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Intermolecular Hydrogen Bonding of Polyiminosulfone  
Intermolecular Hydrogen Bonding of Polyiminosulfone
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关键词: polyiminosulfone  Molecular  dynamics  calculations  
资料大小: 1753k
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 oxygen atom of the sulfone group of polyiminosulfone (PIS). The results showed that theoreti cally there was hydrogen bond formation between the imino group and the sulfone group of PIS. The exist ence of the hydrogen bonding between the polymer chains of PIS was confirmed by infrared spectrum analysis. Due to the existence of the hydrogen bonding, PIS showed strong molecular interaction with a large cohesive energy density (CED), and a high glass transition temperature (282°C).
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