Title:
BLOCK POLYISOCYANATE COMPOSITION, ONE-COMPONENT COATING COMPOSITION, COATING FILM, AND COATED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2021/020534
Kind Code:
A1
Abstract:
This block polyisocyanate composition has excellent low temperature curability when formed as a coating film, and comprises: a block polyisocyanate derived from a polyisocyanate and a block agent; at least one organic acid and/or inorganic acid (A); and at least one metal and/or quaternary ammonium cation (X), wherein the mass ratio X/A of X to A is 0.01-5.0, the content of X is 0.001-20 mass% with respect to the total mass of the block polyisocyanate composition, and the block agent includes a compound having a heterocyclic ring containing at least one nitrogen atom.
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Inventors:
SHINOMIYA KIE (JP)
TANAKA EIKO (JP)
TANAKA EIKO (JP)
Application Number:
PCT/JP2020/029334
Publication Date:
February 04, 2021
Filing Date:
July 30, 2020
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C09D175/00; C08G18/16; C08G18/28; C08G18/80; C09D7/63
Foreign References:
| JP2016089028A | 2016-05-23 | |||
| JP2016138202A | 2016-08-04 | |||
| JPH10330454A | 1998-12-15 | |||
| JP2002309217A | 2002-10-23 | |||
| JP2019142538A | 2019-08-29 | |||
| EP0159117A1 | 1985-10-23 | |||
| JPS5734107A | 1982-02-24 | |||
| JPS61275311A | 1986-12-05 |
Other References:
See also references of EP 4008757A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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