High-strength antistatic polyethylene terephthalate composite material and preparation method thereof

A technology of ethylene glycol phthalate and composite materials, applied in the field of high-strength antistatic polyethylene terephthalate composite materials and its preparation, can solve the problem of static electricity that is difficult to dissipate, easy to charge static electricity, and PET water absorption Poor performance and other problems, to achieve the effect of simple process, excellent antistatic property and easy operation

Inactive Publication Date: 2018-11-30
长春智享优创科技咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the application of PET in the fiber field is limited. The reason is that the water absorption of PET is poor, and the static electricity generated after contacting or rubbing with other objects is difficult to dissipate, and it is easy to be charge...

Method used

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  • High-strength antistatic polyethylene terephthalate composite material and preparation method thereof
  • High-strength antistatic polyethylene terephthalate composite material and preparation method thereof
  • High-strength antistatic polyethylene terephthalate composite material and preparation method thereof

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preparation example Construction

[0036] The present invention also provides a preparation method of the above-mentioned high-strength antistatic polyethylene terephthalate composite material, the steps are as follows:

[0037] Step 1. According to the composition and parts by weight, the dried polyethylene terephthalate and the coupling agent are mixed in a high mixer to obtain the first mixture;

[0038] Step 2. Mix the nucleating agent, sodium dodecylbenzenesulfonate, ethylene glycol ethyl ether, antioxidant, compatibilizer, anti-fiber exposure agent, heat stabilizer and the first mixture according to the composition and parts by weight to obtain the second mixture;

[0039] Step 3. Melting, extruding and granulating the obtained second mixture with polyaniline fibers and carbon fibers to obtain a high-strength antistatic polyethylene terephthalate composite material. The extrusion temperature is preferably 220-260°C.

Embodiment 1

[0042] High strength antistatic polyethylene terephthalate, consists of 70 parts by weight polyethylene terephthalate, 5 parts by weight nucleating agent nano-calcium carbonate, 10 parts by weight polyaniline fiber (8 μm), 1 weight part Parts of carbon fiber, 2 parts by weight of sodium dodecylbenzenesulfonate, 1.5 parts by weight of ethylene glycol ether, 1 part by weight of antioxidant, 2 parts by weight of coupling agent KH550, 2 parts by weight of compatibilizer maleic anhydride grafted linear It consists of low-density polyethylene, 0.5 parts by weight of anti-fiber exposure agent TAF and 0.5 parts by weight of heat stabilizer triphenyl phosphite.

[0043] Preparation of the above-mentioned high-strength antistatic polyethylene terephthalate composite material:

[0044] Step 1. According to the composition and parts by weight, the dried polyethylene terephthalate and the coupling agent are mixed in a high mixer to obtain the first mixture;

[0045] Step 2. Mix the nuclea...

Embodiment 2

[0048] High strength antistatic polyethylene terephthalate, consists of 90 parts by weight polyethylene terephthalate, 7 parts by weight of nucleating agent nano-calcium carbonate, 20 parts by weight polyaniline fiber (10 μm), 2 parts by weight Parts of carbon fiber, 2.5 parts by weight of sodium dodecylbenzenesulfonate, 2 parts by weight of ethylene glycol ether, 2 parts by weight of antioxidant, 2.5 parts by weight of coupling agent KH550, 4 parts by weight of compatibilizer maleic anhydride grafted linear It consists of low-density polyethylene, 1 part by weight of anti-fiber exposure agent TAF and 1 part by weight of heat stabilizer triphenyl phosphite.

[0049] Preparation of the above-mentioned high-strength antistatic polyethylene terephthalate composite material:

[0050] Step 1. According to the composition and parts by weight, the dried polyethylene terephthalate and the coupling agent are mixed in a high mixer to obtain the first mixture;

[0051]Step 2. Mix the nu...

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Abstract

The invention relates to a high-strength antistatic polyethylene terephthalate composite material and a preparation method thereof, and belongs to the technical field of composite materials. The invention solves the problem of improving the antistatic property of a polyethylene terephthalate composite material on the basis of ensuring the strength of the polyethylene terephthalate composite material. The composite material disclosed by the invention consists of the following components: 70-90 parts by weight of polyethylene terephthalate, 5-7 parts by weight of a nucleating agent, 10-20 partsby weight of polyaniline fibers, 1-2 parts by weight of carbon fibers, 2-2.5 parts by weight of sodium dodecyl benzene sulfonate, 1.5-2 parts by weight of 2-ethoxyethanol, 1-2 parts by weight of an antioxidant, 2-2.5 parts by weight of a coupling agent, 2-4 parts by weight of a solubilizer, 0.5-1 part by weight of an anti-fiber exposure agent and 0.5-1 part by weight of a heat stabilizer. The composite material has both high strength and excellent antistatic property.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to a high-strength antistatic polyethylene terephthalate composite material and a preparation method thereof. Background technique [0002] Polyethylene terephthalate, by transesterification of dimethyl terephthalate and ethylene glycol or esterification of terephthalic acid and ethylene glycol to synthesize bishydroxyethyl terephthalate, and then Prepared by polycondensation reaction, the chemical formula is [COC 6 h 4 COOCH 2 CH 2 O]n, referred to as PET, is a highly crystalline aromatic polyester with a smooth and shiny surface; it has good creep resistance, fatigue resistance, friction resistance, dimensional stability, and chemical resistance. It has excellent physical and mechanical properties in the temperature range, excellent electrical insulation, even at high temperature and high frequency, its electrical properties are still good, it can be co...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L79/02C08K7/06
CPCC08L67/02C08L2201/04C08L2205/16C08L79/02C08K7/06
Inventor 李英霞
Owner 长春智享优创科技咨询有限公司
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