Char-forming polymer, moldable composition and method
US4571418A · kind A · utility
8Cited by
4References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 12, 1984 |
| Grant date | Feb 18, 1986 |
| Priority date | — |
| Expiry date | Mar 12, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S260/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The char residue formation of molded compositions, upon combustion, is improved by incorporating into the moldable composition a char-forming polymer containing recurring units of at least one monomer capable of undergoing tautomerization, at least one monomer capable of undergoing a nucleophilic substitution reaction by said monomer capable of undergoing tautomerization and, optionally, at least one additional copolymerizable monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.