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Influence of polymerizable emulsifier DNS-86 on water-based acrylic emulsion stability

Guan Rong

Abstract

In this paper, the acrylate emulsions were systhesized by dropwise manner of monomers using the emulsifier allyloxy nonylphenol propyl polyoxyethylene (10) ether sulfate (DNS-86), and then their properties were compared with the emulsions prepared with conventional emulsifier sodium dodecyl sulfate (SDS). The effects of emulsifier DNS-86 on the solid content, conversion of monomers, stability, size and morphology of emulsion particles and Zeta potential were investigated. The reason of affecting the stability of emulsion for polymerizable emulsifier DNS-86 was explored. The results showed that compared with the conventional emulsifier SDS, the emulsion stability is improved when the emulsifier DNS-86 is used.

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Key concepts: Emulsion, Monomer, Acrylate, Nonylphenol, Sodium dodecyl sulfate, Chemistry, Emulsion polymerization, Chemical engineering