C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/02 (2006.01) C08J 7/12 (2006.01) C23C 18/20 (2006.01) C23C 18/22 (2006.01) C25D 5/56 (2006.01) H05K 3/38 (2006.01) H05K 9/00 (2006.01)
Patent
CA 2145870
The invention is directed to a process for treating polymer-containing workpiece surfaces to an aqueous non-aging solution. In addition to the swelling agents used for swelling, alkalizing agents and basic salts, the solution applied in the process contains at least one solubilizer for the swelling agent in the solution which is selected from the group of organic compounds having the general formula HO-A(OH)-R, where A represents a branched or unbranched alkene chain, R represents a branched or unbranched alkyl group or hydrogen, and A and R together contain at least three carbon atoms. The process and the swelling solution can be used for metallizing polymers.
L'invention concerne un procédé de traitement de surfaces de pièces contenant des polymères et une solution aqueuse inaltérable par le vieillissement. Selon ce procédé, on utilise une solution qui contient, outre des agents de gonflement, des agents alcalinisants et des sels basiques, au moins un agent solubilisant supplémentaire pour l'agent gonflant contenu dans la solution, sélectionné dans le groupe des composés organiques répondant à la formule générale: HO-A(OH)-R, dans laquelle A désigne une chaîne alkylène ramifiée ou non, R désigne un groupe alkyle ramifié ou non ou bien hydrogène, et A et R contiennent ensemble au moins trois atomes de carbone. Ce procédé et cette solution de gonflement peuvent être utilisés pour la métallisation de polymères.
Middeke Hermann-Josef
Schafer Claus
Atotech Deutschland Gmbh
Riches Mckenzie & Herbert Llp
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