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    • 24. 发明申请
    • RUBBER MIXTURES CONTAINING SILICIC ACID AND SULFUR-CONTAINING ADDITIVES
    • 包含硅酸和含硫添加剂的橡胶混合物
    • US20140155518A1
    • 2014-06-05
    • US14114362
    • 2012-04-27
    • Melanie WiedemeierHermann-Josef WeidenhauptUlrich FeldhuesIrene Moll
    • Melanie WiedemeierHermann-Josef WeidenhauptUlrich FeldhuesIrene Moll
    • C08K13/02C08L9/06
    • C08K13/02B60C1/00C08K3/36C08K5/372C08K5/378C08K5/548C08L9/00C08L9/06C08L21/00
    • The present invention relates to silica-containing rubber mixture produced from at least one rubber, from a sulphur-containing alkoxysilane, from a crosslinking agent, from a filler, and optionally from further rubber auxiliaries, where the said mixture comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of a silicon-free polysulphide additive of the formula (I) A-S—(S)x—S—B  (I) in which x is 0, 1, 2, 3 or 4, A is a moiety and B is a moiety in which R1 to R4 are identical or different and are hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or a group —CH2—OR5, —CH2—CH2—OR5, —NHR5, —COR5, —COOR5, —CH2COOR5, where R5=hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or C1-C6-acyl, and R6 to R7 are identical or different and are hydrogen C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or a group —CH2—OR5, —CH2—CH2—OR5, —NHR5, —COR5, —COOR5, —CH2COOR5, with R5=hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or C1-C6-acyl and y, z are mutually independently 0, 1 or 2, or A and B are mutually independently one of the moieties in which R1 and R2 are identical or different and are hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or a group —CH2—OR5, —CH2—CH2—OR5, —NHR5, —COR5, —COOR5, —CH2COOR5, where R5=hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or C1-C6-acyl.
    • 本发明涉及由至少一种橡胶,含硫烷氧基硅烷,交联剂,填料和任选的其它橡胶助剂制成的含二氧化硅橡胶混合物,其中所述混合物包含0.1至15份 (I)AS-(S)x-S-B(I)的无硅多硫化物添加剂,其中x为0,1,2,3重量份,基于100重量份的橡胶 或4,A是部分,B是其中R 1至R 4相同或不同且为氢,C 1 -C 6 - 烷基,C 5 -C 6 - 环烷基,C 6 -C 10 - 芳基或基团-CH 2 OR 5的部分, -CH2-CH2-OR5,-NHR5,-COR5,-COOR5,-CH2COOR5,其中R5 =氢,C1-C6-烷基,C5-C6-环烷基,C6-C10-芳基或C1-C6-酰基,R6 C 1 -C 6烷基,C 5 -C 6环烷基,C 6 -C 10 - 芳基或基团-CH 2 OR 5,-CH 2 -CH 2 -OR 5,-NHR 5,-COR 5,-COOR 5, -CH 2 COOR 5,其中R5 =氢,C1-C6-烷基,C5-C6-环烷基,C6-C1 O-芳基或C 1 -C 6 - 酰基,y,z相互独立地为0,1或2,或A和B相互独立地为R1和R2相同或不同且为氢的部分之一,C1-C6- 烷基,C 5 -C 6 - 环烷基,C 6 -C 10 - 芳基或基团-CH 2 OR 5,-CH 2 -CH 2 -OR 5,-NHR 5,-COR 5,-COOR 5,-CH 2 COOR 5,其中R 5 =氢,C 1 -C 6烷基 ,C 5 -C 6 - 环烷基,C 6 -C 10 - 芳基或C 1 -C 6 - 酰基。