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>>
相关基金：国家自然科学基金北京市自然科学基金更多>>
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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 
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