Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1995-06-05
1997-08-05
Beck, Shrive
Coating processes
With post-treatment of coating or coating material
Heating or drying
427392, 427395, 427396, 427411, 427416, 162137, B05D 138
Patent
active
056540396
ABSTRACT:
Recyclable and compostable coated paper stock comprising a substrate coated on at least one surface with a primer coat and a top coat both of which are water based dispersions. The primer coat comprises a water based dispersion of a polymer selected from the group comprising acrylic polymers, acrylic copolymers, polyvinyl acetate, polyvinyl alcohol, poly-ethylene vinyl acetate, poly-ethylene vinyl chloride, styrene butadiene copolymers, polyvinylidiene chloride or starch. The top coat comprises a water based dispersion of a polymer selected from the group comprising acrylic polymers, acrylic copolymers, styrene butadiene copolymers or polyvinylidiene chloride. In another embodiment the top coat further includes a wax component comprising 15-90 wt. % of the polymer and 5-85 wt. % of the wax. The substrate is coated with a primer coat prior to the application of the top coat to seal the substrate surface. The top coat forms a film over the primer coat and imparts water and grease resistant properties to the coated paper stocks. The invention also includes processes for making and using the invented coated paper stocks.
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Bartholomew Gene W.
Delozier Morton S.
Klass-Hoffman Maxine
Quick James R.
Wenzel Donna J.
Beck Shrive
Cameron Erma
International Paper Company
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