Title:
ＵＶ印刷物の脱墨方法
Document Type and Number:
Japanese Patent JP7120785
Kind Code:
B2
Abstract:
The present invention aims to develop a technique for efficiently preparing deinked pulp from prints made with UV-curable inks. According to the processes for preparing deinked pulp of the present invention, high quality deinked pulp can be obtained by performing the steps of: disintegrating printed waste paper containing UV prints in water to give a waste paper slurry; and applying a mechanical process to the waste paper slurry using a rotary disintegrator.
Inventors:
Hirohiko Koizumi
Masato Takayama
Yoneshige Seiki
Gosei
Masato Takayama
Yoneshige Seiki
Gosei
Application Number:
JP2018065233A
Publication Date:
August 17, 2022
Filing Date:
March 29, 2018
Export Citation:
Assignee:
NIPPON PAPER INDUSTRIES CO.,LTD.
International Classes:
D21C5/02; D21B1/32
Domestic Patent References:
| JP3559542B2 | ||||
| JP8226087A | ||||
| JP2018071020A | ||||
| JP2018009263A | ||||
| JP5770619B2 | ||||
| JP5987433B2 | ||||
| JP2017186710A | ||||
| JP5743421B2 | ||||
| JP2018039907A | ||||
| JP2016166437A | ||||
| JP2011256515A |
Attorney, Agent or Firm:
Osamu Yamamoto
Nakamura
Yuki Ogasawara
Noriyuki Arai
Nakamura
Yuki Ogasawara
Noriyuki Arai