Thermoplastic polyurethane elastomer
US4124572A · kind A · utility
25Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 1977 |
| Grant date | Nov 7, 1978 |
| Priority date | — |
| Expiry date | Jul 5, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/4018
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Thermoplastic polyurethanes prepared from a reaction mixture comprising: PA1 (a) a poly(oxypropylene)-poly(oxyethylene) glycol of molecular weight from 1000 to about 3000 containing 25-60% by weight oxyethylene groups; PA1 (b) a polyester polyol of molecular weight from 1000 to about 3000; PA1 (c) a polyisocyanate; and PA1 (d) a low molecular weight polyol chain extender. The elastomers are useful in automotive product applications, cattle ear tags, coatings and coated fabrics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.