DIACETAL COMPOSITION, PROCESS FOR THE PREPARATION OF THE SAME, NUCLEATING AGENT FOR POLYOLEFINS CONTAINING THE SAME, POLYOLEFIN RESIN COMPOSITIONS, AND MOLDINGS
申请人:NEW JAPAN CHEMICAL CO.,LTD.
公开号:EP0962459A1
公开(公告)日:1999-12-08
This invention provides a granular or powdery diacetal composition comprising:
(a) at least one diacetal such as 1,3:2,4-O-dibenzylidene-D-sorbitol or a nucleus-substituted derivative thereof, and
(b) at least one binder selected from the group consisting of neutral or weakly acidic monovalent organic acids, neutral or weakly acidic polyvalent organic acids, partial salts of neutral or weakly acidic polyvalent organic acids, salts of sulfuric acid ester, sulfonic acid salts, salts of phosphoric acid ester, phosphoric acid esters, phosphorous acid esters and aluminum salts of a neutral or weakly acidic monovalent organic acid, the binder being uniformly dispersed on the surface and in the interior of the particles of the granular or powdery diacetal composition; a process for preparing the composition; a polyolefin resin nucleating agent comprising the composition; a resin composition containing the nucleating agent and a polyolefin resin; and a polyolefin resin molded article.
本发明提供了一种颗粒状或粉末状的二缩醛组合物,其中包括
(a) 至少一种二缩醛,如 1,3:2,4-O-二亚苄基-D-山梨醇或其核取代衍生物,和
(b) 至少一种粘合剂,该粘合剂选自以下组别:中性或弱酸性一价有机酸、中性或弱酸性多价有机酸、中性或弱酸性多价有机酸的部分盐、硫酸酯盐、磺酸盐、磷酸酯盐、磷酸酯盐、磷酸酯、磷酸酯和中性或弱酸性单价有机酸的铝盐,粘合剂均匀地分散在颗粒状或粉末状二缩醛组合物的颗粒表面和内部;制备该组合物的工艺;包含该组合物的聚烯烃树脂成核剂;包含成核剂和聚烯烃树脂的树脂组合物;以及聚烯烃树脂模塑制品。