Vegetable oil extended polyurethane systems
US4375521A · kind A · utility
65Cited by
11References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1981 |
| Grant date | Mar 1, 1983 |
| Priority date | — |
| Expiry date | Jun 1, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L91/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A vegetable oil extended polyurethane system comprising the reaction product of an isocyanate terminated polyisocyanate with a polyol in the presence of a vegetable oil and, optionally, a plasticizer, said polyurethane systems being applicable for use as reenterable encapsulants for sealing insulated electrical devices, as hard, permanent encapsulants and as general polyurethane elastomers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.