Composition for metal surface treatment, treating liquid for...

C - Chemistry – Metallurgy – 23 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C23C 22/06 (2006.01) B32B 15/08 (2006.01) C23C 22/50 (2006.01) C23C 22/53 (2006.01)

Patent

CA 2591214

A surface-treating composition which is a treating liquid containing no ingredients harmful to the environment; such a treating liquid has been difficult to obtain with any conventional technique. The composition enables a coating film having excellent corrosion resistance after coating to be deposited through surface treatment on a surface of a metallic material, e.g., an iron-based metallic material. The composition, which is for the surface treatment of a metal comprising iron and/or zinc, comprises the following ingredients (A), (B), and (C): (A) a compound containing at least one element selected from the group consisting of titanium, zirconium, hafnium, and silicon; (B) a compound containing yttrium and/or a lanthanide element; and (C) nitric acid and/or a nitric acid compound. In the composition, the ratio of the total mass concentration B of the yttrium and/or lanthanide element in the ingredient (B) to the total mass concentration A of the element(s) in the ingredient (A), K1=B/A, is 0.05<=K1<=50 and the ratio of the total mass concentration C of nitrogen atoms in the ingredient (C) in terms of NO3 concentration to the total mass concentration A, K2=C/A, is 0.01<=K2<=200.

L'invention concerne une composition de traitement de surface laquelle est un liquide de traitement ne contenant aucun ingrédient nocif pour l'environnement ; un tel liquide de traitement a été difficile à obtenir avec une quelconque technique classique. La composition permet de déposer grâce à un traitement de surface un film de revêtement ayant une excellente résistance à la corrosion après enduction, sur une surface d'un matériau métallique, par exemple d'un matériau métallique à base de fer. La composition, laquelle est destinée au traitement de surface d'un métal comprenant du fer et/ou du zinc, comprend les ingrédients (A), (B) et (C) suivants : (A) un composé contenant au moins un élément sélectionné dans le groupe constitué du titane, du zirconium, de l'hafnium et du silicium ; (B) un composé contenant de l'yttrium et/ou un élément des lanthanides ; et (C) de l'acide nitrique et/ou un composé de l'acide nitrique. Dans la composition, le rapport de la concentration totale en masse B de l'yttrium et/ou de l'élément des lanthanides présents dans l'ingrédient (B) sur la concentration totale en masse A du ou des éléments présents dans l'ingrédient (A), K1=B/A, est tel que 0,05<=K1<=50 et le rapport de la concentration totale en masse C des atomes d'azote présents dans l'ingrédient (C) en termes de concentration en NO3 sur la concentration totale en masse A, K2=C/A, est tel que 0,01<=K2<=200.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Composition for metal surface treatment, treating liquid for... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Composition for metal surface treatment, treating liquid for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Composition for metal surface treatment, treating liquid for... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1524137

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.