| 摘要 |
Coating process for papers and cardboards, in which cross-linked polymers insoluble in water, containing in molar proportions in the polymerized state: 50 to 99.995% acrylic acid at least 70% of which is in the form of ammonium acrylate, 0.005 to 0.5% bisacrylamidoacetic acid which has about the same neutralization ratio as acrylic acid and, the complement to 100% with acrylamide, are used as coating agent, and use in paper coating.
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