Rubber mixtures and vulcanizates produced therefrom
AssigneeHoechst Aktiengesellschaft
InventorsJoachim Weil, Richard Sattelmeyer
Life of this patent
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Abstract
A rubber composition having an improved adhesion to steel cord comprising (a) a rubber vulcanizable with sulfur, (b) at least one reinforcing filler containing between 10 and 50% by weight of active silicic acid, (c) a vulcanization agent selected from the group consisting of sulfur and a sulfur donor, (d) at least one phenol resin derived from at least one mono- or polyhydric phenol and aldehyde, wherein at most 30% of the phenol component consists of a mono-nuclear polyhydric phenol, (e) a compound of a metal being capable of having various valencies and (f) a methylene donor and a rubber article prepared from said composition.
Claims11
A rubber composition having an improved adhesion to steel cord comprising
- (a) a rubber vulcanisable with sulfur,
- (b) at least one reinforcing filler containing between 10 and 50% by weight of active silicic acid,
- (c) a vulcanisation agent selected from the group consisting of sulfur and a sulfur donor,
- (d) at least one phenol resin derived from at least one monovalent phenol or polyvalent polynuclear phenol or polynuclear phenol and aldehyde,
- (e) a compound of a metal being capable of having various valencies and
- (f) a methylene donor.
Dependencies are inferred from the claim text.