| 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> |
