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Patent Searching and Data


Title:
MOLDED ARTICLE MADE OF CELLULOSE ESTER
Document Type and Number:
Japanese Patent JP2018145383
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a semipermeable membrane with high chlorine resistance and high alkali resistance.SOLUTION: A molded article comprises a cellulose ester in which the degree of substitution when X are acyl groups is 1.5-2.9, with 80 mol% or more of the acyl groups being benzoyl groups which may have a substituent, and the degree of substitution of the hydroxyl groups when X are hydrogen atoms is 0.1-1.5. (In the general formula (I), some of X represent acyl groups and the remainder represent hydrogen atoms; and n represents an integer from 20 to 20,000.)SELECTED DRAWING: None

Inventors:
HASHIZUME TOMOHIRO
MATSUMURA HIROYUKI
SHIBATA TORU
KOYAMA YUTAKA
ONO MITSURU
Application Number:
JP2017055271A
Publication Date:
September 20, 2018
Filing Date:
March 22, 2017
Export Citation:
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Assignee:
DAICEL CORP
International Classes:
C08B3/08; B01D71/14; B65D65/40; C08B3/16; C08J9/28; C08L1/10; D01F2/28
Domestic Patent References:
JP2002179701A2002-06-26
JP2002241512A2002-08-28
JP2002322201A2002-11-08
JPH0760083A1995-03-07
JPH08164200A1996-06-25
JP2008120875A2008-05-29
JP2009091542A2009-04-30
JP2009030031A2009-02-12
Foreign References:
US5192478A1993-03-09
Attorney, Agent or Firm:
古谷 聡
義経 和昌