PROCEDIMENTO PER FABBRICARE TERMOPOLERI TERMOPLASTICI DI TRIOSSANO AD ELEVATA RIGIDITA

A method for the preparation of thermoplastic terpolymers of trioxane which have an improved strength and can be processed by injection moulding and extrusion moulding at the same time as customary thermoplastics, in which the cationic copolymerisation of the trioxane is carried out with the additio...

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Bibliographic Details
Main Authors ANDRZEJ KASZNIA, JERZY BOJARSKI, JERZY FEJGIN, WITOLD MAJEWSKI, GRAZYNA DMOWSKA, JANUSZ STASINSKI
Format Patent
LanguageItalian
Published 02.12.1981
Edition3
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A method for the preparation of thermoplastic terpolymers of trioxane which have an improved strength and can be processed by injection moulding and extrusion moulding at the same time as customary thermoplastics, in which the cationic copolymerisation of the trioxane is carried out with the addition of a crosslinking agent having at least two alpha -oxide groups or two cyclic acetal groups, such as, for example, epoxy resins, and of a molecular weight regulator, such as methanol or methylal.
Bibliography:Application Number: IT19810025415