Title:
高固形分塗料組成物
Document Type and Number:
Japanese Patent JP6869753
Kind Code:
B2
Abstract:
Provided are a high-solid coating composition and a method for forming a multilayer coating film using the same, in which a coating film having an excellent pot life and excellent scratch resistance, acid resistance, and finished product appearance (after-tack resistance) can be obtained on the basis of the high-solid coating composition. A high-solid coating composition containing (A) a secondary hydroxyl group-containing acrylic resin having a weight average molecular weight of 3000 to 7000, (B) an aliphatic polyisocyanate compound and/or a derivative thereof, (C) an alkyl etherified melamine resin having a weight average molecular weight of 1000 or less, and (D) a sulfonic acid compound and/or a phosphoric acid compound, characterized in that: the content of the sulfonic acid compound and/or the phosphoric acid compound is less than 1%; the amount of the component (C) is in the range of 1.5 mass% to 20 mass% with respect to the total amount of the component (B).
Inventors:
Yuji Uzawa
Hirotoshi Kitagawa
Hirotoshi Kitagawa
Application Number:
JP2017041751A
Publication Date:
May 12, 2021
Filing Date:
March 06, 2017
Export Citation:
Assignee:
KANSAI PAINT CO.,LTD.
International Classes:
C09D133/14; B05D1/36; B05D7/24; C09D7/65; C09D161/28; C09D175/04
Domestic Patent References:
| JP2002201430A | ||||
| JP2010253384A | ||||
| JP2002275414A | ||||
| JP11511073A | ||||
| JP7224236A | ||||
| JP7188603A | ||||
| JP4371265A | ||||
| JP2015028136A |
Foreign References:
| WO2013047208A1 | ||||
| WO2008050756A1 |
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office