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    • 2. 发明申请
    • POLYURETHANE COMPOSITION FOR INTEGRAL SKIN FOAM
    • 聚氨酯组合物用于整体皮肤泡沫
    • WO2012020029A1
    • 2012-02-16
    • PCT/EP2011/063719
    • 2011-08-09
    • BAYER MATERIALSCIENCE AGNISHIKAWA, ShinjiNODA, Fumihiko
    • NISHIKAWA, ShinjiNODA, Fumihiko
    • C08G18/16C08G18/36C08G18/42C08G18/66C08G18/76
    • C08G18/165C08G18/36C08G18/4288C08G18/6696C08G18/7671C08G2101/0033C08G2101/0066C08G2120/00
    • To provide a raw material composition capable of producing an integral skin foam having high productivity and maintaining the applicability of a plant-derived castor oil and/or castor oil derivative as high as 40 weight % or more in polyol mixture. Provided is a composition for a polyurethane integral skin foam, which is a composition for producing an integral skin foam with a density of 0.2 to 0.8 g/cm 3 by a reactive injection molding process from polyisocyanate (A) and a polyol mixture (B) including polyol, a cross-linking agent, a foaming agent, and a catalyst, characterized in that (1) the polyol contains 40 parts by weight or more of castor oil and/or castor oil derivative relative to 100 parts by weight of polyol mixture, and the castor oil derivative has an average number of functional groups of 2.0 to 2.7 and a hydroxyl value of 30 to 170 mg KOH/g, and (2) the catalyst contains both tertiary amine and metal catalyst.
    • 提供能够生产高生产率的整体皮肤泡沫的原料组合物,并保持多元醇混合物中高达40重量%以上的植物来源的蓖麻油和/或蓖麻油衍生物的适用性。 本发明提供一种聚氨酯整体表皮泡沫体用组合物,其是通过多异氰酸酯(A)和多元醇混合物(B)的反应性注射成型法制备密度为0.2〜0.8g / cm 3的整体皮肤泡沫体的组合物, 多元醇,交联剂,发泡剂和催化剂,其特征在于,(1)多元醇相对于100重量份多元醇混合物含有40重量份以上的蓖麻油和/或蓖麻油衍生物, 蓖麻油衍生物的官能团的平均数为2.0〜2.7,羟基值为30〜170mgKOH / g,(2)催化剂含有叔胺和金属催化剂。