Disclosed are a granular or powdery diacetal composition comprising (A) a diacetal such as 1,3:2,4-O-dibenzylidene-D-sorbitol, (B) a sulfuric ester salt and (C) an aliphatic monocarboxylic acid, components (B) and (C) being uniformly dispersed in the particles of the granular or powdery diacetal composition, and component (B) being present in a proportion of 0.1 to 3 wt% and component (C) being present in a proportion of 0.3 to 5 wt%, and the total amount of component (B) and component (C) being not more than 7 wt%, based on the diacetal composition; a polyolefin resin composition comprising the diacetal composition and a polyolefin resin; a process for preparing the resin composition; and a molding prepared by molding the polyolefin resin composition.
公开了一种颗粒状或粉末状二
缩醛组合物,该组合物包含(A)一种二
缩醛,例如1,3:2,4-O-二亚苄基-D-
山梨醇,(B)一种
硫酸酯盐和(C)一种脂肪族一元
羧酸,组分(B)和(C)均匀地分散在颗粒状或粉末状二
缩醛组合物的颗粒中,组分(B)的存在比例为0.1至3 wt%,组分(C)以0.3至5 wt%的比例存在,且基于二
缩醛组合物,组分(B)和组分(C)的总量不超过7 wt%;由二
缩醛组合物和聚烯烃
树脂组成的聚烯烃
树脂组合物;制备该
树脂组合物的工艺;以及通过模塑该聚烯烃
树脂组合物制备的模塑。