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Preparation method of glass fibre thin felt

A technology of glass fiber and thin felt, which is applied in the direction of textiles, papermaking, non-woven fabrics, etc., can solve the problems of bound glass fiber thin felt application field, difficult to meet people's new requirements, low uniformity, etc., and achieve good bonding performance , low water absorption and adequate supply

Inactive Publication Date: 2004-07-28
樊福定
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The known glass fiber chopped strand thin mat is cut into short strands of continuous glass fiber strands, laminated glass fiber chopped strands to form a blanket, and then bonded with a powdery or latex binder. And pressed into a finished product, the thickness of which is above 0.5mm. The thin felt obtained by this method is relatively low-grade, and the wall thickness is not only thick, but also the uniformity is not high, which is difficult to meet people's new requirements, which limits the quality of glass fiber thin felt. field of application

Method used

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  • Preparation method of glass fibre thin felt
  • Preparation method of glass fibre thin felt
  • Preparation method of glass fibre thin felt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Prepare slurry:

[0034] Add glass fiber chopped strands and white water into a stirring tank and stir evenly. The concentration of glass chopped strands is 0.1%. The glass fiber chopped strands have a diameter of 9 μm and a length of 6 mm. The white water contains thickeners, dispersants, Foaming agent, add thickener, dispersant and defoamer in pure water, make the viscosity of white water reach 8CP; The concentration of dispersant in white water is 80ppm; The gas content in white water is controlled at 6%; Described thickener is Hydroxyethyl cellulose is an easy-to-buy product in the market. Its appearance is: white powder or white sandy particles, viscosity 4000-6000mpas, moisture ≤ 5%; ash content ≤ 10%; light transmittance ≥ 95%;

[0035] Described dispersing agent is polycondensate of fatty acid, is the direct dispersing agent of man-made chopped fiber of non-woven product, also is the easy-to-buy commodity in market, and its appearance is: white, the liquid that ...

Embodiment 2

[0047] Prepare slurry:

[0048] Add glass fiber chopped strands and white water into a stirring tank and stir evenly. The concentration of glass chopped strands is 0.2%. The glass fiber chopped strands have a diameter of 10 μm and a length of 10 mm. Foaming agent, the add-on of thickener makes the viscosity of white water reach 10CP; The concentration of dispersant in white water is 90ppm; The add-on of defoamer makes the air content in white water be controlled at 8%; Described organic binder is The mixed solution of acrylic emulsion and coupling agent (KH560), their content in thin felt is 12%.

[0049] The thickener is hydroxyethyl cellulose; the dispersant is fatty acid polycondensate, which is the direct dispersant of artificial chopped fibers of non-woven products; the defoamer is Agitan295;

[0050] Sizing forming, forming dehydration, dipping, gluing, drying and coiling are the same as in Example 1, except that the binding agent is made up of acrylic acid emulsion and...

Embodiment 3

[0053] Prepare slurry:

[0054] Add glass fiber chopped strands and white water into a stirring tank and stir evenly. The concentration of glass chopped strands is 0.3%. The glass fiber chopped strands have a diameter of 10 μm and a length of 13 mm. Foaming agent, the add-on of thickener makes the viscosity of white water reach 9CP; The concentration of dispersant in white water is 100ppm; The add-on of defoamer makes the air content in white water be controlled at 8%; Described organic binder is Mixture of thermosetting acrylate and coupling agent (KH560), their content in thin felt is 20%.

[0055] The thickener is hydroxyethyl cellulose; the dispersant is fatty acid polycondensate; the defoamer is Agitan295;

[0056] Sizing forming, forming dehydration, dipping and sizing and drying coiling are the same as in Example 1, except that the binder is made up of thermosetting acrylate and coupling agent (KH560), and its weight percentage is: polyvinyl acetate emulsion 80%, coupli...

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Abstract

The present invention relates to a method for preparing glass fibre short cut ends thin felt by utilizing wet paper-making forming technology. It includes the following steps: using glass fibre short cut ends, water, chemical adjuvant and organic adhesive as raw materials, preparing pulp, sizing and forming, forming and dewatering, impregnating and gluing, and drying so as to obtain the invented glass fibre short cut ends thin felt. The diameter of the described glass fibre short cut ends is 5-20 micrometer, and its length is 5-20 mm, and the described chemical adjuvant, includes thickening agent, dispersing agent and defoaming agent.

Description

Technical field: [0001] The invention relates to a method for manufacturing a glass fiber mat. Background technique: [0002] The known glass fiber chopped strand thin mat is cut into short strands of continuous glass fiber strands, laminated glass fiber chopped strands to form a blanket, and then bonded with a powdery or latex binder. And pressed into a finished product, the thickness of which is above 0.5mm. The thin felt obtained by this method is relatively low-grade, and the wall thickness is not only thick, but also the uniformity is not high, which is difficult to meet people's new requirements, which limits the quality of glass fiber thin felt. field of application. Invention content: [0003] The object of the present invention is to provide a kind of production method of glass fiber chopped strand thin mat; [0004] The preparation method of the glass fiber chopped strand thin mat of the present invention is to prepare glass fiber chopped strands, water, chemic...

Claims

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Application Information

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IPC IPC(8): D04H1/587D04H1/64
Inventor 汤新华樊福定
Owner 樊福定
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