C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/1100, 6/112,
C08K 9/04 (2006.01) C04B 20/10 (2006.01) C08K 9/06 (2006.01) C08K 9/10 (2006.01) C08L 21/00 (2006.01) C08L 101/00 (2006.01)
Patent
CA 1180145
ABSTRACT The invention provides a silane/filler preparation, con- sisting of from 5 to 70% by weight of at least one silane corres- ponding to the following formula Image in which X is a halogen atom, p is 1 or 2, m is 1 to 5, R1 is a C1-C5-alkyl group, C5-C8-cycloalkyl group or a phenyl group, R is a C1-C5-alkyi group, a C5-C8-cycloalkyl group, a phenyl group or a benzyl group and n is 0, 1 or 2, and respectively balanced to 100% from 95 to 30% by weight of at least one inorganic filler. The invention also provides a process for the production of a silane/filler preparation which comprises introducing at least one carbon black and/or at least one silicate filler in powder form into a powder m ?xer in a quantity of from 95 to 30% by weight, after which at least one liquid silane as defined above is address in a quantity of from 5 to 70% by weight, respectively balanced to 100% relative to the filler, followed by brief intensive mixing until a powder-form or granular free-flowing preparation is formed. The preparation is used in optionally crosslinkable polymeric moulding compositions or vulcanisable or cross-linkable rubber moulding compositions such as sulphur-vulcanisable mould- ing compositions based on natural rubber and/or synthetic rubber.
358301
Grewatta Heinz
Rothbuhr Lothar
Wolff Siegfried
Aktiengesellschaft Degussa
Marks & Clerk
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