2009•Journal of Hunan University of Arts and ScienceRequires access
Study of process conditions of inverse emulsion copolymerization of acrylamide and α -methyl acrylic acid
Hao Ai-ping
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Abstract
The inverse emulsion copolymerization of acrylamide and acrylic acid was studied with a blend of two surfactants Speen-80 and OP-10 as emulsifier and K2S2O8 as initiator and toluene as solvents. The influences of monomers’ concentra- tions, amounts of initiator and emulsifier, the kind of solvents, as well as reaction temperature and time on the conversion rates were investigated, respectively. Rusults indicated that Optimums synthesis processes were methyl benzene used as solvent, monomer’s mass concentration 32.0%, emulsifier’s mass concentration 6.0%, the mass ratio of initiator to monomers 1.5%, polymerization reaction temperature 50 ℃, polymerization reaction time 6 hours, and conversion rates of monomers up to 93.0%.