wetting agent and preparation method thereof
Technical Field
The invention relates to the field of glass fiber cloth preparation, in particular to a glass fiber cloth wetting agent and a preparation method thereof.
Background
The glass fiber is an inorganic non-metallic material with excellent performance, comprises the components of silicon dioxide, aluminum oxide, calcium oxide, boron oxide, magnesium oxide, sodium oxide and the like, and is prepared by taking glass balls or waste glass as a raw material and performing processes of high-temperature melting, wire drawing, winding, weaving and the like to finally form various products; the glass fiber has various types, has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, but has the disadvantages of brittle property and poor wear resistance, and is generally used as a reinforcing material, an electrical insulating material, a heat insulation material, a circuit substrate and other fields in composite materials.
The most common production method of glass fiber is tank furnace drawing and pincer pot drawing, when molten liquid glass flows out through a self orifice plate and is drawn into glass fiber monofilaments with very small diameters by a drawing machine in the process of rapid cold cutting, better toughness can be generated only through the action of an impregnating compound so as to facilitate the spinning of the glass fiber, the impregnating compound is generally divided into a spinning type and an enhancement type, and drawing is performed in enhancement type production, so that the impregnating compound directly determines the quality of glass fiber cloth.
Disclosure of Invention
The invention aims to provide high-toughness glass fiber cloth and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: 15-20 parts of epoxy resin emulsion, 6-8 parts of phenolic resin emulsion, 15-20 parts of waterborne polyurethane resin, 1-3 parts of coupling agent, 15-20 parts of surfactant, 0.2-1 part of antistatic agent, 5-10 parts of pH regulator, 5-10 parts of defoaming agent, 15-20 parts of hydroxypropylated modified starch, 2-5 parts of polyvinylpyrrolidone, 0.5-2 parts of superfine mica powder, 10-15 parts of hollow glass microsphere and 300-500 parts of water.
Further, the coupling agent is a zirconium coupling agent.
Further, the defoaming agent is a phosphate ester defoaming agent.
Further, the antistatic agent is a mixture of lithium nitrate and ammonium chloride, wherein the mass ratio of the two is 2.
Furthermore, the particle size of the hollow glass beads is 15-50 microns.
Further, the superfine mica powder is a mixture of muscovite and phlogopite, wherein the mass ratio of the muscovite to the phlogopite is 2.
S1, adding 200 parts of water into a stirring kettle, adding hydroxypropylated modified starch into the stirring kettle, and stirring at the rotating speed of 100-150 rpm for 4-5 minutes;
s2, mixing the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, diluting the mixture of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin by using water at 30-40 ℃ which is 5 times of the total weight of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, and adding the mixture into a stirring kettle;
s3, mixing and diluting the coupling agent with water with the weight 10 times that of the coupling agent and the temperature of 40-50 ℃, and adding the coupling agent into a stirring kettle;
s4, adding the surfactant, the antistatic agent, the hollow glass beads and the superfine mica into a stirring kettle;
and S5, adding the pH regulator and the residual amount of water into the reaction kettle, and mechanically stirring for 2 hours to ensure that the pH of the solution in the reaction kettle is 1-3.
Compared with the prior art, the invention has the advantages that: according to the invention, the impregnating compound is coated on the surface of the glass fiber strand, so that the glass fiber can be soaked quickly, the textile performance of the glass fiber is improved, the strength loss of the glass fiber in the textile process is effectively avoided, the bonding performance of the glass fiber and resin is improved, and the strength of the flat woven glass fiber cloth is improved; the porosity can be improved through the superfine mica powder and the hollow glass beads in the impregnating compound, and the interlaminar shear property, the shock resistance, the anti-cracking property, the fatigue life and the like of the glass fiber cloth are improved.
Detailed Description
The present invention will be further explained below.
