| 摘要 |
<p>A vinyl chloride resin composition which has excellent impact resistance and is suitable for use in the production of a pipe, window frame, joint, fence, door, switch box, etc. The resin composition contains as an impact modifier a graft copolymer composition which is obtained by blending (A) a graft copolymer which is a graft copolymer comprising a rubbery polymer having a glass transition temperature of 0°C or lower as a backbone and an alkyl methacrylate polymer as a branch and which has an average particle diameter of 0.15 ν or larger with (B) a graft copolymer which is the same as the graft copolymer (A) except that it has an average particle diameter of 0.03 to 0.13 ν.</p> |
