Title:
セルロースナノファイバー、その製造方法及びそれを含む紙
Document Type and Number:
Japanese Patent JP6748043
Kind Code:
B2
Abstract:
To provide a method for producing cellulose nanofiber having little foreign matters in an efficient manner from a fiber source material having pulp fiber as a main component.SOLUTION: A producing method of cellulose nanofiber according to the present disclosure is a method for producing cellulose nanofiber comprising mechanically fibrillating pulp fibers with a stone type triturator, and characterized in that: 1) Abrasive grains of the grinding wheel for use in the stone type triturator is an abrasive grain of F14 or more and F80 or less as defined in the "JISR6001:1998 Particle Size of a Grinding Stone"; 2) The pulp fibers are treated with one type of a grindstone plate for use in the stone type triturator; and 3) The pulp fibers are subjected to attrition milling by using the stone type triturator at 5 kwh or more and 100 kwh or less of the power consumption per kg of the pulp fibers.SELECTED DRAWING: None
Inventors:
Atsushi Tamura
Shota Fukushima
Yato Kei Poetry
Hikaru Tanaka
Junji Nemoto
Shota Fukushima
Yato Kei Poetry
Hikaru Tanaka
Junji Nemoto
Application Number:
JP2017172774A
Publication Date:
August 26, 2020
Filing Date:
September 08, 2017
Export Citation:
Assignee:
Hokuetsu Corporation
International Classes:
C08B15/02; D21H11/18; D21H15/02
Domestic Patent References:
| JP2010007010A | ||||
| JP2008208231A | ||||
| JP2018009134A | ||||
| JP2014125690A | ||||
| JP2010194790A | ||||
| JP2015041600A |
Foreign References:
| KR1020200007780A | ||||
| WO2008117848A1 |
Attorney, Agent or Firm:
Katsuhiro Imashita
Kenji Okada
Kenji Okada