C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/10 (2006.01) C09D 175/12 (2006.01)
Patent
CA 2489384
A polyurethane composition is disclosed that comprises an isocyanate- terminated polyurethane prepolymer, and a curative agent including a polyaspartic ester. Desirably, the curative agent includes a co-curative agent including a polyaspartic ester. Desirably, the curative agent includes a co- curative selected from the group consisting aromatic diamines and diols. This composition is useful for rotationally casting cylindrical parts. The invention includes the method for coating a cylindrical object.
L'invention concerne une composition de polyuréthanne qui contient un prépolymère de polyuréthanne à terminaison isocyanate, et un agent de durcissement comprenant un ester polyaspartique. De préférence, ledit agent de durcissement contient un co-agent de durcissement sélectionné dans le groupe comprenant des diamines aromatiques et des diols. Cette composition sert à couler par rotation des pièces cylindriques. L'invention concerne également un procédé de revêtement d'un objet cylindrique.
Crompton Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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