| PES和PEEK紫外光氧化降解的红外光谱研究EI |
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| 引用本文： | 李明 毛坤元. PES和PEEK紫外光氧化降解的红外光谱研究EI[J]. 高分子材料科学与工程, 1991, 7(5): 70-75 |
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| 作者姓名： | 李明 毛坤元 |
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| 作者单位： | 吉林大学化学系，吉林大学化学系，吉林大学化学系，吉林大学化学系 长春 130023，长春 130023，长春 130023，长春 130023 |
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| 摘 要： | 用衰减全反射(ATR)和反射吸收(RA)红外光谱技术,研究了聚醚矾(PES)和聚醚醚酮(PEEK)的紫外光氧化降解反应。结果表明:PES在紫外线照射下明显被氧化,产物中形成大量的羰基和羟基,苯环被破坏生成脂肪链。PEEK也有类似的情况,其共轭的二苯酮结构单元随光照时间增加明显减少,同时有新化学环境的羰基出现,醚或C-O吸收的变化也可看到。
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| 关 键 词： | 聚醚砜 聚醚醚酮 光氧化 红外光谱 photooxidation photodegradation PES PEEK FTIR |
A FTIR STUDY OF PHOTOOXIDATION AND PHOTODEGRADATION OF PES AND PEEK |
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| Li Ming,Mao Kunyun,Wu Zhongwen and Tang Xinyi. A FTIR STUDY OF PHOTOOXIDATION AND PHOTODEGRADATION OF PES AND PEEK[J]. Polymer Materials Science & Engineering, 1991, 7(5): 70-75 |
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| Authors: | Li Ming Mao Kunyun Wu Zhongwen Tang Xinyi |
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| Abstract: | The oxidation and degradation of PES and PEEK in UV-light were studied using ATR-and RA-FTIR techniqes.The results show that serious oxidation of PES UV-irradiated occures and a lot of carbonyl and hydroxyl appear as evidenced by broad absorption in both 1650~1800cm-1 and 3100~3600cm-1. So dose PEEK.The unit of CO of PEEK is broken and the other carbonyls and hydroxyls are observed.The radical mechanisms of photooxi-dation and photodegradation of PES and PEEK are suggested |
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| Keywords: | photooxidation photodegradation PES PEEK FTIR. |
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