Process for producing polyisocyanate and resin composition comprising said polyisocyanate for use in paints
US4647623A · kind A · utility
12Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1985 |
| Grant date | Mar 3, 1987 |
| Priority date | — |
| Expiry date | Sep 17, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2120/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing a polyisocyanate containing an isocyanurate ring which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a cycloalkylene diol in the presence of an isocyanurating catalyst; and a resin composition for use in non-yellowing fast-drying urethane paints, comprising (A) the aforesaid polyisocyanate and (B) an acrylic polyol having a number average molecular weight of 2,000 to 30,000 and a hydroxyl value of 20 to 200.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.