A synthetic resin composition having reduced corrosion-causing tendency and coloration, said composition comprising (A) 100 parts by weight of a synthetic resin containing halogen and/or an acidic substance, and (B) 0.001 to 50 parts by weight of a hydrotalcite solid solution represented by the following formula (1)wherein
M2+1 represents at least one divalent metal cation, M2+2 represents at least one divalent metal cation, M3+ represents a trivalent metal cation, An- represents an anion having a valency of n, and x, yl, Y2 and m are positive numbers represented by the following expressions
0
一种可降低腐蚀倾向和着色的合成树脂组合物,所述组合物包括:(A) 100 份(按重量计)含卤素和/或酸性物质的合成树脂,和(B) 0.001 至 50 份(按重量计)由下式(1)表示的氢滑石固溶体,其中
M2+1 代表至少一种二价金属阳离子,M2+2 代表至少一种二价金属阳离子,M3+ 代表一种三价金属阳离子,An- 代表一种化合价为 n 的阴离子,x、yl、Y2 和 m 为正数,用以下表达式表示
0
Stabilized polyvinyl chloride resin composition
申请人:KYOWA CHEMICAL INDUSTRY CO., LTD.
公开号:EP0256872A2
公开(公告)日:1988-02-24
Magnesium oxide is incorporated into a polyvinyl chloride resin composition comprising a polyvinyl chloride, a hydrotalcite, a β-diketone compound and an organic acid salt of zinc or a polyvinyl chloride resin composition comprising a polyvinyl chloride, a hydrotalcite and an organic tin compound. Bubbling as well as discoloration can be prevented in a molded article prepared from the polyvinyl chloride resin composition. Magnesium oxide having a specific surface area of at least 50 m²/g and an average secondary particle size smaller than 5 µm is preferably used.
将氧化镁加入由聚氯乙烯、氢铝酸盐、β-二酮化合物和锌的有机酸盐组成的聚氯乙烯树脂组合物中,或加入由聚氯乙烯、氢铝酸盐和有机锡化合物组成的聚氯乙烯树脂组合物中。用聚氯乙烯树脂组合物制备的模塑制品可以防止起泡和变色。最好使用比表面积至少为 50 m²/g、平均二次粒径小于 5 µm 的氧化镁。
Improving stability at moderate temperatures of motor vehicle components shaped from polyvinyl chloride resin compositions
申请人:WITCO CORPORATION
公开号:EP0331095A1
公开(公告)日:1989-09-06
Motor vehicle components are provided having an improved stability at moderate temperatures and shaped from polyvinyl chloride resin compositions, comprising a polyvinyl chloride resin, at least one heat stabilizer in a sufficient amount to impart heat processing stability, and a S-diketone in a sufficient amount to provide, after forming, stability at moderate temperatures not provided by any residual heat stabilizer, as well as polyvinyl chloride resin stabilizer compositions and polyvinyl chloride resin compositions containing such heat stabilizer compositions suitable for use in forming motor vehicle components, comprising at least one heat stabilizer and a β-diketone.
本发明提供了在中等温度下具有更高的稳定性并由聚氯乙烯树脂组合物成型的汽车部件,聚氯乙烯树脂组合物包括聚氯乙烯树脂、至少一种足够量的热稳定剂以赋予热加工稳定性,以及一种足够量的S-二酮以在成型后提供任何残余热稳定剂所不提供的中等温度下的稳定性,以及聚氯乙烯树脂稳定剂组合物和含有这种热稳定剂组合物的聚氯乙烯树脂组合物、以及聚氯乙烯树脂稳定剂组合物和含有此类热稳定剂组合物的聚氯乙烯树脂组合物,适用于汽车部件的成型,该组合物包含至少一种热稳定剂和一种 β-二酮。
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