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    • 8. 发明专利
    • Flexible polyurethane foam for hot-press molding, production method therefor, hot-press molded article, and production method therefor
    • 用于热压成型的柔性聚氨酯泡沫,其生产方法,热压成型品及其生产方法
    • JP2013127011A
    • 2013-06-27
    • JP2010086124
    • 2010-04-02
    • Asahi Glass Co Ltd旭硝子株式会社
    • SASAKI TAKAYUKIKAKU DAISUKE
    • C08G18/48C08J9/12
    • C08G18/4812C08G18/0876C08G18/283C08G18/409C08G18/4866C08G18/7621C08G2101/0008C08G2101/005C08G2101/0058C08G2101/0083
    • PROBLEM TO BE SOLVED: To provide a flexible polyurethane foam with which hot-press molding can be successfully performed that has sufficient firmness and excellent processing workability during cutting.SOLUTION: The flexible polyurethane foam for hot-press molding is produced by reacting a polyol mixture (X) and a polyisocyanate compound in the presence of a catalyst for urethanization, a foaming agent, and a foam stabilizer. The polyol mixture (X) includes: a polyoxyalkylene polyol (A) in which the average number of hydroxyl groups is 2 to 3, the hydroxyl value is 5 to 90 mg-KOH/g, and the oxyethylene group content is 0 to 30 mass%; a polyoxyalkylene polyol (B) in which the average number of hydroxyl groups is 2 to 3 and the hydroxyl value is 100 to 250 mg-KOH/g; and a polyoxyalkylene mono-ol (D) in which the hydroxyl value is 5 to 200 mg-KOH/g. The amount of the polyisocyanate compound used is 90 or higher on the isocyanate index.
    • 要解决的问题:提供一种柔软的聚氨酯泡沫塑料,其中可以成功地进行热压成型,其在切割过程中具有足够的坚固性和优异的加工加工性。 解决方案:用于热压成型的软质聚氨酯泡沫体是通过使多元醇混合物(X)和多异氰酸酯化合物在用于氨基甲酸酯化的催化剂,发泡剂和泡沫稳定剂的存在下反应制备的。 多元醇混合物(X)包括:平均羟基数为2〜3,羟值为5〜90mg-KOH / g,氧化乙烯基含量为0〜30质量%的聚氧化烯多元醇(A) %; 羟基的平均数为2〜3,羟值为100〜250mg-KOH / g的聚氧化烯多元醇(B) 和羟基值为5〜200mg-KOH / g的聚氧化烯一元醇(D)。 多异氰酸酯化合物的使用量相对于异氰酸酯指数为90以上。 版权所有(C)2013,JPO&INPIT