Flameproofing composition for polypropylene comprising a halogenated alkylaryl ether, an organo-tin compound and a sterically hindered phenol or bisphenol
US4532287A · kind A · utility
18Cited by
5References
20Claims
0Family size
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Key dates
| Filing date | May 11, 1984 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | May 11, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K21/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions for flameproofing polymeric material comprising: PA0 (a) a halogenated alkylaryl ether, the aryl group of which may be substituted by halogen; PA0 (b) an organo-tin compound; and PA0 (c) a sterically hindered phenol or a bisphenol containing a sterically hindered --OH group on each phenyl. In this specification by the term "bisphenol" is meant a compound containing two phenol groups linked by a bridging group that is not attached to any other bisphenol groups and by the term "phenol" is meant compounds containing only a single phenol group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.