A STUDY ON KINETICS OF GEL FORMATION OF LLDPE/EVA AND LLDPE/EPDM BLENDS BY GAMMA IRRADIATION

Zhang Wanxi; He Zhongda; Li Shuzhong

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A STUDY ON KINETICS OF GEL FORMATION OF LLDPE/EVA AND LLDPE/EPDM BLENDS BY GAMMA IRRADIATION

更新时间：2023-04-23

- A STUDY ON KINETICS OF GEL FORMATION OF LLDPE/EVA AND LLDPE/EPDM BLENDS BY GAMMA IRRADIATION
- Journal of Radiation Research and Radiation Processing Vol. 11, Issue 3, Pages: 147-150(1993)
- 作者机构：
  
  1.中国科学院长春应用化学研究所，长春　130022
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Zhang Wanxi, He Zhongda, Li Shuzhong. A STUDY ON KINETICS OF GEL FORMATION OF LLDPE/EVA AND LLDPE/EPDM BLENDS BY GAMMA IRRADIATION. [J]. Journal of Radiation Research and Radiation Processing 11(3):147-150(1993)
DOI：

Zhang Wanxi, He Zhongda, Li Shuzhong. A STUDY ON KINETICS OF GEL FORMATION OF LLDPE/EVA AND LLDPE/EPDM BLENDS BY GAMMA IRRADIATION. [J]. Journal of Radiation Research and Radiation Processing 11(3):147-150(1993) DOI：

摘要

研究了辐照线性低密度聚乙烯／乙烯-醋酸乙烯酯共聚物（LLDPE/EVA）共混体系和线性低密度聚乙烯／三元乙丙橡胶（LLDPE/EPDM）共混体系的溶胶分数（S）与辐照剂量（R）间的关系，发现适用于某些纯聚合物辐射交联规律的Charlesby-Pinner关系式和陈-刘-唐关系式不适用于共混体系。建立了LLDPE/EVA和LLDPE/EPDM共混体系的S与R间的关系：,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42652189&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42652191&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42652190&type=,及β,b,=∑ PW,i,β,i,，用此式计算出的结果与实验结果较吻合。

Abstract

In this paper, the relationship between sol fraction (S) and irradiation dose (R) in the radiation crosslinking of LLDPE/EVA blend and LLDPE/EPDM blend was studied. It was found that the Charlesby′s and Chen-liu-Tang′s expression, which are only in good agreement with radiation crosslinking of some polymers, do not fit to the radiation crosslinking of LLDPE/EVA and LLDPE/EPDM blends. A expression characterizing S-R relationship for polymer blends was established as follows: ,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42652192&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42652194&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42652193&type=, and β,b,=∑W,i,β,i,. The results calculated from the above expression are in good agreement with ones obtained from the experiments.

关键词

聚合物共混体系辐射交联溶胶分数辐照剂量低密度聚乙烯乙烯-醋酸乙烯共聚物三元乙丙橡胶

Keywords

Polymer blendsRadiation crosslinkingSol fractionIrradiation doseLow density polyethleneEthylene-vinyl acetate copolymerEPDM

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