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    • 88. 发明申请
    • THERMALLY STABLE FLAME RESISTANT FLEXIBLE POLYURETHANE FOAM
    • 耐热耐火柔性聚氨酯泡沫
    • US20140117271A1
    • 2014-05-01
    • US14125429
    • 2012-06-12
    • F. Michael Plaver
    • F. Michael Plaver
    • C08G18/32
    • C08G18/32C08G18/4841C08G18/6674C08G2101/0008C08G2101/0058C08G2101/0083C08G2350/00C08J9/0038C08J9/0066C08J2375/04
    • The present invention relates to a reactive formulation used to make a flame resistant flexible polyurethane foam which is particularly suited for use in under the hood vehicle applications which require sound deadening and vibration management and a process to make said foam. Said foam is particularly suitable for such applications because desirable flame resistant properties are achieved after exposure to heat over an extended period of time. In particular, the flame resistant flexible polyurethane foam is made from a reactive formulation comprising an A side comprising (i) one or more organic isocyanate and a B side comprising (ii) one or more isocyanate-reactive component, (iii) a flame retardant component comprising a combination of red phosphorus, expandable graphite, and optionally sodium citrate wherein the flame retardant component does not contain ammonium polyphosphate; and (iv) one or more additional component selected from a catalyst, a blowing agent, a cell opener, a surfactant, a crosslinker, a chain extender a filler, a colorant, a pigment, an antistatic agent, reinforcing fibers, an antioxidant, a preservative, or an acid scavenger wherein the resulting foam achieves after heat aging at 150 C for seven days a V-0 rating at 0.5 inch according to Underwriters' Laboratories Standard 94 Flammability Test.
    • 本发明涉及一种用于制造阻燃柔性聚氨酯泡沫的反应性配方,其特别适用于需要隔音和振动管理的罩罩车辆应用,以及制造所述泡沫的方法。 所述泡沫特别适用于这种应用,因为在长时间暴露于热之后实现期望的阻燃性能。 特别地,阻燃柔性聚氨酯泡沫由包含(i)一种或多种有机异氰酸酯和B侧的反应性制剂的反应性制剂制成,所述B侧包含(ii)一种或多种异氰酸酯反应性组分,(iii)阻燃剂 组分包括红磷,可膨胀石墨和任选的柠檬酸钠的组合,其中阻燃组分不含多磷酸铵; 一种或多种选自催化剂,发泡剂,开孔剂,表面活性剂,交联剂,扩链剂,填料,着色剂,颜料,抗静电剂,增强纤维,抗氧化剂, 防腐剂或酸清除剂,其中根据美国保险商实验室标准94易燃性试验,所得泡沫在150℃热老化7天,0.5英寸V-0等级下实现。
    • 90. 发明申请
    • POLISHING PAD AND MANUFACTURING METHOD THEREFOR
    • 抛光垫及其制造方法
    • US20140033615A1
    • 2014-02-06
    • US14112009
    • 2012-04-16
    • Kouki ItoyamaFumio Miyazawa
    • Kouki ItoyamaFumio Miyazawa
    • B24B37/24
    • B24B37/24C08G18/10C08G18/14C08G18/4854C08G2101/0008C08G2101/0083C08J9/12C08J2207/00C08J2375/04C08G18/48C08G18/3814
    • Provided are a polishing pad which remedies the problem of scratches occurring when a conventional hard (dry) polishing pad is used, which is excellent in polishing rate and polishing uniformity, and which can be used for not only primary polishing but also finish polishing, and a manufacturing method therefor. The polishing pad is a polishing pad for polishing a semiconductor device, comprising a polishing layer having a polyurethane-polyurea resin foam containing substantially spherical cells, wherein the polyurethane-polyurea resin foam has a hard segment content (HSC) in a range from 26 to 34%, and has a density D in a range from 0.30 to 0.60 g/cm3, the hard segment content (HSC) being determined by the following formula (1): HSC=100×(r−1)×(Mdi+Mda)÷(Mg+r×Mdi+(r−1)×Mda)  (1).
    • 提供了一种抛光垫,其补救当使用常规的硬(干)抛光垫时发生划痕的问题,其抛光速率和抛光均匀性优异,并且不仅可用于初次抛光,而且可用于精加工抛光,以及 其制造方法。 抛光垫是用于抛光半导体器件的抛光垫,其包括具有聚氨酯 - 聚脲树脂泡沫体的抛光层,该聚氨酯 - 聚脲树脂泡沫体含有基本上为球形的电池,其中聚氨酯 - 聚脲树脂泡沫体的硬链段含量(HSC)为26〜 34%,密度D在0.30〜0.60g / cm 3的范围内,硬链段含量(HSC)由下式(1)决定:HSC = 100×(r-1)×(Mdi + Mda )÷(Mg + r×Mdi +(r-1)×Mda)(1)。