A thermoplastic copolyester composite material and its preparation method and application

A technology of thermoplastic copolyester and thermoplastic polyether ester, which is applied in the field of thermoplastic copolyester composite materials and its preparation, can solve the problems of poor impact resistance and poor compatibility, so as to improve adhesion and maintain Modulus, effect of improving impact resistance at low temperature

Active Publication Date: 2022-08-09
KINGFA SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the relatively high polarity of thermoplastic polyether ester, its compatibility with vinyl ionomers is not good, which will lead to the problem of poor impact resistance of materials under low temperature impact conditions

Method used

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  • A thermoplastic copolyester composite material and its preparation method and application
  • A thermoplastic copolyester composite material and its preparation method and application
  • A thermoplastic copolyester composite material and its preparation method and application

Examples

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Embodiment Construction

[0031] The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0032] The raw materials used in Examples and Comparative Examples are self-made according to the method in the "Summary of the Invention" part, and the detailed parameters are as follows:

[0033] Thermoplastic Polyetherester A:

[0034] A1: the molecular weight of polytetrahydrofuran ether is 500g / mol, the weight content of polytetrahydrofuran ether unit is 35wt%, the molecular weight is 10,000, the mol ratio of isophthalic acid accounting for the diacid component is 2 mol%, self-made;

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Abstract

The invention discloses a thermoplastic copolyester composite material, which comprises the following components in parts by weight: 100 parts of thermoplastic polyetherester; 6-50 parts of styrene-acrylonitrile-glycidyl methacrylate copolymer; ethylene 8-20 parts of glycidyl methacrylate copolymer; the thermoplastic polyether ester is a polycondensate of terephthalic acid / isophthalic acid / 1,4-butanediol / polytetrahydrofuran ether glycol. The thermoplastic copolyester composite material of the present invention has the advantages of good low temperature impact resistance.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a thermoplastic copolyester composite material and a preparation method and application thereof. Background technique [0002] Thermoplastic polyetherester composite material has excellent mechanical properties, fatigue resistance, etc., and has been used more and more in the fields of sporting goods, office seats, wire harness sheaths, and automotive pipelines. However, since thermoplastic polyetherester materials are generally crystalline materials, the melt viscosity of the material varies greatly with temperature and shear rate. [0003] At present, thermoplastic polyetherester is used to produce pipes and thin-walled sheets, and the demand for complex special-shaped pipes is increasing. Due to the fluctuation of melt viscosity with process conditions during processing, it is easy to cause uneven wall thickness of thin-walled sheets and complex special-shaped parts...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/02C08L25/14C08L23/08
CPCC08L67/025C08L2205/03C08L25/14C08L23/0884
Inventor 赵巍黄险波叶南飚郑明嘉叶林铭邱贤亮王刚陈炜鑫
Owner KINGFA SCI & TECH CO LTD
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