POLYUREAS

作品数：4被引量：7H指数：2
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相关期刊：《Chinese Journal of Chemistry》《Chinese Journal of Polymer Science》更多>>
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A Well-defined Hierarchical Hydrogen Bonding Strategy to Polyureas with Simultaneously Improved Strength and Toughness被引量：4
《Chinese Journal of Polymer Science》2019年第12期1257-1266,I0007,共11页Ting Li Tian-Ze Zheng Zhao-Xia Guo Jun Xu Bao-Hua Guo 
financially supported by the National Natural Science Foundation of China (Nos. 51673110 and 51473085);the Joint Funds of the National Natural Science Foundation of China (No. U1862205);Tsinghua University-Suzhou Innovation Leading Program (No. 2016SZ0315)
A well-defined quadruple hydrogen bonding strategy involving dimerization of 2-ureido-4[1H]-pyrimidone(UPy)units is innovatively designed to prepare polyureas with high overall mechanical properties.Three polyureas co...
关键词：Mechanical properties Strength TOUGHNESS Quadruple H-BONDS POLYUREA elasomers 
Amorphous and Crystallizable Thermoplastic Polyureas Synthesized through a One-pot Non-isocyanate Route被引量：2
《Chinese Journal of Polymer Science》2019年第1期43-51,1-3,共9页Jia-Long Ban Su-Qing Li Chen-Feng Yi 赵京波 Zhi-Yuan Zhang Jun-Ying Zhang 
financially supported by the National Natural Science Foundation of China (No. 21244006);Beijing Natural Science Foundation (No. 2182056)
A simple one-pot non-isocyanate route for synthesizing thermoplastic polyureas is presented. In situ urethanization was conducted from the ring-opening reaction of ethylene carbonate with poly(propylene glycol) bis(2-...
关键词：Non-isocyanate ROUTE THERMOPLASTIC POLYUREAS ONE-POT method Sustainable synthesis Transurethane polycondensation 
NMR Analysis to Identify Biuret Groups in Common Polyureas
《Chinese Journal of Polymer Science》2018年第10期1150-1156,共7页Wei-Guang Qiu Fei-Long Zhang Xu-Bao Jiang Xiang-Zheng Kong 
financially supported by the National Natural Science Foundation of China(Nos.21274054,21304038 and51473066);Research Foundation of University of Jinan(No.XKY1604);Science&Technology Development Plan of Shandong Province(No.2017GGX202009),China
Polyureas （PU） are well known as a class of high impact engineering materials, and widely used also in emerging advanced applications. As a general observation, most of them are only soluble in a very limited number...
关键词：DIISOCYANATE POLYUREA Chemical structure BIURET NMR spectroscopy 
Synthesis and Characterization of Polyureas from Aniline Trimer with TDI, MDI and HDI as pH Sensitive Materials被引量：1
《Chinese Journal of Chemistry》2011年第5期1036-1040,共5页刘四委 张艺 许家瑞 
Project supported by the National Natural Science Foundation of China （Nos. 50903096 and 50873116） and the Natural Science Fundation of Guangdong Province （No. 9451027501002566）.
A series of polyureas were synthesized through the reaction of aniline trimer with toluene-diisocyanate, diphenylmethane-4,4＇-diisocyanate, and hexamethylene-l,6-diisocyanate, respectively. The chemical structure of ...
关键词：sensor copolymerization POLYUREA OLIGOMER OLIGOANILINE 
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