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    • 4. 发明专利
    • Vinyl chloride resin composition for injection molding
    • 用于注射成型的VINYL氯化物树脂组合物
    • JP2012241119A
    • 2012-12-10
    • JP2011113310
    • 2011-05-20
    • Adeka Corp株式会社Adeka
    • HIRAFUNE HIROKISENGOKU TADASHIMIZU MASUMI
    • C08L27/06C08K3/26C08K5/07C08K5/09C08K5/103
    • C08K13/02C08K3/26C08K5/053C08K5/07C08K5/098C08K2003/267C08K2201/014C08L27/06
    • PROBLEM TO BE SOLVED: To provide a vinyl chloride resin composition for injection molding which has excellent thermal stability and heat resistance, avoids the occurrence of appearance defects during injection molding, exhibits excellent injection moldability, and does not contain a heavy metal stabilizer such as lead, tin or barium.SOLUTION: The vinyl chloride resin composition for injection molding comprises 100 pts.mass of a vinyl chloride resin, 0.01-10 pts.mass of (a) an organic acid calcium salt and/or an organic acid zinc salt, 0.01-10 pts.mass of (b) a hydrotalcite compound, 0.01-10 pts.mass of (c) a β-diketone compound, and 0.01-10 pts.mass of (d) a polyol mixture, wherein the component (d), i.e., the polyol mixture is a polyol mixture comprising pentaerythritol and a condensation product thereof, and when the degree of condensation of pentaerythritol is represented by n, the total content of pentaerythritol and the condensation product thereof having a value n of 1-3 is 5-40 mass% relative to the total amount of the polyol mixture.
    • 解决的问题:为了提供热稳定性和耐热性优异的注射成型用氯乙烯树脂组合物,避免注射成型时出现外观缺陷,显示出优异的注塑成型性,并且不含重金属稳定剂 例如铅,锡或钡。 解决方案:用于注塑的氯乙烯树脂组合物包括100磅氯乙烯树脂,0.01-10重量份(a)有机酸钙盐和/或有机酸锌盐,0.01-10重量份, (b)水滑石化合物的10质量份,(c)β-二酮化合物的0.01-10质量份和(d)多元醇混合物的0.01-10质量份,其中组分(d), 即,多元醇混合物是包含季戊四醇及其缩合物的多元醇混合物,季戊四醇的缩合度由n表示时,n值为1-3的季戊四醇及其缩合物的总含量为5 -40质量%相对于多元醇混合物的总量。 版权所有(C)2013,JPO&INPIT