Himont Italia S.r.l.

Montedison S.p.a.

Larry L Chapoy

Marco Foa

Francesco Casagrande

Alfredo Coassolo

Marco Foa'

Andrea Gardano

Giampiero Sabarino

Roberto Fornasier

Massimo Tornatore

An aromatic polyesteramide possessing thermotropic liquid crystalline polymer characteristics, which are easily workable in the molten state and have the mesogenic group in the main chain, are obtained by condensing possible substituted aminophenols and hydroquinone derivatives with aromatic dicarboxylic acids.

Thermotropic polyesteramides

A process for the synthesis of phenyl substituted aromatic diols, obtained by dehydrogenation of the corresponding substituted cyclohexyl derivatives in the presence of a palladium supported catalyst, said palladium supported catalyst being prepared by a process which comprises treating a palladium hydrolysis compound with reducing agents.

Process for the synthesis of aromatic phenyl substituted diols

Polymers obtained from the polycondensation of at least one di-s-triazine of the formula: ##STR1## wherein: R represents a linear or branched alkyl radical containing from 1 to 5 carbon atoms,

Liquid-crystalline, thermotropic polymer from di-s-triazine and diamine

Thermotropic liquid crystalline aromatic polyesters of 4,4'-dihydroxydiphenyl substituted in 3,3' positions by a halogen or by an alkyl, cycloalkyl or aralkyl radical.

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Lesa, Italy

Larry L Chapoy