反相乳液法制备聚丙烯酰胺微球及其性能研究

doi:10.3969/j.issn.1001-1803.2020.04.005

Abstract

Abstract:

Polyacrylamide microspheres were prepared by inverse emulsion polymerization with acrylamide （AM） as the main monomer, 2-acrylamide-2-methylpropanesulfonic acid （AMPS） as the functional monomer, and N, N'-methylenebisacrylamide （MBA） as the crosslinking agent. The optimal conditions of synthesis were oil-water mass ratio of 13∶7, m（AM）∶m（AMPS）=7∶1, the amount of crosslinking agent of 2.9%, and the amount of initiator of 0.06%. The average particle size of the emulsion thus obtained was 278 nm with a minimum viscosity. FT-IR, SEM, TG and RS6000 rheometers were used to analyze the structure, morphology and properties of the products. The results showed that the target product was successfully synthesized. The emulsion exhibited smooth microspheres with high dispersity, and had good viscoelasticity and temperature and salt resistance.

Key words: inverse emulsion polymerization, polyacrylamide microsphere, blocking agent, viscoelasticity

CLC Number:

TQ317

LIU Yao,MA Jian-zhong,YANG Hai-en,CAO Rong-rong,ZHANG Kang,LYU Bin. Preparation of polyacrylamide microspheres by inverse emulsion method and their properties[J].China Surfactant Detergent & Cosmetics, 2020, 50(4): 238-243.

Figures/Tables 9

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References 16

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Preparation of polyacrylamide microspheres by inverse emulsion method and their properties

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