Preparation of monodisperse hydrophilic polymer microspheres withN,N′-methylenediacrylamide as crosslinker by distillation precipitation polymerization
作者： Guangyu Liu , Xinlin Yang , Yongmei Wang
DOI: 10.1002/PI.2223
关键词:
摘要: Highly crosslinked cauliflower-like poly(N,N′-methylenebisacrylamide) particles were prepared by distillation precipitation polymerization in neat acetonitrile with 2,2′-azobisisobutyronitrile as initiator. Monodisperse hydrophilic polymer microspheres various functional groups, such amide, pyrrolidone and carboxylic acid, a spherical shape smooth surface the size range 120–600 nm copolymerizations of comonomers including N-isopropylacrylamide, N-vinylpyrrolidone, methacrylic acid N,N′-methylenebisacrylamide crosslinker. The formed precipitated out from reaction medium during solvent system through an entropic manner. effects degree crosslinking on morphology loading capacity groups resultant investigated. resulting characterized scanning electron microscopy, transmission dynamic light scattering Fourier transform infrared spectroscopy. Copyright © 2007 Society Chemical Industry
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