The glass transition relaxation in a side-chain liquid crystalline polymer studied by modulated temperature differential scanning calorimetry

Literature Information

Publication Date 2000-09-29
DOI 10.1039/B004133P
Impact Factor 3.676
Authors

Cristina Alvarez, Joaquim J. Moura-Ramos


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Abstract

A side-chain liquid crystalline polyacrylate was investigated by modulated temperature differential scanning calorimetry (MTDSC) in the temperature region of the glass to liquid-crystal transformation. The technique provides the possibility of analysing the temperature dependence of the complex heat capacity, and of its real and imaginary components. This allows determination of the kinetic parameters associated with the glass transition, as well as the index of fragility of the substance. The obtained results show very good agreement with those recently obtained on the same sample by thermally stimulated depolarisation currents.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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