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Title:
古紙再生用脱墨剤
Document Type and Number:
Japanese Patent JP4145676
Kind Code:
B2
Abstract:

To provide a deinking agent for recycling waste paper that can increase the whiteness of recovered pulp without decrease in the yield rate of pulp and gives pulp with a reduced amount of ink remaining in the recycled paper.

The deinking agent for recycling printed waste paper contains a compound represented by general formula (I) R-O-[As]x[Asx'/Em1][E]m[At]n-H; having a specific oxide sequence, a specific molar addition number of ethylene oxide and propylene oxide units.

COPYRIGHT: (C)2004,JPO&NCIPI


Inventors:
Yoshitaka Miyauchi
Hamaguchi Corporation
Yuichi Natsu
Application Number:
JP2003032115A
Publication Date:
September 03, 2008
Filing Date:
February 10, 2003
Export Citation:
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Assignee:
Kao Corporation
International Classes:
C09D9/00; D21C5/02
Domestic Patent References:
JP7324292A
JP2002069875A
JP2001200484A
JP7003681A
JP2000119699A
JP9228281A
JP5186985A
Attorney, Agent or Firm:
Satoshi Furuya
Takahiko Mizobe
Shinji Mochida
Yoshitsune Kazumasa