ADDITIVE COMPOSITION, RESIN COMPOSITION, METHOD FOR PRODUCING RESIN COMPOSITION, AND MOLDED ARTICLE

The present invention can provide an additive composition containing (A) an aromatic phosphate ester sodium salt represented by general formula (1), (B) a fatty acid sodium salt, and (C) talc, the mass ratio (B)/(A) of the content of component (B) to the content of component (A) being 0.1-3, and the mass ratio (C)/[(A) + (B) + (C)] of the content of component (C) to the sum of the content of component (A), component (B), and component (C) being 0.2-0.8, the additive composition or the like has excellent powder flowability and imparts excellent mechanical properties and excellent color tone to a molded article. (In general formula (1), each of R1-R5 independently represents a hydrogen atom or an alkyl group having 1-6 carbon atoms). 本发明可以提供一种添加剂组合物，其含有(A)下述通式(1)所示芳香族磷酸酯钠盐、(B)脂肪酸钠盐和(C)滑石，(B)成分的含量相对于(A)成分的含量的质量比(B)/(A)为0.1以上且3以下，(C)成分的含量相对于(A)成分、(B)成分及(C)成分的含量的总和的质量比(C)/[(A)+(B)+(C)]为0.2以上且0.8以下，所述添加剂组合物等的粉体流动性优异，且对于成形品赋予优异力学特性及优异色调。(通式(1)中，R1～R5各自独立地表示氢原子或碳原子数1～6的烷基)。