Heat-resistant polymers based on polyamines and oligomers possessing imide groups with unsaturated polyester
US4064193A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1975 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Feb 18, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A heat resistant heat-curable polymer composition obtained by reacting, between 50.degree. C. and 350.degree. C., (a) an oligomer having the average general formula: ##STR1## in which x represents a number from 0.1 to about 2, R represents a divalent hydrocarbon radical with 1 to 8 carbon atoms, which is derived from an aldehyde or a ketone of the general formula: EQU O.dbd.R in which the oxygen atom is bonded to a carbon atom of the radical R, and T represents a divalent organic radical possessing 2 to 24 carbon atoms, the free valencies of which are on adjacent carbon atoms and which is derived from an internal anhydride of the general formula: ##STR2## at least 60% of the T radicals in the oligomer containing a polymerizable carbon-carbon double bond, with (b) a polyamine of the general formula: EQU Q(NH.sub.2).sub.y in which y represents an integer at least equal to 2 and Q represents an organic radical of valency y, the relative amounts being such that the oligomer supplies 1.1 to 50 T radicals containing a polymerizable carbon-carbon double bond per --NH.sub.2 group supplied by the polyamine is provided. The properties of the composition can be improved by incorporating there…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.