Title:
COATING FILM
Document Type and Number:
WIPO Patent Application WO/2020/090955
Kind Code:
A1
Abstract:
The present invention provides a coating film having, therein, a structure represented by general formula (1) (wherein R11 represents a residue having a structure that one isocyanate group is removed from a polyisocyanate; R12 represents an alkyl group, an alkoxy group or the like each having 2 to 12 carbon atoms inclusive; and R13 represents a residue having a structure that one hydroxyl group is removed from a polyol), wherein the Koenig hardness of the coating film is 20 or more, there are an elastically deformed region and a plastically deformed region in an SS curve measurement in a tensile test on the coating film, and the stress at an inflection point between the elastically deformed region and the plastically deformed region is 5 MPa or more in the SS curve measurement.
Inventors:
TANAKA EIKO (JP)
AZUMA KOICHIRO (JP)
AZUMA KOICHIRO (JP)
Application Number:
PCT/JP2019/042721
Publication Date:
May 07, 2020
Filing Date:
October 31, 2019
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C09D175/04; C08G18/80
Domestic Patent References:
| WO2013151143A1 | 2013-10-10 |
Foreign References:
| JP2011162633A | 2011-08-25 | |||
| JP2017052917A | 2017-03-16 | |||
| JPH08319332A | 1996-12-03 | |||
| JP2014070151A | 2014-04-21 | |||
| JPS5734107A | 1982-02-24 | |||
| JPS61275311A | 1986-12-05 | |||
| JPH01261409A | 1989-10-18 | |||
| JPH036273A | 1991-01-11 |
Other References:
See also references of EP 3875557A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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