Title:
CELLULOSE ACETATE POWDER, AND PROCESS FOR PRODUCING CELLULOSE ACETATE POWDER
Document Type and Number:
WIPO Patent Application WO/2016/135778
Kind Code:
A1
Abstract:
Provided is a cellulose acetate powder capable of giving a molded object which is reduced in spot unevenness and is prevented from decreasing in production step passability. The cellulose acetate powder comprises cellulose acetate which has a degree of acetylation of 53-56% and a 6% viscosity of 30-200 mPa·s and in which the cumulative volume of pores is 0.200 ml/g or greater, the proportion of particles having a particle diameter of 500 µm or larger is 40% or less, and the angle of repose is 51º or less.
Inventors:
HIGUCHI AKIHIRO
MATSUMOTO TAKEHIRO
MATSUMOTO TAKEHIRO
Application Number:
PCT/JP2015/001007
Publication Date:
September 01, 2016
Filing Date:
February 26, 2015
Export Citation:
Assignee:
DAICEL CORP (JP)
International Classes:
C08B3/06
Domestic Patent References:
| WO2013180278A1 | 2013-12-05 | |||
| WO2014142166A1 | 2014-09-18 |
Foreign References:
| JP2011158664A | 2011-08-18 | |||
| JP2009155555A | 2009-07-16 | |||
| JP2000212202A | 2000-08-02 | |||
| JP2000212201A | 2000-08-02 | |||
| JPH06157601A | 1994-06-07 | |||
| JPH03205401A | 1991-09-06 | |||
| JP2001261701A | 2001-09-26 | |||
| JP2009235212A | 2009-10-15 | |||
| JP2013076057A | 2013-04-25 | |||
| JP2009242592A | 2009-10-22 | |||
| JPH02311501A | 1990-12-27 |
Other References:
See also references of EP 3263603A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
Patent business corporation Owner old patent firm (JP)
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