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Alkali-free glass fiber woven roving stitch-bonded compound felt

An alkali-free glass fiber and stitch-bonded composite mat technology is applied in the field of composite mats, which can solve the problems of limiting the application of alkali-free glass fiber fabrics, large strength loss, small relative elongation, and electrical insulation.

Inactive Publication Date: 2016-05-04
CHANGSHU DONGYU INSULATED COMPOUND MATERIALS
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  • Abstract
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Problems solved by technology

[0002] Alkali-free glass fiber has excellent characteristics such as temperature resistance, corrosion resistance, high tensile strength, small relative elongation, and good electrical insulation. It is widely used in industry, but the temperature resistance of alkali-free glass fiber has its limitations. Limitation, the strength loss is great above 400°C, which limits the application of alkali-free glass fiber fabrics in high temperature, fire prevention, flame retardant and other fields

Method used

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  • Alkali-free glass fiber woven roving stitch-bonded compound felt

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Embodiment Construction

[0013] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0014] see figure 1 , the embodiment of the present invention comprises: a kind of non-alkali glass fiber check cloth stitch-bonded composite felt, comprises non-alkali glass fiber check cloth layer 1, and described non-alkali glass fiber check cloth layer 1 is stitched with flame-retardant Layer 2, the flame-retardant layer 2 provides flame-retardant ability for the non-alkali glass fiber grid layer 1, so that the non-alkali glass fiber grid cloth stitching composite mat overcomes the non-alkali glass fiber fabric. Defects in applications such as high temperature, fire prevention, and flame retardancy.

[0015] The non-alkali glass fiber grid c...

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Abstract

The invention discloses an alkali-free glass fiber woven roving stitch-bonded compound felt. The alkali-free glass fiber woven roving stitch-bonded compound felt comprises an alkali-free glass fiber woven roving layer. Fire-retardant layers are stitch-bonded to the upper and lower surfaces of the alkali-free glass fiber woven roving layer. The alkali-free glass fiber woven roving layer is obtained through weaving of glass fibers prepared from quartz sand, chrismatite, limestone, dolomite and a flux. The glass fiber comprises, by weight, 53-55% of SiO2, 17-20% of Al2O3, 10-27% of CaO, 3-10% of MgO, 5-10% of B2O3 and 0.1-2% of Na2O. Through a stitch-bonding process on the alkali-free glass fiber woven roving and the fire-retardant layers, the alkali-free glass fiber woven roving stitch-bonded compound felt solves the problem that the existing alkali-free glass fiber fabric cannot be used in the fields of high temperature, fire prevention and flame retardation.

Description

technical field [0001] The invention relates to a composite felt, in particular to a non-alkali glass fiber grid cloth stitched composite felt. Background technique [0002] Alkali-free glass fiber has excellent characteristics such as temperature resistance, corrosion resistance, high tensile strength, small relative elongation, and good electrical insulation. It is widely used in industry, but the temperature resistance of alkali-free glass fiber has its limitations. Limitations, the strength loss is great above 400°C, which limits the application of alkali-free glass fiber fabrics in high temperature, fire prevention, flame retardant and other fields. Contents of the invention [0003] The technical problem mainly solved by the invention is to provide a non-alkali glass fiber grid cloth stitch-bonded composite felt. [0004] In order to solve the above-mentioned technical problems, a technical solution adopted by the present invention is: a kind of non-alkali glass fib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B17/02B32B17/06C03C13/06
CPCB32B17/06B32B5/02B32B2262/101B32B2307/306B32B2307/3065C03C3/091C03C13/06
Inventor 吴祖明
Owner CHANGSHU DONGYU INSULATED COMPOUND MATERIALS
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