Title:
NON MELT PROCESSABLE POLYTETRAFLUOROETHYLENE AND FINE POWDER THEREOF
Document Type and Number:
WIPO Patent Application WO/2005/061567
Kind Code:
A1
Abstract:
A non melt processable polytetrafluoroethylene fine powder, characterized in that a stretched article for measurement (A) prepared by stretching an extruded material from the powder at 300&ring C exhibits a tensile strength at break of 32.0 N or more and has a specific surface area of 11000 m2/kg or more; and a non melt processable polytetrafluoroethylene material from the fine powder. The non melt processable polytetrafluoroethylene fine powder provides a stretched material being excellent in the tensile strength at break.
Inventors:
ONO MAKOTO (JP)
SAWADA YASUHIKO (JP)
SAWADA YASUHIKO (JP)
Application Number:
PCT/JP2004/019250
Publication Date:
July 07, 2005
Filing Date:
December 22, 2004
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
ONO MAKOTO (JP)
SAWADA YASUHIKO (JP)
ONO MAKOTO (JP)
SAWADA YASUHIKO (JP)
International Classes:
C08F2/38; C08F14/26; C08F214/26; (IPC1-7): C08F214/26; C08F2/38
Foreign References:
| JPS641711A | 1989-01-06 | |||
| JP2002201217A | 2002-07-19 | |||
| JPS6116907A | 1986-01-24 | |||
| JP2001288227A | 2001-10-16 | |||
| JPH1053624A | 1998-02-24 |
Attorney, Agent or Firm:
Yasutomi, Yasuo (4-20 Nishinakajima 5-chome, Yodogawa-k, Osaka-shi Osaka 11, JP)
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