| 摘要 |
An impact modifier comprising a rubber-modified resin having a toluene-insoluble matter content of at least 70 % by weight obtained by conducting polymerization of a vinyl monomer in the presence of acrylic rubber particles, during which polymer particles are agglomerated to enhance the particle size. The impact modifier provides thermoplastic resin compositions having an excellent impact resistance by the incorporation thereof into various thermoplastic resins.
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