Production of solvent resistant brominated and/or chlorinated aromatic polyester fibrous materials
US4101399A · kind A · utility
4Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1976 |
| Grant date | Jul 18, 1978 |
| Priority date | — |
| Expiry date | Mar 8, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/6824
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to the irradiation of compositions comprising non-ethylenically unsaturated brominated and chlorinated aromatic polyester fibrous materials with low intensity ultraviolet light radiation for relatively brief periods of time under appropriate conditions to yield a product of enhanced solvent resistance. The irradiation of the halogenated polyesters (as defined) generates free radicals within the fibrous material which react to produce sufficient cross-linking to enhance solvent resistance without a significant detrimental change of other product properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.