Polyol blends
US4481127A · kind A · utility
2Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1983 |
| Grant date | Nov 6, 1984 |
| Priority date | — |
| Expiry date | Aug 5, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/664
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is directed to a polyol blend comprising: PA0 (a) from about 5 to about 30% by weight of a member selected from the group consisting of 1,4-butanediol, ethylene glycol, and mixtures thereof, and PA0 (b) from about 70 to about 95% by weight of a polyester polyol produced by reacting from 10 to 60 parts by weight of adipic acid with from 40 to 90 parts by weight of a polyoxyethylene glycol having a molecular weight of from 150 to 680, the parts of adipic acid and polyoxyethylene glycol being 100, and wherein said polyester has an hydroxyl number of from about 25 to about 130, and an acid number of 2 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.