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Title:
SEMIPERMEABLE COMPOSITE MEMBRANE AND METHOD FOR MANUFACTURING SEMIPERMEABLE COMPOSITE MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2018/143297
Kind Code:
A1
Abstract:
The present invention pertains to a semipermeable composite membrane having a support film and a separation function layer, wherein, (A) in a semipermeable composite membrane equilibrated under specific conditions, the half value width H of an absorption peak between 3900 cm-1 and 2900 cm-1 in a difference spectrum Sd obtained by subtracting IR spectrum S2 from IR spectrum S1 is 355-373, and (B) in the IR spectrum S1, the value F obtained by dividing the area of the absorption intensity between 3900 cm-1 and 2900 cm-1 by the absorbance at the peak top between 1690 cm-1 and 1630 cm-1 is at least 850.

Inventors:
MINEHARA HIROKI (JP)
TANAKA HIROAKI (JP)
SUZUKI MONAMI (JP)
OGAWA TAKAFUMI (JP)
Application Number:
PCT/JP2018/003287
Publication Date:
August 09, 2018
Filing Date:
January 31, 2018
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B01D69/02; B01D69/12; B01D71/56
Domestic Patent References:
WO1999001208A11999-01-14
WO2010120326A12010-10-21
Foreign References:
JPH08224452A1996-09-03
JPH0985068A1997-03-31
JP2006281207A2006-10-19
JPH04504076A1992-07-23
JP2000015067A2000-01-18
JPH08224452A1996-09-03
JPH0647260A1994-02-22
JP2014521499A2014-08-28
JPH0278428A1990-03-19
JP2017015169A2017-01-19
JP2017015170A2017-01-19
Other References:
OFFICE OF SALINE WATER RESEARCH & DEVELOPMENT PROGRESS REPORT, 1968
"The Fourth Series of Experimental Chemistry", vol. 14, 1992, THE CHEMICAL SOCIETY OF JAPAN, MARUZEN CO., LTD., pages: 485
P. KIERKEGAARD ET AL.: "Computer Physics Communications", vol. 3, 1972, NORTH HOLLAND PUBLISHING CO., pages: 240
NAKANISHI ET AL.: "Journal of Polymer Science, Part B: Polymer Physics", vol. 27, 1989, JOHN WILEY & SONS, INC., pages: 1419
"Radiation Physics and Chemistry", vol. 58, 2000, PERGAMON, pages: 603
See also references of EP 3578249A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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