Welcome Guest to Coatings World    Login || Register
Last Updated Wednesday, July 23 2014
Print

Rohm and Haas patents pigmented



Published May 12, 2009
Related Searches: Color
Patent No. U.S. 7,408,003 B2
Rohm and Haas has received a patent for a polymer composition comprised of organic colorant particles; and polymer particles comprised of polymerized units of phosphorus acid monomer and having first phosphorus acid groups, wherein: i) the polymer particles are prepared by aqueous emulsion polymerization of the phosphorus acid monomer at a pH of less than 2, or ii) the polymer composition is comprised of a level of water soluble polymer having second phosphorus acid groups defined by ratios of equivalents of second phosphorus acid groups to equivalents of first phosphorus acid groups in the range of less than or equal to 1.5, wherein each of the polymer particles are multistage polymer particles comprised of a) a first polymer comprised of a polymerized unit of a multiethylenically unsaturated monomer, polymerized units of the phosphorus acid monomer, and the first phosphorus acid groups, wherein the first polymer has a glass transition temperature in the range of from -60° C to 35° C; and b) a second polymer having a glass transition temperature in the range of from -60° C to 35° C, wherein a weight percent of the first phosphorus acid groups in the second polymer, based on a weight of the second polymer, is 10% weight or less of a weight percent of the first phosphorus acid groups in the first polymer, based on a weight of the first polymer and wherein the average weight ratio of the first polymer to the second polymer is in the range of from 1:2 to 1:20.


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
Sun Chemical Corporation Performance Pigments
5020 Spring Grove Avenue
Cincinnati, OH, 45232
USA
View Profile
Houchi Chemical Co., Ltd
No.56, Fu Chow Street
Taipei, Taipei, 100
Taiwan
View Profile
Keeneyes
18F, No.85, Sec. 1, Chung-Shiao E. Rd.
Taipei, Taiwan, 100
R.O.C.
View Profile
Shamrock Technologies, Inc.
Foot of Pacific Street
Newark, NJ, 07114
USA
View Profile
Micro Powders, Inc.
580 White Plains Rd.
Tarrytown, NY, 10591
US
View Profile
Sunin Machine Co., Ltd.
No.96, Chiao Ho Rd ,Chungho Dist
New Taipei City, Taiwan , 235
Taiwan Roc
View Profile
Lubrizol Advanced Materials, Inc.
9911 Brecksville Road
Cleveland, OH, 44141
US
View Profile
BASF Corporation
100 Campus Drive
Florham Park, NJ, 07932
US
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
Buhler Group (Nanotechnology)
13105 12th Ave. North
Plymouth, MN, 55441-4509

View Profile
Follow Coatings World On