C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/141, 400/550
C08G 18/20 (2006.01) C08G 18/65 (2006.01) C08G 18/68 (2006.01) C08G 18/78 (2006.01) C08G 18/79 (2006.01)
Patent
CA 1247785
ABSTRACT OF THE DISCLOSURE A process of preparing a fast reacting, light stable, sprayable or injectable polyester-modified polyurethane polymer reaction product to prepare coatings or molded products, which process comprises admixing and reacting together: a trimerized or biuret aliphatic polyisocyanate, such as a trimerized or biuret hexamethylene diisocyanate prepolymer; a polyamine to react as a chain extender for the prepolymer, such as for example, a di- ethyltoluene diamine, in an amount sufficient to react substantial- ly with the free NCO groups of the trimerized or biuret prepolymer; an unsaturated polyester subject to cross linking by the use of a metal salt promotor, such as a cobalt salt promotor, and a per- oxide initiator; the cobalt salt and the peroxide initiator present in an amount to provide for the curing of the unsaturated polyester.
507600
Fetherstonhaugh & Co.
Urylon Development Inc.
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