Example 1: 15Kg of epoxy resin emulsion, 6Kg of phenolic resin emulsion, 15Kg of waterborne polyurethane resin, 1Kg of coupling agent, 15Kg of surfactant, 0.2Kg of antistatic agent, 5Kg of pH regulator, 5Kg of defoaming agent, 15Kg of hydroxypropylated modified starch, 2Kg of polyvinylpyrrolidone, 0.5Kg of ultrafine mica powder, 10Kg of hollow glass microspheres and 400Kg of water.
Preferably, the coupling agent is a zirconium-based coupling agent.
Preferably, the defoamer is a phosphate defoamer.
Preferably, the antistatic agent is a mixture of lithium nitrate and ammonium chloride, wherein the mass ratio of the two is 2.
Preferably, the particle size of the hollow glass beads is 15 micrometers.
Preferably, the superfine mica powder is a mixture of muscovite and phlogopite, wherein the mass ratio of the muscovite to the phlogopite is 2.
S1, adding 200 parts of water into a stirring kettle, adding hydroxypropylated modified starch into the stirring kettle, and stirring at the rotating speed of 100 revolutions per minute for 5 minutes;
s2, mixing the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, diluting the mixture of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin with water of 30-40 ℃, namely 180Kg of water, which is 5 times of the sum of the weight of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, and adding the mixture into a stirring kettle;
s3, mixing and diluting the coupling agent with water of 40-50 ℃, namely 10Kg of water, which is 10 times of the weight of the coupling agent, and adding the mixture into a stirring kettle;
s4, adding the surfactant, the antistatic agent, the hollow glass beads and the superfine mica into a stirring kettle;
and S5, adding the pH regulator and the residual 10Kg of water into the reaction kettle, and mechanically stirring for 2 hours to ensure that the pH of the solution in the reaction kettle is 1.
Example 2: 20Kg of epoxy resin emulsion, 8Kg of phenolic resin emulsion, 20Kg of waterborne polyurethane resin, 3Kg of coupling agent, 20Kg of surfactant, 1Kg of antistatic agent, 10Kg of pH regulator, 10Kg of defoaming agent, 20Kg of hydroxypropylated modified starch, 5Kg of polyvinylpyrrolidone, 2Kg of ultrafine mica powder, 15Kg of hollow glass microspheres and 500Kg of water.
Further, the coupling agent is a zirconium coupling agent.
Further, the defoaming agent is a phosphate ester defoaming agent.
Further, the antistatic agent is a mixture of lithium nitrate and ammonium chloride, wherein the mass ratio of the two is 2.
Further, the particle size of the hollow glass beads is 15 microns.
Further, the superfine mica powder is a mixture of muscovite and phlogopite, wherein the mass ratio of the muscovite to the phlogopite is 2.
S1, adding 200 parts of water into a stirring kettle, adding hydroxypropylated modified starch into the stirring kettle, and stirring at the rotating speed of 150 revolutions per minute for 5 minutes;
s2, mixing the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, diluting the mixture of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin with water of 30-40 ℃, namely 240Kg of water, wherein the water is 5 times of the sum of the weight of the epoxy resin emulsion, the weight of the phenolic resin emulsion and the weight of the waterborne polyurethane resin, and adding the mixture into a stirring kettle;
s3, mixing and diluting the coupling agent with water at 40-50 ℃, namely 240Kg of water, which is 10 times of the weight of the coupling agent, and adding the coupling agent into the stirring kettle;
s4, adding a surfactant, an antistatic agent, hollow glass beads and superfine mica into a stirring kettle;
and S5, adding the pH regulator and the rest 30Kg of water into the reaction kettle, and mechanically stirring for 2 hours to ensure that the pH value of the solution in the reaction kettle is 1.
Example 3: 18Kg of epoxy resin emulsion, 7Kg of phenolic resin emulsion, 18Kg of waterborne polyurethane resin, 2Kg of coupling agent, 16Kg of surfactant, 0.5Kg of antistatic agent, 8Kg of pH regulator, 8Kg of defoaming agent, 18Kg of hydroxypropylated modified starch, 3Kg of polyvinylpyrrolidone, 1Kg of ultrafine mica powder, 12Kg of hollow glass microspheres and 450Kg of water.
Further, the coupling agent is a zirconium coupling agent.
