Thiolene-based compositions with extended pot life
US9796858B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2016 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Sep 13, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D175/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method comprising (a) applying a composition to a substrate as a substantially continuous coating on the substrate, (b) curing the coating, wherein the composition comprises: (i) a polyene, (ii) a polythiol, (iii) 0.001 to 20 percent by weight of an anhydride, and (iv) up to 80 percent by weight of a pigment, particularly wherein the mole ratio of (ii) to (i) being from 0.1 to 10/1; the percentage by weight of (iii) being based on weight of resin solids in the composition and the percentage by weight of (iv) being based on solids weight of the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.