Intumescent polymer compositions
US6632442B1 · kind B1 · utility
18Cited by
9References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2000 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | Aug 4, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An intumescent polymer composition includes a matrix polymer, an acid catalyst source, a nitrogen source and an ionic phyllosilicate synergist having substantial cationic exchange capacity. Particularly preferred ionic phyllosilicates are montmorillonoids whereas pentaerythritol phosphate is a preferred acid catalyst source:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.