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    • 5. 发明授权
    • Silicone oligomers and curable compositions containing same
    • 硅氧烷低聚物和含有它们的可固化组合物
    • US06395856B1
    • 2002-05-28
    • US09445080
    • 1999-12-02
    • Herbert E. PettyRobert PickwellFrederick D. OsterholtzShiu-Chin Huang Su
    • Herbert E. PettyRobert PickwellFrederick D. OsterholtzShiu-Chin Huang Su
    • C08G7708
    • C08G77/485C08F290/148C08G77/045C08G77/12C08G77/18C08G77/20C08G77/442C08K5/5425C09D183/10C08L23/16C08L83/10C08L83/00
    • Oligomers of the formula: [R3SiO1/2]m[O1/2Si(R2)O1/2]n[SiO3/2R]o[SiO4/2]p  (I) wherein each R is selected individually 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 an Si—C bond; each R1 is independently a saturated aliphatic hydrocarbon group of 1 to 16 carbon atoms; each R2 is independently a group as defined for R1, an aromatic hydrocarbon group or an acyl group; each R3 is independently a monovalent organic radical containing an aliphatically unsaturated hydrocarbon group and each R4 is a monovalent organic radical linked to the Si atom of the siloxane oligomer backbone by an Si—C bond, which does not include an aliphatically unsaturated hydrocarbon group and which has thereon one or more members of the group selected from aromatic hydrocarbon, ether, ester, carbamate, thioether, polysulfide, blocked mercaptan, amide, epoxy, cyano and oximato groups; and with the provisos that at least one quarter of all R groups are —OR2; either at least one silicon atom of the oligomer has an R3 group thereon or at least one R is a B, or both; if there is a group R3 which is a vinyl group, there is at least one other group which is a B group, an R3 group other than vinyl, or an R4 group; m=2 to 20; n=0 to 50; o=0 to 20; and p=0 to 10, are useful as coupling agents in curable compositions of filled organic polymers used for wire and cable insulation. The oligomers also have utility as crosslinkers, as adhesion promoters, to provide a dual radical/moisture cure mechanism, and/or to provide moisture resistance in coating, in other compositions, such as curable adhesives and coatings.
    • 下式的低聚物:其中R独立地选自B,R 1,-OR 2,R 3和R 4; 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独立地为1至16个碳原子的饱和脂族烃基; 每个R 2独立地是如R1所定义的基团,芳族烃基或酰基; 每个R 3独立地是含有脂族不饱和烃基的一价有机基团,并且每个R 4是通过不包含脂族不饱和烃基的Si-C键与硅氧烷低聚物主链的Si原子连接的一价有机基团, 具有一个或多个选自芳族烃,醚,酯,氨基甲酸酯,硫醚,多硫化物,封端的硫醇,酰胺,环氧基,氰基和肟基的基团的成员; 并且条件是所有R组中至少四分之一为-OR2; 低聚物的至少一个硅原子在其上具有R 3基团或至少一个R是B或两者; 如果存在作为乙烯基的基团R 3,则至少另外一个为B基团,除乙烯基以外的R 3基团或R 4基团的基团; m = 2〜20; n = 0〜50; o = 0〜20; 和p = 0至10,可用作用于电线和电缆绝缘的填充有机聚合物的可固化组合物中的偶联剂。 低聚物在其它组合物如可固化粘合剂和涂料中也可用作交联剂,作为粘合促进剂,以提供双重自由基/湿度固化机理和/或提供涂层中的耐湿性。
    • 8. 发明授权
    • Bridged silicone oligomers and curable compositions containing same
    • 桥接的硅氧烷低聚物和含有它们的可固化组合物
    • US06323277B1
    • 2001-11-27
    • US09266500
    • 1999-03-11
    • Herbert E. PettyRobert Pickwell
    • Herbert E. PettyRobert Pickwell
    • C08L8306
    • C08G77/485C08F290/148C08G77/045C08G77/12C08G77/18C08G77/20C08G77/442C08K5/5425C09D183/10C08L23/16C08L83/10C08L83/00
    • Oligomers of the formula: [R3SiO½]m[O½Si(R2)O½]n[SiO{fraction (3/2)}R]o[SiO{fraction (4/2)}]p  (I) wherein each R is selected individually 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 an 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; and each R3 is independently a monovalent organic radical containing an aliphatically unsaturated hydrocarbon group and each R4 is a monovalent organic radical linked to the Si atom of the siloxane oligomer backbone by an Si—C bond, which does not include an aliphatically unsaturated hydrocarbon group and which has thereon one or more members of the group selected from ether, polyether, ester, polyester, carbamate, polyurethane, isocyanurate, thioether, polysulfide, 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=2 to 10; n=0 to 20; o=0 to 20; and p=0 to 10, are useful as coupling agents in curable compositions of filled organic polymers used for wire and cable insulation. The oligomers also have utility as crosslinkers, as adhesion promoters, to provide a dual radical/moisture cure mechanism, and/or to provide moisture resistance in coating, in other compositions, such as curable adhesives and coatings.
