Patent ID: 6821456
Filing Date: 2004-11-23
Classification: B29B,B29C,C07C,C08K,C09K

Abstract:
A polymer additive composition consisting essentially of granules of dry compacted particles from the following components:(a) at least one particulate sterically-hindered phenolic compound, and (b) one or more particulate polymer additives other than a sterically-hindered phenolic compound, wherein the particles in said granules are held interbonded one to another in compacted dry granular form exclusively or substantially exclusively by interbonding with in situ desolvated surfaces of particles of one or more components of (a), and optionally by interbonding with in situ desolvated surfaces of particles of one or more components of (b); with the proviso that said granules of dry compacted particles are formed without melting any component of the blend and are free of the binding action of any binder component such as wax, a fatty acid, a compound containing a fatty acid chain or a fatty alcohol chain or metal salt of a fatty acid.