Welcome Guest to Coatings World    Login || Register
Last Updated Sunday, October 4 2015

BASF Coatings Japan patents phosphonate-containing two-component coating system

Published September 17, 2012
U.S. 8,138,249 B2
BASF Coatings Japan Ltd. has been awarded a patent for a two-component coating system comprised of  a component (a) comprised of one or more polyisocyanates, a component (b) comprised of one or more oligomeric and/or polymeric compounds that are reactive with component (a), which component (b) has an acid number of up to 30 mg KOH/g, wherein component (b) is comprised of at least one member selected from the group consisting of a polyester having at least two hydroxyl groups or a poly(meth)acrylate having at least two hydroxyl groups; and a component (c) comprised of one or more phosphonates selected from the group consisting of phosphonic diesters and diphosphonic diesters. Where (i) component (b) contains all oligomeric and/or polymeric compounds that are present in the two-component coating system and are reactive with component (a) and (ii) component (b) contains not more than 15% by weight, based on the total weight of component (b), of oligomeric and/or polymeric compounds which carry isocyanate-reactive amino groups; wherein component (c) is capable of reacting with moisture to suppress secondary reactions of polyisocyanates with condensation that give rise to unwanted gelling.

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