2020 Thermoplastic Elastomers Conference

Chi Jui (Ray) Hsieh

Chi Jui (Ray) Hsieh

LCY Group

An Ultra High Molecular Weight SEBS Polymer for High Temperature TPE Applications


Many automotive and medical TPE applications require good balance of high temperature performance and processability. Conventional styrene-ethylene-butylene-styrene (SEBS) block copolymers are limited in performance at higher service temperatures. Ultra-high molecular weight SEBS can be used to achieve low compression set at high temperatures and a wider range of hardness in compounds, as well as compatibility with TPV. This presentation compares properties and processability of various compounds based on a conventional SEBS polymer, an ultra-high molecular weight SEBS polymer, and blends with TPV compounds.

About the Speaker

Ray Hsieh has been with LCY’s TPE technical service department since 2012. His group specializes in advanced materials, working with various specialty grades to optimize and enhance product characteristics. He also directly interfaces with customers to provide recommendations and troubleshooting. He’s worked with SBS, SIS, and SEBS in a variety of applications including film, automotive, compounds, foam, and medical compounds. His knowledge and experience are vital to LCY’s new product development and promotion.

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