Invention Application
- Patent Title: PROCESS FOR PRODUCING STABILIZED POLYACRYLAMIDES
- Patent Title (中): 生产稳定的聚丙烯酰胺的方法
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Application No.: US15047776Application Date: 2016-02-19
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Publication No.: US20160244595A1Publication Date: 2016-08-25
- Inventor: Bjoern Langlotz
- Applicant: BASF SE
- Priority: EP15155999.4 20150220
- Main IPC: C08K5/47
- IPC: C08K5/47

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.
Public/Granted literature
- US10100174B2 Process for producing stabilized polyacrylamides Public/Granted day:2018-10-16
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