Thermal depolymerization and thermo-oxidative degradation are the main reactions during the thermal aging of polysiloxanes. 聚硅氧烷的热老化反应主要包括热解聚和热氧化两个反应。
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis. 介绍用甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。
