Startseite Synthesis of a novel class of mixed-type surfmers and their properties in water
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Synthesis of a novel class of mixed-type surfmers and their properties in water

  • Linyu Li , Ming Duan , Shenwen Fang EMAIL logo , Liehui Zhang , Weihong Long und Hu Wang
Veröffentlicht/Copyright: 27. Mai 2014
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Journal of Polymer Engineering
Aus der Zeitschrift Journal of Polymer Engineering Band 34 Heft 7

Abstract

Three new mixed-type surfmers were synthesized using poly(propylene oxide)/poly(ethylene oxide)/poly(propylene oxide) (PPO-PEO-PPO) having terminal tertiary amine group as the basic material: (1) PPO-PEO-PPO with a carboxyl group on one end (MTA); (2) PPO-PEO-PPO with a quaternary ammonium group on one end (JTA); (3) PPO-PEO-PPO with a quaternary ammonium group on one end and a carboxyl group on the other end (MJTA). These products were confirmed by 1H-NMR and FT-IR. Similar to PPO-PEO-PPO, the three surfmers have a cloud point (Tcp). Both MJTA and MTA have lower Tcp than JTA. However, the cloud points of both MJTA-Na+ and MTA-Na+ are much higher than JTA. Their different Tcp may be caused by their strength of dissociation in water. In addition, at a high temperature (T>Tcp of MJTA), MJTA-Na+ can be considered a pH-sensitive surfactant. At neutral and alkaline conditions, it can be used as an emulsifier. However, at acidic conditions, it loses its emulsification property. MTA-Na+ has the same property.

Keywords: pH-sensitive; poly(ethylene oxide); surfmer
Corresponding author: Shenwen Fang, School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China, e-mail:
aPresent address: 8 Xindu Avenue, Xindu District, Chengdu, Sichuan 610500, PR China

Acknowledgments

This work was financially supported by the Specialized Research Fund for the Doctoral Program of Higher Education (No. 20135121120007) and National Science Fund for Distinguished Young Scholars of China (No. 51125019).

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Received: 2013-5-3
Accepted: 2014-5-7
Published Online: 2014-5-27
Published in Print: 2014-9-1

©2014 by De Gruyter

Artikel in diesem Heft

  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
https://doi.org/10.1515/polyeng-2013-0111
Schlagwörter für diesen Artikel
pH-sensitive; poly(ethylene oxide); surfmer

Artikel in diesem Heft

  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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