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Crystallization, thermal behavior, and compatibility of poly(ethylene oxide)/poly(propylene oxide) blends

✍ Scribed by E. Morales; M. Salmerón; J. L. Acosta

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
481 KB
Volume
34
Category
Article
ISSN
0887-6266

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✦ Synopsis

Isothermal and nonisothermal crystallization kinetics of different poly(ethy1ene oxide)/ poly(propy1ene oxide) blends were investigated by means of differential scanning calorimetry (DSC). Glass transition temperature of quenched samples have also been reported. Phase morphologies and poly(ethy1ene oxide) spherulite growth rates were analyzed by polarizing light transmission microscopy. Results show morphological changes along with regime transitions of poly(ethy1ene oxide) crystal growth. Kinetic analyses of the data suggest that, although the blend behaves as a noncompatible, phase-separated system, there exists a certain degree of interaction between polymer chains.

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