Vinyl tile and production thereof
US4180615A · kind A · utility
69Cited by
2References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 1978 |
| Grant date | Dec 25, 1979 |
| Priority date | — |
| Expiry date | May 19, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Vinyl floor or wall tile is surfaced with a clear, durable wear layer. The wear layer comprises urethane compound photo-polymerized from a fluid coating composition having a volatility of at least 2 percent and comprising at least 2 photo-polymerizable ethylenically unsaturated groups of the general structure: ##STR1## where R is either H or CH.sub.3. The wear layer is applied to a continuous sheet of vinyl composition traveling at a rate of at least about 80 ft./min. at a temperature of at least about 110.degree. F., and cured by exposure to ultra-violet radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.