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US 10,377,929 B2Granted
Vacuum infusion adhesive and methods related thereto
AssigneeWestech Aerosol Corporation
InventorsDavid W. Carnahan, Robert R. Yuodelis, James C. Manlove
Life of this patent
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Abstract
An epoxy adhesive that is adapted to enable spray delivery and seamless polymerization during epoxy resin vacuum infusion techniques is disclosed. The epoxy adhesive can include one or more epoxy resins and one or more solvents that are used to dissolve the one or more epoxy resins. An adduct, a tackifier, and fumed silica can also be added to the adhesive.
Claims12
An adhesive composition, comprising:
- a mixture of epoxy resins dissolved in one or more solvents, wherein the mixture of epoxy resins comprises:
- (1) an epoxy resin with a weight per epoxide value of 1500 to 4000 grams per equivalent;
- (2) an epoxy polyacrylate resin with a weight per epoxide value of 200 to 350 grams per equivalent;
- and
- (3) a carboxyl terminated butadiene nitrile (CTNB) modified epoxy resin with a weight per epoxide value of 180 to 1000 grams per equivalent.
2 more elements
Dependencies are inferred from the claim text.