A compatible blend of polycarbonate with vinyl (co)polymer

Details A compatible blend of polycarbonate with vinyl (co)polymer A compatible blend of polycarbonate with vinyl (co)polymer

C - Chemistry, Metallurgy

08

L

C08L 69/00 (2006.01) C08L 25/12 (2006.01) C08L 33/06 (2006.01) C08L 55/02 (2006.01)

Patent

CA 2346417

A compatible blend of polycarbonate resin with a vinyl (co)polymer blending partner is disclosed. The preparation of inventive blend comprise reactive blending of polycarbonate, a vinyl (co)polymer and a novel compatibilizer in the presence of a transesterification catalyst and under conditions of time and temperature designed to promote transesterification. The compatibilizer is the polymerized reaction product of at least one vinyl monomer that contains no hydroxy groups and a hydroxyl containing monomer conforming to (I) (see formula I) where R denotes H or C1-C4 alkyl, R1 denotes H, Cl, Br, C1-C4 alkyl, cyclohexyl, or C1-C4 alkoxy, a is 0 or 1, b is 0 or 1, c is 0 or 1, n is an integer of 0 to 4 and X is an OH group. The compatible blends of the invention are characterized by their improved properties.

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