CURTAIN COATING -  MINIMIZING DEVELOPMENT COSTS, 2021 TAPPICon Live (21TAPL)

Premetered coating in the curtain format is an attractive method to apply single or multilayer structures of mainly functional layers to continuously running substrates. Curtain coating as a contour coating method and belonging to the family of premetered coating methods, offers a perfect cover-age even on non-uniform substrates such as paperboard. It is capable to run with speeds of 1000 m/min or way more, which are typically used in the paper industry and in the Pressure Sensitive Adhesive (PSA) business.

This technology has been developed in the photographic industry several decades ago and was used in this field for a long time successfully in the multilayer mode. Since the mid 1990's curtain coating was introduced in the field of PSA labels as well as in specialty paper applications such as digital imaging or thermosensitive paper. More recent applications use curtain coating in the field of paperboard coating or with barrier coatings e.g. for food packaging. 

TAPPI conference proceedings and presentations, technical papers, and publication articles provide technical and management data and solutions on topics covering the Pulp, Paper, Tissue, Corrugated Packaging, Flexible Packaging, Nanotechnology and Converting Industries.

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