Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 6, 2010
Patent Application Number
12467667
Date Filed
May 18, 2009
Patent Primary Examiner
Patent abstract
A controlled molecular weight polymer of styrene is provided having bromine substituted thereon. Control of molecular weight is achieved by the use of alpha-methyl styrene dimer as a chain transfer agent. The brominated polymer of styrene is useful as a flame retardant, particularly for polyamides giving improved properties including color retention after molding.
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