ENANTIOTROPIC

作品数:6被引量:2H指数:1
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相关领域:理学化学工程更多>>
相关期刊:《Science Bulletin》《Chinese Chemical Letters》更多>>
相关基金:国家自然科学基金更多>>
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Synthesis and mesomorphic properties of 4-(4-bromopropyloxy)-4'-(4-alkyloxybenzylidene)anilines被引量:1
《Chinese Chemical Letters》2012年第7期769-772,共4页Guan-Yeow Yeap Yew-Hong Ooi Kenji Kubo Masato M.Ito 
Universiti Sains Malaysia for USM RU(No.1001/PKIMIA/811159) and the research facilities
This article describes the preparation and liquid crystalline properties of a new homologous series of 4-(4-bromopropyloxy)-4'- (4-alkyloxybenzylidene)anilines in which the phenyl ring is armed by a bromopropylox...
关键词:4-(4-Bromopropyloxy)-4'-(4-alkyloxybenzylidene)anilines Mesomorphic properties Enantiotropic smectic DSC 
Mesomorphic behaviour of new azomethine liquid crystals having terminal bromo substituent
《Chinese Chemical Letters》2012年第2期177-180,共4页Sie Tiong Ha Teck Leong Lee Siew Ling Lee Guan Yeow Yeap Yip Foo Win Siew Teng Ong 
Universiti Tunku Abdul Rahman and Malaysia Ministry of Higher Education for the financial supports via LRGS and research facilities
A homologous series of azomethine esters,4-n-alkanoyloxybenzylidene-4'-bromoanilines possessing even number of carbon atoms at the terminal alkanoyloxy chain(C_(n-1)H_(2n-1)COO- n = 8,10,12,14,16,18) was synthe...
关键词:Liquid crystals Schiff base ester Enantiotropic Smectic A Smectic B 
Influence of bromoalkyloxy side chain on mesomorphic behavior in heterocyclic 7-(4-bromoalkyloxy)-3-(4′-decyloxyphenyl)-4H- 1-benzopyran-4-ones
《Chinese Chemical Letters》2011年第8期947-950,共4页Guan Yeow Yeap Tze Nee Chan Wan Sinn Yam Daisuke Takeuchi Masato M.Ito 
Universiti Sains Malaysia for USM RU Grants(No.1001/PKIMIA/811127 and 1001/PKIMIA/811140);Chan T.-N.would like to acknowledge USM for the research fellowship
A new homologous series of isoflavone-based ethers,7-(4-bromoalkyloxy)-3-(4'-decyloxyprienyl)-4H-1-benzopyran-4-ones were synthesized and characterized.The mesomorphic properties of all homologues were investigat...
关键词:HETEROCYCLIC ISOFLAVONE ENANTIOTROPIC 
Mesomorphic behavior of new azomethine liquid crystals having terminal iodo group被引量:1
《Chinese Chemical Letters》2011年第3期260-263,共4页Sie-Tiong Ha Teck-Leong Lee Guan-Yeow Yeap Masato M.Ito Ayumu Saito Masaaki Watanabe 
Universiti Tunku Abdul Rahman for the research facilities and financial support; Ministry of Higher Education for the award of MOHE Scholarship
A series of azomethine esters,3-hydroxy-4-{[(4-iodophenyl)imino]methyl}phenyl alkanoates possessing even number of carbon atoms at the terminal alkanoyloxy chain(C_(n-1)H_(2n-1)COO-,n = 4,6,8,10,12,14) was syn...
关键词:Liquid crystals Azomethine ester ENANTIOTROPIC Smectic A 
Nematogenic and smectogenic liquid crystals from new heterocyclic isoflavone derivatives:Synthesis,characterization and X-ray diffraction studies
《Chinese Chemical Letters》2011年第2期229-232,共4页Wan Sinn Yam Guan Yeow Yeap 
Universiti Sains Malaysia for USM RU(No.1001/PKIMIA/81140)
A new series of liquid crystals comprising eight heterocyclic isoflavone esters,7-alkanoyloxy-3-[4'-(3-methylbutyloxyphenyl)]- 4H-1-benzopyran-4-ones exhibiting enantiotropic nematic(N) and smectic C(SmC) phase...
关键词:HETEROCYCLIC ISOFLAVONE ENANTIOTROPIC MESOPHASE 
STUDIES ON DEPENDENCE OF PROPERTIES ON MOLECULAR WEIGHT OF THERMOTROPIC NEMATIC POLYMERS
《Chinese Science Bulletin》1988年第20期1692-1696,共5页段晓青 刘亚雷 刘洪波 周其凤 
Project supported by the National Natural Science Foundation of China
Two types of liquid crystal polymers have been reported. One is enantiotropic and can form a liquid crystal state both on heating and cooling. The other type is monotropic and can form mesophase only in the course of ...
关键词:liquid CRYSTAL polymer monotropic ENANTIOTROPIC MOLECULAR WEIGHT 
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