    • 下式的低聚物:其中R独立地选自B,R 1,-OR 2,R 3和R 4; 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个碳原子的饱和或芳族烃基; 每个R 2独立地是如R1或酰基所定义的基团; 并且每个R 3独立地是含有脂族不饱和烃基的单价有机基团,并且每个R 4是通过不包含脂族不饱和烃基的Si-C键与硅氧烷低聚物主链的Si原子连接的一价有机基团, 其具有一个或多个选自醚,聚醚,酯,聚酯,氨基甲酸酯,聚氨酯,异氰脲酸酯,硫醚,多硫化物,封端的硫醇,酰胺,氰基和肟基的基团的成员; 条件是至少一个R是B,所有R基团的至少四分之一是-OR 2,并且低聚物的至少一个硅原子在其上具有R3基团; m = 2〜10; n = 0〜20; o = 0〜20; 和p = 0至10,可用作用于电线和电缆绝缘的填充有机聚合物的可固化组合物中的偶联剂。 低聚物在其它组合物如可固化粘合剂和涂料中也可用作交联剂,作为粘合促进剂,以提供双自由基/湿度固化机理和/或提供涂层中的耐湿性。
    • 9. 发明授权
    • Silicone oligomers with higher alkoxy groups
    • 具有较高烷氧基的硅氧烷低聚物
    • US06207783B1
    • 2001-03-27
    • US09314065
    • 1999-05-18
    • Herbert E. PettyRobert Pickwell
    • Herbert E. PettyRobert Pickwell
    • C08G7704
    • C08G77/485C08F290/148C08G77/045C08K5/5425C08L23/16
    • An oligomer of the formula: [R3SiO1/2]m[O1/2Si(R2)O1/2]n[SiO3/2R]o[SiO4/2]p  (I) wherein each R is selected individually from the group consisting of R1, —OR2 and —OR3; each R1 is independently a substituted or unsubstituted hydrocarbon group; each R2 is a C1-C6 alkyl group or an acyl group; and each R3 is a independently an alkyl or alkenyl group having at least 8 carbon atoms; with the provisos that if R3 is alkenyl, there is no unsaturation within two carbon atoms adjacent to the oxygen atom of the —OR3 group; at least one R group is —OR3; at least one quarter of all R groups are —OR2 or —OR3; m=2 to 20; n=0 to 50; o=0 to 20; and p=0 to 10. The oligomer is a useful component of in insulation formulations for wire and cable used in underground locations.
    • 下式的低聚物:其中R独立地选自由R 1,-OR 2和-OR 3组成的组;每个R 1独立地是取代或未取代的烃基; 每个R 2是C 1 -C 6烷基或酰基; 并且每个R 3独立地为具有至少8个碳原子的烷基或烯基;条件是如果R 3是烯基,则在与-OR 3基团的氧原子相邻的两个碳原子内不存在不饱和键; 至少一个R基团是-OR 3; 所有R基团中至少四分之一为-OR2或-OR3; m = 2〜20; n = 0〜50; o = 0〜20; 并且p = 0至10.低聚物是用于地下位置的电线和电缆的绝缘配方中的有用组分。