RADIATION CROSSLINKING OF ISOTACTIC POLYPROPYLENE AND ITS BLEND SYSTEM

Lin Mingzhang; Jiang Huaiwei; Li Ximing; Liu Wansheng; Chen Wenming; Nishimoto Seiichi; Kagiya Tsutomu

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RADIATION CROSSLINKING OF ISOTACTIC POLYPROPYLENE AND ITS BLEND SYSTEM

更新时间：2023-04-23

- RADIATION CROSSLINKING OF ISOTACTIC POLYPROPYLENE AND ITS BLEND SYSTEM
- Journal of Radiation Research and Radiation Processing Vol. 10, Issue 2, Pages: 70-76(1992)
- 作者机构：
  
  1.中国科学技术大学，合肥
  2.日本京都大学工学部
- 作者简介：
- 基金信息：
- DOI：
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Lin Mingzhang, Jiang Huaiwei, Li Ximing, et al. RADIATION CROSSLINKING OF ISOTACTIC POLYPROPYLENE AND ITS BLEND SYSTEM. [J]. Journal of Radiation Research and Radiation Processing 10(2):70-76(1992)
DOI：

Lin Mingzhang, Jiang Huaiwei, Li Ximing, et al. RADIATION CROSSLINKING OF ISOTACTIC POLYPROPYLENE AND ITS BLEND SYSTEM. [J]. Journal of Radiation Research and Radiation Processing 10(2):70-76(1992) DOI：

摘要

本文研究了等规聚丙烯（i-PP）及其共混复合体系（PP/HDPE，PP/EPDM）辐射交联凝胶生成动力学。对于半结晶结构的i-PP，辐射交联的溶胶分数s随辐照剂量R的变化，符合裂解度正比于辐照剂量R的,β,次方的假定（,β,是与高聚物结构相关的参数），即,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650043&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650045&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650044&type=,与R,β,具有很好的线性关系。对于i-PP共混体系，利于扫描电子显微镜和动态力学粘弹谱仪研究了其相结构特征和组分间的相互作用。结果表明，在一定剂量范围内共混体系的R,β,可以修正为：R,β,=∑X,i,R,βi,（x,i,，β,i,分别为共混物中第i组分的重量分数和β值）。用修正后的R,β,处理PP/HDPE，PP/EPDM共混体系的凝胶生成数据，结果,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650046&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650056&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650047&type=,与R,β,之间都具有很好的线性关系。

Abstract

The kinetics of gel formation in the radiation induced crosslinking reaction of isotactic polypropylene (i-PP) and its blend system was studied. The relationship between sol fraction (s) and irradiation dose (R) in radiation crosslinking of PP well agrees with assumption fracture density of polymer is proportional to R,β, where β is a parameter depending on the structure of a polymer, and good linear relation between ,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650057&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650059&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650058&type=, and R,β, of PP was obtained. In the case of PP/HDPE and PP/EPDM blends, based on the characteristics of phase structure and the interaction among the components, which were studied by scanning electronics microscope and dynamic viscoelastometer, the R,β, of i-PP blend can be modified as: R,β,=Σ x,i,R,βi, x,i, and β,i, are weight fraction and β value of i component in blend respectively. Using this modified R,β, good relations between ,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650048&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650063&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42650061&type=, and R,β, of PP/HDPE or PP/EPDM blends in radiation crosslinking reaction were also obtained.

关键词

辐射交联聚丙烯聚乙烯三元乙丙橡胶聚合物共混物

Keywords

Radiation crosslinkingPolypropylenePolyethyleneEthylene-propylene-diene terpolymerPolymer blend

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