Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Journal of Functional Polymers》 1991-04
Add to Favorite Get Latest Update

Multiple Thermal Transitions of Thermotropic Sequential Block Copolyester

Zhu Chengshen~*, Mo Zhishen~(**), Li Zifa, Wang Shanger~(**), Li Lixia~(**), Zhang Zirong (Department of Chemistry, Zhengzhou University, Zhengzhou, 450052) **(Changchun Institute of Apllied Chemistry, Academica Sinica, Changchun, 130022)  
The multiple thermal transitions of a thermotropic sequential block copolyester, which was synthesized by polycondensation of 1,10-decanediol (80 in weight), poly(oxytetramethylene) glycol (M.W. = 1050,20 in weight) and 2-methyl-p-phenylene di (4-chloroformyl) benzoate, have been studied by DSC. The transitional temperatures of the crystal (K) to nematic liquid crystal (N), T_(kn), and N to isotropic liquid (I), T_(ni), are independent on the thermal history and the forming condition, T_(kn)= 425.86K, T_(ni)=480.60K. But the temperatures of I to N and N to K are reduced with the raising of cooling rate.
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
【Citations】
Chinese Journal Full-text Database 2 Hits
1 Li Zifa, Zhang Ziyong (Department of Chemistry, Zhengzhnu University, Zhengzhou)Zhou Qifeng (Department of Chemistry, Peking University, Beijing);Thermotropic Liquid Crystalline Sequential Block Copolyesters[J];Chemical Research In Chinese Universities;1989-06
2 LI Zifa, ZHANG Ziyong(Chemistry Department, Zhengzhou University, Zhengzhou)ZHOU Qifeng and LI Zhe(Chemistry Department, Peking University, Beijing);SYNTHESIS OF A MESOGENIC CONDENSATION MONOMER AND THE SEQUENTIAL BLOCK COPOLYMERS THEREOF[J];Acta Polymerica Sinica;1989-02
【Co-citations】
Chinese Journal Full-text Database 3 Hits
1 Li Zifa, Zhang Ziyong (Department of Chemistry, Zhengzhnu University, Zhengzhou)Zhou Qifeng (Department of Chemistry, Peking University, Beijing);Thermotropic Liquid Crystalline Sequential Block Copolyesters[J];Chemical Research In Chinese Universities;1989-06
2 YANG Cheng, WU Da Cheng * (Light Industry and Textile College, Sichuan Union University, Chengdu, 610065);Synthesis and Characterization of Poly(ester ether)s as Thermoplastic Liquid Crystalline Elastomers[J];CHEMICAL RESEARCH IN CHINESE UNIVERSITIES;1998-03
3 Du Xinyu,Zhang Huiqing,Zhou Qixiang (Department of Chemical Engineering,Tsinghua University,Beijing 100084);The Synthesis of Block and Graft Liquid Crystalline Polymer and the Compatibility in In situ Composites[J];;1997-03
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 LI Zifa, ZHANG Ziyong(Chemistry Department, Zhengzhou University, Zhengzhou)ZHOU Qifeng and LI Zhe(Chemistry Department, Peking University, Beijing);SYNTHESIS OF A MESOGENIC CONDENSATION MONOMER AND THE SEQUENTIAL BLOCK COPOLYMERS THEREOF[J];Acta Polymerica Sinica;1989-02
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved