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De‐crosslinkable networks
Author(s) -
Goethals E.J.,
Trossaert G.,
De Vos R.,
De Clercq R.
Publication year - 1991
Publication title -
makromolekulare chemie. macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 0258-0322
DOI - 10.1002/masy.19910480132
Subject(s) - vulcanization , mesophase , thermotropic crystal , elastomer , siloxane , materials science , copolymer , polymer science , polymer , polymer chemistry , composite material , natural rubber , liquid crystal , liquid crystalline , optoelectronics
Recent extensive studies have distinguished a special class of polymers which are able to form thermotropic mesophases despite the absence of mesogenes in their chemical structure [1]. In the most striking form the tendency to form such mesophases is displayed by polymers with flexible inorganic backbone, such as poly(diethylsiloxane)/PDES/. In this presentation recent results concerning mechanical and thermomechanical behaviour of a series of PDES mesophase elastomers are considered. Three types of PDES elastomers were studied: crosslinked samples prepared by peroxide vulcanization [2,3], crosslinked samples vulcanized by a multifunctional siloxane resin [4] and block copolymers with ladder polysilsesquioxane as the hard block and PDES as the soft block [5].