abstract |
A RESINOUS COMPOSITION, SUITABLE AS A LOW COST POTTING COMPOUND, IS MADE FROM A MIXTURE CONTAINING ABOUT 90 TO 120 PARTS OF A CYCLOALIPHATIC OR ACYLIC ALIPHATIC NONGLYCIDYL ETHER EPOXY RESIN, ABOUT 5 TO 120 PARTS OF A DIGLYCIDYL ETHER EPOXY RESIN, ABOUT 50 TO 200 PARTS OF AN ACID ANHYDRIDE AND ABOUT 0.08 TO 0.9 PART OF A QUATERNARY ORGANIC PHOSPHONIUM SALT ACTING AS A LATENT CATALYST. |