| 摘要 |
A vinyl chloride resin composition which provides, with a small load on the molding machine, a product excellent in impact resistance, gelation properties and heat stability, and in addition, having superior appearance and dimensional stability is provided. In particular, a core-shell polymer composition for modifying vinyl chloride resin, which provides the vinyl chloride resin composition, is provided. The core-shell polymer composition for vinyl chloride resin composition comprises (A) 85 to 99.5 % by weight of a core-shell polymer containing a rubbery polymer and (B) 15 to 0.5 % by weight an acid or anionic surfactant, and the core-shell polymer composition has a specific viscosity (etasp) of at least 0.1 when measured at 30° C. by using a 0.2 g/100 ml acetone solution of a portion soluble in methyl ethyl ketone and insoluble in methanol of said core-shell polymer composition.
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