Further, the defoaming agent is a phosphate ester defoaming agent.
Further, the antistatic agent is a mixture of lithium nitrate and ammonium chloride, wherein the mass ratio of the two is 2.
Further, the particle size of the hollow glass beads is 50 microns.
Further, the superfine mica powder is a mixture of muscovite and phlogopite, wherein the mass ratio of the muscovite to the phlogopite is 2.
S1, adding 200 parts of water into a stirring kettle, adding hydroxypropylated modified starch into the stirring kettle, and stirring at the rotating speed of 150 revolutions per minute for 4-5 minutes;
s2, mixing the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, diluting the mixture of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin by using water with the temperature of 30-40 ℃ which is 5 times of the total weight of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, and adding the mixture into a stirring kettle;
s3, mixing and diluting the coupling agent with water of 40-50 ℃ which is 10 times of the weight of the coupling agent, and adding the coupling agent into a stirring kettle;
s4, adding a surfactant, an antistatic agent, hollow glass beads and superfine mica into a stirring kettle;
and S5, adding the pH regulator and the residual amount of water into the reaction kettle, and mechanically stirring for 2 hours to ensure that the pH value of the solution in the reaction kettle is 3.
Example 4: 18Kg of epoxy resin emulsion, 7Kg of phenolic resin emulsion, 16Kg of aqueous polyurethane resin, 1Kg of coupling agent, 15Kg of surfactant, 0.5Kg of antistatic agent, 10Kg of pH regulator, 8Kg of antifoaming agent, 20Kg of hydroxypropylated modified starch, 3Kg of polyvinylpyrrolidone, 1Kg of ultrafine mica powder, 12Kg of hollow glass microspheres, and 450Kg of water.
Further, the coupling agent is a zirconium coupling agent.
Further, the defoaming agent is a phosphate ester defoaming agent.
Further, the antistatic agent is a mixture of lithium nitrate and ammonium chloride, wherein the mass ratio of the two is 2.
Further, the particle size of the hollow glass bead is 50 microns.
Further, the superfine mica powder is a mixture of muscovite and phlogopite, wherein the mass ratio of the muscovite to the phlogopite is 2.
S1, adding 200 parts of water into a stirring kettle, adding hydroxypropylated modified starch into the stirring kettle, and stirring at the rotating speed of 150 revolutions per minute for 5 minutes;
s2, mixing the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, diluting the mixture of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin by using water with the temperature of 30-40 ℃ which is 5 times of the total weight of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, and adding the mixture into a stirring kettle;
s3, mixing and diluting the coupling agent with water with the weight 10 times that of the coupling agent and the temperature of 40-50 ℃, and adding the coupling agent into a stirring kettle;
s4, adding a surfactant, an antistatic agent, hollow glass beads and superfine mica into a stirring kettle;
s5, adding the pH regulator and the residual amount of water into the reaction kettle, and mechanically stirring for 2 hours to ensure that the pH of the solution in the reaction kettle is 3
The highly abrasion-resistant glass fiber cloths of examples 1 to 4 were tested for flexibility, impact strength, water repellency and elongation at break according to the methods in GB/T8805-1988, GB 1697-82, JIS L1092-2009 and ISO-527-2 test standards, respectively, and the results are shown in Table 1
TABLE 1 mechanical, abrasion and Water resistance testing of highly abrasion-resistant fiberglass cloth
Figure BDA0003903787220000071
As can be seen from Table 1, the high wear-resistant glass fiber cloth of the present invention has high toughness, reflecting its good toughness and high wear resistance. The bending and impact strength of the embodiments 1 to 4 are ideal, and the mechanical strength is good; the water repellency is high, which indicates good water repellency.
The principle and the embodiment of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; while the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. The glass fiber cloth wetting agent is characterized in that: the paint comprises the following components, by weight, 15-20 parts of epoxy resin emulsion, 6-8 parts of phenolic resin emulsion, 15-20 parts of waterborne polyurethane resin, 1-3 parts of coupling agent, 15-20 parts of surfactant, 0.2-1 part of antistatic agent, 5-10 parts of pH regulator, 5-10 parts of defoaming agent, 15-20 parts of hydroxypropylated modified starch, 2-5 parts of polyvinylpyrrolidone, 0.5-2 parts of superfine mica powder, 10-15 parts of hollow glass beads and 300-500 parts of water.
