Thermoplastic copolyester composite material and preparation method and application thereof

A technology of thermoplastic copolyester and thermoplastic polyether ester, which is applied in the field of thermoplastic copolyester composite materials and its preparation, and can solve problems such as poor compatibility and poor impact resistance

Active Publication Date: 2021-05-14
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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  • Thermoplastic copolyester composite material and preparation method and application thereof
  • Thermoplastic copolyester composite material and preparation method and application thereof
  • Thermoplastic copolyester composite material and preparation method and application thereof

Examples

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Embodiment Construction

[0031] The present invention will be described in detail below in conjunction with 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 those skilled in the art can make several modifications and improvements 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 polyether ester 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 molar ratio of isophthalic acid to the diacid component is 2 mol%, self-made;

[0035] A2: The ...

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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 polyether ester; 6-50 parts of a styrene-acrylonitrile-glycidyl methacrylate copolymer; 8-20 parts of an ethylene-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 has the advantage 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 its preparation method and application. Background technique [0002] Thermoplastic polyether ester composite materials have excellent mechanical properties and fatigue resistance, and have been used more and more in sports goods, office seats, wire harness sheaths, automotive pipelines and other fields. 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, there are more and more demands for using thermoplastic polyether ester to produce pipes, thin-walled sheets, and complex special-shaped pipes. Due to the fluctuation of the melt viscosity with the process conditions during the processing, it is easy to lead to the uneven wall thickness of the thin-walled sheet and complex spec...

Claims

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Application Information

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Patent Type & Authority Applications(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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