Patent ID: 9624411
Date: 2017-04-18
CPC Classifications: B29C,B29K,B29L,C08G,C09J

Claim:
1. A spray adhesive composition for epoxy resin vacuum infusion techniques comprising a mixture of epoxy resins dissolved in (4) 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 a viscosity of 200 to 1500 cP at 25° C., and (3) a carboxyl terminated butadiene nitrile (CTNB) modified epoxy resin with a weight per epoxide value of 180 to 1000 grams per equivalent; wherein the spray adhesive composition is capable of cross-linking and structurally integrating with a catalyzed epoxy infusion resin to form a single integrated cured structure.