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    • 1. 发明申请
    • PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM
    • 生产柔性聚氨酯泡沫的方法
    • US20090215918A1
    • 2009-08-27
    • US12429762
    • 2009-04-24
    • Takayuki SASAKIDaisuke KakuTakashi ItoNaohiro Kumagai
    • Takayuki SASAKIDaisuke KakuTakashi ItoNaohiro Kumagai
    • C08G18/08
    • 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。
    • 3. 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。
    • 5. 发明申请
    • PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM
    • 生产柔性聚氨酯泡沫的方法
    • US20090239964A1
    • 2009-09-24
    • US12412416
    • 2009-03-27
    • Takayuki SASAKINaohiro KumagaiYasuyuki SasaoShigeru IkaiChitoshi Suzuki
    • Takayuki SASAKINaohiro KumagaiYasuyuki SasaoShigeru IkaiChitoshi Suzuki
    • C08G18/32
    • C08G18/4866C08G18/4804C08G18/7607C08G65/2615C08G65/2648C08G65/2663C08G2101/0008C08G2101/0058C08G2101/0083C08G2350/00
    • To provide a process for producing a flexible polyurethane foam, which can suitably form a flexible polyurethane foam having a good cushioning characteristic by using a raw material derived from a natural fat/oil.The process comprises a step of reacting a polyoxyalkylene polyol (A) containing the first polyoxyalkylene polyol (A1) obtained by ring-opening polymerization of an alkylene oxide (c) with an initiator (b) in the presence of a polymerization catalyst (a), with a polyisocyanate compound (B) in the presence of a catalyst (C) and a blowing agent (D). The polymerization catalyst (a) is at least one member selected from the group consisting of a coordination anionic polymerization catalyst and a cationic polymerization catalyst, and the initiator (b) is a polyol derived from a natural fat/oil, which is obtained by providing a natural fat/oil with hydroxyl groups through a chemical reaction, and has a hydroxyl value of from 20 to 250 mgKOH/g and a ratio of the mass average molecular weight to the number average molecular weight calculated as polystyrene, (Mw/Mn), of at least 1.2.
    • 提供一种生产软质聚氨酯泡沫的方法,其可以通过使用衍生自天然油脂的原料适当地形成具有良好缓冲特性的柔性聚氨酯泡沫。 该方法包括在聚合催化剂(a)的存在下使包含通过环氧烷烃(c)的开环聚合获得的第一聚氧化烯多元醇(A1)与引发剂(b)的聚氧化烯多元醇(A) ,在催化剂(C)和发泡剂(D)的存在下与多异氰酸酯化合物(B)反应。 聚合催化剂(a)是选自由配位阴离子聚合催化剂和阳离子聚合催化剂组成的组中的至少一种,引发剂(b)是衍生自天然油脂的多元醇,其通过提供 通过化学反应具有羟基的天然脂肪/油,羟基值为20〜250mgKOH / g,以平均分子量为基准的聚苯乙烯换算的重均分子量(Mw / Mn) ,至少1.2。
    • 10. 发明申请
    • 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
    • US20080114088A1
    • 2008-05-15
    • US11876237
    • 2007-10-22
    • Takayuki SASAKITakashi Ito
    • Takayuki SASAKITakashi Ito
    • C08J9/04C08G18/08C08G18/48
    • 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。