Oxazolidone catalyst
US4066628A · kind A · utility
43Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1976 |
| Grant date | Jan 3, 1978 |
| Priority date | — |
| Expiry date | Aug 2, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/222
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Oxazolidones are produced by reacting an organic isocyanate with an epoxide in the presence of a catalyst selected from the group consisting of dialkyl zinc, zinc carboxylate, organozinc chelate compound and trialkyl aluminum. Polyoxazolidones produced according to the present invention are useful starting materials for the manufacture of a wide variety of product including foams, coatings, adhesives, elastomers and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.