Film coatings based on polyalkylimine condensation polymers
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United States of America Patent
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Mar 15, 2016
Grant Date -
Aug 21, 2014
app pub date -
Jan 18, 2013
filing date -
May 1, 2012
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Abstract
A coated thermoplastic film and a method of making the coated film, wherein at least one side of the film is coated with a coating composition, the coating composition comprising the reaction product of a polyalkyleneimine having at least primary nitrogens, and an epoxide compound having at least one epoxide moiety and a weight average molecular weight (Mw) of at least 200 g/mole. The weight of the dried coating compound on each side of the film is within the range from 0.005 g/m2 to 0.100 g/m2, and is especially useful in coating films to allow for printability when the film surface will be exposed to high levels of silicon that might come from, for example, release paper/films.
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