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Citation: YANG Ying, GAO Bao-Jiao. Micron-sized Crosslinked Microspheres of HEMA/NVP/MBA via Inverse Suspension Polymerization Method[J]. Chinese Journal of Applied Chemistry, ;2008, 25(4): 477-480. shu

Micron-sized Crosslinked Microspheres of HEMA/NVP/MBA via Inverse Suspension Polymerization Method

YANG Ying ,
GAO Bao-Jiao ^,

1.
Department of Chemical Engineering, North University of China, Taiyuan 030051

Corresponding author: GAO Bao-Jiao,
Received Date: 10 April 2007
Available Online: 5 June 2007

2-Hydroxyethyl methacrylate (HEMA),N-vinylpyrrolidone (NVP) and N,N'Methylene bisacrylamide (MBA) were co-polymerized via inverse suspension polymerization method,and the crosslinked terpolymer microspheres with size of 100~200 μm were obtained.The effects of various factors,such as disperser kind,agitation rate,ratio of oil phase to water phase and the amount of crosslinking agent,on the formation of the microspheres and the diameter of the microspheres were examined.The chemical structure of the microspheres was characterized by FTIR,and their morphology was observed by scanning electron microscopy.
- hydroxyethyl methacrylate,
- N-vinylpyrrolidone,
- inverse suspension polymerization,
- microsphere
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