公开(公告)号：US5124373A

公开(公告)日：1992-06-23

申请号：US571263

申请日：1990-08-23

申请人： Hans-Georg Baumgaertel ,  Willy van Cleemputte ,  Peter Walz

发明人： Hans-Georg Baumgaertel ,  Willy van Cleemputte ,  Peter Walz

IPC分类号： C08K5/098 ,  C08K9/04 ,  C08K13/06 ,  C08L27/06

CPC分类号： C08K5/098 ,  C08K9/04 ,  C08L27/06

摘要： The present invention relates to a polyvinyl chloride- based unplasticized molding composition which includes vinyl chloride homo-, co- and/or ter-polymer and/or mixtures or alloys thereof having a vinyl chloride or PVC content of more than 70% by weight, preferably more than 85% by weight, and 15 to 0% by weight of at least one impact-modifying polymer, which unplasticized molding composition includes, per 100 parts by weight of the PVC mixture if appropriate, pigments, colorants, lubricants, blowing agents, flame retardants, fillers, reinforcing fibers or other processing auxiliaries and the following additives:(a) 0.01 to 3 parts by weight of at least one calcium carboxylate,(b) 0.01 to 3 parts by weight of at least one zinc carboxylate,(c) 0.01 to 3 parts by weight of at least one organic co-stabilizer selected from at least one .beta.-diketone, at least one organic phosphite and/or at least one dihydropyridine, and(d) 0.01 to 5 parts by weight of at least one surface-modified alkaline earth metal oxide, at least one alkaline earth metal hydroxide and/or at least one partly hydrated alkaline earth metal oxide.The invention furthermore relates to the use of the molding composition and the process for its preparation.

摘要翻译： 本发明涉及一种聚氯乙烯基未增塑的模塑组合物，其包括氯乙烯均聚物，共聚物和/或三聚物和/或其混合物或合金，其氯乙烯或PVC含量大于70重量％ 优选大于85重量％，和15至0重量％的至少一种冲击改性聚合物，其未增塑的成型组合物包含100重量份的PVC混合物，如果合适的话，颜料，着色剂，润滑剂，发泡剂 阻燃剂，填料，增强纤维或其它加工助剂和以下添加剂：（a）0.01至3重量份的至少一种羧酸钙，（b）0.01至3重量份的至少一种羧酸锌，（ c）0.01至3重量份的至少一种选自至少一种β-二酮，至少一种有机亚磷酸酯和/或至少一种二氢吡啶的有机共稳定剂，和（d）0.01至5重量份的 至少一个表面修饰a 碱土金属氧化物，至少一种碱土金属氢氧化物和/或至少一种部分水合的碱土金属氧化物。 本发明还涉及成型组合物的用途及其制备方法。