Title:
COATING FILM REMOVER AND METHOD FOR REMOVING COATING FILM
Document Type and Number:
WIPO Patent Application WO/2020/129949
Kind Code:
A1
Abstract:
The present invention provides: an aqueous coating film remover which has sufficient peel strength; and a method for removing a coating film. According to the present invention, radicals are efficiently generated, while suppressing diffusion of oxygen, by performing an electrolysis treatment with use of a coating film remover that has a high viscosity at 0.1 S-1 (low-shear viscosity) and a low viscosity at 100 S-1 (high-shear viscosity), and the adhered region at the interface between a coating film and a base material is destroyed by the thus-generated radicals. Specifically, an aqueous coating film remover according to the present invention has a viscosity at 0.1 S-1 (low-shear viscosity) of from 20 Pa∙s to 5,000 Pa∙s (inclusive) and a viscosity at 100 S-1 (high-shear viscosity) of from 0.001 Pa∙s to 40 Pa∙s (inclusive).
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Inventors:
URABE KENGO (JP)
KAWAMOTO TAMAKI (JP)
MINATO YASUNORI (JP)
KAWAMOTO TAMAKI (JP)
MINATO YASUNORI (JP)
Application Number:
PCT/JP2019/049314
Publication Date:
June 25, 2020
Filing Date:
December 17, 2019
Export Citation:
Assignee:
NIPPON PAINT HOLDINGS CO LTD (JP)
International Classes:
B05D3/10; B05D3/12; B05D3/14; C09D9/00
Foreign References:
| JP2015182024A | 2015-10-22 | |||
| JPH11209665A | 1999-08-03 | |||
| JPH06114842A | 1994-04-26 | |||
| JP2000044849A | 2000-02-15 |
Attorney, Agent or Firm:
SHOBAYASHI, Masayuki et al. (JP)
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