"Fire retardant curable 1-oxa-3-aza tetraline (also termed ""3,4-dihydro-1,3-benzoxazine"") derived resin composition"
US5021484A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1989 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Jul 7, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/016
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A resin which may be cured to form a polymeric resin which is diffcultly inflammable and resistant to high temperatures, said resin being a mixture of PA0 (a) a resin component comprising at least one thermically curable 1-oxa-3-aza tetraline group containing compound and optionally a curable epoxy compound; and of PA0 (b) a second component comprising at least one flame retardant selected from the group consisting of: aluminum hydroxide; hydrated calcium magnesium carbonate; magnesium hydroxide; element red phosphorus, oxygen acids of phosphorus; inorganic salts of oxygen acids of phosphorus; organic salts of oxygen acids of phsophorus; polyphosphates; boric acid; salts of boric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.