Kolon Industries, Inc.

Kap Sung Lee

Chung Suk Kang

Sung Mo Park

A PMMA resin containing an impact modifier capsulated therein, said impact modifier comprising a core of a glass polymer, an intermediate layer of a rubber copolymer grafted to the core and an outer layer of a glass polymer grafted to the intermediate layer, the impact modified PMMA resin having a granular shape, the amount of the core being 5 to 20 weight %, the amount of the intermediate layer being 10 to 70 weight % and the amount of the outer layer being 25 to 85 weight %, the intermediate of the rubber copolymer being a copolymer of at least one monomer selected from the group consisting of butylacrylate and butadiene and a monomer of styrene, the outer layer of a glass polymer containing a chain transfer agent.

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Seoul, South Korea

Kap Sung Lee