Title:
LIQUID DEINKING AGENT, DEINKING METHOD, AND METHOD FOR PRODUCING RECYCLED PAPER
Document Type and Number:
Japanese Patent JP2019035173
Kind Code:
A
Abstract:
To provide a high-concentration liquid deinking agent that exhibits excellent foamable and deinking performances, regardless of the deinking temperature, and does not solidify even at low temperature.SOLUTION: A liquid deinking agent has a compound represented by general formula (1). R-O-(PO)-[(EO)/(PO)]-(PO)-H (1) [where, Ris an alkyl group or alkenyl group having carbon atoms of 12 or more and 22 or less, EO is an ethyleneoxy group, PO is a propyleneoxy group, q is an average number of moles of added EO, p, r, s independently represent an average number of moles of added PO, [(EO)/(PO)] is random addition of EO and PO, p is 1 or more and 15 or less, q is 30 or more and 60 or less, r is 16 or more and 35 or less, s is 1 or more and 10 or less in numbers].SELECTED DRAWING: None
Inventors:
IKEDA YASUSHI
HAMADA YOSHITO
HAMADA YOSHITO
Application Number:
JP2017158429A
Publication Date:
March 07, 2019
Filing Date:
August 21, 2017
Export Citation:
Assignee:
KAO CORP
International Classes:
D21C5/02
Domestic Patent References:
| JPH073681A | 1995-01-06 | |||
| JP2015196932A | 2015-11-09 |
Attorney, Agent or Firm:
Satoshi Furuya
Yoshitsune Kazumasa
Yoshitsune Kazumasa