C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 175/04 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C09J 175/08 (2006.01)
Patent
CA 2316311
A one-part moisture curable adhesive comprising an isocyanate-terminated prepolymer and an organic monosulfonic acid. The adhesives of the present invention permit bonding to various substrates without the need for a primer. The adhesives of the present invention enable adhesion to acid-resistant paints, melamine carbamate, and acrylic melamine, which have previously been especially difficult to adhere to. A method for using the adhesive composition is also disclosed.
L'invention concerne un adhésif en un pièce réticulable par l'humidité comprenant un prépolymère à terminaison isocyanate et un acide organique monosulphonique. Les adhésifs permettent la liaison à divers substrats sans avoir à recourir à une couche de fond. Les adhésifs permettent l'adhérence à des peintures résistant aux acides, au mélamine carbamate et à la mélamine acrylique qui étaient auparavant réputés difficilement adhérants. Fait aussi l'objet de cette invention un procédé d'utilisation de ladite composition adhésive.
Lin Renhe R.
Mahdi Syed Z.
Essex Specialty Products Inc.
Smart & Biggar
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