STABILIZERS FOR BROMINATED POLYMERIC FLAME RETARDANTS

The invention provides a process comprising reacting an epoxy novolac resin with monohydroxy aromatic compound, optionally in the presence of a poly-functional agent for linking together the epoxy novolac chains. The polymers thus obtained are modified, solid, novolac epoxy resins which are useful a...

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Bibliographic Details
Main Authors MIASKOVSKI, Gershon, EDEN, Eyal, MOYAL-ADAR, Tal, HIRSCHSOHN, Yaniv, BEN DAVID, Iris
Format Patent
LanguageEnglish
French
Published 08.02.2018
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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:The invention provides a process comprising reacting an epoxy novolac resin with monohydroxy aromatic compound, optionally in the presence of a poly-functional agent for linking together the epoxy novolac chains. The polymers thus obtained are modified, solid, novolac epoxy resins which are useful as stabilizers for flame retardants such as polystyrene-block- brominated polybutadiene-block-polystyrene. L'invention concerne un procédé consistant à faire réagir une résine époxy novolaque avec un composé aromatique monohydroxy, éventuellement en présence d'un agent polyfonctionnel pour lier ensemble les chaînes époxy novolaque. Les polymères ainsi obtenus sont des résines époxy novolaque, solides et modifiées, qui sont utiles comme stabilisants pour des ignifuges tels que le polystyrène-bloc-polybutadiène bromé-bloc-polystyrène.
Bibliography:Application Number: WO2017IL50854