Patent ID: 9030008
Filing Date: 2015-05-12
Classification: C09D,C09J,C09K,C23F,H01L,H05K

Abstract:
1. An adhesion promoting composition useful in treating metal surfaces prior to bonding polymeric materials to the metal surfaces, the adhesion promoting composition comprising: a) an oxidizer; b) an inorganic acid; c) a corrosion inhibitor; and d) an organic phosphonate selected from the group consisting of 1-hydroxy-1,1-ethylidene diphosphonate, amino tri(methylene-phosphonic acid), amino tri (methylene-phosphonic acid)pentasodium salt, 1-hydroxyethylene-1,1-diphosphonic acid, 1-hydroxyethylene-1,1-diphosphonic acid tetrasodium salt, ethylene diamine tetra(methylene phosphonic acid), ethylene diamine tetra(methylene phosphonic acid) pentasodium salt, hexamethylenediamine tetra(methylene phosphonic acid) potassium salt diethylenetriamine penta(methylene phosphonic acid), diethylenetriamine penta(methylenephosphonic acid) trisodium salt, diethylenetriamine penta (methylenephosphonic acid) pentasodium salt, diethlenetriamine penta(methylene phosphonic acid) pentasodium salt; bis-hexamethylene triaminepenta((methylenephoshonic acid) chloride salt, 2-phosphonobutane-1,2,4-tricarboxylic acid, tetrasodium salt of 1-hydroxy ethylidene (1,1-diphosphonic acid) and combination of one or more of the foregoing.