| abstract |
An object of the present invention is to provide a chlorinated vinyl chloride resin composition excellent in thermal stability and a molded body thereof.nn n n The present invention is a molding resin composition containing a chlorinated vinyl chloride resin, a heat stabilizer, and a polyol and / or partial ester of a polyol, and the chlorine content in the chlorinated vinyl chloride resin 65% by weight or more and less than 72% by weight. In the above chlorinated vinyl chloride resin, relative to the structural unit (a) -CCl 2- , structural unit (b) -CHCl-, and structural unit (c) -CH 2 -For the total number of moles, the proportion of structural units (a) is 17.5 mol% or less, the proportion of structural units (b) is 46.0 mol% or more, and the proportion of structural units (c) is 37.0 mol% or less, And the above heat stabilizer contains a compound represented by the general formula Ca 1-x Zn x (OH) 2 (where x satisfies the relationship represented by the inequality 0 <x <1) and a general formula Ca 1-y Zn y O At least one of the represented compounds (in the formula, y satisfies the relationship represented by inequality 0 <y <1). |