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《Engineering Plastics Application》 2019-09
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Preparation and Properties of Polyester-Polyether Polyurethane

Wu Haohao;Xie Haopu;Tian Xinxin;Sun Yinglu;Liu Xiangdong;Yang Yuming;CAS Key Laboratory of High-Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences;University of Science and Technology of China;  
Polyester-polyether polyurethanes(PUR-T) were prepared by two-step method,in which the prepolymer was synthesized by using polycaprolactone diol(PCL) and polytetrahydrofuran(PTMG) as soft segment,isophorone diisocyanate(IPDI) as hard segment,dibutyltin dilaurate as catalyst,and then 1,4-butanediol(BDO) was used to extend the polymer chain. The structure was characterized by FTIR, DSC, XRD and GPC,next the mechanical properties and thermal stability were tested by universal testing machine and TGA,respectively. The results demonstrate that polyester-polyether polyurethane,which used PCL and PTMG as soft segment,is synthesized successfully. Compared with polyurethanes that was synthesized by PCL and PTMG respectively,the stress and strain of polyester-polyether polyurethane increase obviously,which can reach to 19.06 MPa and 1 647%,respectively,when the amount of PTMG added is 2/3(ratio of mass to mass) of PCL. However,with the increase of PTMG content,the stress and strain of PUR-T decrease gradually. With the increase of PTMG content in PUR-T,the crystal properties of PCL in PUR-T reduce gradually,which may be the main reason for the decrease of mechanical properties of PUR-T. Through TG analysis,it is found that with the increase of PTMG addition,the thermal stability of PUR-T is gradually improved.
【Fund】: 中国科学院战略性先导专项资助项目(XDA17020302)
【CateGory Index】: TQ323.8
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Liu Ruowang, Dai Daosheng, Yuan Jixin, Zhai Lanlan (College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325027, China);Water Vapor Permeability of Polyester/ Polyether Polyurethane[J];中国皮革;2009-13
【Co-citations】
Chinese Journal Full-text Database 4 Hits
1 Li Di;Song Wensheng;Wei Wentao;Li Ping;Chemical Engineering and Pharmaceutics College of Henan University of Science and Technology;;Research progress of polyether ester urethane elastomer[J];化工新型材料;2015-09
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3 Li Zhao1 Dong Chaohong1,2 Lv Zhou1 Zhu Ping1(1.Laboratory of New Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory,Qingdao University,Qingdao,Shandong 266071,China)(2.College of Textile & Clothing,Jiangnan University,Wuxi,Jiangsu 214122,China);Study on the Synthesis Process of Polyester-Polyether-Mixed Waterborne Polyurethane[J];聚氨酯工业;2013-02
4 Li Jingang~1 Jia Lincai~2 Han Hongqing~2 Sun Fengrui~2 Guo Xiupeng~2 (1.College of Materials Science and Engineering,Taiyuan University of Technology,Taiyuan 030024,China;2.Shanxi Provincial Institute of Chemical Industry,Taiyuan 030021,China);Researches and Developments of Polyether-ester Elastomers[J];化工中间体;2010-06
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