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    • 42. 发明授权
    • Method to control increase in viscosity during aging of siloxane modified polymers
    • 控制硅氧烷改性聚合物老化过程中粘度增加的方法
    • US06255404B1
    • 2001-07-03
    • US09360551
    • 1999-07-26
    • Terrence E. HoganChen-Chy LinWilliam L. Hergenrother
    • Terrence E. HoganChen-Chy LinWilliam L. Hergenrother
    • C08F800
    • C08K5/5419C08C19/44C08K5/13C08L9/06C08L43/04
    • A method for controlling any increase in Mooney viscosity during aging of siloxane-functionalized polymers includes the step of adding a viscosity stabilizing effective amount of a viscosity stabilizing agent selected from the group consisting of alkyl alkoxysilanes of the structural formula R1nSi(OR2)4-n wherein R1 is selected from the group consisting of C1 to C20 alkyl, C4 to C10 cycloalkyl, or C5 to C20 aromatic groups, wherein R2 may be the same as or different from R1 and is selected from the group consisting of C1 to C20 alkyl, C4 to C10 cycloalkyl, or C5 to C20 aromatic groups, and wherein n is an integer from 1 to 3. The method provides for the stabilization of Mooney viscosity of siloxane-functionalized polymers at any given level upon aging. The viscosity stabilizing agents react with the siloxane-functionalized polymers during hydrolysis of the siloxane end groups to form moisture stabilized polymers.
    • 用于控制硅氧烷官能化聚合物老化期间门尼粘度的任何增加的方法包括添加粘度稳定有效量的粘度稳定剂的步骤,所述粘度稳定剂选自由结构化学式R的烷基烷氧基硅烷组成的组,其选自 C 1至C 20烷基,C 4至C 10环烷基或C 5至C 20芳族基团,其中R 2可以与R 1相同或不同,并且选自C 1至C 20烷基,C 4至C 10环烷基或C 5至 C20芳族基团,并且其中n是1至3的整数。该方法提供了在老化时以任何给定水平稳定硅氧烷官能化聚合物的门尼粘度。 在硅氧烷端基的水解期间,粘度稳定剂与硅氧烷官能化的聚合物反应以形成水分稳定的聚合物。
    • 46. 发明申请
    • RUBBER COMPOSITIONS WITH FILLER AND KETOXIME OR KETIXMO SILANE
    • 橡胶组合物与填充剂和KETOXIME或KETIXMO硅烷
    • US20130281588A1
    • 2013-10-24
    • US13819815
    • 2011-08-31
    • Chenchy J. LinYaohong ChenAtsushi FukushimaWilliam L. HergenrotherTerrence E. Hogan
    • Chenchy J. LinYaohong ChenAtsushi FukushimaWilliam L. HergenrotherTerrence E. Hogan
    • C08K5/5465
    • C08K5/5465C08K3/04C08K5/548C08L91/00C08L21/00
    • A composition includes an elastomer and a ketoximo silane or a ketoxime additive. The ketoximo silane corresponds to Formula I: where D is selected from a C1 to C60 hydrocarbyl group, or when A is 0 or 1 a hydrogen, or the structure in Formula III; and wherein n and j are independently 1, 2, or 3, m and q are independently 0 or 1, z and t are independently 0 or 1 and (n+m+z) is equal to 3 and (j+q+t) is equal to 3; A is 0 or greater than or equal to 1; R1 and R2 are independently Ci to C60 divalent organic groups and may optionally include O, N S, Si, and/or P heteroatoms with the proviso that when A is 0 either of R1 and R2 may be a chemical bond; R3, R4, R8 and R9 are independently a hydrogen, or a C1 to C60 hydrocarbyl or alkoxy group optionally including O, N, S, Si and/or P; R5 and R6 are independently hydrogen or C1 to C60 hydrocarbyl groups and may optionally include O, N S, Si, and/or P heteroatoms, and may optionally be bonded together to form a cyclic ring; R10 and R11 are independently hydrogen or C1 to C60 hydrocarbyl groups and may optionally include O, N S, Si, and/or P heteroatoms, and may optionally be bonded together to form a cyclic ring.
    • 组合物包括弹性体和酮肟基硅烷或酮肟添加剂。 酮肟基硅烷对应于式I:其中D选自C1至C60烃基,或当A为0或1时为氢或式III中的结构; 并且其中n和j独立地为1,2或3,m和q独立地为0或1,z和t独立地为0或1,并且(n + m + z)等于3,并且(j + q + t )等于3; A为0或大于或等于1; R 1和R 2独立地为C 1至C 60二价有机基团,并且可任选地包括O,N S,Si和/或P杂原子,条件是当A为0时,R 1和R 2可以是化学键; R 3,R 4,R 8和R 9独立地为氢或任选包括O,N,S,Si和/或P的C 1至C 60烃基或烷氧基; R 5和R 6独立地是氢或C 1至C 60烃基,并且可任选地包括O,N S,Si和/或P杂原子,并且可以任选地结合在一起形成环状环; R 10和R 11独立地为氢或C 1至C 60烃基,并且可以任选地包括O,N S,Si和/或P杂原子,并且可以任选地结合在一起形成环状环。