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Conductive thermoplastic resin composition as well as preparation method and application thereof

A thermoplastic resin and composition technology, which is applied in the field of conductive plastics, can solve the problems of rising resistivity and easy falling off of carbon black on the surface of products, and achieves high tensile strength and improves the effect of greatly increasing resistance.

Pending Publication Date: 2022-03-25
KINGFA SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a conductive thermoplastic resin composition and its preparation method and application, so as to overcome the significant increase in resistivity and the surface carbon of the product in the prior art after the conductive carbon black filled conductive polymer material is stretched and processed. Black is easy to fall off defect

Method used

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  • Conductive thermoplastic resin composition as well as preparation method and application thereof
  • Conductive thermoplastic resin composition as well as preparation method and application thereof
  • Conductive thermoplastic resin composition as well as preparation method and application thereof

Examples

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Embodiment Construction

[0034] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0035] Reagent source:

[0036] PP1: homopolypropylene, melt flow rate 35g / 10min, H32GA, Liaoning Huajin Chemical Industry.

[0037] PP2: homopolymer polypropylene, melt flow rate 3g / 10min, K1003, Yanshan Petrochemical Company.

[0038] PP3: Homopolypropylene, melt flow rate 1.3g / 10min, 1300, Yanshan Petrochemical Company.

[0039] PP4: Homopolypropylene, melt flow rate 45g / 10min, ADXP770, Liaoning Huajin Company.

[0040] ...

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Abstract

The invention relates to a conductive thermoplastic resin composition as well as a preparation method and application thereof. The composition comprises the following components in parts by weight: 40-90 parts of polypropylene; 0.05 to 2 parts of a carbon nano tube; 10 to 30 parts of conductive carbon black; 2 to 20 parts of a cycloolefin copolymer; and 0.5 to 2 parts of an ethyoxyl amide compound. The composition is high in resistance retention rate, high in tensile strength and small in carbon black shedding amount after being subjected to stretching processing.

Description

technical field [0001] The invention belongs to the field of conductive plastics, in particular to a conductive thermoplastic resin composition and its preparation method and application. Background technique [0002] Conductive plastics have the advantages of ordinary plastics (light weight, low price, corrosion resistance, easy molding, etc.), and have metal-like conductive properties, so they are widely used in electronics, chemical and energy fields. Conductive plastics need to go through different processing steps to make products of different shapes according to application requirements, such as injection molding, spinning, extrusion and stretching. Among them, during the stretching (especially high stretching ratio) process of the conductive carbon black filled conductive material, due to the internal microstructure changes under the tensile load, the resistivity after stretching is greatly increased compared with that before stretching, and There is the problem of c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L45/00C08K5/20C08K3/04
CPCC08L23/12C08K2201/011C08K2201/001C08L45/00C08K5/20C08K3/04C08K3/041
Inventor 钟毅文陈平绪叶南飚谭松刘文君许国智李名敏郑明嘉李晟
Owner KINGFA SCI & TECH CO LTD
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