Ethylene copolymers reacted with metal oxides

Details Ethylene copolymers reacted with metal oxides Ethylene copolymers reacted with metal oxides

C - Chemistry, Metallurgy

08

F

154/139, 273/178

C08F 8/44 (2006.01)

Patent

CA 1276347

ABSTRACT Melt-reacted blends of ethylene copolymer containing olefinically-unsaturated carboxylic acids with metal oxides are improved by first incorporating the metal oxide into an ethylene copolymer of LDPE, HDPE, or LLDPE to form a concentrate or masterbatch, then melt-blending a minor amount of the concentrate into the ethylene/carboxylic acid copolymer thereby obtaining a uniform, homogeneous reaction of the metal oxide with the carboxylic acid groups. These melt- -reacted blends provide tough molding resins. Especi- ally preferred are melt-reacted blends of EAA with minor amounts of MgO/LLDPE concentrates.

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