COATING OF ANTICORROSIVE PRIMER FOR STEEL MATERIAL

PROBLEM TO BE SOLVED: To provide a thick anticorrosion coat, of which a main coat can be applied even at an interval of five minutes after coating a primer to greatly reduce the time of a coating process, and which remarkably improves anticorrosion properties such as water resistance, cathodic delam...

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Bibliographic Details
Main Authors KAYAZONO YOSHIHISA, MIMURA HIROYUKI, FUNATSU SHINICHI
Format Patent
LanguageEnglish
Published 24.11.1999
Edition6
Subjects
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a thick anticorrosion coat, of which a main coat can be applied even at an interval of five minutes after coating a primer to greatly reduce the time of a coating process, and which remarkably improves anticorrosion properties such as water resistance, cathodic delamination resistance, adhesiveness, shock resistance. or the like to be maintenance-free for long term. SOLUTION: When a two-liquid reaction type urethane primer for steel material anticorrosion, first an isocyanate component and a polyol component are continuously coated by a coater, which can quantitatively mix and coat them, or the like, at the ratio of NCO to active hydrogen between 1.0 and 2.0, and then, a two-liquid reaction type solventless urethane anticorrosion coating material is coated before this primer is hardened completely.
Bibliography:Application Number: JP19980135634