Styrene miniemulsion polymerization stabilized by carboxylated polyurethane. II. Kinetics

Zhang Qing Yu, Doug Youn Lee, In Woo Cheong, Jin Sup Shin, Young Jun Park, Jung-Hyun Kim

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A styrene miniemulsion was prepared using carboxylated polyurethane as the sole costabilizer and sodium dodecyl sulfate as the surfactant. The effects of the amount of carboxylated polyurethane, the amount of the initiator and surfactant, the presence of a water-phase inhibitor (sodium nitrite), and the reaction temperature on the kinetics of the miniemulsion polymerization were investigated. The evolution of the particle size during the polymerization was measured. The results show that the polymerization rate was proportional to the 0.21 power of the surfactant concentration and the 0.30 power of azobisisobutyronitrile. The droplet nucleation and homogeneous nucleation were found to be coexistent in the polymerization. The hydrophility of the particle surface plays a key role in the nucleation of the particle and, therefore, has an important effect on the kinetics of the polymerization.

Original languageEnglish
Pages (from-to)1941-1947
Number of pages7
JournalJournal of Applied Polymer Science
Volume87
Issue number12
DOIs
Publication statusPublished - 2003 Mar 21

Fingerprint

Styrene
Polyurethanes
Polymerization
Kinetics
Surface-Active Agents
Surface active agents
Nucleation
Sodium Nitrite
Sodium dodecyl sulfate
Sodium Dodecyl Sulfate
Particle size
Sodium
Water
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Yu, Zhang Qing ; Lee, Doug Youn ; Cheong, In Woo ; Shin, Jin Sup ; Park, Young Jun ; Kim, Jung-Hyun. / Styrene miniemulsion polymerization stabilized by carboxylated polyurethane. II. Kinetics. In: Journal of Applied Polymer Science. 2003 ; Vol. 87, No. 12. pp. 1941-1947.
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Styrene miniemulsion polymerization stabilized by carboxylated polyurethane. II. Kinetics. / Yu, Zhang Qing; Lee, Doug Youn; Cheong, In Woo; Shin, Jin Sup; Park, Young Jun; Kim, Jung-Hyun.

In: Journal of Applied Polymer Science, Vol. 87, No. 12, 21.03.2003, p. 1941-1947.

Research output: Contribution to journalArticle

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AU - Yu, Zhang Qing

AU - Lee, Doug Youn

AU - Cheong, In Woo

AU - Shin, Jin Sup

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AU - Kim, Jung-Hyun

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AB - A styrene miniemulsion was prepared using carboxylated polyurethane as the sole costabilizer and sodium dodecyl sulfate as the surfactant. The effects of the amount of carboxylated polyurethane, the amount of the initiator and surfactant, the presence of a water-phase inhibitor (sodium nitrite), and the reaction temperature on the kinetics of the miniemulsion polymerization were investigated. The evolution of the particle size during the polymerization was measured. The results show that the polymerization rate was proportional to the 0.21 power of the surfactant concentration and the 0.30 power of azobisisobutyronitrile. The droplet nucleation and homogeneous nucleation were found to be coexistent in the polymerization. The hydrophility of the particle surface plays a key role in the nucleation of the particle and, therefore, has an important effect on the kinetics of the polymerization.

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