Lubricant composition for hot forming
AssigneeSumitomo Metal Industries, Ltd.
InventorsKenichi Sasaki, Sumio IIda, Shizuo Mori, Kazuo Tanaka
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Abstract
The present invention provides a lubricant composition for hot forming which makes it possible to provide lubricity at 80° C. or more without being peeled or washed by the roll cooling water, and which is easily washed under 40° C. without having water resistance. The lubricant composition for hot forming of the present invention comprises: a solid lubricant from 10 to 40% by mass; water-dispersible synthetic resin from 5 to 20% by mass; inorganic acid amine salt from 0.5 to 5% by mass; and water from 45 to 80% by mass.
Claims20
A lubricant composition for hot forming comprising:
- a solid lubricant from 10 to 40% by mass;
- a water-dispersible synthetic resin from 5 to 20% by mass;
- an inorganic acid amine salt from 0.5 to 5% by mass;
- and water from 45 to 80% by mass, for 100% by mass of the total mass of the lubricant composition,
- wherein said water-dispersible synthetic resin is a vinyl acetate polymer obtained by emulsion polymerization using protective colloid selected from a group consisting of hydroxyethyl cellulose, sodium salt of carboxymethyl cellulose, and ammonium salt of carboxymethyl cellulose, or a vinyl acetate polymer obtained by emulsion polymerization using co-polymeric surfactant.
A lubricant composition for hot forming comprising:
- solid lubricant from 15 to 30% by mass;
- water-dispersible synthetic resin from 5 to 15% by mass;
- inorganic acid amine salt from 0.5 to 3% by mass;
- and water from 47 to 77% by mass, for 100% by mass of the total mass of the lubricant composition,
- wherein said water-dispersible synthetic resin is a vinyl acetate polymer obtained by emulsion polymerization using protective colloid selected from a group consisting of hydroxyethyl cellulose, sodium salt of carboxymethyl cellulose, and ammonium salt of carboxymethyl cellulose, or a vinyl acetate polymer obtained by emulsion polymerization using co-polymeric surfactant.
A lubricant composition for hot forming comprising:
- solid lubricant from 10 to 40% by mass;
- water-dispersible synthetic resin from 5 to 20% by mass;
- inorganic acid amine salt from 0.5 to 5% by mass;
- and water from 45 to 80% by mass, for 100% by mass of the total mass of the lubricant composition,
- wherein said water-dispersible synthetic resin is a resin obtained by polymerization with the following a first to a fourth ingredients,
- a first ingredient:
- main monomer from 85 to 99.7% by mass,
- a second ingredient:
- monomer having functioning group from 0.1 to 7% by mass,
- a third ingredient:
- cross-linking monomer from 0 to 5% by mass,
- a fourth ingredient:
- co-polymeric surfactant from 2.1 to 7% by mass, for 100% by mass of the total mass of said first to fourth ingredients,
- said main monomer is two or more monomers selected from methacrylic ester or acrylic ester, and
- solubility in the water to said main monomer is 1% or less.
A lubricant composition for hot forming comprising:
- solid lubricant from 10 to 40% by mass;
- water-dispersible synthetic resin from 5 to 20% by mass;
- inorganic acid amine salt from 0.5 to 5% by mass;
- and water from 45 to 80% by mass, for 100% by mass of the total mass of the lubricant composition,
- wherein said water-dispersible synthetic resin is a resin obtained by polymerization with the following a first to a fourth ingredient,
- a first ingredient:
- main monomer from 88 to 97.4% by mass,
- a second ingredient:
- monomer having functioning group from 0.2 to 5.5% by mass,
- a third ingredient:
- cross-linking monomer from 0 to 3% by mass,
- a fourth ingredient:
- co-polymeric surfactant from 2.4 to 4.8% by mass, for 100% by mass of the total mass of said first to fourth ingredients,
- said main monomer is two or more monomers selected from methacrylic ester or acrylic ester, and
- solubility in the water to said main monomer is 1% or less.
Dependencies are inferred from the claim text.