Patent TW-201026713-A (TW)
Title: Sulfur-containing silane, filled elastomeric compositions containing same and articles made therefrom
Inventor: HWANG LESLEY
IPC: C08K5/549
Filed: 2009-07-30
Abstract: Sulfur-containing silane, and/or the partially to substantially complete hydrolyzate (s) of sulfur-containing silane, of general Formula (1): [Y1SG1SiZθ]m[Y2SG2SiZθZβ]n[Y3SG3SiZβ 3]o[Y4SG4SiZβ 2X]p[Y5SG5SiZβX2]q[X]r(1) provided wherein: each occurrence of G1, G2, G3, G4 and G5 is independently a hydrocarbylene group containing up to 15 carbon atoms selected from the group consisting of alkylene, alkenylene, arylene, and aralkylene groups; ) each occurrence of X is independently selected from the group consisting of-R, -OR, -OC(=O)R3, H-A2G6(OH)(O-), R1A1C(=O)A2G6(OH)O- and [R1A1C(=O)A2]2G6O-, wherein each occurrence of A1 is independently selected from the group consisting of a covalent chemical bond between R1 and the carbonyl group, an oxygen atom and -NR2-; each occurrence of A2 is independently selected from a covalent chemical bond between G6 and the carbonyl group, an oxygen atom and -NR2-; each occurrence of R is independently selected from the group consisting of straight, cyclic and branched alkyl, alkenyl, aryl, and aralkyl groups containing up to 12 carbon atoms; each occurrence of R1 is independently selected from the group consisting of hydrogen and straight, cyclic or branched alkyl, alkenyl, aryl, and aralkyl groups containing up to 18 carbon atoms; each occurrence of R2 is independently selected from the group consisting of hydrogen and straight, cyclic or branched alkyl, alkenyl, aryl, and aralkyl groups containing up to 18 carbon atoms; each occurrence of R3 is independently selected from the group consisting of hydrogen and straight, cyclic or branched alkyl groups, alkenyl groups, aryl groups, and aralkyl groups containing from 1 to 29 carbon atoms; and G6 is independently a hydrocarbylene group of from 3 to 15 carbon atoms; each occurrence of Y1, Y2, Y3, Y4, and Y5 is independently selected from hydrogen and an acyl group, R3C(=O)-, wherein each occurrence of R3 is independently selected from the group consisting of hydrogen and straight, cyclic or branched alkyl, alkenyl, aryl, and aralkyl groups containing up to 30 carbon atoms; each occurrence of Zβ , which forms a bridging structure between two silicon atoms, is selected from the group consisting of [R1A1C(=O)A2G6(O-)2]0.5 and [H-A2G6(O-)2]0.5, wherein each occurrence of A1 is independently selected from the group consisting of a covalent chemical bond between R1 and the carbonyl group, an oxygen atom and -NR2-; each occurrence of A2 is independently selected from the group consisting of a covalent chemical bond between G6 and the carbonyl group, oxygen atom and -NR2-; each occurrence of R1 is independently selected from the group consisting of hydrogen and straight, cyclic or branched alkyl, alkenyl, aryl, and aralkyl groups containing up to 18 carbon atoms; each R2 is independently selected from the group consisting of hydrogen and straight, cyclic or branched alkyl, alkenyl, aryl, and aralkyl groups containing up to 18 carbon atoms; and each occurrence of G6 is independently a hydrocarbylene group of from 3 to 15 carbon atoms; each occurrence of Zθ, which forms a cyclic structure with a silicon atom, is independently selected from the group consisting of R1A1C(=O)A2G6(O-)2 and H-A2G6(O-)2, wherein each occurrence of A1 is independently selected from the group consisting of a covalent chemical bond between R1 and the carbonyl group, oxygen atom and -NR2-; each occurrence of A2 is independently selected from the group consisting of a covalent chemical bond between G6 and the carbonyl group, oxygen atom and -NR2-; each occurrence of R1 is independently selected from the group consisting of hydrogen and straight, cyclic or branched alkyl groups, alkenyl groups, aryl groups, and aralkyl groups containing from 1 to 18 carbon atoms; each occurrence of R2 is independently selected from the group consisting of hydrogen and straight, cyclic or branched alkyl groups, alkenyl groups, aryl groups, and aralkyl groups containing from 1 to 18 carbon atoms; and each occurrence of G6 is independently a hydrocarbylene group of from 3 to 15 carbon atoms; each occurrence of subscripts m, n, o, p, q and r independently is an integer wherein m is 0 or 1; n is 0 to 18; o is 0 to 20; and, p is 0 to 20; q is 0 to 20 and r is 0 or 1, with the provisos that, (iv) when m is 1, r is 1 and n+o+p+q is 0, (v) when m is 0, r is 0 and n+o+p+q is equal to or greater than 2, and (vi) the silane contain at least one Zβ with the structure [R1A1C(=O)A2G6(O-)2]0.5 or at least one Zθ of the structure R1A1C(=O)A2G6(O-)2.)