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Title of Journal: Polym Bull

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Abbravation: Polymer Bulletin

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Springer-Verlag

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DOI

10.1007/bf00005233

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1436-2449

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Solution properties and flocculation of hydrophobi

Authors: Peizhi Li Yiding Shen Xiaowu Yang
Publish Date: 2011/01/20
Volume: 67, Issue: 6, Pages: 961-973
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Abstract

The hydrophobically associating cationic fluorinated polyacrylamide CFPAM modified with fluorinated acrylate 2perfluorooctylethyl acrylate FEA has been newly synthesized by free radical micellar copolymerization in aqueous solution The solution properties of these polymers were investigated in details in this study In addition the flocculation of CFPAM was also evaluated The results showed that there were strong hydrophobic associations in the CFPAM aqueous solution The addition of NaCl resulted in an increase of solution viscosity which indicated the good saltresistant performance of CFPAM The polymers also exhibited excellent property of temperature and shearing tolerance Furthermore the polymer showed high surface activity At the same time its flocculation properties were evaluated with kaolin suspensions using a standard jar test All the results demonstrated the superiority of the cationic fluorinated polyacrylamide as a flocculant

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