Polymer polyols containing halogenated aromatic monomers and...

C - Chemistry – Metallurgy – 08 – F

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C08F 20/30 (2006.01) C08F 20/22 (2006.01) C08G 18/62 (2006.01) C08G 18/63 (2006.01)

Patent

CA 2252450

A polymer polyol is produced by a process comprising free radical polymerizing an addition polymerizable di-(substituted phenyl)monomer (for example, methacrylic ester of diglycidylether of tetrabromobisphenol A) component in the presence of a polyol, wherein the monomer has at least one aromatic halogen and at least one aromatic ethylenically unsaturated substituent. The polymer polyol can also be made by copolymerizing said monomer with an additional ethylenically unsaturated monomer component such as styrene and acrylonitrile. Said polymer polyols were reacted with a polyisocyanate compound forming a flame retardant polyurethane foam.

Un polyol polymère est produit par un procédé consistant en une polymérisation à radicaux libres d'un di-(substitué phényle)monomère polymérisable par addition (par exemple un ester méthacrylique de diglycidyléther de tetrabromobisphénole A) en présence d'un polyol, ce monomère ayant au moins un halogène aromatique et au moins un substituant aromatique à insaturation éthylénique. Le polyol polymère peut également être produit par copolymérisation dudit monomère avec un composant monomère additionel à insaturation éthylénique tel que le styrène et l'acrylonitrile. Ces polyols polymères ont réagi avec un composé polyisocyanate pour former une mousse de polyuréthanne ignifuge.

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