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Evaluation of the thermal diffusivity of rubber compounds through the glass transition range
Author(s) -
Camaño Esteban,
Martire Natalia,
Goyanes Silvia N.,
Marzocca Angel J.,
Rubiolo Gerardo H.
Publication year - 1997
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19970110)63:2<157::aid-app3>3.0.co;2-u
Subject(s) - thermal diffusivity , elastomer , glass transition , natural rubber , materials science , atmospheric temperature range , thermodynamics , composite material , thermal , crystallite , polymer , physics , metallurgy
The thermal diffusivity of several natural and synthetic rubber compounds was measured in the temperature range from 125 to 350 K with an automatic device. In every case, a step change has been found in the thermal diffusivity at the glass transition range. In partially crystalline elastomers, the thermal diffusivity shows a minimum, which agrees very well with the melting temperature of crystallites. Also, new estimations of thermal diffusivity of some elastomeric compounds are given at above and below the glass transition temperature. © 1997 John Wiley & Sons, Inc.