The crystalline structure of syndiotactic polystyrene gels and aerogels has been investigated by using x-ray diffraction. Results show that, depending on the solvent, the crystalline structure of the junction zones of the gels is a clathrate phase or the solvent free orthorhombic beta-form. For aerogels obtained from gels with a clathrate phase, the aerogel crystalline phase consists of the nanoporous delta-form while for aerogels obtained from gels with the beta-form, the original crystalline structure is maintained.
Crystalline Organization in Syndiotactic Polystyrene Gels and Aerogels
DANIEL, Christophe;GUERRA, Gaetano
2005-01-01
Abstract
The crystalline structure of syndiotactic polystyrene gels and aerogels has been investigated by using x-ray diffraction. Results show that, depending on the solvent, the crystalline structure of the junction zones of the gels is a clathrate phase or the solvent free orthorhombic beta-form. For aerogels obtained from gels with a clathrate phase, the aerogel crystalline phase consists of the nanoporous delta-form while for aerogels obtained from gels with the beta-form, the original crystalline structure is maintained.File in questo prodotto:
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