Photodegradation of Polyketones Polymeric Materials

Yakai Feng; Jingwu Sun

doi:10.14028/j.cnki.1003-3726.1996.01.006

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Photodegradation of Polyketones Polymeric Materials

更新时间：2022-09-18

- Photodegradation of Polyketones Polymeric Materials
- Polymer Bulletin Vol. 9, Issue 1, Pages: 39-44(1996)
- 作者机构：
  
  天津大学应用化学系，天津，300072
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.1996.01.006
  CLC：
- Published：1996-03，
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Yakai Feng, Jingwu Sun. Photodegradation of Polyketones Polymeric Materials. [J]. Polymer Bulletin 9(1):39-44(1996)
DOI：

Yakai Feng, Jingwu Sun. Photodegradation of Polyketones Polymeric Materials. [J]. Polymer Bulletin 9(1):39-44(1996) DOI： 10.14028/j.cnki.1003-3726.1996.01.006.

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Norrish I和Norrish Ⅱ型发生光降解反应，而对于没有γ-氢的聚酮则不能发生Norrish I型反应。

Abstract

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 type I and Ⅱ reactions always take place in photodegradation

but Norrish type Ⅱ reaction does not occur for polyketones without γ - H.

关键词

聚酮光降解一氧化碳共聚物

Keywords

PolyketonePhotodegradationCarbon monooxide coplymer

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Department of Polymer Science and Engineering,Zhejiang University

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