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    • 2. 发明授权
    • Process for producing flexible polyurethane foam
    • 生产柔性聚氨酯泡沫的方法
    • US08357730B2
    • 2013-01-22
    • US12429762
    • 2009-04-24
    • Takayuki SasakiDaisuke KakuTakashi ItoNaohiro Kumagai
    • Takayuki SasakiDaisuke KakuTakashi ItoNaohiro Kumagai
    • C08L75/08C08G18/08C08G18/48C08G18/32
    • C08G18/283C08G18/4812C08G2101/0008C08G2101/0058C08G2101/0083
    • To provide a flexible polyurethane foam which is excellent in low resiliency and durability without using a plasticizer and which shows little change in hardness against a change in temperature and at the same time, has high air flow.A process for producing a flexible polyurethane foam, which comprises reacting a polyol mixture comprising the following polyol (A), the following polyol (B) and the following monool (D) with a polyisocyanate compound in the presence of a blowing agent and a foam stabilizer, at an isocyanate index of at least 90, wherein: Polyol (A) is a polyether polyol having an average of from 2 to 3 hydroxyl groups, a hydroxyl value of from 10 to 60 mgKOH/g and an oxyethylene group content of from 0 to 30 mass %, obtained by ring-opening polymerization of an alkylene oxide to an initiator using a phosphazene compound, a Lewis acid compound or an alkali metal compound catalyst; Polyol (B) is a polyether polyol having an average of from 2 to 3 hydroxyl groups and a hydroxyl value of from 70 to 250 mgKOH/g; and Monool (D) is a polyether monool having a hydroxyl value of from 10 to 200 mgKOH/g.
    • 为了提供在不使用增塑剂的情况下具有优异的低弹性和耐久性的柔性聚氨酯泡沫,并且硬度相对于温度变化几乎没有变化,并且同时具有高气流。 一种软质聚氨酯泡沫塑料的制造方法,其特征在于,在发泡剂和泡沫体的存在下,使含有下述多元醇(A)的多元醇混合物,下述多元醇(B)和下述一元醇(D)与多异氰酸酯化合物反应 稳定剂,异氰酸酯指数至少为90,其中:多元醇(A)是平均具有2至3个羟基的聚醚多元醇,羟值为10至60mgKOH / g,氧化乙烯基含量为 0〜30质量%,使用磷腈化合物,路易斯酸化合物或碱金属化合物催化剂通过烯化氧与引发剂的开环聚合得到的; 多元醇(B)是平均2〜3个羟基,羟值为70〜250mgKOH / g的聚醚多元醇; 单醇(D)是羟值为10〜200mgKOH / g的聚醚一元醇。
    • 9. 发明授权
    • Process for producing flexible polyurethane foam
    • 生产柔性聚氨酯泡沫的方法
    • US08242184B2
    • 2012-08-14
    • US12719930
    • 2010-03-09
    • Takayuki SasakiDaisuke Kaku
    • Takayuki SasakiDaisuke Kaku
    • C08G18/28
    • C08G18/283C08G18/4072C08G18/4804C08G18/4866C08G18/632C08G2101/0008C08G2101/005C08G2101/0058C08G2101/0083C08G2350/00C08J2205/06
    • To provide a process for producing a flexible polyurethane foam, which comprises reacting a polyol compound and a polyisocyanate compound in an open system substantially without using a silicone foam stabilizer.A process for producing a flexible polyurethane foam, which comprises reacting a polyol composition (I) containing at least a polyol compound and containing at least one of a polyol compound (A) and a monool compound (X) obtained by ring-opening polymerization of an alkylene oxide with an initiator by using a double metal cyanide complex catalyst, and a polyisocyanate composition (II) in the presence of a urethane-forming catalyst made of a metal catalyst and an amine catalyst, and a blowing agent, in an open system substantially without using a silicone foam stabilizer.
    • 提供一种生产柔性聚氨酯泡沫的方法,其包括基本上不使用硅氧烷泡沫稳定剂在开放体系中使多元醇化合物和多异氰酸酯化合物反应。 1.一种软质聚氨酯泡沫塑料的制造方法,其特征在于,使至少含有多元醇化合物的多元醇组合物(I)与通过开环聚合得到的多元醇化合物(A)和一元醇化合物(X)中的至少一种反应, 在金属催化剂和胺催化剂制成的氨基甲酸酯形成催化剂和发泡剂的存在下,通过使用双金属氰化物配合物催化剂的环氧烷与引发剂和多异氰酸酯组合物(II) 基本上不使用硅氧烷泡沫稳定剂。
    • 10. 发明授权
    • Low resilience flexible polyurethane foam and process for its production
    • 低弹性柔性聚氨酯泡沫及其生产工艺
    • US08541479B2
    • 2013-09-24
    • US11876237
    • 2007-10-22
    • Takayuki SasakiTakashi Ito
    • Takayuki SasakiTakashi Ito
    • C08G18/28
    • C08G18/283C08G18/4812C08G18/4866C08G2101/0008C08G2101/0058C08G2101/0083C08G2350/00
    • To provide a flexible polyurethane foam which is excellent in low resiliency and durability without using a plasticizer and which shows little change in hardness against a change in temperature and at the same time, has high air permeability. A process for producing a flexible polyurethane foam, which comprises reacting a polyol mixture comprising polyol (A), polyol (B) and monool (D) with a polyisocyanate compound in the presence of a blowing agent etc. at an isocyanate index of at least 90. Polyol (A) is a polyether polyol having an average of 2-3 hydroxyl groups and a hydroxyl value of from 10 to 90 mgKOH/g, obtained by ring-opening addition polymerization of an alkylene oxide to an initiator using a double metal cyanide complex catalyst; Polyol (B) is a polyether polyol having an average of 2-3 hydroxyl groups and a hydroxyl value of from 15 to 250 mgKOH/g, other than the polyol (A); and Monool (D) is a polyether monool having a hydroxyl value of from 10 to 200 mgKOH/g.
    • 为了提供一种柔软的聚氨酯泡沫塑料,其具有优异的低回弹性和耐久性,而不使用增塑剂,并且硬度相对于温度变化几乎没有变化,并且同时具有高的透气性。 一种柔性聚氨酯泡沫塑料的制造方法,其特征在于,在发泡剂等的存在下,使多元醇(A),多元醇(B)和一元醇(D)的多元醇混合物与异氰酸酯指数的异氰酸酯指数至少 多元醇(A)是具有平均2-3个羟基,羟基值为10至90mgKOH / g的聚醚多元醇,其通过使用双金属通过环氧烷与引发剂的开环加成聚合获得 氰化物配合物催化剂; 多元醇(B)是多元醇(A)以外的平均2-3个羟基,羟值为15〜250mgKOH / g的聚醚多元醇。 单醇(D)是羟值为10〜200mgKOH / g的聚醚一元醇。