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Polymer Bulletin

Erschienen in:

01.06.2011 | Original Paper

Effect of emulsifier on poly(urea–formaldehyde) microencapsulation of tetrachloroethylene

verfasst von: Chuanjie Fan, Xiaodong Zhou

Erschienen in: Polymer Bulletin | Ausgabe 1/2011

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Abstract

Microcapsules containing tetrachloroethylene as an internal phase were prepared by in situ polymerization of urea–formaldehyde (UF) without prepolymerization. The effects of different emulsifiers on the process of microencapsulation and morphology of microcapsules were investigated. The results show that the emulsifier gum arabic (GA) can effectively slow down the deposition rate of resin onto the oil/water interface, which can lead to smooth and compact surface of microcapsules. The surface activity of GA was also enhanced by complex formation of gum arabic and sodium dodecyl benzene sulfonate. The microcapsules represent good thermal and barrier property as a result of the formation of capsule wall with compact microstructure.

Vorheriger Artikel Thermal decomposition of 3,3,6,6,9,9-hexaethyl-1,2,4,5,7,8-hexaoxacyclononane in solution and its use in methyl methacrylate polymerization

Nächster Artikel Synthesis and study of the effect of carboxyvinyl group position on the properties of polyamides. Crosslinked polymers

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Titel: Effect of emulsifier on poly(urea–formaldehyde) microencapsulation of tetrachloroethylene
verfasst von: Chuanjie Fan
Xiaodong Zhou
Publikationsdatum: 01.06.2011
Verlag: Springer-Verlag
Erschienen in: Polymer Bulletin / Ausgabe 1/2011
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI: https://doi.org/10.1007/s00289-010-0355-1

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