Coating apparatus and methods of applying a polymer coating

Details Coating apparatus and methods of applying a polymer coating Coating apparatus and methods of applying a polymer coating

C - Chemistry, Metallurgy

08

G

C08G 18/10 (2006.01) B05C 3/18 (2006.01) B05D 1/28 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C08G 18/28 (2006.01) C09D 175/04 (2006.01) D06B 1/14 (2006.01) D06M 13/513 (2006.01) D06M 15/564 (2006.01) D06N 3/14 (2006.01) B05C 3/04 (2006.01) D21H 19/32 (2006.01)

Patent

CA 2412008

Methods of applying a polymer coating to a substrate are disclosed. By disrupting a bank (8) of polymer precursor, a smooth coating of fast setting polymer can be applied to a substrate. Apparatus (5) for applying a polymer coating is also disclosed. In one embodiment, an oscillating dispenser is used to apply polymer precursor onto a dispersive surface (30). The polymer precursor flows down the surface (30) and is transferred to a moving web (50). Flowing solvent downwardly through the dispenser can provide efficient cleaning without the need for disassembly or production delays.

L'invention concerne des procédés d'application d'un revêtement polymère sur un substrat. En disloquant un bourrelet de précurseur de polymère, on peut appliquer au substrat un revêtement lisse de polymère à prise rapide. L'invention concerne également l'appareil conçu pour appliquer un revêtement de polymère. Dans un mode de réalisation, un distributeur à oscillation permet d'appliquer le précurseur de polymère sur une surface dispersive. Ledit précurseur, qui s'écoule le long de la surface, est transféré vers une bande mobile. L'écoulement d'un solvant vers le bas à travers le distributeur produit un nettoyage efficace sans nécessité de démontage et sans entraîner des retards au niveau de la production.

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