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Conductive polycarbonate-base granules containing multi-dimensional carbon nanomaterial and preparing method and application thereof

A technology of carbon nanomaterials and polycarbonate, applied in the field of injection molding masterbatch, can solve the problems of inconvenient injection molding, poor product appearance, easy precipitation, etc., achieve excellent antistatic performance or electromagnetic shielding performance, eliminate surface precipitation, The effect of plastic enrichment suppression

Active Publication Date: 2016-11-23
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, antistatic polycarbonate has a large application market in industrial production, but there are many deficiencies in existing antistatic polycarbonate products, such as: the addition of a large amount of conductive agent, low melt index and poor fluidity, resulting in It is inconvenient for injection molding or the shape of the product after injection molding is poor, and after injection molding, due to the enrichment of surface plastic, the surface resistance is large, and the conductive dose is large and easy to precipitate, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1 The conductive polycarbonate-based pellets containing multidimensional carbon nanomaterials include the following components (by weight):

[0025] 3 parts of multi-dimensional nano-carbon material

[0026] PBT (Changchun Chemical Industry 100-211M) 10 copies

[0027] MBS (EXL-2620, Rohm and Haas) 2 copies

[0028] Nano silicon dioxide (average particle size 637nm) 0.5 parts

[0029] Polycarbonate (Korea LG 1201-15) 84.5 parts;

[0030] Among them, multi-dimensional nano-carbon materials include:

[0031] Nano conductive carbon black (T80) 0.9 part,

[0032] 1.2 parts of carbon nanotubes (average length 861nm),

[0033] 0.9 parts of graphene (prepared by Ningbo Institute of Materials Science, Chinese Academy of Sciences, with an average thickness of 3 nm and an average diameter of 5 μm).

[0034] The preparation process of the conductive polycarbonate-based pellets includes: first, the polycarbonate is vacuum-dried at 120°C for 4 hours, then the raw ma...

Embodiment 2

[0035] Embodiment 2 The conductive polycarbonate-based pellets containing multidimensional carbon nanomaterials include the following components (by weight):

[0036] 3 parts of multi-dimensional carbon nanomaterials (including 0.9 parts of nano-conductive carbon black, 0.9 parts of carbon nanotubes, and 1.2 parts of graphene)

[0037] PBT (Changchun Chemical Industry 100-211M) 10 copies

[0038] MBS (EXL-2620, Rohm and Haas) 2 copies

[0039] Talc powder (average particle size 49μm) 3 parts

[0040] Polycarbonate (Korea LG 1201-15) 82 parts;

[0041] Among them, multi-dimensional nano-carbon materials include:

[0042] Nano conductive carbon black (T80) 0.9 part,

[0043] 0.9 parts of carbon nanotubes (average length 861nm),

[0044] 1.2 parts of graphene (prepared by Ningbo Institute of Materials Science, Chinese Academy of Sciences, with an average thickness of 3 nm and an average diameter of 5 μm).

[0045] The preparation process of the conductive polycarbonate-base...

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Abstract

The invention discloses conductive polycarbonate-base granules containing a multi-dimensional carbon nanomaterial and a preparing method and application thereof. The granules comprise the nanometer multi-dimensional carbon material, a flexibilizer, a second dispersant, an auxiliary and polycarbonate, wherein the nanometer multi-dimensional carbon material is mainly formed by physical blending of nanometer conductive carbon black, carbon nano tubes and graphene. The adding amount of conductive agent in the conductive polycarbonate-base granules is small, injection molding is easy, a product formed through injection molding has excellent anti-static property or electromagnetic shielding property, and surface plastic gathering and conductive agent surface blooming are inhibited greatly or even eliminated compared with existing products.

Description

technical field [0001] The present invention relates to an injection molding masterbatch, in particular to a conductive polycarbonate-based pellet for injection molding containing multi-dimensional carbon nanomaterials and its preparation method and application. For example, it can be used in the fields of automobile industry, electronic products and oil and gas industry after injection The application in the field belongs to the field of general engineering plastics. Background technique [0002] Polycarbonate is a commonly used engineering plastic with a very wide range of applications and a very fast development momentum. It is widely used in glass assembly industry, automobile industry and electronics, electrical industry, etc. When polycarbonate is applied to antistatic materials, its surface resistance needs to reach 10 6 ~10 9 Ω, so as to achieve better anti-static function. At present, antistatic polycarbonate has a large application market in industrial producti...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08K13/04C08K3/04C08K7/24C08K3/36C08K3/34
Inventor 黄骏成张若愚胡人皓朱锦王宁
Owner NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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