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Title:
CELLULOSE ACYLATE COMPOSITION AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/176825
Kind Code:
A1
Abstract:
This cellulose acylate composition comprises cellulose acylate particles and particles including one or more metal compounds. The cellulose acylate has a total degree of substitution of 0.7-2.9. The metal compounds are one or more compounds selected from among alkali metal compounds and alkaline-earth metal compounds. This composition is produced by adding one or more metal compounds selected from among alkali metal compounds and alkaline-earth metal compounds, during and/or after a step in which a water-soluble polymer is removed from a dispersion containing a plasticizer-impregnated cellulose acylate as a dispersed phase to obtain cellulose acylate particles.

Inventors:
OMURA MASAYA (JP)
KOBAYASHI KEIKO (JP)
MAKINO JUNKO (JP)
Application Number:
PCT/JP2022/005803
Publication Date:
August 25, 2022
Filing Date:
February 15, 2022
Export Citation:
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Assignee:
DAICEL CORP (JP)
International Classes:
C08L1/10; A61K8/02; A61K8/19; A61K8/73; C08K3/22; C08K3/26; C08K5/10
Domestic Patent References:
WO2019156116A12019-08-15
WO2016135778A12016-09-01
WO2017057154A12017-04-06
WO2017047768A12017-03-23
WO1992004408A11992-03-19
Foreign References:
JP2007056160A2007-03-08
JP2004269865A2004-09-30
JP2007224259A2007-09-06
JP2013166815A2013-08-29
JP2006282923A2006-10-19
JP2007231050A2007-09-13
JP2007056144A2007-03-08
JP2014503613A2014-02-13
JP2007107019A2007-04-26
JP2002097300A2002-04-02
JP2007191513A2007-08-02
JP2004051942A2004-02-19
US20040017022A12004-01-29
JP2016500129A2016-01-07
JP6187653B12017-08-30
JP2004051942A2004-02-19
JPH039726B21991-02-12
JPH066307B21994-01-26
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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