Patent · US Expired

Method and means of producing cured coating films

US6736898B2 · kind B2 · utility

3Cited by

3References

4Claims

0Family size

Assignee

BASF SE

Inventors

Wolfgang Schrof · Neuleiningen, DE
Reinhold Schwalm · Monsheim, DE
Erich Beck · Ladenburg, DE
Uwe Meisenburg · Duisburg, DE

Key dates

Filing date	Oct 15, 2001
Grant date	May 18, 2004
Priority date	—
Expiry date	Dec 4, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05D3/061
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The present invention relates to a method of producing at least one coating film on at least one area of a substrate surface, which comprises at least the following steps in the following order:a) initiating at least one crosslinking reaction in at least one reactive coating formulation;b) applying said at least one reactive coating formulation before the onset of said at least one crosslinking reaction on said at least one area of said substrate surface.The present invention additionally relates to a corresponding means of producing at least one coating film on at least one area of a substrate surface, having at least the following elements:a) at least one storage container for at least one reactive coating formulation,b) at least one exposure unit, preferably a UV exposure unit, more preferably a UV laser, andc) at least one application unit having a nozzle, in particular a spraying head, and/ord) a bell for electrostatic application (ESTA bell),wherein said at least one exposure unit is designed so that the radiation generated in said at least one exposure unit is brought into contact with said at least one reactive coating formulation in said at least one application unit.Also …

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.