Urethane polymer composition and preparation of articles from these polymers
US5057573A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Jan 17, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a urethane polymer composition which contains: PA0 an .alpha., .omega.-diol oligomer PA0 an isocyanate, PA0 a chain extender diol, and PA0 an emulsifying agent which is the product of reaction between: PA0 (a) an .alpha., .omega.-diol oligomer whose structure is identical or close in polarity to that of the above .alpha., .omega.-diol oligomer, PA0 (b) a diisocyanate, and optionally PA0 (c) a chain extender of the diol or monoalcohol type, such as a monofunctional polyethylene oxide. It also relates to a process for the preparation of articles from this composition and to the molded articles thus obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.