STUDY ON THE GASEOUS PRODUCTS OF HIGH TEMPERATURE PYROLYSIS OF ACRYLONITRILE POLYMERS BY ON-LINE FTIR METHOD

被引：0
|
作者：
赵根祥
陈邦杰
机构：
[1] Institute of Coal Chemistry Academia Sinica Taiyuan
[2] Institute of Coal Chemistry Academia Sinica Taiyuan
来源：
Chinese Journal of Polymer Science | 1987年 / 02期
关键词：
Pyrolysis; Acrylonitrile; Polymer; FTIR;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The gaseous products of high temperature pyrolysis （300℃ to 960℃） of aerylonitrile polymers were measured continuously under nitrogen atmosphere by on-line Fourier Transform Infrared Spectroscopic method （FTIR）. From the variations of characteristic peaks it was found that the nitrogen of macromolecules evolved were mainly in the form of hydrogen cyanide and ammonia. During the pyrolysis amorphous carbonaceous element was formed, and crosslinked to form network structure. Three kinds of samples were used for comparison. The experimental results show that the gaseous products of volatile small molecules were HCN, NH;, CH;, C;H;and cyanide. CO and CO;were also formed when copolymers of PAN were thermally pyrolyzed.
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页码：87 / 94
页数：8
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