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    • 9. 发明申请
    • PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM
    • 生产柔性聚氨酯泡沫的方法
    • US20090270520A1
    • 2009-10-29
    • US12486790
    • 2009-06-18
    • Takayuki SASAKINaohiro KUMAGAI
    • Takayuki SASAKINaohiro KUMAGAI
    • C08J9/00
    • C08G18/4288C08G2101/0008C08G2350/00C08J9/12C08J2205/06C08J2375/04
    • To produce a flexible polyurethane foam molded product having good air flow and cushioning characteristic and having cell roughening at the skin portion suppressed by using a raw material derived from a natural fat/oil.A release agent (X) containing a first polysiloxane compound (S1) having a number average molecular weight of at least 1,200 and at most 40,000, in which an organic group having an alkylene oxide chain is bonded to some of silicon atoms constituting the polysiloxane chain, is adhered to the inner surface of a mold, and in the mold, a reactive mixture (Y) containing a polyol (A) containing a polyol (A1) derived from a vegetable fat/oil, a polyisocyanate compound (B) and a silicone foam stabilizer (S) which is a second polysiloxane compound (S2) having a number average molecular weight of at least 150 and less than 1,200 is subjected to mold-foaming.
    • 为了制造具有良好的气流和缓冲特性的柔性聚氨酯泡沫塑料模制产品,并且通过使用衍生自天然油脂的原料抑制皮肤部分的细胞粗糙化。 含有数均分子量为1,200以上至40,000的第一聚硅氧烷化合物(S1)的脱模剂(X),其中具有烯化氧链的有机基团与构成聚硅氧烷链的一些硅原子键合 粘合到模具的内表面,在模具中,含有含有来源于植物油脂的多元醇(A1)的多元醇(A),多异氰酸酯化合物(B)和 作为数均分子量为150以上且小于1,200的第二聚硅氧烷化合物(S2)的硅氧烷泡沫稳定剂(S)经受模塑发泡。