Anionic water-soluble additives

Anionic water-soluble additives

  • CN 101,675,121 B
  • Filed: 04/29/2008
  • Issued: 12/16/2015
  • Est. Priority Date: 05/10/2007
  • Status: Active Grant
First Claim
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1. anion-modified multipolymer, it obtains in the following way:

  • make monomer (A), (B) and (C) polymerization to obtain the non-ionic copolymer on polyoxyalkylene side chain with reactive end OH base, and subsequently this end OH base is changed into anionic end groups, wherein(A) be the monomer of formula (I)

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