Open AccessThermal Degradation of Polysiloxanes Containing Chloropropyl Groups
Author(s) -
Fuying Dong,
Shuaijie Li,
Chenxing Wang,
Meng Zhang,
Guoqiang Xie
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/617/1/012005
Subject(s) - thermogravimetric analysis , depolymerization , degradation (telecommunications) , thermal stability , residue (chemistry) , chemistry , polymer chemistry , nitrogen , molar ratio , hydrolytic degradation , organic chemistry , hydrolysis , chemical engineering , catalysis , telecommunications , computer science , engineering
We synthesized a series of polysiloxanes containing chloropropyl groups, and studied its thermal stability and degradation mechanism through thermogravimetric analysis (TGA) in nitrogen atmosphere. The effect of the introduced chloropropyl units on the thermal degradation behavior of polysiloxanes was discussed. The depolymerization of the main chain of polysiloxane was accelerated by increasing the molar content of chloropropyl groups. The introduction of chloropropyl groups can cause the formation of a cross-linking network in the residue of polysiloxanes at 800 °C and restrain the formation of volatile components.