FIELD: rubbers organic chemistry.
SUBSTANCE: invention relates to silane-modified modified oxide or silicate filling agent for rubber mixtures. Silane-modified oxide or silicate filling agent comprises at least one oxide or silicate filling agent modified with mercaptosilane of the general formula (I): (R1)3Si-R2-SH (I) wherein substitutes R1 have similar or different values and mean alkoxy-group or alkyl and wherein at least one group R1 represents alkoxy-group; R2 means hydrocarbon group with a double bond and alkylsilane chosen from hexadecyltriethoxysilane, octadecyltriethoxysilane, hexadecyltrimethoxysilane or octadecyltrimethoxysilane. Invention provides preparing silane-modified oxide or silicate filling agent that shows ability for homogenous distribution on surface and provides improved dynamic properties of rubber.
EFFECT: improved preparing method, improved and valuable properties of filling agent.
7 cl, 7 tbl, 7 ex
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Authors
Dates
2007-10-27—Published
2002-07-05—Filed