Welcome Guest to Coatings World    Login || Register
Last Updated Friday, August 22 2014
Print RSS Feed

Valspar patents durable polyester



Published March 12, 2009
Patent No. U.S. 7,381,472 B2
Valspar has been granted a patent for a coated substrate comprised of a substrate coil, and a coating composition applied to at least one major surface of the substrate coil, wherein the coating composition is comprised of a binder comprised of a polyester resin that is formed using at least one aromatic dicarboxylic acid and using polyols comprised of at least one symmetric diol in an amount greater than 50% weight based on the total weight of polyols and at least one asymmetric diol in an amount greater than 20% weight based on the total weight of polyols, wherein the polyester resin comprises between 50-75% weight isophthalic acid based on the total weight of resin and has a glass transition temperature of at least 35° C.; wherein the symmetric diol includes both 1,3-propanediol and neopentyl glycol; and wherein the flexibility of the coated substrate is at least 1T with no tape off.


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
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
Shamrock Technologies, Inc.
Foot of Pacific Street
Newark, NJ, 07114
USA
View Profile
Sun Chemical Corporation Performance Pigments
5020 Spring Grove Avenue
Cincinnati, OH, 45232
USA
View Profile
Sunin Machine Co., Ltd.
No.96, Chiao Ho Rd ,Chungho Dist
New Taipei City, Taiwan , 235
Taiwan Roc
View Profile
Buhler Group (Nanotechnology)
13105 12th Ave. North
Plymouth, MN, 55441-4509
USA
View Profile
Houchi Chemical Co., Ltd
No.56, Fu Chow Street
Taipei, Taipei, 100
Taiwan
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
Keeneyes
18F, No.85, Sec. 1, Chung-Shiao E. Rd.
Taipei, Taiwan, 100
R.O.C.
View Profile
Follow Coatings World On