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Alloy composition and preparation method thereof

A composition and alloy technology, which is applied in the field of alloy composition and its preparation, can solve the problems of shelling, poor compatibility of polyester, and easy delamination, etc., achieve good low-temperature toughness and tensile elongation at break, and improve The effect of processing quality and simple process

Active Publication Date: 2021-03-30
会通新材料(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the low hardness TPEE contains a large amount of polyether soft satin, its compatibility with polyester is poor, and it is prone to delamination and shelling during extrusion granulation.

Method used

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  • Alloy composition and preparation method thereof
  • Alloy composition and preparation method thereof
  • Alloy composition and preparation method thereof

Examples

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Embodiment Construction

[0025] In order to facilitate understanding of the present invention, the present invention will be described more fully below in conjunction with specific embodiments. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the present invention is only for the purpose of describing specific embodiments, and is not intended to limit the present invention.

[0027] Each component in the following examples and comparative examples is respectively:

[0028] Component A:

[0029] A1: TPEE, grade H28DMG, Shore hardness 28D, purc...

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Abstract

The invention discloses an alloy composition and a preparation method thereof. The alloy composition comprises the following components in parts by weight: 70-95 parts of polyester, 10-25 parts of TPEE, 1-5 parts of compatilizer and 0.3-0.5 part of antioxidant. According to the alloy composition, the low-hardness polyether ester elastomer and polyester have relatively high compatibility, so that the alloy composition has relatively high notch impact strength and elongation at break, the phenomena of layering, shelling and the like of the extruded alloy composition are avoided, and the alloy composition has remarkable progress.

Description

technical field [0001] The invention belongs to the field of polymer materials, and in particular relates to an alloy composition and a preparation method thereof. Background technique [0002] Polyester thermoplastic elastomer (TPEE), also known as polyester rubber, is a type of linear block containing PBT (polybutylene terephthalate) polyester hard segment and aliphatic polyester or polyether soft segment copolymer. TPEE has both the excellent elasticity of rubber and the ease of processing of thermoplastics, with adjustable hardness and design freedom. It is a new variety of thermoplastic elastomers that has attracted much attention. [0003] Because polyesters such as polybutylene terephthalate or polyethylene terephthalate have low intrinsic viscosity, low impact strength, and poor toughness, they often need to be toughened during use. Conventional toughening agents such as POE-g-EMA has limited toughening effect and poor low temperature toughness. Due to its unique ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L67/00C08L51/06C08K5/134C08K5/372
CPCC08L67/02C08L2205/03C08L2205/08C08L67/00C08L51/06C08K5/1345C08K5/372
Inventor 宋剑峰张达孙刚伟郑伟
Owner 会通新材料(上海)有限公司
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