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Intermolecular Hydrogen Bonding of Poly(Imino Imino Ketone Ketone)  
Intermolecular Hydrogen Bonding of Poly(Imino Imino Ketone Ketone)
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关键词: hydrogen  bonding  molecular  simulation  poly(imino  imino  ketone  
ketone)  
资料大小: 410k
所属学科: 高分子物理
来源: 来源网络
简介:
Molecular dynamics calculations were made of the distance from the hydrogen atom of the imino group to the distance of the oxygen atom of the carbonyl group of poly(imino imino ketone ketone) (PIIKK). The results showed that theoretically there was hydrogen bond formation between the hydroxyl group and the carbonyl group of PIIKK. The existence of the hydrogen bonding between the polymer chains of PIIKK was confirmed by infrared spectrum analysis. Due to the existence of the hydrogen bonding, the glass transition temperature increased to 273?C from 143?C for poly(ether ether ketone) (PEEK).
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