Patent ID: 6030662
Filing Date: 2000-02-29
Classification: C08J

Abstract:
A treatment method for surface energy reduction comprising:coating a surface of a substrate with a first coating compound having a reactive functional group to form a coating on a substrate; andsubjecting the coated substrate to an interfacial contact reaction with a second coating composition having at least one low-energy functional group and a reactive functional group that reacts with the functional group in the first coating compound;wherein the low-energy functional group is at least one member selected from the group consisting of long-chain alkyl groups having 12 or more carbon atoms, perfluoro groups, and dimethylsiloxane groups;wherein the reactive functional groups in the first and second coating compositions are selected from the group consisting of primary amino, secondary amino, isocyanate acid chloride, epoxy, vinyl, acid anhydride, carboxylic acid, aziridine, mercapto, hydrosilyl, and hydroxyl groups; andwherein the interfacial contact reaction between the reactive functional groups in the first and second coating compositions fixes the low-energy functional groups to the substrate surface thereby reducing the surface energy of the substrate surface.