Welcome Guest to Coatings World    Login || Register
Last Updated Thursday, December 18 2014
Print

PPG patents conversion coating with alkaline earth metal fluoride complexes



Published May 9, 2011
U.S. 7,776,448 B2

PPG Industries Ohio, Inc. has received a patent for a coated metal substrate comprised of a metal surface which has been contacted with an aqueous crystalline-forming composition comprised of a Group IIA dissolved metal ion; a dissolved complex metal fluoride ion wherein the metal atom is selected from Group IIIA, Group IVA, Group IVB, Group VA, and Group VB metals; a complex forming metal salt different from the complex metal fluoride ion, and water, wherein the complex forming metal salt complexes free fluoride ions to provide an aqueous composition which is substantially free of Group IIA metal fluoride precipitate; and wherein the complex forming metal salt is selected from the group consisting of sodium metasilicate, polysilicate, Zeolites, zirconyl nitrate, titanyl sulfate, tetrafluorozirconate, tetrafluorotitanate.


blog comments powered by Disqus
Receive free Coatings World emails
Sign up now to receive the weekly newsletter, and more!

Enter your email address:
Company Spotlight
Micro Powders, Inc.
580 White Plains Rd.
Tarrytown, NY, 10591
US
View Profile
Shamrock Technologies, Inc.
Foot of Pacific Street
Newark, NJ, 07114
USA
View Profile
AZ Electronic Materials Co., Ltd.
No. 458-6, Sinsing Road Hu Kou Township Hsinchu Country 303, Taiwan
Hsinchu Country, Taiwan, 303
Taiwan
View Profile
BASF Corporation
100 Campus Drive
Florham Park, NJ, 07932
US
View Profile
Lubrizol Advanced Materials, Inc.
9911 Brecksville Road
Cleveland, OH, 44141
US
View Profile
Siltech Corporation
225 Wicksteed Avenue
Toronto, ON, M4H 1G5
Canada
View Profile
Houchi Chemical Co., Ltd
No.56, Fu Chow Street
Taipei, Taipei, 100
Taiwan
View Profile
Sunin Machine Co., Ltd.
No.96, Chiao Ho Rd ,Chungho Dist
New Taipei City, Taiwan , 235
Taiwan Roc
View Profile
Keeneyes
18F, No.85, Sec. 1, Chung-Shiao E. Rd.
Taipei, Taiwan, 100
R.O.C.
View Profile
Follow Coatings World On