华东理工大学学报（自然科学版）2017，Vol.43Issue(3)：317-326,10.DOI:10.14135/j.cnki.1006-3080.2017.03.004
受阻酚杂化体系的氢键强度和数量与阻尼性能的关联
Correlation between Hydrogen Bonding Strength and Numbers of Polymer/Hindered Phenol Hybrids and Damping Properties
摘要
Abstract
The glass transition temperatures (Tg) and damping properties of different blends consisting of 1,1,3-tris (2-methyl-4-hydroxy-5-tert-butyl) butane (CA) containing three hindered phenolic hydroxyl groups and various acrylic polymers were investigated in this paper.The results showed that the intramolecular hydrogen bonding of CA was much weaker than the intermolecular one between acrylic polymer and CA.The small molecule had good dispersion stability in the polymer.There probably existed extra hydrogen bonding between the methoxyl and phenolic hydroxyl groups besides that between the carbonyl and the hydroxyl groups in hybrids which contained methoxyl groups.The dynamic mechanical analysis (DMA) results showed that the damping properties were improved by the addition of CA.Upon increasing the ratio of methoxyl in the polymer structure,the improvement of damping properties became more and more significant.Among them,the poly(methoxyethyl acrylate) hybrid (POEA/CA) showed the best.Accordingly,in the case of the same small molecule,more hydrogen bondings led to better damping properties.关键词
氢键数量/杂化体系/阻尼性能/阻尼增效Key words
hydrogen bond numbers/hybrid system/damping property/damping increment分类
通用工业技术引用本文复制引用
刘志远,刘重阳,刘元标,吴国章..受阻酚杂化体系的氢键强度和数量与阻尼性能的关联[J].华东理工大学学报（自然科学版）,2017,43(3):317-326,10.基金项目
国家自然科学基金(51373053) （51373053）
