Title:
POLYTETRAFLUOROETHYLENE MIXTURE
Document Type and Number:
WIPO Patent Application WO/2012/086721
Kind Code:
A1
Abstract:
Disclosed is a material capable of forming a polytetrafluoroethylene porous film which can readily be stretched biaxially, is capable of uniform stretching even at high stretching ratios, and has low pressure loss. The disclosed polytetrafluoroethylene mixture contains (A) a polytetrafluoroethylene having non-melt workability obtained by emulsion polymerization of tetrafluoroethylene, and (B) a polytetrafluoroethylene having non-melt workability obtained by suspension polymerization of tetrafluoroethylene.
Inventors:
SAWADA YASUHIKO (JP)
KASAI SHUNJI (JP)
YAMANAKA TAKU (JP)
SHIBUYA YOSHIYUKI (JP)
INUI KUNIHIKO (JP)
CHAEN SHINICHI (JP)
KASAI SHUNJI (JP)
YAMANAKA TAKU (JP)
SHIBUYA YOSHIYUKI (JP)
INUI KUNIHIKO (JP)
CHAEN SHINICHI (JP)
Application Number:
PCT/JP2011/079715
Publication Date:
June 28, 2012
Filing Date:
December 21, 2011
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
SAWADA YASUHIKO (JP)
KASAI SHUNJI (JP)
YAMANAKA TAKU (JP)
SHIBUYA YOSHIYUKI (JP)
INUI KUNIHIKO (JP)
CHAEN SHINICHI (JP)
SAWADA YASUHIKO (JP)
KASAI SHUNJI (JP)
YAMANAKA TAKU (JP)
SHIBUYA YOSHIYUKI (JP)
INUI KUNIHIKO (JP)
CHAEN SHINICHI (JP)
International Classes:
C08L27/18; B29C67/20; C08J9/00
Domestic Patent References:
| WO2005019320A1 | 2005-03-03 |
Foreign References:
| JP2011079879A | 2011-04-21 |
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
Patent business corporation Yasutomi international patent firm (JP)
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Claims: