Method for improving crater resistance of paint films

The present invention provides a method for providing a paint film with improved cratering resistance, comprising making adjustments in the application of a liquid paint to a substrate so that the wet paint film immediately after application has a viscosity of 0.2 to 1.0 Pa.s at a strain rate of 5 s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FUJITANI TOSHIHIDE, HIWARA ATSUNAO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention provides a method for providing a paint film with improved cratering resistance, comprising making adjustments in the application of a liquid paint to a substrate so that the wet paint film immediately after application has a viscosity of 0.2 to 1.0 Pa.s at a strain rate of 5 secat 20° C., as measured by the static flow method, and has a storage modulus/loss modulus ratio within the range of 0.1 to 0.25 at an angular frequency of 10 rad/sec at 20° C., as measured by the oscillation method.