Title:
PULP WASHING
Document Type and Number:
WIPO Patent Application WO/2020/230351
Kind Code:
A1
Abstract:
Provided is a pulp washing agent capable of improving "dewaterability" and "washability". This invention, according to one embodiment, relates to a pulp washing agent containing a nonionic surfactant represented by formula (1):
R1O-[(EO)n·(PO)m]H
In formula (1), R1 is a C10-14 alkyl group or alkynyl group, EO and PO are each an ethylene oxide group or a propylene oxide group, and n and m are the average number of moles added, and neither of n or m is 0.
Inventors:
ENOMOTO YUKINORI (JP)
Application Number:
PCT/JP2019/044361
Publication Date:
November 19, 2020
Filing Date:
November 12, 2019
Export Citation:
Assignee:
KATAYAMA CHEMICAL WORKS CO (JP)
International Classes:
D21C9/02; C11D1/722
Domestic Patent References:
WO2009093615A1 | 2009-07-30 | |||
WO2009107645A1 | 2009-09-03 |
Foreign References:
JPH07119060A | 1995-05-09 | |||
JP2004124329A | 2004-04-22 | |||
JP2014118642A | 2014-06-30 | |||
JP2011026713A | 2011-02-10 | |||
JP2007119955A | 2007-05-17 |
Attorney, Agent or Firm:
IKEUCHI & PARTNERS (JP)
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