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Citation:
Yu Yang LIU, Mu Jie YANG. Preparation of MMA-BA-DMAEMA Nanosized Latex[J]. Chinese Chemical Letters,
;2003, 14(8): 863-865.
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The terpolymer latex of methyl methacrylate (MMA)/butyl acrylate (BA)/dimethyl aminoethyl methacrylate (DMAEMA) with diameter of less than 100 nm was prepared by seeding semi-continuous emulsion copolymerization using APS (ammonium persulfate)/TMEDA (N,N,N, N-tetramethylethylenediamine) as the redox initiators and SDS (sodium dodecylsulfate) and OP (P-octylpolyethylene glycol phenylether) as co-emulsifiers. The factors that influenced the process stability of the copolymerization and the particle size of the latex were investigated. The addition of aqueous ammonia as coagulation inhibitor provided better process stability of the copoly-merization. The addition of acetic acid as the acidification agent caused a remarkable reduction of the latex particle size.
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