| 摘要 |
<p>This invention relates to a paper coating composition for enhancing the stiffness of paper or paperboard, comprising an alkali soluble polymer prepared by polymerization of at least one monomer A and at least one monomer B, wherein monomer A is selected from the following group: acrylic acid alkyl esters, methacrylic acid alkyl esters styrene, methyl styrene, acrylonitrile, vinyl acetate. 2 hydroxy alkyl acrylate, and monomer B is selected from the following group: acrylic acid, methacrylic acid, itaconic acid (meth)acrylamide.</p> |