2. The fiberglass cloth wetting agent according to claim 1, wherein: the coupling agent is a zirconium coupling agent.
3. The fiberglass cloth wetting agent according to claim 1, wherein: the defoaming agent is a phosphate ester defoaming agent.
4. The fiberglass cloth wetting agent according to claim 1, wherein: the antistatic agent is a mixture of lithium nitrate and ammonium chloride, wherein the mass ratio of the lithium nitrate to the ammonium chloride is 2.
5. The fiberglass cloth wetting agent according to claim 2, wherein: the particle size of the hollow glass bead is 15-50 microns.
6. The fiberglass cloth wetting agent according to claim 2, wherein: the superfine mica powder is a mixture of muscovite and phlogopite, wherein the mass ratio of the muscovite to the phlogopite is 2.
7. A glass fiber cloth impregnating agent according to any one of claims 1 to 6 and a method for producing a glass fiber cloth impregnating agent, characterized in that: s1, adding 200 parts of water into a stirring kettle, adding hydroxypropylated modified starch into the stirring kettle, and stirring at the rotating speed of 100-150 rpm for 4-5 minutes;
s2, mixing the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, diluting the mixture of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin by using water at 30-40 ℃ which is 5 times of the total weight of the epoxy resin emulsion, the phenolic resin emulsion and the waterborne polyurethane resin, and adding the mixture into a stirring kettle;
s3, mixing and diluting the coupling agent with water with the weight 10 times that of the coupling agent and the temperature of 40-50 ℃, and adding the coupling agent into a stirring kettle;
s4, adding the surfactant, the antistatic agent, the hollow glass beads and the superfine mica into a stirring kettle;
and S5, adding the pH regulator and the residual amount of water into the reaction kettle, and mechanically stirring for 2 hours to ensure that the pH of the solution in the reaction kettle is 1-3.
CN202211298929.8A 2022-10-24 2022-10-24 Glass fiber cloth wetting agent and preparation method thereof Pending CN115677237A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106186732A (en) * 2016-07-29 2016-12-07 安徽丹凤集团桐城玻璃纤维有限公司 A kind of novel glass fiber wetting agent and preparation method thereof
CN106220003A (en) * 2016-07-29 2016-12-14 安徽丹凤集团桐城玻璃纤维有限公司 A kind of glass-fiber reinforced wetting agent
CN106367979A (en) * 2016-08-30 2017-02-01 海宁杰特玻纤布业有限公司 High-abrasion-resisting glass fiber fabric and preparation method thereof
CN110344260A (en) * 2019-07-08 2019-10-18 安徽弋尚纺织科技有限公司 A kind of glass fabric that anti-scratch is wear-resisting and its production technology
CN115028361A (en) * 2022-07-14 2022-09-09 凯荣德(韶关)玻璃纤维有限公司 Glass fiber cloth and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106186732A (en) * 2016-07-29 2016-12-07 安徽丹凤集团桐城玻璃纤维有限公司 A kind of novel glass fiber wetting agent and preparation method thereof
CN106220003A (en) * 2016-07-29 2016-12-14 安徽丹凤集团桐城玻璃纤维有限公司 A kind of glass-fiber reinforced wetting agent
CN106367979A (en) * 2016-08-30 2017-02-01 海宁杰特玻纤布业有限公司 High-abrasion-resisting glass fiber fabric and preparation method thereof
CN110344260A (en) * 2019-07-08 2019-10-18 安徽弋尚纺织科技有限公司 A kind of glass fabric that anti-scratch is wear-resisting and its production technology
CN115028361A (en) * 2022-07-14 2022-09-09 凯荣德(韶关)玻璃纤维有限公司 Glass fiber cloth and preparation method thereof

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