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Carbon nanotube modified polytricyclopentadiene PTCPD composite material and preparation method thereof

A technology for modifying polytricyclopentadiene and carbon nanotubes, applied in the field of polymer materials, can solve the problems of large flexural modulus, good fracture toughness, insufficient toughness, etc.

Pending Publication Date: 2021-05-18
ZHEJIANG HUTONG MOULD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present application provides a carbon nanotube modified polytricyclopentadiene PTCPD composite material and its preparation method, which solves the technical problems of insufficient material stiffness and toughness of polydicyclopentadiene PDCPD in the prior art, The carbon nanotube modified polytricyclopentadiene PTCPD composite material has a large flexural modulus and good fracture toughness, and also has excellent properties such as acid resistance, alkali resistance, salt water corrosion resistance, halogen gas corrosion resistance, fatigue resistance, and high storage modulus. , a wide range of applications

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  • Carbon nanotube modified polytricyclopentadiene PTCPD composite material and preparation method thereof

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Embodiment 1

[0044] The embodiment of the present application provides a method for preparing a carbon nanotube modified polytricyclopentadiene PTCPD composite material, the steps are:

[0045] Step S1: pretreating the carbon nanotubes;

[0046] Step S101: Add 0.8 g of carbon nanotubes to 480 ml of 50% nitric acid, ultrasonically disperse for 8 minutes, and reflux at 110°C for 6 hours. The product is filtered and washed until neutral, and dried in a vacuum oven at 100°C for 24 hours , to obtain acid-oxidized carbon nanotubes;

[0047] Step S102: Add acid-oxidized carbon nanotubes into a container containing thionyl chloride and a co-catalyst, and react under a nitrogen atmosphere. After the reaction, the product is distilled under reduced pressure to remove SOCl 2 After obtaining acid chloride modified carbon nanotubes;

[0048] Step S103: adding the acid chloride-modified carbon nanotubes into a reaction vessel filled with ethylene glycol and pyridine for reflux reaction. After the reac...

Embodiment 2

[0052] The embodiment of the present application provides a method for preparing a carbon nanotube modified polytricyclopentadiene PTCPD composite material, the steps are:

[0053] Step S1: pretreating the carbon nanotubes;

[0054] Step S101: Add 1 g of carbon nanotubes to 600 ml of 50% nitric acid, ultrasonically disperse for 10 minutes, and reflux at 120° C. for 7 hours. The product is filtered and washed until neutral, and dried in a vacuum oven at 100° C. for 24 hours. Obtain acid oxidized carbon nanotubes;

[0055] Step S102: Add acid-oxidized carbon nanotubes into a container containing thionyl chloride and a co-catalyst, and react under a nitrogen atmosphere. After the reaction, the product is distilled under reduced pressure to remove SOCl 2 After obtaining acid chloride modified carbon nanotubes;

[0056] Step S103: adding the acid chloride-modified carbon nanotubes into a reaction vessel filled with ethylene glycol and pyridine for reflux reaction. After the react...

Embodiment 3

[0060] The embodiment of the present application provides a method for preparing a carbon nanotube modified polytricyclopentadiene PTCPD composite material, the steps are:

[0061] Step S1: pretreating the carbon nanotubes;

[0062] Step S101: Add 1.2 g of carbon nanotubes to 720 ml of nitric acid with a concentration of 50%, ultrasonically disperse for 12 minutes, and reflux at 125° C. for 8 hours. The product is filtered and washed until neutral, and dried in a vacuum oven at 100° C. for 24 hours , to obtain acid-oxidized carbon nanotubes;

[0063] Step S102: Add acid-oxidized carbon nanotubes into a container containing thionyl chloride and a co-catalyst, and react under a nitrogen atmosphere. After the reaction, the product is distilled under reduced pressure to remove SOCl 2 After obtaining acid chloride modified carbon nanotubes;

[0064] Step S103: adding the acid chloride-modified carbon nanotubes into a reaction vessel filled with ethylene glycol and pyridine for re...

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Abstract

The invention discloses a carbon nano tube modified polytricyclopentadiene PTCPD composite material and a preparation method thereof, the composite material comprises carbon nano tubes and tricyclopentadiene, the carbon nano tubes are dispersed in a tricyclopentadiene matrix, and under the action of a catalyst, a polytricyclopentadiene / carbon nano tube nano composite material is polymerized. The preparation method comprises the following steps: firstly, pretreating the carbon nanotubes; then,modifying the pretreated carbon nano tubes through norbornene; and finally, adding the norbornene modified carbon nano tubes into liquid tricyclopentadiene TCPD, adding a catalyst, uniformly mixing, and curing to obtain the polytricyclopentadiene / carbon nano tube nano composite material. The carbon nanotube modified polytricyclopentadiene PTCPD composite material provided by the invention has the advantages of large flexural modulus, good fracture toughness, high glass transition temperature, acid resistance, alkali resistance, brine corrosion resistance, halogen gas corrosion resistance, fatigue resistance, high storage modulus 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 carbon nanotube 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, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L45/00C08K3/04
CPCC08K3/041C08K2201/011
Inventor 陈喆
Owner ZHEJIANG HUTONG MOULD CO LTD