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Multicomponent Hydrogen-Bonded Liquid Crystalline Mixtures
- Source :
- Macromolecular Rapid Communications. 22:493-497
- Publication Year :
- 2001
- Publisher :
- Wiley, 2001.
-
Abstract
- Phase behaviour of hydrogen-bonded multicomponent mixtures of bipyridine, dodecyloxybenzoic acid and dicarboxylic acids with poly(acrylic acid) were studied at different compositions and temperatures. It was found that in certain composition ranges, the mixtures from a homogeneous liquid crystalline phase of smectic type with an unusually high enthalpy of transition into the isotropic state. The nature of the anisotropic phase observed in the polymers is discussed. The phase behaviour was studied using IR spectroscopy, differential scanning calorimetry and X-ray structure analysis.
- Subjects :
- chemistry.chemical_classification
Phase transition
Polymers and Plastics
Carboxylic acid
Organic Chemistry
Infrared spectroscopy
chemistry.chemical_compound
Bipyridine
Differential scanning calorimetry
chemistry
Liquid crystal
Phase (matter)
Materials Chemistry
Physical chemistry
Organic chemistry
Acrylic acid
Subjects
Details
- ISSN :
- 15213927 and 10221336
- Volume :
- 22
- Database :
- OpenAIRE
- Journal :
- Macromolecular Rapid Communications
- Accession number :
- edsair.doi...........417f6bd95214dcfe45e91bfc0d7a8483