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    • 7. 发明授权
    • Reactive diluent in moisture curable system
    • 防湿固化系统中的活性稀释剂
    • US06602964B2
    • 2003-08-05
    • US10061329
    • 2002-02-04
    • Misty HuangRichard E. HandelHerbert Petty
    • Misty HuangRichard E. HandelHerbert Petty
    • C08G7704
    • C09D175/04C08F290/148C08G18/10C08G65/336C08G77/045C08G77/485C08G2190/00C08K5/54C08K5/5415C08K5/5425C08L71/02C08G18/307C08G18/289C08L83/00C08L23/16
    • Disclosed herein is a composition comprising: A) a moisture curable polymer selected from the group consisting of silylated polyurethanes, silylated polyethers, and mixtures thereof, and B) a silicone oligomer of the formula: [R3SiO1/2]m[O1/2Si(R)2O1/2]n[SiO3/2R]o[SiO4/2]p  (I) wherein: each R is independently selected from the group consisting of B, R1, —OR2, R3, and R4; B is an organosilyl functional group bridged to the Si atom of the siloxane oligomer backbone by a Si—C bond; each R1 is independently a saturated or aromatic hydrocarbon group of 1 to 16 carbon atoms; each R2 is independently a group as defined for R1 or an acyl group; each R3 is independently a monovalent organic group containing an aliphatic unsaturated hydrocarbon group; each R4 is a monovalent organic group linked to the Si atom of the siloxane oligomer backbone by a Si—C bond that does not include an aliphatic unsaturated hydrocarbon group and that has thereon one or more members selected from the group consisting of ether polysulfide, ester, polyester, carbamate, polyurethane, isocyanurate, thioether, blocked mercaptan, amide, cyano, and oximato groups; with the provisos that at least one R is a B, at least one quarter of all R groups are —OR2, and at least one silicon atom of the oligomer has an R3 group thereon; m is 2 to 10; n is 0 to 20; o is 0 to 20; and p is 0 to 10.
    • 本文公开了一种组合物,其包含:A)选自甲硅烷基化聚氨酯,甲硅烷基化聚醚及其混合物的水分可固化聚合物,和B)下式的有机硅低聚物:其中:每个R独立地选自 B,R1,-OR2,R3和R4; B是通过Si-C键桥接到硅氧烷低聚物主链的Si原子上的有机甲硅烷基官能团;每个R 1独立地是1至16碳的饱和或芳族烃基 每个R 2独立地是如对于R 1或酰基所定义的基团;每个R 3独立地是含有脂族不饱和烃基的一价有机基团;每个R 4是通过与硅氧烷低聚物主链的Si原子连接的一价有机基团 不包含脂肪族不饱和烃基并且具有一个或多个选自醚多硫化物,酯,聚酯,氨基甲酸酯,聚氨酯的成员的Si-C键 异氰脲酸酯,硫醚,封端的硫醇,酰胺,氰基和肟基;条件是至少一个R为B,所有R基团的至少四分之一为-OR 2,并且至少一个低聚物的硅原子 在其上具有R3基团; m为2至10; n为0〜20; o为0〜20; p为0〜10。