| abstract |
2,4,6-Tri-substituted 1,3,5-triazines (I), including bis(triazinyl) (poly)thioethers, in which (each) triazine ring has 1 or 2 trialkoxy-, alkoxydialkyl- or dialkoxyalkyl-silylalkyl(poly)thio substituent(s), are new. 2,4,6-Tri-substituted 1,3,5-triazines (I), including bis(triazinyl) (poly)thioethers, in which (each) triazine ring has 1 or 2 trialkoxy-, alkoxydialkyl- or dialkoxyalkyl-silylalkyl(poly)thio substituent(s), are new: X = A, B or C independently for each X; A = Y-R<1>-Sn-; R<1> = linear or branched 1-10 carbon (C) alkylidene; Y = (R<2>)3Si-, R<2)<R<3>)2Si- or (R<2>)2R<3>Si-; R<2> = 1-4 C alkoxy; R<3> = 1-8 C alkyl; B = OR<4>, NR<5>R<6>, SR<7>, SCN or -CO-R<8>; R<4-7> = hydrogen (H), branched or linear 1-10 C alkyl or an (un)substituted aromatic group with 6-30 C atoms, optionally with nitrogen (N), sulfur (S) or oxygen (O) atom(s) in the ring; R<8> = linear or branched 1-20 C alkyl; C = (Sm)/2 and bridges 2 triazine units; m, n = 1-8 or mixtures of these, such that the molecule contains at least one A group. The combination of one A group with 2 mercapto groups or one mercapto group and one amino group NR<5>R<6> is excluded. Independent claims are also included for: (a) rubber blends containing rubber, filler, organosilicon compound(s) (I) and optionally other rubber ancillaries; and (b) the preparation of compounds (I). |