Rubber-metal adhesion promoter, rubber composition, and tire
AssigneesDIC Corporation, National University Corporation, Iwate University
InventorsShujiro Otsuki, Takayuki Odashima, Hidetoshi Hirahara
Life of this patent
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Abstract
A rubber-metal adhesion promoter characterized by including: a metal salt (1) of a carboxylic acid which is a metal salt of an aliphatic carboxylic acid having 2 to 25 carbon atoms and in which the metal is bismuth, copper, antimony, silver or niobium; or a compound (2) represented by the following general formula (A): [wherein Z represents a structure selected from the following formulae (z-1) to (z-4); M represents bismuth, copper, antimony, silver or niobium; (RCOO) represents a residue of an aliphatic carboxylic acid having 2 to 25 carbon atoms; and x represents the valence of M minus 1].
Claims19
A method of adhering rubber and metal comprising applying a rubber composition comprising a rubber-metal adhesion promoter and a rubber component to a metal component and vulcanizing the rubber to adhere the rubber component and the metal component;
- wherein the rubber-metal adhesion promoter comprises:
- a metal salt (1) of a carboxylic acid which is a metal salt of an aliphatic carboxylic acid having 2 to 25 carbon atoms and in which the metal is bismuth;
- and the rubber component is one or more selected from the group consisting of natural rubber (NR), isoprene rubber (IR), butadiene rubber (BR), styrene butadiene rubber (SBR), styrene isoprene butadiene rubber (SIBR), chloroprene rubber (CR) and acrylonitrile butadiene rubber (NBR);
- and
- the rubber composition comprises 0 parts by mass of silica with respect to 100 parts by mass of the rubber component.
A method of producing a rubber composition for use in tires and belt conveyors comprising adding a rubber-metal adhesion promoter to a rubber component to produce the rubber composition;
- wherein the rubber-metal adhesion promoter comprises:
- a metal salt (1) of a carboxylic acid which is a metal salt of an aliphatic carboxylic acid having 2 to 25 carbon atoms and in which the metal is bismuth;
- and
- the rubber component is one or more selected from the group consisting of natural rubber (NR), isoprene rubber (IR), butadiene rubber (BR), styrene butadiene rubber (SBR), styrene isoprene butadiene rubber (SIBR), chloroprene rubber (CR) and acrylonitrile butadiene rubber (NBR) ;
- and
- the rubber composition comprises 0 parts by mass of silica with respect to 100 parts by mass of the rubber component.
A method of adhering rubber and metal comprising applying a rubber composition comprising a rubber-metal adhesion promoter and a rubber component to a metal component and vulcanizing the rubber to adhere the rubber component and the metal component;
- wherein the rubber-metal adhesion promoter comprises:
- a compound (2) represented by the following general formula (A):
- [(R COO)xMO]3Z (A)
- wherein Z represents a structure selected from the following formulae (z-1) to (z-4);
- wherein M is bismuth or copper;
- (RCOO) represents a residue of an aliphatic carboxylic acid having 2 to 25 carbon atoms;
- and x represents an integer of {(valence of M)−1}.
A method of adhering rubber and metal comprising applying a rubber composition comprising a rubber-metal adhesion promoter and a rubber component to a metal component and vulcanizing the rubber to adhere the rubber component and the metal component;
- wherein the rubber-metal adhesion promoter comprises:
- a compound (2) represented by the following general formula (A):
- [(R COO)xMO]3Z (A)
- wherein Z is a structure represented by formula (z-1),
- wherein M represents bismuth, copper, antimony, silver or niobium;
- (RCOO) represents a residue of an aliphatic carboxylic acid having 2 to 25 carbon atoms;
- and x represents an integer of {(valence of M)−1}.
A method of adhering rubber and metal comprising applying a rubber composition comprising a rubber-metal adhesion promoter and a rubber component to a metal component and vulcanizing the rubber to adhere the rubber component and the metal component;
- wherein the rubber-metal adhesion promoter comprises:
- a compound (2) represented by the following general formula (A):
- [(R COO)xMO]3Z (A)
- wherein Z represents a structure selected from the following formulae (z-1) to (z-4);
- wherein M represents bismuth, copper, antimony, silver or niobium;
- (RCOO) is a residue of a saturated aliphatic monocarboxylic acid having 2 to 20 carbon atoms;
- and x represents an integer of {(valence of M)−1}.
Dependencies are inferred from the claim text.