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Preparation and characterization of oxidized starch-graft-poly(styrene-butyl acrylate) latex via emulsion polymerization

  • Shijie Cheng EMAIL logo , Jun Xu and Yumin Wu
Published/Copyright: May 20, 2014
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Journal of Polymer Engineering
From the journal Journal of Polymer Engineering Volume 34 Issue 7

Abstract

Oxidized starch-graft-poly(styrene-butyl acrylate) [OS-g-P(St-BA)] latex was synthesized by the graft copolymerization of OS with St and n-butyl acrylate (BA) via emulsion polymerization. The graft copolymers were characterized by Fourier transform infrared (FT-IR), transmission electronic microscopy (TEM), dynamic light scattering, thermogravimetry (TG), and differential scanning calorimetry (DSC). The effects of the amount of OS, monomers, and initiator on graft copolymerization were investigated. Under the optimal conditions, the percentage of graft (PG), grafting efficiency (GE), and ζ potential could reach 256.5%, 41.7%, and -30.1 mV, respectively. The results indicated that the OS grafted onto particles greatly enhanced the colloidal stability of latex. The thermal stability properties of OS-g-P(St-BA) were also improved by the addition of OS. The OS-g-P(St-BA) latex may be used to partly replace the conventional synthetic latex for paper coating.

Keywords: colloidal stability; graft; latex; oxidized starch; thermal stability
Corresponding author: Shijie Cheng, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China, e-mail:

Acknowledgments

This study was financially supported by the National Natural Science Foundation of China (No. 20876081) and the Science Foundation of Shandong Province (No. ZR2012BM015).

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Received: 2014-2-25
Accepted: 2014-4-24
Published Online: 2014-5-20
Published in Print: 2014-9-1

©2014 by De Gruyter

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https://doi.org/10.1515/polyeng-2014-0047
Keywords for this article
colloidal stability; graft; latex; oxidized starch; thermal stability

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Editorial improvements at the Journal of Polymer Engineering
  4. Original articles
  5. Cationic copolymerization of 1,3-pentadiene with α-pinene
  6. In vitro degradation of polyglycolic acid synthesized by a one-step reaction
  7. Synthesis of a novel class of mixed-type surfmers and their properties in water
  8. Unique viscosity mutation of multi-generation hyperbranched waterborne polyurethane
  9. Preparation and characterization of oxidized starch-graft-poly(styrene-butyl acrylate) latex via emulsion polymerization
  10. Peroxide vulcanization of natural rubber. Part I: effect of temperature and peroxide concentration
  11. The stimuli-response characters of hydrogels prepared using ultrasound
  12. A new conductometric biosensor based on horseradish peroxidase immobilized on chitosan and chitosan/gold nanoparticle films
  13. A new approach for the development of textile waste cotton reinforced composites (T-FRP): laminated hybridization vs. coupling agents
  14. Effects of the surface treatment of wollastonite on the tensile and flow properties for reinforced polypropylene composites
  15. Effect of the quenching temperature on the mechanical and thermophysical properties of polycarbonate pigmented with titanium dioxide
  16. Processing and characterization of poly(lactic acid) blended with polycarbonate and chain extender
  17. Characteristics analysis and mold design for ultrasonic-assisted injection molding
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