A polyacrylonitrile (PAN)-based carbon fiber composite mat

CN224476681UActive Publication Date: 2026-07-10云南石金炭素有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
云南石金炭素有限公司
Filing Date
2025-05-08
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Traditional carbon fiber products have limited structure and performance, making it difficult to meet the needs of special applications such as high-temperature insulation and filtration.

Method used

The multi-layered polyacrylonitrile (PAN)-based carbon fiber composite felt includes a soft felt layer, a reinforcing layer, an adhesive layer, and a smoothing layer. By combining high-temperature resistant adhesives and resin materials, it enhances mechanical strength and high-temperature resistance, and improves thermal insulation and filtration performance.

Benefits of technology

It achieves excellent heat insulation, filtration and sound absorption performance of polyacrylonitrile-based carbon fiber composite felt in high temperature environment, extends service life, and is suitable for pollution resistance in harsh environment.

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Abstract

The utility model discloses a kind of polyacrylonitrile (PAN) base carbon fiber composite felt, comprising: soft felt layer, reinforcing layer, adhesive layer;The upper and lower sides of the soft felt layer, at least one side is composited with reinforcing layer by adhesive layer.Mechanical strength and high-temperature resistance of the utility model in the polyacrylonitrile (PAN) base carbon fiber composite felt are improved by the composite of adhesive layer and reinforcing layer, and service life is prolonged.The smooth layer of surface treatment layer improves the pollution resistance of composite felt, and is suitable for use in harsh environment.
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