摘要
对聚酮类高分子材料的光降解机理作了概括性论述。着重讨论了由一氧化碳和烯烃形成的在主链中含有羰基的聚酮类材料的光降解机理。它们一般按照ＮｏｒｒｉｓｈⅠ和ＮｏｒｒｉｓｈⅡ型发生光降解反应，而对于没有γ－氢的聚酮则不能发生ＮｏｒｒｉｓｈⅡ型反应。
In this paper photolysis mechanisms of polyketones polymeric materials are discussed in general.Photolysis machanisms of polyketones with carbonyl in main chain,such as CO/E,CO/P,Co/St,random and alternating copolymers from carbon monoxide and olefins are discussed with emphasis,Norrish typeⅠandⅡreactions always take place in photodegradation,but Norrish typeⅡ reaction does not occur for polyketones withoutγ-H.
出处
《高分子通报》
CAS
CSCD
1996年第1期39-44,共6页
Polymer Bulletin
基金
天津市21世纪青年基金
关键词
聚酮
光降解
一氧化碳共聚物
Polyketone,Photodegradation,Carbon monooxide coplymer
