Water-Based Coating Compositions And Systems With Improved Sag Resistance And Related Methods

The present invention provides a water-based coating and/or coating system that can be used to form sag resistant wet layers or coatings on a wide range of substrates. The coating system is particularly effective for protecting metal-containing substrates, such as intermodal cargo containers, agains...

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Bibliographic Details
Main Authors NOWACK WILLIAM C, BEAUDRY CHANNING CHARLES, ZHANG FENG, PREVOST JAMES A, WETZEL WYLIE H
Format Patent
LanguageEnglish
Published 16.06.2016
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPRAYING OR ATOMISING IN GENERAL
STORING
TRANSPORTING
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Summary:The present invention provides a water-based coating and/or coating system that can be used to form sag resistant wet layers or coatings on a wide range of substrates. The coating system is particularly effective for protecting metal-containing substrates, such as intermodal cargo containers, against corrosion. As an overview, the present invention provides water-based compositions suitable to form primer coats on substrates. Desirably, the primer incorporates a high level of one or more CAS agents for excellent sag resistance while drying in a broad range of relative humidity environments. Alternatively, modifications can be made to control temperature and humidity during spray application and drying as a way to increase sag resistance of the coating.
Bibliography:Application Number: US201615046554