Acrylate latex was synthesized using the low molecular weight styrene-maleic anhydride（SMA）copolymer saponified by use of the bases of KOH，NaOH，NH3·H2O and TEA. The amount of the saponified SMA copolymers emulsifier used in emulsion polymerization， the particle size，particle size distribution，viscosity and stability of latex and the water absorption of latex film were investigated. It was shown that all of the above mentioned alkali saponified SMA copolymer could be used as emulsifier to synthesize acrylate latex and the best dosage was 8% of the monomers. The property and the water absorption of latex film were significantly influenced by the alkali used in the saponification reaction of SMA copolymer.The comprehensive properties of acrylate latex，prepared by using the SAM copolymers saponified via NaOH as emulsifier，was the best among them，the particle size of the latex was as small as 142 nm and monodisperse，its viscosity was 14. 68 mPa·s with excellent stability， the water absorbability of latex film was as low as 9. 52%.
GU Wan-Zhong
. Synthesis of Polyacrylate Latex with SMA Copolymer as Emulsifier[J]. Paint & Coatings Industry, 2020
, 50(8)
: 15
-20
.
DOI: 10.12020/j.issn.0253-4312.2020.8.15
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