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首页> 外文期刊>Journal of Applied Polymer Science >Study on a water-swellable rubber compatibilized by amphiphilic block polymer based on poly(ethylene oxide) and poly(butyl acrylate)
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Study on a water-swellable rubber compatibilized by amphiphilic block polymer based on poly(ethylene oxide) and poly(butyl acrylate)

机译：两性嵌段聚合物与聚环氧乙烷和聚丙烯酸丁酯相容的水溶胀橡胶的研究

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摘要

A water-swellable rubber (WSR), compatibilized by the amphiphilic block copolymer, has been prepared by blending a natural rubber (NR) matrix with crosslinked sodium polyacrylate (CSP), poly(ethylene oxide)-b-poly(butyl acrylate) (PEO-b-PBA), poly(ethylene glycol) (PEG), reinforced filler, and vulcanizing agents. The preparation process was described. The microphase structure of WSR was characterized by a scanning electron microscopy (SEM) photograph. The dependence of the degree of the water-absorbing and the water-swelling, the water-absorbing and water-swelling rates on CSP, PEG, and PEO-b-PBA contents were investigated, The compatibilizing mechanism of PEO-b-PBA on WSR was studied. And the optimum composition range was identified: CSP (30-60 phr), PEG (10-20 phr) PEO-b-PBA (PEO/PBA = 0.36, 5 phr). (C) 2002 Wiley Periodicals, Inc. [References: 9]
机译：通过将天然橡胶（NR）基体与交联聚丙烯酸钠（CSP），聚（环氧乙烷）-b-聚丙烯酸丁酯（共混物）共混，制备了由两亲嵌段共聚物增容的水溶胀性橡胶（WSR）（ PEO-b-PBA），聚乙二醇（PEG），增强填料和硫化剂。描述了制备过程。 WSR的微相结构通过扫描电子显微镜（SEM）照片表征。研究了吸水率和吸水率，吸水率和吸水率对CSP，PEG和PEO-b-PBA含量的依赖性，PEO-b-PBA的增容机理研究了WSR。并确定了最佳组成范围：CSP（30-60 phr），PEG（10-20 phr）PEO-b-PBA（PEO / PBA = 0.36，5 phr）。 （C）2002 Wiley Periodicals，Inc. [参考：9]

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