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Title: Acrylic monomers based emulsion copolymer for coating application
Authors: Mondal, S
Gupta, B
Singh, H
Keywords: Acrylic copolymer;Emulsion polymerization;Proton nuclear magnetic resonance;Thermogravimeric analysis;Viscosity
Issue Date: Jun-2005
Publisher: NISCAIR-CSIR, India
IPC Code: Int. CI.7C08F2/22
Abstract: Methyl methacrylate and butyl acrylate copolymers with varying percentage of methacrylic acids and 2-hydroxy ethyl methacrylate were synthesized using emulsion polymerization technique for coating application. Nonyl phenol ethylene oxide condensate and sodium lauryl sulphate were used as the emulsifiers. Potassium persulphate was used as initiator. The copolymers were characterized by viscosity measurement, proton nuclear magnetic resonance (1HNMR) and thermogravimetric analysis techniques. The viscosity of the copolymer increased with the increase in pH, passed through a maximum at pH 8.5 and then decreased with the further increase in pH. 1NMR study confirmed all the groups present in the copolymers. The copolymers showed good thermal stability and can be used for textile coating application without any external thickening agent.
Page(s): 184-189
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.30(2) [June 2005]

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