Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MULTI-LAYER COATING
Document Type and Number:
WIPO Patent Application WO/2017/038802
Kind Code:
A1
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, Masaya (4-1-15, Minamishinagawa, Shinagawa-k, Tokyo 75, 〒1408675, JP)
KANASHIRO, Atsushi (4-1-15, Minamishinagawa, Shinagawa-k, Tokyo 75, 〒1408675, JP)
Application Number:
JP2016/075288
Publication Date:
March 09, 2017
Filing Date:
August 30, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON PAINT CO., LTD. (4-7-16, Minamishinagawa Shinagawa-k, Tokyo 77, 〒1408677, JP)
International Classes:
B32B13/12; C09D7/12; C09D143/04; C09D163/00
Foreign References:
JPH08302239A1996-11-19
JP5616548B12014-10-29
JP2005218914A2005-08-18
JP2014047585A2014-03-17
JP2014152584A2014-08-25
Attorney, Agent or Firm:
SHOBAYASHI, Masayuki et al. (Sapia Tower, 1-7-12 Marunouchi, Chiyoda-k, Tokyo 05, 〒1000005, JP)
Download PDF: