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US 4,555,563 AGranted
Imide functional polyphenols; thermosettable compositions containing same and cured products therefrom
AssigneeThe Dow Chemical Company
InventorsRobert E. Hefner, Jr., Mary N. White
Life of this patent
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Abstract
Imide functional polyphenols are prepared by reacting an excess of a phenol with an unsaturated diimide which is prepared by reacting an unsaturated polycycloaliphatic dicarboxylic acid anhydride with a diamine. These materials are useful in the preparation of castings, coatings, laminates and the like.
Claims9
A composition comprising any one or a combination of any two or more of the materials represented by formulas I and II ##STR17## wherein each Q is independently ##STR18## each R is independently a hydrocarbyl group having from 1 to about 10 carbon atoms or a ##STR19## group;
- each A is independently a divalent hydrocarbyl group having from 1 to about 10, carbon atoms, --S--, --S--S--, --O--, ##STR20## each R' is independently hydrogen, chlorine, bromine, a hydrocarbyl or hydro-carbyloxy group having from 1 to about 3 carbon atoms;
- each R" is hydrogen or a hydrocarbyl group having from 1 to about 3 carbon atoms;
- Z is independently hydrogen or a group represented by the formulas ##STR21## or --C.tbd.N wherein R" is hydrogen or a hydrocarbyl group having from 1 to about 4 carbon atoms;
- each x has a value of zero or 1;
- each y has a value of zero or 1;
- each n independently has an average value from zero to about 20, and n.sup.1 has a value from zero to about 10.
3 more elements
Dependencies are inferred from the claim text.