Invention Grant
- Patent Title: Method for producing porous film or tape of expanded polytetrafluoroethylene supporting catalyst particles, and ozone-removing filter
- Patent Title (中): 聚四氟乙烯发泡多孔薄膜支撑催化剂颗粒的方法和臭氧去除过滤器
-
Application No.: US13259557Application Date: 2010-03-18
-
Publication No.: US08974739B2Publication Date: 2015-03-10
- Inventor: Kazumasa Yoshida
- Applicant: Kazumasa Yoshida
- Applicant Address: JP Tokyo
- Assignee: W. L. Gore & Associates, Co., Ltd.
- Current Assignee: W. L. Gore & Associates, Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agent Amy L. Miller
- Priority: JP2009-074617 20090325
- International Application: PCT/JP2010/055302 WO 20100318
- International Announcement: WO2010/110404 WO 20100930
- Main IPC: B01D53/66
- IPC: B01D53/66 ; B01D53/34 ; B01J31/06 ; B29C67/20 ; B01D53/86 ; C08J5/18 ; C08J7/04 ; B29C55/00 ; B29B15/12 ; B29K27/18
Abstract:
An improved method for producing an expanded polytetrafluoroethylene (PTFE) porous film or tape supporting catalyst particles.The method for producing an expanded PTFE porous film or tape supporting catalyst particles according to the invention comprises a step of preparing tape-like porous PTFE, a step of impregnating the tape-like porous PTFE with a solution or dispersion of catalyst particles, a step of substantially removing the solvent or dispersing medium, and a step of further stretching the tape-like porous PTFE containing the catalyst particles in the machine direction (MD) and/or the transverse direction (TD).
Public/Granted literature
Information query
IPC分类:
