RADIATION INDUCED EMULSION POLYMERIZATION OF VINYL ACETATE Ⅲ. STRUCTURE AND PROPERTIES OF POLY (VINYL ACETATE) AND POLY (VINYL ALCOHOL)

Cheng Jiyu; Sun Jiazhen; Chang Zicheng

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RADIATION INDUCED EMULSION POLYMERIZATION OF VINYL ACETATE Ⅲ. STRUCTURE AND PROPERTIES OF POLY (VINYL ACETATE) AND POLY (VINYL ALCOHOL)

更新时间：2023-04-23

- RADIATION INDUCED EMULSION POLYMERIZATION OF VINYL ACETATE Ⅲ. STRUCTURE AND PROPERTIES OF POLY (VINYL ACETATE) AND POLY (VINYL ALCOHOL)
- Journal of Radiation Research and Radiation Processing Vol. 3, Issue 1, Pages: 15-20(1985)
- 作者机构：
  
  1.中国科学院长春应用化学研究所
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Cheng Jiyu, Sun Jiazhen, Chang Zicheng. RADIATION INDUCED EMULSION POLYMERIZATION OF VINYL ACETATE Ⅲ. STRUCTURE AND PROPERTIES OF POLY (VINYL ACETATE) AND POLY (VINYL ALCOHOL). [J]. Journal of Radiation Research and Radiation Processing 3(1):15-20(1985)
DOI：

Cheng Jiyu, Sun Jiazhen, Chang Zicheng. RADIATION INDUCED EMULSION POLYMERIZATION OF VINYL ACETATE Ⅲ. STRUCTURE AND PROPERTIES OF POLY (VINYL ACETATE) AND POLY (VINYL ALCOHOL). [J]. Journal of Radiation Research and Radiation Processing 3(1):15-20(1985) DOI：

摘要

本文测定了辐射引发乳液聚合所得聚醋酸乙烯酯（PVAc）及其水解产物聚乙烯醇（PVA）的立规结构，序列结构，结晶度，溶解度，断裂强度，伸长率，钢-钢粘结强度，热转变温度等，并与化学法聚合产物的相应结构与性能作了比较，发现辐射法产物具有头-头结构含量较低，结晶度大，粘接强度较高等特点，并讨论了结构与性能之间的关系。

Abstract

Poly (vinyl acetate)-PVAc and poly (vinyl alcohol)-PVA derived therefrom has been prepared by means of radiation induced emulsion polymerization as well as chemically initiated. The structure and properties of PVAc and PVA obtained by both methods are compared. It was found that PVAc prepared by radiation polymerization has lower 1, 2-diol content, higher degree of crystallinity, lower solubility in water, higher steel-steel adhesive strength, higher glass transition temperature and so on. Results of experiments showed some structure-property relationship of PVAc and PVA. For example, the solubility of PVA is mainly dependent on its crystallinity, which depends on the 1,2-diol content. The T,g, and adhesive strength also depend on the degree of branching and molecular weight, respectively.

关键词

聚醋酸乙烯酯聚乙烯醇乳液聚合辐射聚合聚合物结构聚合物性能

Keywords

Polyvinyl acetatePolyvinyl alcoholEmulsion polymerizationRadiation induced polymerizationStructure of polymerProperties of polymer

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