Title:
複層塗膜
Document Type and Number:
Japanese Patent JP6704228
Kind Code:
B2
Abstract:
To provide a multi-layer coating for covering the surface of a concrete substrate, the multi-layer coating having high transparency and application thereof not imparting a wet coloring onto the surface of the concrete. The transparent multi-layer coating includes: a lower coating layer derived from a lower coating composition, which contains at least one selected from the group consisting of acrylic resins, urethane resins, urea resins, and modified forms of these resins; a middle coating layer derived from a middle coating composition; and an upper coating layer derived from an upper coating composition. The transparent multi-layer coating is formed on the surface of a concrete substrate so that the difference between the L value of the concrete substrate surface before forming of the multi-layer coating and the L value of the concrete substrate surface after forming of the multi-layer coating is ‒2.0 to 4.0.
Inventors:
Hoshino Tamiya
Atsushi Kaneshiro
Atsushi Kaneshiro
Application Number:
JP2015170899A
Publication Date:
June 03, 2020
Filing Date:
August 31, 2015
Export Citation:
Assignee:
NIPPON PAINT CO.,LTD.
International Classes:
B32B13/12; C04B41/48; C09D7/65; C09D143/04; C09D163/00
Domestic Patent References:
| JP8302239A | ||||
| JP5616548B1 | ||||
| JP2005218914A | ||||
| JP2014047585A | ||||
| JP2014152584A |
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hayashi Ichiyoshi