Title:
水系プライマー-サーフェーサー層とそれに適用されたトップコートとを含む多層コーティングの製造方法
Document Type and Number:
Japanese Patent JP4589964
Kind Code:
B2
Abstract:
A process for producing multi-layer coatings comprising a waterborne primer-surfacer layer and a topcoat applied thereto on substrates, in which a waterborne primer-surfacer layer is applied from a waterborne primer-surfacer to substrates and baked and then a topcoat is applied, wherein the waterborne primer-surfacer has a binder solids content with a hydroxyl number of 100 to 250 mg KOH/g and contains free or blocked polyisocyanate as a curing agent (crosslinking agent) for the hydroxy-functional binder(s) in a molar ratio of OH/NCO of more than 2:1 to 5:1, and wherein, after it has been applied and before baking, the waterborne primer-surfacer layer is allowed to evaporate for 30 to 300 seconds at 15 to 40° C.
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Inventors:
Michael Becker
Werner Bosch
Timo Lautert
Werner Bosch
Timo Lautert
Application Number:
JP2007513198A
Publication Date:
December 01, 2010
Filing Date:
May 03, 2005
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
B05D7/14; B05D1/36; B05D3/02; B05D7/00; B05D7/24; C08G18/42; C08G18/80; C09D5/00; C09D5/02; C09D7/12; C09D175/04; B05D
Domestic Patent References:
| JP2006255706A | ||||
| JP5503113A | ||||
| JP10507791A |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe