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Licensed Unlicensed Requires Authentication Published by De Gruyter July 28, 2021

Effect of EVA and DCP addition on injection moldability and tensile properties of recycled PE from disposable drip tapes

Shoujun Wu EMAIL logo , Jinlian Liang , Yingjun Feng , Delan Zhu and Bin Guo

Abstract

The effects of ethylene-vinyl acetate copolymer (EVA) and dicumyl peroxide (DCP) addition on injection moldability and tensile properties of recycled polyethylene (PE) from disposable drip tapes were studied. DCP showed an adverse impact on the injection moldability of recycled PE materials, while EVA had positive effects on it. Tensile properties of the reproduced PE increased with the increasing amount of EVA up to 10 wt.% and decreased beyond it. The DCP addition reduced the elastic properties of the reproduced PE, while it enhanced the tensile strength. Overall, the co-addition of 6 wt.% EVA + 0.4 wt.% DCP could improve the tensile strength of the reproduced PE materials.


Assoc. Prof. Dr. Shoujun Wu College of water resources and architectural engineering Northwest A&F University Yangling Shaanxi, 712100 People’s Republic of China Tel.: 86-29-87082902 Fax: 86-29-87082901

Funding statement: The authors gratefully acknowledge the support from National Key Technology Research and Development Program of the Ministry of Science and Technology of China (2015BAD22B01-02) and from the Fundamental Research Funds for the Central Universities (QN2013048).

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Received: 2020-09-22
Accepted: 2021-03-25
Published Online: 2021-07-28
Published in Print: 2021-07-31

© 2021 Walter de Gruyter GmbH, Berlin/Boston, Germany

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