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US 9,845,387 B2Granted
Toughened epoxy thermosets containing core shell rubbers and polyols
AssigneeBlue Cube IP LLC
InventorsGyongyi Gulyas, Maurice J. Marks
Life of this patent
Estimating the term…
Abstract
A curable resin composition comprising: a) an epoxy resin; b) an anhydride hardener; c) a polyol; d) a core shell rubber, and (e) a catalyst, is disclosed. When cure the resin composition can be used to formulate composites, coatings, laminates, and adhesives.
Claims13
A curable epoxy resin composition comprising:
- a. at least one liquid epoxy resin;
- b. at least one epoxy novolac resin;
- c. at least one cycloaliphatic epoxy resin;
- d. at least one divinylarene dioxide;
- e. at least one anhydride hardener;
- f. at least one aliphatic polyol
- g. a core shell rubber;
- and
- h. at least one catalyst;
- wherein the weight ratio of the core shell rubber to the polyol ranges from about 0.1:1 to 15:1;
- wherein the at least one liquid epoxy resin comprises bisphenol A diglycidyl ether, bisphenol F diglycidyl ether, or resorcinol diglycidyl ether;
- and
- wherein components a., b., c., and d. are each different.
10 more elements
A process for preparing a curable resin composition, the process comprises admixing:
- a. at least one liquid epoxy resin;
- b. at least one epoxy novolac resin;
- c. at least one cycloaliphatic epoxy resin;
- d. at least one divinylarene dioxide;
- e. at least one anhydride hardener;
- f. at least one aliphatic polyol
- g. a core shell rubber;
- and
- h. at least one catalyst;
- wherein the weight ratio of the core shell rubber to the at least one aliphatic polyol ranges from about 0.1:1 to 15:1;
- wherein the at least one liquid epoxy resin comprises bisphenol A diglycidyl ether, bisphenol F diglycidyl ether, or resorcinol diglycidyl ether;
- wherein components a., b., c., and d. are each different;
- and
- wherein the above composition is mixed using a high speed mixer.
11 more elements
A cured resin composition comprising:
- a. at least one liquid epoxy resin;
- b. at least one epoxy novolac resin;
- c. at least one cycloaliphatic epoxy resin;
- d. at least one divinylarene dioxide;
- e. at least one anhydride hardener;
- f. at least one aliphatic polyol
- g. a core shell rubber;
- and
- h. at least one catalyst;
- wherein the weight ratio of the core shell rubber to the at least one aliphatic polyol ranges from about 0.1:1 to 15:1;
- wherein the at least one liquid epoxy resin comprises bisphenol A diglycidyl ether, bisphenol F diglycidyl ether, or resorcinol diglycidyl ether;
- and
- wherein components a., b., c., and d. are each different.
10 more elements
Dependencies are inferred from the claim text.