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Journal of Elastomers and Plastics
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Estimation of Thermal Parameters of Halogenated Polymers Based on Group Additive Methods

Muneera Begum

Department of Chemistry and Department of Polymer Science and Technology, S. J. College of Engineering, Mysore - 570 006, India

Siddaramaiah

Department of Chemistry and Department of Polymer Science and Technology, S. J. College of Engineering, Mysore - 570 006, India, siddaramaiah{at}yahoo.com

The thermal parameters such as, glass transition temperature (Tg), crystalline melting point (Tm), initial thermal degradation temperature (Td,0), and coefficient of thermal expansion (Eg) of some halogenated polymers have been estimated employing two different relations such as the Van Krevelen method and the Askadskii method based on the group additive principle. The estimated parameters were compared with the experimental values. The estimated thermal parameters by the Van Krevelen method are found to be more accurate, rapid, and simple than the Askadskii method, except for a crystalline melting point.

Key Words: halogenated polymers • group additive methods • glass transition temperature and crystalline melt temperature

Journal of Elastomers and Plastics, Vol. 37, No. 3, 259-266 (2005)
DOI: 10.1177/0095244305050385
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