Aromatic polysulphone coated article and bonded structure
US4020046A · kind A · utility
13Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1975 |
| Grant date | Apr 26, 1977 |
| Priority date | — |
| Expiry date | May 6, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L81/06
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A solid surface is coated with an adhesive composition comprising an aromatic polysulphone which has a reduced viscosity of at least 0.3 and which contains at least 0.2 (desirably 0.5 to 3.5) hydroxyl groups per 100 polymer repeat units and has been heated at 330.degree. C to 450.degree. C in the presence of oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.