Aqueous non-ionically stabilised epoxy resins

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 163/10 (2006.01) C08F 299/02 (2006.01) C08G 18/67 (2006.01) C08G 59/14 (2006.01) C08G 59/16 (2006.01) C08L 63/10 (2006.01) C09D 175/14 (2006.01) C08L 75/14 (2006.01)

Patent

CA 2502961

The invention relates to aqueous radiation-hardenable, non ionically stabilised resins ABC containing binding agents; containing components of epoxy resins A which are modified by polyethylene glycol, epoxy resins B which are devoid of polyethylene glycol, and acids C which are olefinically unsaturated. At least 50 % of all the reaction products derived from the epoxy resins A and B contain at least one ester group which is formed by reacting a terminal epoxy group with an olefinically unsaturated acid C. The invention also relates to methods for the production of said resins and the use thereof as coating agents.

L'invention concerne des liants aqueux durcissables par rayonnement contenant des résines époxy ABC stabilisées de façon non ionique, lesquels contiennent des unités de résines époxy A modifiées avec du polyéthylèneglycol, de résines époxy B exemptes de polyéthylèneglycol, et d'acides C oléfiniquement insaturés. Au moins 50 % de tous les produits de réaction dérivés des résines époxy A et B contiennent au moins un groupe ester qui est formé par réaction d'un groupe époxy terminal avec un acide C oléfiniquement insaturé. L'invention concerne également un procédé de production de ces liants et leur utilisation en tant qu'agent de recouvrement.

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