摘要
以室温硅橡胶和高温硅橡胶产品的边角废料及次品作为实验原料 ,进行酸催化和碱催化裂解,将裂解产物进行气相色谱 -质谱(GC -MS)联用分析;经过质谱数据检索,确定了两种酸催化产物的组成 ,高温橡胶的酸催化裂解产物主要是环状化合物 ;室温橡胶的酸催化裂解产物中有环状和链状两类化合物 ,该实验为硅橡胶废料利用提供了依据。碱催化产物太复杂 。
In this paper, the analysis of crackates of organic silicon rubber by GC-MS is reported. The scraps of organic silicon rubber were subjected to catalytic cracking with an acid or alkali as the catalyst. The degradation products under acidic cracking for 2 kinds of silicon rubber were identified by GC-MS analysis. The major degradation products of high _ temperature silicon rubber were found to be cyclosiloxanes, whereas those of ambient _ temperature silicon rubber contain both cyclic and linear _ chain compounds. The degradation products under alkaline cracking are too complicated to be utilized. The findings provide a basis for the utilization of silicon rubber wastes.
出处
《分析测试学报》
CAS
CSCD
2000年第3期31-33,共3页
Journal of Instrumental Analysis
