Polyols from tall oil and aromatic polyester polyols

Details Polyols from tall oil and aromatic polyester polyols Polyols from tall oil and aromatic polyester polyols

C - Chemistry, Metallurgy

09

F

260/124, 403/40

C09F 7/10 (2006.01) C08G 18/42 (2006.01)

Patent

CA 1311470

718p Trowell 17 POLYOLS FROM TALL OIL AND AROMATIC POLYESTER POLYOLS Abstract of the Disclosure Disclosed are polyester polyols that will dissolve at least 30% by weight of a trichlorofluoromethane blowing agent, have a hydroxyl number of 90-350 and a viscosity of 1,000-18,000 cps at 25°C, a process for making them by esterifying a mixture of aromatic polyester polyols with tall oil, and their use in the manufacture of polyurethane and urethane-modified polyisocyanurate foams and laminates comprising such foams.

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