Characterization and Properties of Thermoplastic Polyether Elastomer/Polyoxymethylene Blends Prepared by Melt-Mixing Method

被引：13

作者：

Fang, Wei ^{[1
,2
]}

Fan, Xiaodong ^{[1
]}

Jiao, Hongqiao ^{[2
]}

Jin, Zhengwei ^{[2
]}

Yuan, Wei ^{[2
]}

Zhang, Angui ^{[2
]}

Zhou, Tao ^{[3
]}

机构：

[1] Northwestern Polytech Univ, Sch Nat & Appl Sci, Xian 710129, Peoples R China

[2] Ningxia Coal Ind Grp Corp, Yinchuan 750011, Peoples R China

[3] Sichuan Univ, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China

来源：

POLYMER SCIENCE SERIES A | 2019年 / 61卷 / 06期

关键词：

TOUGHENED POLYOXYMETHYLENE; MECHANICAL-PROPERTIES; THERMAL-DEGRADATION; POLYURETHANE BLENDS; ACRYLATE ELASTOMER; MORPHOLOGY; POLYACETAL; CRYSTALLINITY; STABILIZATION;

D O I：

10.1134/S0965545X20010034

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Thermoplastic polyester elastomer is a block copolymer comprising polyester hard segments and polyether soft segments. The soft section gives elasticity, making it rubbery; the hard section gives the same processing properties and mechanical strength as engineering plastic has. In this paper, the thermoplastic polyester elastomer/polyoxymethylene composites were prepared by melt extrusion and the content of thermoplastic polyester elastomer in the blends was 5, 10, 15, 20 and 25 wt %, respectively. The compatibility of composites was studied by DSC, FTIR, SEM and DMA. The mechanical tests showed that the notched impact strength and the elongation at break of the blends were significantly better than pure polyoxymethylene.

引用

页码：890 / 896

页数：7

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