| 摘要 |
The invention relates to a rubber mixture containing silicic acid, produced from at least one rubber, an alkoxysilane containing sulfur, a cross-linking agent, a filler, optionally additional auxiliary products used in the production of rubber, wherein said mixture contains 0.1 to 15 weight parts, relative to 100 weight parts of rubber used, of a silicon-free polysulfide additive of formula (I), wherein x stands for 0, 1, or 2, Y stands for an aliphatic, alicyclic, or aromatic group optionally substituted or containing heteroatoms, and A stands for a group (II), wherein R1 to R2 are the same or different and mean hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, C6-C10 aryl, or a -CH2-OR5, -CH2-CH2-OR5, -NHR5, -COR5, - COOR5, -CH2COOR5 group, wherein R5 = hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, C6-C10 aryl, or C1-C6 acyl, or A stands for a group (III), wherein R1 and R2 are the same or different and mean hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, C6-C10 aryl, or a -CH2-OR5, -CH2-CH2-OR5, -NHR5, -COR5, - COOR5, -CH2COOR5 group, wherein R5 = hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, C6-C10 aryl, or C1-C6 acyl, or A stands for a group (IV), wherein R1 to R2 are the same or different and mean hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, C6-C10 aryl, or a -CH2-OR5, -CH2-CH2-OR5, -NHR5, -COR5, -COOR5, -CH2COOR5 group, wherein R5 = hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, C6-C10 aryl, or C1-C6 acyl and R6 means hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, C6-C10 aryl, or a -CH2-OR5, -CH2-CH2-OR5, -NHR5, -COR5, -COOR5, -CH2COOR5 group, wherein R5 = hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, C6-C10 aryl, or C1-C6 acyl, and y stands for 0, 1, or 2. |
