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hangyu138

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[交流] 【求助】 一段话的翻译

本文综述了聚乙烯醇的发展历程和国内外的研究现状。从聚合方法和引发方式两个方面介绍高聚合度聚乙烯醇的制备,以及合成低聚合度聚乙烯醇的方法的研究进展。同时从醇解过程着手简述了聚乙烯醇解工艺和醇解设备的研究和应用状况,并对我国聚乙烯醇行业的发展提出建设性的意见。

[ Last edited by wellok101 on 2009-3-16 at 19:19 ]
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yannan1984

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This paper reviews the development of polyvinyl alcohol history and research at home and abroad.  High degree of polymerization Preparation of polyvinyl alcohol was introduced from the polymerization method and the way  of initiation , as well as the synthesis of oligomeric PVA adaptation methods are reviewed. At the same time from  the process of  alcoholysis it reviewed the  alcoholysis process and equipment research and application statusthe of polyvinyl alcohol  , and offered constructive opinions to the development of China's Polyvinyl Alcohol Industry .
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