Preparation method of stable basalt continuous fiber impregnating compound

A continuous fiber and sizing technology, applied in the field of composite material preparation, can solve the problems of human skin irritation, glass fiber composite materials cannot be recycled or degraded naturally, unfavorable for energy saving and environmental protection, etc., and achieves improvement of tensile properties and shear strength. , good organic antistatic properties, good lubricating effect

Inactive Publication Date: 2015-11-11
SICHUAN AEROSPACE WU YUAN COMPOSITE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) The production process of glass fiber consumes a lot of energy, which is not conducive to energy conservation and environmental protection;
[0004] (2) The preparation process of glass fiber is harmful to the human body, especially the glass fiber wool will stimulate the human skin and cannot be decomposed or absorbed after being inhaled into the human body, which may cause lung diseases or even cancer;
[0005] (3) Environmental pollution is serious, and glass fiber composite materials cannot be recycled or naturally degraded after being discarded, which is not conducive to environmental protection, etc.
[0007] At present, there are three commonly used basalt fiber sizing agents: epoxy emulsion, polyurethane emulsion and polyester emulsion. Studies have shown that the existing three basalt fiber sizing agents still have certain limitations in practical applications, such as: polyurethane emulsion as a wetting agent The agent is hydrolyzed in an alkaline environment, and the polyester emulsion is suitable for use in textiles as a wetting agent.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The preparation method of the stable basalt continuous fiber sizing agent involved in the present invention comprises the steps as follows:

[0031] A: A film-forming agent is prepared by polymerization of epoxy resin monomers in the presence of an emulsifier, for use, the particle size of the film-forming agent is 0.15 μm, and the concentration is controlled at 45%;

[0032] B: Use H 2 N-silane coupling agent and H 2 The mixture of NCONH-silane coupling agent is used as coupling agent for subsequent use;

[0033] C: Use fatty acid amide as lubricant, spare;

[0034] D: Use ammonia water with a concentration of 40% as a pH regulator, for subsequent use;

[0035] E: Use water to dilute the film-forming agent prepared in step A with water to a concentration of 40%. After stirring evenly, add the spare coupling agent in step B, the spare lubricant in step C, and the spare PH regulator in step D in sequence, and mix After fully stirring and mixing for 1 hour, the finish...

Embodiment 2

[0038] The preparation method of the stable basalt continuous fiber sizing agent involved in the present invention comprises the steps as follows:

[0039] A: A film-forming agent is prepared by polymerization of epoxy resin monomers in the presence of an emulsifier, for standby use. The particle size of the film-forming agent is 0.75 μm, and the concentration is controlled at 52%;

[0040] B: Use H 2 N-silane coupling agent and H 2 The mixture of NCONH-silane coupling agent is used as coupling agent for subsequent use;

[0041] C: Use a mixture of polyester, synthetic ester and carboxylic acid as a lubricant, spare, the mass ratio of polyester, synthetic ester and carboxylic acid is 1:2:1;

[0042] D: Use the organic amine that concentration is 60% as pH adjusting agent, standby;

[0043] E: Use water to dilute the film-forming agent prepared in step A with water to a concentration of 55%. After stirring evenly, add the spare coupling agent in step B, the spare lubricant i...

Embodiment 3

[0046] The difference between this embodiment and Example 1 is that in step A involved in this embodiment, the structural formula of the emulsifier used satisfies:

[0047] .

[0048]In terms of percentage, the finished sizing agent prepared in this example contains 50% film-forming agent, 6% coupling agent, 1.8% lubricant, 3% pH regulator, and the rest is water.

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PUM

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Abstract

The invention discloses a preparation method of a stable basalt continuous fiber impregnating compound. The impregnating compound is a mixed emulsion prepared from a film-forming agent, a coupling agent, a lubricant, a PH modifier and water, wherein the film-forming agent serves as the main component. The preparation method comprises the following steps: diluting the film-forming agent by using the water, then adding the coupling agent, the lubricant and the like, fully mixing the components, and then performing stirring to obtain a finished impregnating compound product. The stable basalt continuous fiber impregnating compound is mainly used for a coating of a basalt fiber, has high impregnability and stability, and also has the functions of improving the bundling and the abrasion resistance of the basalt fiber; the mechanical property of the basalt fiber can be improved, and the breaking strength, the tensile property and the shear strength are improved.

Description

technical field [0001] The invention belongs to the field of preparation of composite materials, in particular to a preparation method of a stable basalt continuous fiber sizing agent. Background technique [0002] In the existing field of composite materials, the fibers used as composite material reinforcement mainly include glass fiber, carbon fiber, boron fiber, alumina fiber, silicon carbide fiber, polyethylene fiber, etc., but due to price constraints, most fibers are only available. Used in the military field, only glass fiber is widely used in the civilian field, but in the actual application process, glass fiber still has certain defects as a composite material reinforcement, such as: [0003] (1) The production process of glass fiber consumes a lot of energy, which is not conducive to energy conservation and environmental protection; [0004] (2) The preparation process of glass fiber is harmful to the human body, especially the glass fiber wool will stimulate the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C25/40
Inventor 黄明
Owner SICHUAN AEROSPACE WU YUAN COMPOSITE
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