GAMMA-RADIATION EFFECT ON UNSATURATED POLYMER Ⅱ. EFFECT OF EGDMA ON RADIATION REACTIONS IN RANDOM 1, 2-POLYBUTADILENE

Zhang Linhua; Feng Lutian; Li Shuhua; Zhang Zicheng

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GAMMA-RADIATION EFFECT ON UNSATURATED POLYMER Ⅱ. EFFECT OF EGDMA ON RADIATION REACTIONS IN RANDOM 1, 2-POLYBUTADILENE

更新时间：2023-04-23

- GAMMA-RADIATION EFFECT ON UNSATURATED POLYMER Ⅱ. EFFECT OF EGDMA ON RADIATION REACTIONS IN RANDOM 1, 2-POLYBUTADILENE
- Journal of Radiation Research and Radiation Processing Vol. 8, Issue 2, Pages: 111-117(1990)
- 作者机构：
  
  1.中国科学院长春应用化学研究所，长春
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Zhang Linhua, Feng Lutian, Li Shuhua, et al. GAMMA-RADIATION EFFECT ON UNSATURATED POLYMER Ⅱ. EFFECT OF EGDMA ON RADIATION REACTIONS IN RANDOM 1, 2-POLYBUTADILENE. [J]. Journal of Radiation Research and Radiation Processing 8(2):111-117(1990)
DOI：

Zhang Linhua, Feng Lutian, Li Shuhua, et al. GAMMA-RADIATION EFFECT ON UNSATURATED POLYMER Ⅱ. EFFECT OF EGDMA ON RADIATION REACTIONS IN RANDOM 1, 2-POLYBUTADILENE. [J]. Journal of Radiation Research and Radiation Processing 8(2):111-117(1990) DOI：

摘要

本文研究了双甲基丙烯酸乙二醇酯（EGDMA）对无规1,2-聚丁二烯（1,2-PB）辐射效应的影响。通过辐照1,2-PB和不同EGDMA/1,2-PB比率体系的溶胶分数测定，红外光谱分析及,1,H-NMR测试结果，讨论了EGDMA对1，2-PB辐射化学反应（分子间交联及分子内环化）的作用及机理。结果证明，1，2-PB辐射引起的链式交联反应不因EGDMA的存在而改变（无规链反应），但EGDMA的存在将增加1，2-PB的交联引发G（Ⅰ）值和交联G（c. 1）同时导致G（- v）和G（cy）值的减小，抑制或减少，内环化过程。

Abstract

In this paper, effect of ethylene glycol dimethyacrylate (EGDMA)on radiation reactions of random 1,2-polybutadilene (1, 2-PB)was researched. In order to get information on radiolytic changes in 1,2-PB, the Sol fraction, the converation of double bonds, the structure chang of the irradiated sample were measured by using IR and ,1,H-NMR techniques. The results show that random chain process of crosslinking in irradiation is not changed by the presence of EGDMA in 1,2-PB; its G(c. 1) and G(Ⅰ) Value increases with increasing of the ratio of EGDMA to 1,2-PB in the system, while its G(-V) and G(cy) deacreases with that. In presence paper, the mechanism of effect of EGDMA on radiation reactions of 1,2-PB was also discussed.

关键词

无规12-PB辐射交联EGDMA强化辐射交联

Keywords

Random 12-PBRadiation effectRadiation crosslinkingEffect of EGDMA on irradiated 12-PB

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