Patent ID: 8399532

Claim:
A spray foam composition, comprising a reaction product of an B side component comprising a resin blend composition with a A side component comprising a polyfunctional isocyanate, wherein the spray foam composition has an NCO index of about 120 to 250 at a volume ratio of A:B of about 1:1 to 3:1, wherein A is the A side component, and wherein B is the B side component, wherein the spray foam composition has a bio-based content of 7% by weight or greater as measured by ASTM 06866, wherein the resin blend composition comprises an aromatic polyol composition; a surfactant, a catalyst, and a blowing agent, wherein the aromatic polyol composition consists of the direct reaction product of: a mixture consisting essentially of di-ethyl glycol; one or more substances selected from an aromatic acid, an aromatic ester, and an aromatic anhydride; and 15 to 30% by weight of the aromatic polyol composition of tall oil fatty acid in combination with palmitic acid.