Title:
改良された表面特性を有するペルフルオロエラストマー製品
Document Type and Number:
Japanese Patent JP4531368
Kind Code:
B2
Abstract:
A perfluoroelastomer article is coated with a durable film comprising a polysiloxane and a urethane oligomer. An independent claim is also included for a process of forming a durable polysiloxane urethane oligomer film on a perfluoroelastomer article, comprising coating a cured perfluoroelastomer article with a dispersion comprising a polysiloxane having a pendant groups and a blocked isocyanate to form a wet-coated perfluoroelastomer article, drying the article at a temperature below which the pendant hydroxyl groups react with the blocked isocyanate to form urethane oligomer, and heating the article to a temperature and for a time where the pendant hydroxyl groups react with the blocked isocyanate to form urethane oligomer and a durable film comprising the polysiloxane and urethane oligomer on the surface of the article.
Inventors:
Iwamoto incense
Yori Bunichi
Togawa Shinichi
Yori Bunichi
Togawa Shinichi
Application Number:
JP2003334072A
Publication Date:
August 25, 2010
Filing Date:
September 25, 2003
Export Citation:
Assignee:
DuPont Performance Elastomers LLC
International Classes:
C08J7/16; C08G18/61; C08G18/80; C08J7/043
Domestic Patent References:
| JP8225670A | ||||
| JP4198333A | ||||
| JP58071233A |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Shigeyoshi
Tamura Tadashi
Kazuo Abe
Shigeyoshi
Tamura Tadashi