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Preparation method of fiber-base-fabric foamed epoxy resin cloth

A technology of epoxy resin and fiber cloth, which is applied in the processing of textile materials, textile and papermaking, liquid/gas/vapor textile processing, etc. Small batch production, simple equipment and process, easy to adjust the effect of the formula

Inactive Publication Date: 2014-10-15
杨贤斌
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0002] The foaming epoxy resin currently on the market is independent and agglomerated, and the agglomerated foaming epoxy resin cannot be precisely controlled in quantity
In recent years, although some manufacturers have pressed epoxy foamed resin into sheets, the thinnest thickness is generally around 2mm. Sheet-shaped foamed epoxy resins have no strength before reaction, and cannot be made very thin or made Moreover, because sheet-shaped foamed epoxy resin is easily deformed and broken by external forces, it cannot be rolled as tightly as carbon fiber prepreg, which greatly limits its application range and affects the strength of the entire system

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] The basic principle of the present invention is: Utilize the physical strength of (weaving) fiber base cloth to resist pulling, impregnate the fiber cloth into solvent-type foaming epoxy resin, make the fiber base cloth and foaming epoxy resin combine, greatly expand the development The scope and accuracy of foaming epoxy resin.

[0012] The object to be achieved by the present invention is to provide a novel preparation method for producing fiber cloth-based foamed epoxy resin cloth for the defects of the prior art. This method has the characteristics of simple process, less investment, convenient formula adjustment and small batch production; it is especially suitable for the production of thick fiber cloth.

[0013] A method for preparing a fiber cloth-based foamed epoxy resin cloth according to the present invention belongs to a solvent-based preparation method. The raw materials used in the method include a fiber cloth base, a foaming agent, an epoxy resin and a so...

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PUM

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Abstract

The invention discloses a preparation method of fiber-base-fabric foamed epoxy resin cloth. The preparation method is characterized in that raw materials include fiber base fabric, foaming agent, epoxy resin, auxiliaries and organic solvent. The preparation method comprises the following steps: respectively adding the foaming agent, the epoxy resin and auxiliaries into organic solvent to be stirred and mixed until the foaming agent, the epoxy resin and the auxiliaries are completely dissolved to form a mixed solution, then impregnating the fiber base fabric into the mixed solution, and drying, reeling, packaging and warehousing the fabric after the fiber base fabric is fused with the mixed solution. The preparation method is convenient to operate and has the advantages of less investment, high efficiency, low cost and the like.

Description

technical field [0001] The invention relates to a preparation method, in particular to a preparation method of fiber cloth-based foamed epoxy resin cloth. Background technique [0002] The foaming epoxy resins currently on the market are independent and agglomerated, and the agglomerated foaming epoxy resins cannot be precisely controlled quantitatively at all. In recent years, although some manufacturers have pressed epoxy foamed resin into sheets, the thinnest thickness is generally around 2mm. Sheet-shaped foamed epoxy resins have no strength before reaction, and cannot be made very thin or made Moreover, because sheet-shaped foamed epoxy resin is easily deformed and broken by external force, it cannot be rolled as tightly as carbon fiber prepreg, which greatly limits its scope of use and affects the strength of the entire system. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for preparing a fiber ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D06B3/10D06M15/55
Inventor 杨贤斌
Owner 杨贤斌
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