Invention Application
US20160244595A1 PROCESS FOR PRODUCING STABILIZED POLYACRYLAMIDES 审中-公开
生产稳定的聚丙烯酰胺的方法

  • Patent Title: PROCESS FOR PRODUCING STABILIZED POLYACRYLAMIDES
  • Patent Title (中): 生产稳定的聚丙烯酰胺的方法
  • Application No.: US15047776
    Application Date: 2016-02-19
  • Publication No.: US20160244595A1
    Publication Date: 2016-08-25
  • Inventor: Bjoern Langlotz
  • Applicant: BASF SE
  • Priority: EP15155999.4 20150220
  • Main IPC: C08K5/47
  • IPC: C08K5/47
PROCESS FOR PRODUCING STABILIZED POLYACRYLAMIDES
Abstract:
The present application relates to a process for producing a composition comprising at least one acrylamide polymer P and at least one stabilizer St, wherein the acrylamide polymer P is obtained in the form of a polymer gel, and the acrylamide polymer gel having a water content in the range from 50% to 80% by weight, based on the overall polymer gel, is treated with an aqueous solution SS comprising at least one stabilizer St selected from the group consisting of sulfur compounds, N-oxides, organic nitroso compounds, aromatic hydroxyl compounds and ketones.
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