18835189. COLOR STABLE EPOXY COMPOSITIONS (3M INNOVATIVE PROPERTIES COMPANY)
COLOR STABLE EPOXY COMPOSITIONS
Organization Name
3M INNOVATIVE PROPERTIES COMPANY
Inventor(s)
Yangbin Chen of Lake Elmo MN US
Eric G. Larson of Lake Elmo MN US
COLOR STABLE EPOXY COMPOSITIONS
This abstract first appeared for US patent application 18835189 titled 'COLOR STABLE EPOXY COMPOSITIONS
Original Abstract Submitted
Curable compositions include a non-aromatic epoxy-functional epoxy resin adduct, a non-aromatic epoxy resin, and a non-aromatic anhydride-based curing agent. The epoxy resin adduct is the reaction product of a reaction mixture including a polyfunctional thiol and a poly functional epoxy resin. The cured composition has an Izod Impact Test (Notched Izod) test method (ASTM D256) value of at least 40 J/m and is color stable such that upon exposure to an acid bath in accordance with the Acid Bath Test Method, exhibits a ÎE 94 color change of less than 1.