Insulating film treating agent having extremely excellent film characteristics and production method for non-oriented electrical steel sheet using the treating agent
US5945212A · kind A · utility
19Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1997 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | Jan 13, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31931
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A film treating agent for a non-oriented electrical steel sheet having excellent film characteristics such as high space factor, punchability, weldability, and adhesion, and having excellent lubricating properties after stress relief annealing agent comprises, as principal components thereof, 100 parts by weight, calculated in terms of the solid, of at least one member selected from the group consisting of aluminum phosphate, calcium phosphate and zinc phosphate, as an inorganic material, and 1 to 300 parts by weight of a coarse grain emulsion resin having a grain size of 0.3 to 3.0 .mu.m, as an organic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.