๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Molecular modeling of polymers. IV. Estimation of glass transition temperatures

โœ Scribed by A. J. Hopfinger; M. G. Koehler; R. A. Pearlstein; S. K. Tripathy

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
937 KB
Volume
26
Category
Article
ISSN
0887-6266

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๐Ÿ“œ SIMILAR VOLUMES

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The classical free volume theory is modified semi-empirically to derive an expression useful for predicting the glass transition temperatures (T~) for compatible polymer blends. This equation produccs values of T~ in better agreement than those from the Kelley-Bueche equation with the dilatomctric d

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Based on free volume, an equation has been derived enabling calculation of glass transition temperature (To) of plasticized polymers, knowing the plasticizer content, the thermal expansion coefficients and values of To of the polymer and plasticizer. Determined and calculated TO are in satisfactory