Title:
COMPOSITE FIBER COMPRISING CELLULOSE FIBER AND INORGANIC PARTICLES, AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2021/045198
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a composite fiber in which the surfaces of cellulose fibers are firmly covered with numerous inorganic particles. In the present invention, (D50-D10)/D50 calculated from particle size distribution of (a) or (b) is used as an index, making it possible to produce an excellent composite fiber comprising cellulose fibers and inorganic particles. (a) A filtered liquid obtained by filtering an aqueous suspension liquid of the composite fiber with 0.1% solid content concentration through a 60 mesh sieve (aperture 250 μm); and (b) when an aqueous suspension liquid of the composite fiber with 0.3% solid content concentration is analyzed with a fiber classification analysis device, under a condition of a flow rate of 5.7 L/min, a water temperature of 25±1°C, and a total outflow of 22 L, a fraction corresponding to outflow (L) of 18.51 to 19.50, outflow time (sec) of 37.4 to 48.0.
Inventors:
HASEGAWA AYAKA (JP)
FUCHISE MOE (JP)
FUCHISE MOE (JP)
Application Number:
PCT/JP2020/033627
Publication Date:
March 11, 2021
Filing Date:
September 04, 2020
Export Citation:
Assignee:
JUJO PAPER CO LTD (JP)
International Classes:
D21H15/12; D21H17/70; D21H17/69
Domestic Patent References:
| WO2019163659A1 | 2019-08-29 | |||
| WO2019159943A1 | 2019-08-22 | |||
| WO2019065270A1 | 2019-04-04 | |||
| WO2018198884A1 | 2018-11-01 | |||
| WO2018180699A1 | 2018-10-04 | |||
| WO2015152283A1 | 2015-10-08 | |||
| WO2019203344A1 | 2019-10-24 |
Foreign References:
| US5679220A | 1997-10-21 |
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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