Water-soluble metal working lubricant
US7833951B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 3, 2004 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Dec 28, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/245
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a water-soluble metal working lubricant which is suitably employed particularly in press-working of aluminum material and which is excellent in both working properties and degreasing properties.The water-soluble metal working lubricant includes 85 mass % or less of water (A); 5 to 75 mass % of a metal salt of an organic carboxylic acid (B) wherein carboxylic acid residue has 8 or more carbon atoms in total and the acid/alkali ratio by mole is 1:0.5 to 1.1; 1 to 50 mass % of at least one metal salt (C) selected from among an organic phosphate ester metal salt, an organic phosphite ester metal salt, an organic phosphonate metal salt, and an organic borate ester metal salt, each having an alkyl group having 8 or more carbon atoms in total; and 10 to 80 mass % of a non-ionic surfactant (D).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.