Mesomorphic Behavior
Mostrando 1-4 de 4 artigos, teses e dissertações.
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1. Síntese e caracterização de copolímeros de cadeia lateral derivados de acrilatos de 4,5-di-hidroisoxazol e do (-)-mentol
Five monomers 5-[4-(5-cyano-4,5-dihydroisoxazol-3-yl)phenoxy]undecyl acrylate (7a); n-alkyl 3-{4-[5-(acryloyloxyundecyl)oxyphenyl]}-4,5-dihydroisoxazole-5-carboxylate (7b,c for n-butyl and n-hexyl, respectively); 3-{4-[5-(acryloyloxyundecyl) oxyphenyl]}-4,5-dihydroisoxazole-5-carboxylic acid (7d) and (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl acrylate (9) and
Quím. Nova. Publicado em: 2012
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2. Chiral liquid-crystalline polyacrilates from (S)-(-)-2-methyl-1-butanol: Synthesis, mesomorphic properties and light scattering
A síntese e o comportamento mesomórfico de dois poliacrilatos quirais líquido cristalinos com cadeia lateral derivados do (S)-(-)-2-metil-1-butanol são descritos. Estes novos poliacrilatos quirais mostram dependência das temperaturas de transição de fase com a massa molar e o comprimento do espaçador. O poliacrilato contendo quatro unidades metilêni
Publicado em: 2010
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3. Isoxazolinas: uma classe de materiais avançados revisitada
The synthesis and characterization of novel series of liquid crystalline materials containing N-heterocyclic isoxazoline are described. These molecules were obtained from the reaction of 1,3-dipolar cycloaddition of nitrile oxides to different compounds containing double bonds. Thermal properties were analyzed by MOLP, DSC and TGA, and optical properties by
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2010
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4. Polymorphism, mesomorphism, and metastability of monoelaidin in excess water.
The polymorphic and metastable phase behavior of monoelaidin dry and in excess water was studied by using high-sensitivity differential scanning calorimetry and time-resolved x-ray diffraction in the temperature range of 4 degrees C to 60 degrees C. To overcome problems associated with a pronounced thermal history-dependent phase behavior, simultaneous calor