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    • 6. 发明公开
    • SOFT POLYURETHANE FOAM, METHOD FOR PRODUCING THE SAME, AND SEAT CUSHION FOR AUTOMOBILE
    • WEICHER POLYURETHANSCHAUMSTOFF,HERSTELLUNGSVERFAHRENDAFÜRUND SITZPOLSTERFÜRAUTOMOBILE
    • EP2471829A1
    • 2012-07-04
    • EP10822015.3
    • 2010-10-05
    • Asahi Glass Company, Limited
    • SASAKI, TakayukiKUMAGAI, Naohiro
    • C08G18/40A47C27/14C08G101/00
    • C08G18/6547C08G18/36C08G18/4063C08G18/4858C08G18/6262C08G18/7607C08G18/7621C08G18/7664C08G2101/0008C08G2101/0083
    • To make it possible to produce a flexible polyurethane foam having a high rebound resilience and good cushioning properties while having a high biomass degree, and having no cell roughening at the skin portion, using a polyol-containing mixture having a low viscosity even though a high molecular weight polyoxyalkylene polyol is used.
      A polyol (A) containing a polyoxyalkylene polyol (polyol (A1)) having a hydroxy value of from 5 to 30 mgKOH/g, obtainable by subjecting propylene oxide (b1) to ring-opening addition polymerization to an initiator in the presence of a double metal cyanide complex catalyst (a1) having an organic ligand and then subjecting ethylene oxide (b2) to ring-opening addition polymerization in the presence of an alkali metal catalyst (a2), and a polyol (A2) derived from a natural fat/oil, and an epoxidized natural fat/oil (X) obtainable by epoxidizing a natural fat/oil having unsaturated bonds by having an oxidizing agent reacted therewith, are used.
    • 为了可以生产具有高回弹性和良好缓冲性能的柔性聚氨酯泡沫,同时具有高的生物质量,并且在皮肤部分没有细胞粗糙化,使用具有低粘度的含多元醇的混合物即使高 分子量聚氧化烯多元醇。 含有羟基值为5〜30mgKOH / g的聚氧化烯多元醇(多元醇(A1))的多元醇(A)可以通过在环氧丙烷(b1)的存在下将环氧丙烷(b1)开环加成聚合成引发剂 具有有机配体的双金属氰化物配合物催化剂(a1),然后在碱金属催化剂(a2)的存在下使环氧乙烷(b2)进行开环加成聚合,和衍生自天然脂肪/ 油,以及通过使与其反应的氧化剂对具有不饱和键的天然油脂进行环氧化而得到的环氧化天然油脂(X)。