C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/32 (2006.01) C08G 18/10 (2006.01) C08G 18/80 (2006.01) C08L 63/00 (2006.01) C08L 75/04 (2006.01) C09D 175/00 (2006.01)
Patent
CA 2046455
The present invention is directed to a one-component polyurethane or polyurea composition which may be cured at either ambient or elevated temperature and is based on a) a liquid blocked polyisocyanate wherein the isocyanate groups have been blocked with a phenolic blocking agent. b) a solid polyamine salt which is insoluble in and dispersed throughout the liquid blocked polyisocyanate, the solid polyamine salt being based on the reaction product of a polyamine with an organic or inorganic acid. The present invention is also directed to a process for the preparation of a high molecular weight polymer by heating the one-component composition at elevated temperature or by adding a polar solvent to the above coating composition and allowing the composition to cure.
Markusch Peter H.
Squiller Edward P.
Corporation Bayer
Mobay Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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