Segatta Thomas J. (Fairlawn OH) Sandstrom Paul H. (Tallmadge OH)
출원인 / 주소
The Goodyear Tire & Rubber Company (Akron OH 02)
인용정보
피인용 횟수 :
18인용 특허 :
0
초록▼
The present invention relates to a rubber stock containing 0.1 to 10.0 phr of phenoxyacetic acid. Addition of the phenoxyacetic acid to a rubber stock increases the low strain stiffness properties of the rubber stock and results in increased treadwear when the stock is used in tread stocks. The phen
The present invention relates to a rubber stock containing 0.1 to 10.0 phr of phenoxyacetic acid. Addition of the phenoxyacetic acid to a rubber stock increases the low strain stiffness properties of the rubber stock and results in increased treadwear when the stock is used in tread stocks. The phenoxyacetic acid may also be used in a rubber stock as a methylene acceptor or resorcinol replacement. In addition, the phenoxyacetic acid functions as a silica coupling agent and provides lower viscosities for processing the rubber stock compared to rubber stocks containing conventional silane coupling agents.
대표청구항▼
A rubber stock comprising (1) a rubber selected from the group consisting of natural rubber, rubbers derived from a diene monomer and mixtures thereof, (2) from about 0.1 to about 10.0 phr of phenoxyacetic acid, (3) from about 15 to about 100 phr of a precipitated silica, and (4) from about 0.1 phr
A rubber stock comprising (1) a rubber selected from the group consisting of natural rubber, rubbers derived from a diene monomer and mixtures thereof, (2) from about 0.1 to about 10.0 phr of phenoxyacetic acid, (3) from about 15 to about 100 phr of a precipitated silica, and (4) from about 0.1 phr to about 10.0 phr of a methylene donor selected from the group consisting of hexamethylene tetramine, hexamethoxymethyl melamine, lauryloxymethyl pyridinium chloride, ethyloxymethyl pyridinium chloride, trioxan hexamethylolmelamine, paraformaldehyde, N,N′,N″-trimethyl/N,N′,N″-trimethylolmelamine, hexamethylolmelamine, N,N′,N″-dimethylolmelamine, N-methylolmelamine, N,N′-dimethylolmelamine, N,N′,N″tris(methoxymethyl)melamine and N,N′,N″tributyl-N,N′,N″-trimethylolmelamine, and methylene donors of the general formula: [Figure] wherein X is an alkyl having from 1 to 8 carbon atoms, R1, R2, R3, R4 and R5 are individually selected from the group consisting of hydrogen, an alkyl having from 1 to 8 carbon atoms, the group -CH2OX and their condensation products.
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이 특허를 인용한 특허 (18)
Puhala, Aaron S.; Adepetun, Adeyemi A., Additive for silica reinforced rubber formulations.
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