Intumescent flame-resistant coating composition
US4695619A · kind A · utility
6Cited by
1References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1985 |
| Grant date | Sep 22, 1987 |
| Priority date | — |
| Expiry date | Jul 17, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/185
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A polymeric or plastic coating is provided which protects coated structures by forming an intumescent insulative fire resistant barrier. The coating is formed from the product of mixing an aromatic polyisocyanate, an aromatic polycarboxylic compound and about 1 to about 20% by weight of furfuryl alcohol. The structure to be protected is coated with the product of the mixture and the coating is dried. An intumescent polyimide fire resistant foam is formed when the coating is exposed to a (non-flame) heat source at temperature ranging from about 110.degree. C. to about 140.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.