Hybrid liquid-crystalline block copolymers with polystyrene and polyester blocks

G. Galli; E. Chiellini; M. Laus; A. S. Angeloni; M. C. Bignozzi; O. Francescangeli

doi:10.1080/10587259408036091

Hybrid liquid-crystalline block copolymers with polystyrene and polyester blocks

G. Galli, E. Chiellini, M. Laus, A. S. Angeloni, M. C. Bignozzi, O. Francescangeli

Risultato della ricerca: Contributo su rivista › Articolo in rivista › peer review

Abstract

The synthesis and some thermal and dynamic-mechanical properties of four series of liquid-crystalline block copolymers, comprising polystyrene and polyester blocks, are described. Within each series, the smectic C-nematic and nematic-isotropic transition temperatures of the polyester block were constant throughout the whole composition range, and the enthalpies of both phase transitions were directly proportional to the composition. The two blocks were incompatible in the glass and melt phases and underwent their individual phase transitions.

Lingua originale	Inglese
pagine (da-a)	429-443
Numero di pagine	15
Rivista	Molecular Crystals and Liquid Crystals
Volume	254
Numero di pubblicazione	1
DOI	https://doi.org/10.1080/10587259408036091
Stato di pubblicazione	Pubblicato - 1 set 1994
Pubblicato esternamente	Sì

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abstract = "The synthesis and some thermal and dynamic-mechanical properties of four series of liquid-crystalline block copolymers, comprising polystyrene and polyester blocks, are described. Within each series, the smectic C-nematic and nematic-isotropic transition temperatures of the polyester block were constant throughout the whole composition range, and the enthalpies of both phase transitions were directly proportional to the composition. The two blocks were incompatible in the glass and melt phases and underwent their individual phase transitions.",

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AU - Francescangeli, O.

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AB - The synthesis and some thermal and dynamic-mechanical properties of four series of liquid-crystalline block copolymers, comprising polystyrene and polyester blocks, are described. Within each series, the smectic C-nematic and nematic-isotropic transition temperatures of the polyester block were constant throughout the whole composition range, and the enthalpies of both phase transitions were directly proportional to the composition. The two blocks were incompatible in the glass and melt phases and underwent their individual phase transitions.

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Hybrid liquid-crystalline block copolymers with polystyrene and polyester blocks

Abstract

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