| abstract |
One embodiment is a pressure sensitive adhesive construct comprising:n (a) a backing substrate; and (b) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive composition includes a product made fromn (i) at least one epoxidized vegetable oil and; (ii) a dimer acid or anhydride thereof, a trimer acid or anhydride thereof, a polymerized fatty acid or anhydride thereof, or a mixture thereof. n nn A further embodiment is a pressure sensitive adhesive construct comprising:n (A) a backing substrate; and (B) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive composition includes a product made fromn (i) at least one epoxidized vegetable oil and; (ii) a prepolymer or oligomer capped with a carboxylic acid group at both prepolymer or oligomer chain ends, or a branched prepolymer or oligomer with at least two of the prepolymer or oligomer branches and chain ends capped with a carboxylic acid group, wherein the carboxylic acid-capped prepolymer or oligomer is made from (a) a dibasic acid reacted with (b) a glycidyl or an epoxidized compound having at least two epoxy groups, a diol or polyol, a diamine, or a combination thereof. |