Reusing ground tire rubber powder as thermoplastic elastomers with excellent superhydrophobicity and self-cleaning performance

IF 1.1 4区材料科学 Q4 MATERIALS SCIENCE, COMPOSITES

Progress in Rubber Plastics and Recycling Technology Pub Date : 2021-07-01 DOI:10.1177/14777606211019422

Xingshuo Zhang, Ruotao Feng, Zhaobo Wang

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引用次数: 2

Abstract

A simple, effective and inexpensive method was proposed to reuse ground tire rubber (GTR) powder by preparing a superhydrophobic surface via a molding process. The obtained superhydrophobic surface was based on low-density polyethylene (LDPE) / ground tire rubber (GTR) thermoplastic elastomers (TPEs) where the styrene-butadiene-styrene block copolymer (SBS) was used as compatibilizer and series sandpapers were used as templates. The mechanical properties, hydrophobic properties, surface morphology and self-cleaning property were investigated systematically. The results showed that both of the mechanical properties and superhydrophobicity could be greatly improved with a certain amount of SBS. The superhydrophobic surface based on molded LDPE/SBS/GTR (weight ratio = 40/15/60) TPE exhibited excellent superhydrophobicity (with a contact angle of 164.6° ± 3.0° and a tilt angle of 4.4° ± 1.9°). Furthermore, abundant tearing microstructure could be found obviously by morphology observation. Optical images indicated the surface possessed of low adhesion force and self-cleaning property.

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将磨碎的轮胎胶粉重新用作热塑性弹性体，具有优异的超疏水性和自清洁性能

提出了一种简单、有效和廉价的方法，即通过模塑工艺制备超疏水表面来回收轮胎磨粉。以低密度聚乙烯(LDPE) /磨胎橡胶(GTR)热塑性弹性体(TPEs)为基材，以苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS)为相容剂，以系列砂纸为模板，制备了超疏水表面。系统地研究了材料的力学性能、疏水性、表面形貌和自清洁性能。结果表明，SBS的加入大大提高了材料的力学性能和超疏水性。以LDPE/SBS/GTR(重量比为40/15/60)为基材的超疏水表面(接触角为164.6°±3.0°，倾角为4.4°±1.9°)表现出优异的超疏水性能。此外，通过形貌观察可以明显发现丰富的撕裂组织。光学图像表明，表面具有低附着力和自清洁性能。

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来源期刊

Progress in Rubber Plastics and Recycling Technology MATERIALS SCIENCE, COMPOSITES-POLYMER SCIENCE

CiteScore

4.40

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The journal aims to bridge the gap between research and development and the practical and commercial applications of polymers in a wide range of uses. Current developments and likely future trends are reviewed across key areas of the polymer industry, together with existing and potential opportunities for the innovative use of plastic and rubber products.