Welcome Guest to Coatings World    Login || Register
Last Updated Tuesday, October 13 2015

Rohm and Haas patents intumescent

Published December 20, 2007
Patent No. U.S. 7,217,753 B2
Rohm and Haas Company has obtained a patent for a fire retardant intumescent coating composition selected from the group consisting of powder coating compositions and aqueous coating compositions. The composition is comprised of 30-60% by weight of a phosphorous containing material which decomposes to produce phosphoric acid when the coating is exposed to fire; 10-30% by weight of a thermosetting binder; 2.5-10% by weight of a curing agent for the thermosetting binder; and
5-40% by weight of a thermoplastic binder, wherein each of the thermosetting and thermoplastic binders comprise groups that react with the phosphoric acid, thereby imparting charring and blowing functions to the intumescent coating composition.

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
Houchi Chemical Co., Ltd
No.56, Fu Chow Street
Taipei, Taipei, 100
View Profile
Siltech Corporation
225 Wicksteed Avenue
Toronto, ON, M4H 1G5
View Profile
BASF Corporation
100 Campus Drive
Florham Park, NJ, 07932
View Profile
18F, No.85, Sec. 1, Chung-Shiao E. Rd.
Taipei, Taiwan, 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
Sunin Machine Co., Ltd.
No.96, Chiao Ho Rd ,Chungho Dist
New Taipei City, Taiwan , 235
Taiwan Roc
View Profile
Follow Coatings World On