Title:
INK REMOVER FOR RECYCLING PLASTIC LAMINATE INTO RECYCLED MATERIALS, INK FILM SEPARATION/REMOVAL METHOD, AND METHOD OF ISOLATING AND RECOVERING SEPARATED OR REMOVED INK FILM
Document Type and Number:
WIPO Patent Application WO/2021/230032
Kind Code:
A1
Abstract:
The present invention relates to a method of separating or removing an ink film whereby it is possible to easily separate or remove an ink film printed on a plastic base material; relates to an ink remover that can be used in said method; and provides an ink film recovery method whereby it is possible to easily separate or remove an ink film printed on a plastic base material, and to easily recover the separated or removed ink film. The present invention is an ink film separation/removal method that is characterized by the use an ink remover that contains a nonionic surfactant and water to separate and/or remove an ink film from a plastic base material that has an ink film at a temperature of 25°C or higher.
Inventors:
SENTE YASUHIRO (JP)
WAKAHARA KEISUKE (JP)
KUDO TAKAAKI (JP)
WAKAHARA KEISUKE (JP)
KUDO TAKAAKI (JP)
Application Number:
PCT/JP2021/016237
Publication Date:
November 18, 2021
Filing Date:
April 22, 2021
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09D9/04; B29B17/00; C11D1/72; C11D1/94; C11D3/04; C11D3/30; C11D3/43
Domestic Patent References:
| WO1995007938A1 | 1995-03-23 |
Foreign References:
| JPH08100140A | 1996-04-16 | |||
| JPH07104499A | 1995-04-21 | |||
| JP2001031899A | 2001-02-06 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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