| 悬垂链对聚氨酯弹性体微相结构和阻尼性能的影响 |
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| 引用本文： | 王希,董全霄,满静,张胜,谢永江,程冠之. 悬垂链对聚氨酯弹性体微相结构和阻尼性能的影响[J]. 聚氨酯工业, 2022, 37(1): 8-11. DOI: 10.3969/j.issn.1005-1902.2022.01.003 |
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| 作者姓名： | 王希 董全霄 满静 张胜 谢永江 程冠之 |
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| 作者单位： | 中国铁道科学研究院集团有限公司铁道建筑研究所 北京100081;北京化工大学材料科学与工程学院 先进功能高分子复合材料北京市重点实验室 北京100029,中国铁道科学研究院集团有限公司铁道建筑研究所 北京100081;北京铁科首钢轨道技术股份有限公司 北京102206,北京化工大学材料科学与工程学院 先进功能高分子复合材料北京市重点实验室 北京100029,中国铁道科学研究院集团有限公司铁道建筑研究所 北京100081 |
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| 基金项目： | 中国铁道科学研究院基金项目 |
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| 摘 要： | 以聚四氢呋喃二醇(PTMG2000)和二苯基甲烷二异氰酸酯(MDI-50)为主要原料,小分子二元醇为扩链剂,受阻酚三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯(AO-70)为有机填料,制备聚氨酯弹性体(PUE).分别利用红外光谱仪、原子力显微镜和动态热力学分析仪对材料的微相结构和阻尼性能进行表征.结果表明...
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| 关 键 词： | 聚氨酯弹性体 悬垂链 受阻酚 微相分离 阻尼 |
Effects of Dangling Chains on Microphase Structure and Damping Performances of Polyurethane Elastomer |
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| WANG Xi,DONG Quanxiao,MAN Jing,ZHANG Sheng,XIE Yongjiang,CHENG Guanzhi. Effects of Dangling Chains on Microphase Structure and Damping Performances of Polyurethane Elastomer[J]. Polyurethane Industry, 2022, 37(1): 8-11. DOI: 10.3969/j.issn.1005-1902.2022.01.003 |
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| Authors: | WANG Xi DONG Quanxiao MAN Jing ZHANG Sheng XIE Yongjiang CHENG Guanzhi |
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| Affiliation: | (Railway Engineering Research Institute,China Academy of Railway Sciences Co.Ltd,Beijing 100081,China;Beijing Tieke Shougang Railway Technology Co.Ltd,Beijing 102206,China;Beijing Key Laboratory of Advanced Functional Polymer Composites,Beijing University of Chemical Technology,Beijing 100029,China) |
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| Abstract: | A series of polyurethane elastomers(PUE)were prepared from polytetramethylene ether glycol(PTMG2000)and diphenyl-methane diisocyanate(MDI-50)as raw materials,small molecular glycols as chain extender,triethylene glycol-bis(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate(AO-70)as organic fillers.The microphase structure and damping properties were characterized by Fourier transform infrared spectroscopy,dynamic mechanical thermal analysis and atomic force microscope,respectively.The results showed that the length of the dangling chains prepared by the diols had affected the dynamic microphase structure and damping properties of PUE.When the number of the dangling chains carbon atoms changed from 0 to 10,the maximal tanδvalue increased from 0.647 to 1.043 and the relative area of damping peak increased from 12.18 to 27.20. |
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| Keywords: | polyurethane elastomer dangling chain hindered phenol microphase separation damping |
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