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Effect of polymerizable emulsifier and fluorine monomer on properties of self-crosslinking fluorinated polyacrylate soap-free latexes

  • Lifen Hao
  • Qiufeng An
  • Wei Xu
  • Dan Zhang
  • Min Zhang
Original Paper

Abstract

We used a polymerizable emulsifier, ammonium allyloxtmethylate nonylphenol ethoxylates sulfate (DNS-86), to synthesize self-crosslinking fluorinated polyacrylate soap-free latices (FMBN) with a core-shell structure by a semicontinuous seeded emulsion polymerization method from dodecafluoroheptyl methacrylate (DFMA), methyl methacrylate (MMA), butyl acrylate (BA), and N-methylolacrylamide (NMA) as self-crosslinking functional monomer. Then we examined the effects of DNS-86 and DFMA on stability, average particle size and hydrophobicity of the FMBN latices or their films in detail. While dosage of the DNS-86 and the DFMA were employed as 3 wt% (on the basis of the total-monomers weight) and 8 g in our recipe, the latex and its film could be acquired with higher stability and a smaller particle size and polydispersity index, as well as favorable hydrophobicity. FTIR confirmed the structure of the FMBN. The emulsion particles’ core-shell structure was observed by transmission electron microscopy. Thermal stability of the copolymer was greatly improved with the increasing of the DFMA level. X-ray photoelectron spectroscopy analysis indicated that the fluoroalkyl groups tended to enrich at the film-air interface. Meanwhile, hydrophobicity of the self-crosslinking soap-free latex film showed some improvement compared to the general one and the non-crosslinked one.

Keywords

Soap-free emulsion Fluorinated polyacrylate Core-shell polymers Self-crosslinking 

Notes

Acknowledgments

We are grateful for the Natural Foundation of Shaanxi Province (2012JM6013), the Key High-Tech Project from Shaanxi Province (2010ZDKG-35), Scientific Research Program of Shaanxi Provincial Education Department (2013JK0661) and the Industrialization Project from Education Department of Shaanxi Province (2011JG25) of China for financial supports of our research.

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  1. 1.College of Chemistry and Chemical EngineeringShaanxi University of Science and TechnologyXi’anChina
  2. 2.College of Resource and EnvironmentShaanxi University of Science and TechnologyXi’anChina
  3. 3.Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of EducationShaanxi University of Science and TechnologyXi’anChina

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