Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/76214
Title: Formation of microporous polymeric materials by microemulsion polymerization of methyl methacrylate and 2-hydroxyethyl methacrylate
Authors: Chieng, T.H.
Gan, L.M. 
Chew, C.H. 
Ng, S.C. 
Pey, K.L. 
Issue Date: 6-Jun-1996
Source: Chieng, T.H.,Gan, L.M.,Chew, C.H.,Ng, S.C.,Pey, K.L. (1996-06-06). Formation of microporous polymeric materials by microemulsion polymerization of methyl methacrylate and 2-hydroxyethyl methacrylate. Journal of Applied Polymer Science 60 (10) : 1561-1568. ScholarBank@NUS Repository.
Abstract: The investigated microemulsion system consisted of methyl methacrylate, 2-hydroxyethyl methacrylate and water using sodium dodecyl sulphate as surfactant. Ethylene glycol dimethacrylate acting as a cross-linker was also incorporated to enhance the mechanical strengths of the microporous polymeric materials. The polymerization was carried out at room temperature using a reactive redox initiator comprising ammonium persulphate and N,N,N′,N′-tetramethylethylene diamine. The conductivities of the microemulsion samples were monitored during the course of polymerization. The conductivities for a bicontinuous microemulsion before and after polymerization were found to be very similar. In addition, the transformation of microstructures was also examined using a transmission as well as a field emission scanning electron microscope. It is evidenced from the micrographs that microporous polymeric materials prepared from bicontinuous microemulsion polymerization are attributed to numerous coagulations of spherical particles. A possible mechanism for the microstructural transformation is discussed based on the information of conductivity measurements and electron micrographs. © 1996 John Wiley & Sons, Inc.
Source Title: Journal of Applied Polymer Science
URI: http://scholarbank.nus.edu.sg/handle/10635/76214
ISSN: 00218995
Appears in Collections:Staff Publications

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