C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 75/04 (2006.01) B32B 7/12 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/12 (2006.01) C08G 18/46 (2006.01) C08G 18/72 (2006.01) C08G 18/75 (2006.01) C08G 18/83 (2006.01) C09J 175/04 (2006.01) C09J 175/06 (2006.01)
Patent
CA 2198964
A process for the preparation of sulfonated polyurethane-urea polymers, which are useful film to film laminating adhesives for flexible packaging in which the urethane-urea polymer component has no amide linkages. The water-based sulfonated polyurethane prepolymers are processed at reduced temperatures and are substantially free of volatile and/or leachable contaminants.
Procédé pour la préparation de polymères de polyuréthane-urée sulfonés qui sont utiles comme adhésifs de complexage film-film pour les emballages souples dans lesquels la composante de polymère d'uréthane-urée n'a pas de liaisons amide. Les prépolymères de polyuréthane sulfonés à base d'eau sont traités à des températures réduites et sont substantiellement libres de contaminants volatils et/ou lixiviables.
Dochniak Michael
Duan Youlu
Gwost Douglas
Lindquist Lowell
Rhein Scott
H.b. Fuller Licensing & Financing Inc.
Rogers Law Office
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