C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/80 (2006.01) C08G 18/46 (2006.01) C08G 18/62 (2006.01) C08G 18/79 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2387783
The invention provides novel isocyanate-based compounds. Such novel compounds can be used in essentially all applications where conventional isocyanate- based compounds are employed. In other words, the novel isocyanate-based compounds can be used in the making of liquid and powder coating compositions, adhesives, rigid and moldable plastics and foams. The isocyanate-based compounds of the present invention include a polyfunctional isocyanate compound which is at least partially blocked with at least one of the following: a polyhydroxy aromatic compound, or a mixture of a polyhydroxy aromatic compound and a hydroxy-functional ester compound. The present invention further provides compositions which include the aforementioned novel isocyanate-based compound as a component. These compositions can be in the form of liquid coating compositions, powder coating compositions, powder slurry coating compositions, plastic compositions, adhesive compositions, or polymeric foam compositions.
L'invention concerne de nouveaux composés à base d'isocyanate. Ces nouveaux composés peuvent être utilisés principalement dans toutes les applications employant des composés à base d'isocyanate classiques. Autrement dit, les nouveaux composés à base d'isocyanate peuvent être utilisés dans la fabrication de compositions de revêtement liquides et en poudre, d'adhésifs, de plastiques et de mousses rigides moulables. Les composés à base d'isocyanate de l'invention comprennent un composé d'isocyanate polyfonctionnel qui est au moins partiellement séquencé à l'aide d'un composé aromatique polyhydroxy et/ou d'un mélange d'un composé aromatique polyhydroxy et d'un composé d'ester hydroxyfonctionnel. L'invention concerne en outre des compositions qui comprennent comme constituant le nouveau composé à base d'isocyanate mentionné. Ces compositions peuvent être sous la forme de compositions de revêtement liquides, en poudre ou en pâte, de compositions plastiques ou adhésives, ou de compositions de mousse polymère.
Ambrose Ronald R.
Chasser Anthony M.
Retsch William H. Jr.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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