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A Main-Chain de Vries Smectic Liquid Crystal Polymer Prepared by Hoveyda-Grubbs Catalyst-Initiated Acyclic Diene Metathesis Polymerization
关键字:ADMET; de Vries Smectic; fibers; liquid-crystalline polymers (LCP)
A main-chain liquid crystalline polymer has been obtained by applying a Hoveyda–Grubbs
2nd generation catalyst in acyclic diene metathesis polymerization (ADMET) of a monomer containing on one end a terminal dimethylvinylsilyl group and at the other end a terminal C-C double bond.
http://www.polymer.cn/research/sy_info19352 |
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The Influence of POSS on Photopolymerization Shrinkage , Photoreaction Behaviour of Polymer Kinetics and Photo-rheology Dispersed Liquid Crystals
关键字: Polymer dispersed liquid crystals, Polyhedral oligomeric silsesquioxane, Volume shrinkage , Photopolymerization , Photo-rheology Polymer dispersed liquid crystals (PDLCs) have been investigated intensively because of their interesting properties and potential applications in display and electro-optical devicescl].When prepared PDLCs by photopolymerization induc...
http://www.polymer.cn/research/dis_info17352 |
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Thermotropic Liquid Crystals of low molecular weight phenylethynyl-thiophene based amphiphilic block molecules forming Smectic, Columnar and Cubic Mesophases
关键字:Amphiphilies,thiophene liquid crystals,self-assembly,cubic phases Low molecular weight block amphiphiles consisting of a relatively long conjugated bent aromatic core i.e. 2-(4-benzyloxy-phenyl)-5-phenylethynyl-thiophene and two asymmetric terminal chains, one is oligooxyethylene chain terminated with hydroxyl group and...
http://www.polymer.cn/research/dis_info15207 |
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The effect of wetting and drying treatment on the micro-morphology structure of regenerated cellulose fibers with ionic liquid as solvent
关键字:SAXS/WAXD; crystallinity; micro-voids; ionic liquid; cellulose fibers After the regenerated cellulose fibers prepared with 1-Butyl-3-methylimidazolium chloride ([BMIM]Cl) as solvent was treated with wetting and drying, the micro-morphology and mechanical properties were investigated. From the result of wide angle ...
http://www.polymer.cn/research/dis_info14087 |
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Self-assembly of Imidazolium Based Rod-like Ionic Liquid Crystals: Transition from Lamellar to Micellar Organization
关键字:Imidazolium salts;Ionic liquid crystals;Self-assembly;Cubic phases Imidazolium-based ionic liquids (IL) have attracted considerable attention as environmentally benign solvents for numerous applications, as in various chemical reactions, for preparation of dye-sensitized solar cells, and light-emitting electrochemical ce...
http://www.polymer.cn/research/dis_info13006 |
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thermoplastic elastomer; liquid cooling garment; simulated skin; thermal manikin TLCP/PPS in-situ microfibrils blend fibre
关键字:polyphenylene sulphide (PPS),thermal liquid crystal polymer (TLCP),microfibrils,in-situ,nonisothermal crystallization The thermal liquid crystal polymer (TLCP) / Polyphenylene sulphide (PPS) in-situ microfibrils blend fibre was prepared by melt blending. The Non-isothermal crystallization kinetics of PPS/TLCP blend fibre was studied by differential scanning&nbs...
http://www.polymer.cn/research/dis_info11532 |
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多肽极性液晶与光学二次谐波分析
关键字:polyglutamates, lyotropic liquid crystals, polar liquid crystals, second harmonic generation/SHG Here, we report the certain second-harmonic generation (SHG) response from nemaitc LC solutions of racemic mixtures of poly(-benzyl glutamate) (PBG) dissolved in benzyl alcohol.
http://www.polymer.cn/research/dis_info8161 |
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Phase Structures and Transitions of Side-Chain Liquid Crystalline Polyacetylenes with Different Lengths of Alkyl Spacer
关键字:Phase,Structures,Transitions,Side,Chain,Liquid,Crystalline,Polyacetylenes,Different,Lengths,Alkyl,Spacer, Conventional side-chain liquid crystalline (LC) polymers are based on flexible backbones, of which the LC phase structures are generally determined by the mesogens in the side chains and the main chain is to stabilize the pha...
http://www.polymer.cn/research/dis_info7451 |
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Effect of spacer length on the liquid crystalline property of azobenzene-containing ABA triblock copolymers
关键字:spacer group,liquid crystalline property,azobenzene,triblock copolymer,atom transfer radical polymerization (ATRP) The effect of flexible spacer length on the liquid crystalline property of ABA-type triblock copolymers containing azobenzene groups was investigated. For the study, the monomers, n-[4-(4-ethoxyphenylazo)phenoxy]alkyl methacrylates with varying methylene&...
http://www.polymer.cn/research/dis_info7327 |
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SYNTHESIS OF LIQUID CRYSTALLINE- AMORPHOUS BLOCK COPOLYMERS BY THE COMBINATION OF ATOM TRANSFER AND PROMOTED CATIONIC POLYMERIZATION
关键字:SYNTHESIS,LIQUID,CRYSTALLINE,AMORPHOUS,BLOCK,COPOLYMERS,THE,COMBINATION,ATOM,TRANSFER,AND,PROMOTED,CATIONIC,POLYMERIZATION, The block copolymers with well defined structures such as architecture, composition, end group functionality, molecular weight and molecular weight distribution are very important [1].
http://www.polymer.cn/research/dis_info5676 |
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