The radiation crosslinking of silicone rubber (SR) and the effects of filler, medium and molecular weight on crosslinking

Mingjun Wang; Liejun Ma; Fangyu Li

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The radiation crosslinking of silicone rubber (SR) and the effects of filler, medium and molecular weight on crosslinking

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- The radiation crosslinking of silicone rubber (SR) and the effects of filler, medium and molecular weight on crosslinking
- Nuclear Techniques Vol. 07, Issue 1, (1984)
- 作者机构：
  
  上海化工研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：31 August 1982，
  
  Published：1984-02
- 稿件说明：
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Mingjun Wang, Liejun Ma, Fangyu Li. The radiation crosslinking of silicone rubber (SR) and the effects of filler, medium and molecular weight on crosslinking[J]. Nuclear techniques, 1984, 07(1): 32-38,74.
DOI：

Mingjun Wang, Liejun Ma, Fangyu Li. The radiation crosslinking of silicone rubber (SR) and the effects of filler, medium and molecular weight on crosslinking[J]. Nuclear techniques, 1984, 07(1): 32-38,74. DOI：

摘要

应用辐射交联理论中各关系式，可很好地处理硅橡胶在各种实验条件下辐射交联的实验数据，并算出各交联参数值。由这些参数值的变化和比较，本文较全面地研究了各侧基、填料、分子量及介质等对硅橡胶辐射交联的影响。

Abstract

The radiation induced crosslinking of SR is investigated under the different experimental conditions. The values of various crosslinking parameters have been calculated. By comparing variation of these parameter values the effects of filler

sidegroups

medium and MW on the radiation crosslinking are discussed. The results are as follows.

The rate of gel formation is increased with methyl-vinyl siloxane chain in DMSR and R

while it is decreased with phenyl-group. SR can be crosslinked at low dose with the fumed silica. This experimental result shows that the fumed silica is a sensitizer. The effects of mediums on crosslinking parameters of SR are CO

air

but the difference is very small. Therefore the radiation crosslinking of SR in air is practical. In this work

the effect of MW on the G

cross

value is given by the following equation:

http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=34168009&type=

http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=34168016&type=

http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=34168012&type=

where G

is the limiting value of G

cross

at infinity of MW.

关键词

Keywords

references

A. Charlesby , J. Polymer Sci. , 11 , 513 ( 1953 ).

A. Charlesby , Proc. Roy. Soc. , A222 , 542 ( 1954 ).

A. Charlesby and S. H. Pinner , Proc. Roy. Soc. , A249 , 367 ( 1959 ).

A. Charlesby , Atomic radiation and polymer , Pergamon Press , 1960 , Chapter 9 .

R. Flolland and A. Charlesby , Radiat. Phys. Chem. , 10 , 61 ( 1977 ) ; 8 , 555 ( 1976 ).

D. R. Squire and D. T. Tusner , Macromolecules , 5 , 401 ( 1972 ).

A. A. Miller , J. Amer. Chem. Soc. , 83 , 31 ( 1961 ).

M. G. Ormefod and A. Charlesby , Polymer , 4 , 459 ( 1963 ).

唐敖庆和江元生，高分子通讯， 1 ， 13 （ 1964 ）。

陈欣芳等，吉林大学学报， 4 ， 39 （ 1977 ）。

王铭钧和陈永禄，核技术， 1 ， 17 （ 1983 ）。

王铭钧，科学通报（待发表）。

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