通过控制界面层来改善动态硫化聚氨酯和硅橡胶弹性体的性能

Q2 Materials Science

Polymer-Plastics Technology and Engineering Pub Date : 2018-09-22 DOI:10.1080/03602559.2017.1410837

Lei Caihong, Xu Ruijie, Luo Xiaogang, Xie Jiayi

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引用次数: 4

摘要

摘要本文通过超支化聚氨酯与异氰酸酯改性硅油的反应制备了一种新型增容剂，并研究了其在动态硫化聚氨酯和硅橡胶弹性体中的应用。与不添加增容剂的动态硫化热塑性聚氨酯(TPU)/硅橡胶弹性体相比，添加3%有机硅改性的支化聚氨酯的拉伸强度从8.1提高到13.9 MPa，撕裂强度从56.2提高到75.2 kN/m。引入硅改性超支化聚氨酯作为间相层控制器，提高了TPU/硅橡胶弹性体的性能。图形抽象

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Improving Properties of Dynamic Vulcanized Polyurethane and Silicone Rubber Elastomer through Controlling Interphase Layer

ABSTRACT In this work, a new kind of compatibilizer was prepared through the reaction between hyperbranched polyurethane and isocyanate-modified silicone oil and its application in the dynamic vulcanized polyurethane and silicone rubber elastomer was investigated. Compared with that of dynamic vulcanized thermoplastic polyurethane (TPU)/silicone rubber elastomer without compatibilizer, the introduction of 3% silicone-modified hyperbranched polyurethane lead to the increase in tensile strength from 8.1 to 13.9 MPa and the tear strength from 56.2 to 75.2 kN/m. The introduction of silicone-modified hyperbranched polyurethane as an interphase layer controller leads to the improvement in properties of TPU/silicone rubber elastomer. GRAPHICAL ABSTRACT

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来源期刊

Polymer-Plastics Technology and Engineering 工程技术-高分子科学

CiteScore

1.71

自引率

0.00%

发文量

审稿时长

4 months