C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/70 (2006.01) C08G 18/75 (2006.01) C08G 18/79 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2577869
The present invention is to emulsifiable polyisocyanate compositions comprising the reaction product of (i) an aliphatic polyisocyanate and (ii) an emulsifier wherein the polyisocyanate comprises a mixture of two or more isomers of cis-1,3-bis(isocyanatomethyl)cyclohexane, trans-1,3- bis(isocyanatomethyl)cyclohexane, cis-1,4- bis(isocyanatomethyl)cyclohexane or trans-1,4- bis(isocyanatomethyl)cyclohexane, with the proviso said isomeric mixture comprises at least about 5 weight percent of said trans-1,4- bis(isocyanatomethyl)cyclohexane. The emulsifiable polyisocyanates are particularly in formulations for producing paints and varnishes, coatings, adhesives, impregnating materials and sealants.
La présente invention concerne des compositions de polyisocyanate émulsifiable contenant le produit de réaction (i) d'un polyisocyanate aliphatique et (ii) d'un émulsifiant, ledit polyisocyanate renfermant un mélange d'au moins deux isomères de cis-1,3-bis(isocyanatométhyl)cyclohexane, trans-1,3-bis(isocyanatométhyl)cyclohexane, cis-1,4- bis(isocyanatométhyl)cyclohexane ou trans-1,4- bis(isocyanatométhyl)cyclohexane, à condition que ledit mélange isomère contienne au moins environ 5 % en poids dudit trans-1,4- bis(isocyanatométhyl)cyclohexane. Les polyisocyanates émulsifiables sont particulièrement appropriés à des préparations de production de peintures et de vernis, de revêtements, d'adhésifs, de matières d'imprégnation et de produits d'étanchéité.
Argyropoulos John N.
Bhattacharjee Debkumar
Erdem Bedri
Jimenez Jorge
Dow Global Technologies Inc.
Dow Global Technologies Llc
Smart & Biggar
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