Welcome Guest to Coatings World    Login || Register
Last Updated Monday, August 31 2015

DuPont patents TITANIUM

Published February 11, 2009
DuPont patents TITANIUM
Patent No. U.S. 7,371,275 B2
E.I. du Pont de Nemours and Company has received a patent for an improved flexible polyvinyl chloride composition that resists UV light induced yellowing and mechanical degradation, the polyvinyl chloride composition having a coated titanium dioxide white pigment in an amount ranging from 0.5 to 15 parts by weight per 100 part of the polyvinyl chloride, wherein the improvement comprises the titanium dioxide base pigment having a carbon black undertone of at least 16, having a coating of 1.2 %to 10% weight silica and 0.5%-5% weight alumina, based on the total weight of the coated pigment, and the coated pigment having a UV absorption at 340 nm of at least 0.40, a vinyl undertone of at least 0.023, a vinyl tint strength of at least 80 and an acid solubility of no greater than 12% weight based on the total weight of the coated pigment.

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
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
AZ Electronic Materials Co., Ltd.
No. 458-6, Sinsing Road Hu Kou Township Hsinchu Country 303, Taiwan
Hsinchu Country, Taiwan, 303
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
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
Follow Coatings World On