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Title:
POLYOLEFIN POROUS HOLLOW FIBER MEMBRANE AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2013091059
Kind Code:
A
Abstract:

To provide a polyolefin porous hollow fiber membrane that has excellent resistance to oxidative degradation and has mechanical characteristics of which the deterioration over time is suppressed and that contains an antioxidant with little elution into water and to provide a method for producing the polyolefin porous hollow fiber membrane.

The polyolefin porous hollow fiber membrane containing polyolefin and tris[3-(3,5-di-tert-butyl-4-hydroxyphenyl) propanoate] as a phenolic antioxidant is provided. Alternatively the polyolefin porous hollow fiber membrane containing 0.03 mass part or more of the phenolic antioxidant with respect to 100 mass part of the polyolefin is provided. The method for producing the polyolefin porous hollow fiber membrane by melt forming and drawing method using the polyolefin and the phenolic antioxidant is also provided.


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Inventors:
SUEOKA KANA
YOSHIDA TAKESHI
UENISHI MICHIHARU
Application Number:
JP2012221223A
Publication Date:
May 16, 2013
Filing Date:
October 03, 2012
Export Citation:
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Assignee:
MITSUBISHI RAYON CO
International Classes:
B01D71/26; B01D69/08; C08K5/134; C08L23/00; D01F6/04; D01F6/46
Domestic Patent References:
JPH0796627B21995-10-18
JPH11227020A1999-08-24
JPS6142303A1986-02-28
JPS5766114A1982-04-22
JPS6211506A1987-01-20
JP2009202112A2009-09-10
JP2000290850A2000-10-17
JPH08225495A1996-09-03
JP2003012946A2003-01-15
JPH0796627B21995-10-18
JPH11227020A1999-08-24
JPS6142303A1986-02-28
JPS5766114A1982-04-22
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Suzuki Mitsuyoshi



 
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