APPLICATION OF A NEW MICRO FT-IR/DSC TECHNIQUE TO THE STUDY OF THE CURING KINETICS OF SILICONE ELASTOMER

被引：27

作者：

LIN, SY ^{[1
]}

TSAY, WJ ^{[1
]}

CHEN, YL ^{[1
]}

LEE, CJ ^{[1
]}

机构：

[1] NATL TSING HUA UNIV,DEPT CHEM ENGN,HSINCHU,TAIWAN

来源：

JOURNAL OF CONTROLLED RELEASE | 1994年 / 31卷 / 03期

关键词：

SILICONE ELASTOMER; CURING; HYDROCARBON ALCOHOL; TEMPERATURE EFFECT; MICRO FT-IR DSC SYSTEM;

D O I：

10.1016/0168-3659(94)90010-8

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The curing kinetics of silicone elastomer was investigated using a newly developed method of microscopic Fourier transform infrared (micro FT-IR) spectroscopy equipped with differential scanning calorimetry (DSC). The change in IR peak intensity of Si-H at 2162 cm(-1) for the curing agent acted as a marker. The curing temperature and normal hydrocarbon alcohols significantly influenced the curing process of silicone elastomer, in which the curing reaction might be described by first-order kinetics. The length of the alkyl chain or the solubility parameter of normal hydrocarbon alcohols was supposed to be a predominant factor in the curing kinetics of silicone ealstomer. The higher the curing temperature, the faster was the curing reaction. Greater alkyl chain length or a lower solubility parameter of hydrocarbon alcohols might also result in a slower curing reaction of silicone elastomer.

引用

页码：277 / 282

页数：6

共 18 条

[1]

Baker R.W., 1974, CONTROLLED RELEASE B, P15

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