Radiation-curable coatings adapted for magnetic recording structures
US4607068A · kind A · utility
7Cited by
3References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 1985 |
| Grant date | Aug 19, 1986 |
| Priority date | — |
| Expiry date | Jun 3, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31609
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Radiation curable coating compositions, and especially electron beam-curable coating compositions, are disclosed in which magnetizable particles are dispersed in a liquid vehicle comprising a polyethylenically unsaturated polyurethane oligomer which includes a polycarbonate diol, and from 5% to 50%, based on the total weight of unsaturated material, of a polyethylenically unsaturated isocyanurate, such as a triacrylate of tris(2-hydroxyethyl) isocyanurate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.