Stain resistant urethane-vinyl aqueous coating compositions
US9074038B2 · kind B2 · utility
3Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2004 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jul 30, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L33/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An aqueous coating composition, which when in the form of a film exhibits an MVTR of ≦500 g/m2/24 h comprising 20 to 80 wt % of a polyurethane A with an acid value of 8 to 40 mg KOH/g and a hard segment content ≧40 wt %, a ring structure content ≧48 wt % and 80 to 20 wt % of a vinyl polymer B with a Tg≧20° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.