Title:
MULTI-LAYER COATING FILM
Document Type and Number:
Japanese Patent JP2017047558
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a multi-layer coating film which is a multi-layer coating film covering the surface of a concrete base material, has high transparency, and prevents the surface of the concrete from becoming color of something wet caused by being applied.SOLUTION: The transparent multi-layer coating film is provided which contains an undercoating layer formed with an undercoating material composition containing at least one selected from the group consisting of an acrylic resin, an urethane resin, an urea resin and a modified product of the resins, an intermediate coating layer formed with an intermediate coating material composition, and a top coating layer formed with a top coating material composition, and is formed on the surface of the concrete base material in such a way that a difference between an L value of the surface of a concrete base material before the multi-layer coating film is formed and an L value of the surface of the concrete base material after the multi-layer coating film has been formed is -2.0 to 4.0.SELECTED DRAWING: None
Inventors:
HOSHINO MASAYA
KANESHIRO ATSUSHI
KANESHIRO ATSUSHI
Application Number:
JP2015170899A
Publication Date:
March 09, 2017
Filing Date:
August 31, 2015
Export Citation:
Assignee:
NIPPON PAINT CO LTD
International Classes:
B32B13/12; C09D7/12; C09D133/14; C09D143/04; C09D163/00
Domestic Patent References:
| JPH08302239A | 1996-11-19 | |||
| JP5616548B1 | 2014-10-29 | |||
| JP2005218914A | 2005-08-18 | |||
| JP2014047585A | 2014-03-17 | |||
| JP2014152584A | 2014-08-25 |
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hayashi Ichiyoshi