Printability improving agents and papers coated with them
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United States of America Patent
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app pub date -
Mar 9, 2010
filing date -
Jun 30, 2004
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Abstract
A printability improving agent for use in a neutral newsprint base paper which is printed with ecological inks, containing (I) a cationic copolymer obtained by polymerizing one or more hydrophobic monomer unit(s) selected from styrenes and alkyl acrylates and/or alkyl methacrylates with a quaternary ammonium salt-containing monomer unit, and (II) a copolymer obtained by polymerizing 100 parts by weight of one or more hydrophobic monomer(s) selected from the group above in the presence of 1-10 parts by weight of a surfactant.
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