C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/32 (2006.01) C08G 18/38 (2006.01) C08G 18/79 (2006.01) C09D 175/12 (2006.01) F16L 58/10 (2006.01)
Patent
CA 2758796
Methods of forming a coating on (e.g. internal) surfaces of a (e.g. drinking water) pipeline with two-part coating compositions comprising a first part comprising at least one polyisocyanate and a second part comprising at least one aspartic acid ester. Also described is a reactive two-part coating composition comprises a first part comprising at least one polyisocyanate; and a second part comprising at least one aspartic acid ester and at least one aromatic amine that is a solid at 25°C.
La présente invention concerne des procédés de revêtement de la surface (par exemple intérieure) d'une conduite (par exemple d'eau potable) au moyen de compositions de revêtement en deux parties comprenant une première partie comportant au moins un polyisocyanate et une seconde partie comportant au moins un ester d'acide aspartique. L'invention concerne également une composition de revêtement réactive en deux parties comprenant une première partie comportant au moins un polyisocyanate et une seconde partie comprenant au moins un ester d'acide aspartique et au moins une amine aromatique se présentant sous forme solide à 25 °C.
Fores Stuart E.
Kochanewycz Michael J.
Robinson Ian
3m Innovative Properties Company
Smart & Biggar
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