Graphene-coated glass wool felt resin composite material plate and preparation method thereof

A resin composite material and graphene coating technology, which is applied in the field of fiber-reinforced resin composite material board and its preparation, can solve the problems that high-performance resin-based composite materials are rarely mentioned, and can improve the bearing capacity at room temperature and high temperature. Life-enhancing effect

Inactive Publication Date: 2021-03-05
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI Technical Summary

Problems solved by technology

[0006] As shown in the above three patents, they all disclose related technical products in this field, but there is little mention of high-performance resin-based composite materials with electromagnetic shielding properties

Method used

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Embodiment 1

[0018] A glass wool felt resin composite plate covered by graphene, which is composed of a glass wool felt covered by graphene with a volume fraction of 10% and a resin matrix with a volume fraction of 90%, is characterized in that the graphene-coated The coated glass wool felt is composed of glass fiber felt and graphene, and the glass fiber felt is composed of glass fiber monofilament and binder, and the binder is evenly coated on the surface of glass fiber monofilament and different glass fibers At the overlapping joints between monofilaments, the binder is modified phenolic resin, and the graphene is uniformly coated on the surface of the binder to form a continuous coating structure. This graphene-coated glass wool felt The preparation method of resin composite board comprises the steps of following order:

[0019] (1) First soak the above-mentioned glass fiber felt in a certain concentration of hydrochloric acid solution, then soak the glass fiber felt in a certain conce...

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Abstract

The invention discloses a graphene-coated glass wool felt resin composite material plate and a preparation method thereof. The composite material plate is composed of graphene-coated glass wool felt with the volume fraction of 10-25% and a resin matrix with the volume fraction of 75-90%. The composite material plate is characterized in that the graphene-coated glass wool felt is composed of glassfiber cotton felt and graphene, and the glass fiber cotton felt is composed of glass fiber monofilaments and a binder; and the graphene uniformly coats the surface of the binder to form a continuous coating structure. The preparation method comprises the following steps of: (1) modifying the surfaces of glass fibers; (2) modifying the glass fibers with graphene oxide; (3) reducing the graphene oxide; and (4) carrying out vacuum impregnation, heating and curing on a resin prepreg. The graphene-coated glass wool felt is adopted as a reinforcing phase, the high-temperature resistance and the mechanical property of the composite material plate are improved, and the electromagnetic shielding performance of a composite material substrate is improved by filling resin.

Description

technical field [0001] The invention relates to a fiber-reinforced resin composite board and a preparation method thereof, in particular to a graphene-coated glass wool felt resin composite board and a preparation method thereof Background technique [0002] Electromagnetic pollution refers to the interference and harmful electromagnetic radiation caused by natural and artificial electromagnetic waves. With the development of science and technology such as radio, television, and microwave technology and the electronic industry, the rapid development of large-scale integrated circuits and the increasing popularity of electronic equipment have brought great convenience to people's lives, but there are still There is electromagnetic radiation pollution, and electromagnetic pollution has gradually become another kind of public hazard in human life. It is reported that strong electromagnetic radiation can damage human health, interfere with the sensitivity of electronic instrume...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L101/00C08K9/02C08K9/06C08K9/10C08K7/14C08K3/04
CPCC08K7/14C08K9/02C08K9/06C08K9/10C08L101/00C08K3/042
Inventor 陈照峰李顺
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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