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    • 49. 发明申请
    • STABILIZED FLAME RETARDANT ADDITIVES AND THEIR USE
    • 稳定的阻燃添加剂及其使用
    • WO2004104098A2
    • 2004-12-02
    • PCT/US2004/014234
    • 2004-05-05
    • ALBEMARLE CORPORATION
    • GOOSSENS, Danielle, F.MACK, Arthur, G.
    • C08L63/00
    • C08K5/02C08K5/1515C08L25/02
    • A flame retardant additive composition having enhanced thermal stability which comprises a blend formed from (A) tetrabromocyclooctane or dibromoethyl­dibromocyclohexane, or both and (B) halogenated aromatic epoxide and/or halogenated aromatic oligomer in which the halogen atoms are chlorine or bromine, or both, in an (A)/(B) weight ratio in the range of about 95/5 to about 60/40. Components (A) and (B) can be included to provide flame retardancy to various polymers especially styrenic polymers including foamed or foamable styrenic polymers, crystal styrenic polymers, impact-modified styrenic polymers, and blends of crystal styrenic polymers, impact-modified styrenic polymers. In all cases the thermal stability of component (A) is significantly increased by the copresence of component (B).
    • 一种具有增强的热稳定性的阻燃添加剂组合物,其包含由(A)四溴环辛烷或二溴乙基二溴环己烷或两者形成的共混物,和(B)卤素芳族环氧化物和/或卤素芳族低聚物,其中卤素原子是氯或溴, (A)/(B)重量比在约95/5至约60/40的范围内。 可以包括组分(A)和(B)以向各种聚合物提供阻燃性,特别是苯乙烯聚合物,包括发泡或可发泡苯乙烯聚合物,结晶苯乙烯聚合物,冲击改性苯乙烯聚合物,以及结晶苯乙烯聚合物,冲击改性苯乙烯聚合物 。 在所有情况下,组分(A)的热稳定性通过组分(B)的共存显着增加。
    • 50. 发明申请
    • PREPARATION OF FLAME RETARDED POLYISOCYANURATE FOAMS
    • 阻燃聚氨酯类挥发物的制备
    • WO2004078818A1
    • 2004-09-16
    • PCT/US2004/005130
    • 2004-02-20
    • ALBEMARLE CORPORATION
    • FESKE, Elbert, F.BROWN, William, R.LANDRY, Susan, D.MACK, Arthur, G.
    • C08G18/42
    • C08G18/092C08G18/4213
    • Polyisocyanurate foams are produced by mixing at least one organic isocyanate and at least one polyol in the presence of at least one aliphatic or cycloaliphatic C 4 - C 7 hydrocarbon having a boiling point of 70°C or less at 760 millimeters pressure, at least one trimerization catalyst, at least one alkylene glycol ester of tetrabromophthalic anhydride, and at least one phosphorus ester selected from (i) tri(chloroalkyl)phosphate in which each alkyl group has 2 or 3 carbon atoms, (ii) dialkyl alkanephosphonates in which each alkyl group has 1 or 2 carbon atoms and in which the alkane group has 1 or 2 carbon atoms, and (iii) triethylphosphate, and wherein the organic isocyanate and polyol components are proportioned to form a polyisocyanurate having an isocyanate index in the range of 240 to 280.
    • 多异氰脲酸酯泡沫是通过在760毫摩尔压力下在至少一种沸点为70℃或更低的脂肪族或脂环族C 4 -C 7烃的存在下混合至少一种有机异氰酸酯和至少一种多元醇来制备的,至少一种三聚催化剂 ,至少一种四溴邻苯二甲酸酐的亚烷基二醇酯和至少一种磷酸酯,其选自(i)其中每个烷基具有2或3个碳原子的三(氯烷基)磷酸酯,(ii)每个烷基具有的烷基烷基膦酸二烷基酯 1或2个碳原子,其中烷烃基具有1或2个碳原子,和(iii)磷酸三乙酯,并且其中有机异氰酸酯和多元醇组分成比例,形成异氰酸酯指数在240至280范围内的聚异氰脲酸酯。