| 摘要 |
A water-soluble, cationic polymer comprising from about 1 to about 65 mole percent of one or more cationic monomers, from about 99 to about 35 mole percent of one or more nonionic monomers and from about 1 to about 1000 ppm, based on the total monomer content, of one or more hyperbranched monomers wherein the hyperbranched monomer contains from about 2 to about 20 allyl, vinyl, or acrylic end groups and method of dewatering sludge is disclosed.
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