Title:
POROUS TUBE AND POROUS TUBE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/031418
Kind Code:
A1
Abstract:
The porous tube according to one mode of the present invention has a fibrous scaffold having polytetrafluoroethylene as the main component, and satisfies the formulae (1) and (2), when G1 is Gurley seconds, P1 is the water pressure resistance after being held for 3 hours under a 300 ºC environment, G2 is Gurley seconds, P2 is the water pressure resistance after being held for 3 hours under a 360 ºC environment.
(1) 0.9 ≤ P1/P2 ≤ 1.3
(2) 0.7 ≤ G1/G2 ≤ 1.1
Inventors:
FUKUNAGA ATSUSHI (JP)
HAYASHI FUMIHIRO (JP)
HAYASHI FUMIHIRO (JP)
Application Number:
PCT/JP2019/011709
Publication Date:
February 13, 2020
Filing Date:
March 20, 2019
Export Citation:
Assignee:
SUMITOMO ELECTRIC FINE POLYMER INC (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B01D39/16; B01D71/36; B29C48/20; B29C55/22; B29C67/20; C08J9/00; B29K27/18
Foreign References:
| JP2001011224A | 2001-01-16 | |||
| JP2017528346A | 2017-09-28 | |||
| JPH09241412A | 1997-09-16 | |||
| JPH06256549A | 1994-09-13 | |||
| JPH06106037A | 1994-04-19 | |||
| JPH10323923A | 1998-12-08 | |||
| JPH06246142A | 1994-09-06 |
Attorney, Agent or Firm:
AMANO Kazunori (JP)
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