Fluorinated polyurethanes containing polyoxyperfluoro-alkylene blocks, endowed with improved mechanical characteristics
US4782130A · kind A · utility
19Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1986 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Feb 12, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/773
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Fluorinated polyurethanes, having improved mechanical characteristics and a glass transition temperature lower than -80.degree. C., containing polyoxyperfluoroalkylene blocks deriving from perfluoropolyethers having hydroxylated end groups and/or from perfluoropolyethers having isocyanate end groups and furthermore units deriving from an aromatic or a cycloaliphatic diol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.