Back to results
US 9,057,002 B2Granted
Curable resin compositions
AssigneeDow Global Technologies LLC
InventorsAngela I. Padilla-Acevedo, Ludovic Valette, Michael J. Mullins, Kandathil E. Verghese, Mark B. Wilson
Life of this patent
Estimating the term…
Abstract
A curable epoxy resin composition including (a) at least one epoxy resin; and (b) at least one hardener; wherein the curable epoxy resin composition has at least two exotherm peaks representing at least two distinct chemical reactions and wherein the exothermic peak difference of the two exotherm peaks is sufficient to allow the curable epoxy resin composition of being B-staged.
Claims14
A curable epoxy resin composition comprising (a) at least one epoxy resin;
- and (b) at least one hardener;
- wherein the curable epoxy resin composition is at least a three-component composition, such that the three-component composition includes (i) (a1) at least a first epoxy resin;
- and (a2) at le second epoxy resin different from the first epoxy resin and at least one hardener component (b);
- or (ii) at least one epoxy resin component (a) and (b1) at least a first hardener, and (b2) at least a second hardener different from the first hardener;
- wherein the curable epoxy resin composition has at least two exotherm peaks representing at least two distinct chemical reactions and wherein the exothermic peak difference of the two exotherm peaks, when measured by differential scanning calorimetry with a heating rate of 10° C./minute, is greater than or equal to 20° C. and sufficient to allow the curable epoxy resin composition to be B-staged.
2 more elements
Dependencies are inferred from the claim text.