Graphite modified polytricyclopentadiene PTCPD composite material and preparation method thereof

A technology of polytricyclopentadiene and tricyclopentadiene is applied in the field of graphite-modified polytricyclopentadiene PTCPD composite material and its preparation, and can solve the problem of difficult thermal deformation, insufficient rigidity, poor heat resistance, etc. problems, to achieve the effects of not easy thermal deformation, enhanced wear resistance, and good heat resistance

Pending Publication Date: 2021-06-18
ZHEJIANG HUTONG MOULD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application solves the technical problems of insufficient material rigidity and poor heat resistance of polydicyclopentadiene PTCPD in the prior art by providing a graphite-modified polytricyclopentadiene PTCPD composite material and a preparation method thereof. Through graphite modification, the local crosslinking degree of the composite material is increased, and at the same time, the composite material has better heat resistance, the surface of the material is not easy to be thermally deformed, and the wear resistance is enhanced.

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  • Graphite modified polytricyclopentadiene PTCPD composite material and preparation method thereof

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Effect test

Embodiment 1

[0049] The embodiment of the present application provides a preparation method of graphite-modified polytricyclopentadiene PTCPD composite material, the steps are:

[0050] Step S1: pretreating the graphite; specifically:

[0051] Keep graphite at a temperature of 900°C for 60s to obtain expanded graphite;

[0052] Using silane coupling agent to modify the surface of expanded graphite;

[0053] Through surface modification, the expanded graphite and tricyclopentadiene TCPD monomer have good compatibility to achieve uniform dispersion;

[0054] Step S2: Mix the modified graphite and tricyclopentadiene TCPD monomer under the action of ultrasonic waves, the mass percentage of graphite in tricyclopentadiene TCPD monomer is 0.1%, and vacuumize to a vacuum degree of 0.8MPa , replaced with nitrogen, so that the mixture of graphite and TCPD monomer is in a nitrogen protection state;

[0055] Step S3: Prepare raw materials into two components A and B, component A contains the mixtur...

Embodiment 2

[0059] The embodiment of the present application provides a preparation method of graphite-modified polytricyclopentadiene PTCPD composite material, the steps are:

[0060] Step S1: pretreating the graphite; specifically:

[0061] Keep graphite at a temperature of 930°C for 45s to obtain expanded graphite;

[0062] The surface of expanded graphite is modified by titanate coupling agent;

[0063] Through surface modification, the expanded graphite and tricyclopentadiene TCPD monomer have good compatibility to achieve uniform dispersion;

[0064] Step S2: Mix the modified graphite and tricyclopentadiene TCPD monomer under the action of ultrasonic waves, the mass percentage of graphite in the tricyclopentadiene TCPD monomer is 0.3%, and vacuumize to a vacuum degree of 0.9MPa , replaced with nitrogen, so that the mixture of graphite and TCPD monomer is in a nitrogen protection state;

[0065] Step S3: The raw material is formulated into A and B two components, A component compr...

Embodiment 3

[0069] The embodiment of the present application provides a preparation method of graphite-modified polytricyclopentadiene PTCPD composite material, the steps are:

[0070] Step S1: pretreating the graphite; specifically:

[0071] Oxidize graphite to obtain graphite oxide; abundant polar groups such as hydroxyl and carboxyl groups are formed on the surface of graphite oxide, which expands the space for surface modification;

[0072] Use silane coupling agent to modify the surface of graphite oxide; through surface modification, graphite oxide and tricyclopentadiene TCPD monomer have good compatibility to achieve uniform dispersion effect;

[0073] Step S2: Mix the modified graphite and tricyclopentadiene TCPD monomer under the action of ultrasonic waves, the mass percentage of graphite in tricyclopentadiene TCPD monomer is 0.5%, and vacuumize to a vacuum degree of 0.9MPa , replaced with nitrogen, so that the mixture of graphite and TCPD monomer is in a nitrogen protection sta...

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Abstract

The invention discloses a graphite modified polytricyclopentadiene PTCPD composite material and a preparation method thereof. The composite material comprises graphite and tricyclopentadiene, and the graphite and the tricyclopentadiene are polymerized into a polytricyclopentadiene/graphite composite material under the action of a catalyst. The graphite is expanded graphite or graphite oxide modified by a surfactant or a coupling agent. The graphite modified polytricyclopentadiene composite material provided by the invention solves the technical problems of insufficient rigidity and poor heat resistance of a polydicyclopentadiene material in the prior art, and through graphite modification, the composite material has better heat resistance, the surface of the material is not easy to thermally deform, and the wear resistance is enhanced. The graphite modified polytricyclopentadiene composite material also has the excellent characteristics of acid resistance, alkali resistance, brine corrosion resistance, halogen gas corrosion resistance, fatigue resistance and the like, and is wide in application range.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a graphite-modified polytricyclopentadiene PTCPD composite material and a preparation method thereof. Background technique [0002] Polydicyclopentadiene PDCPD polymer material is a homopolymer or copolymer of dicyclopentadiene DCPD, which is a cross-linked three-dimensional network structure engineering plastic. Polydicyclopentadiene PDCPD is a material with good heat resistance, creep resistance, dimensional stability, shape memory, corrosion resistance, light weight, etc. It can be used to manufacture various high performance, high Added value, high-end fine products. Such as: automobile bumpers, guard plates, side panels, buffer plates, instrument panels, fenders, engine covers and body shells in the transportation industry; motors, air conditioners and other large electrical equipment shells in electrical equipment ; Components of snowmobiles, surfboards, golf ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L45/00C08K9/06C08K9/04C08K3/04C08F132/08
CPCC08K9/06C08K9/04C08K3/042C08F132/08C08L2201/08
Inventor 陈喆
Owner ZHEJIANG HUTONG MOULD CO LTD
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