NDLI: Synthesis of (meth)acrylate water-borne latexes using amino-acid based surfactants: effect of surfactant on film properties

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Back cover

Polymer Chemistry Vol - 3 Issue - 7

Polymer Chemistry Vol - 3 Issue - 6

Polymer Chemistry Vol - 3 Issue - 5

Polymer Chemistry Vol - 3 Issue - 4

Polymer Chemistry Vol - 3 Issue - 3

Polymer Chemistry Vol - 3 Issue - 2

Polymer Chemistry Vol -2

Polymer Chemistry Vol -1

Synthesis of (meth)acrylate water-borne latexes using amino-acid based surfactants: effect of surfactant on film properties

Content Provider	Royal Society of Chemistry (RSC)
Author	Karpati, Szilvia Leibler, Ludwik Auguste, Stéphane Triftaridou, Aggeliki I. Tournilhac, François Rosenbauer, Eva-Maria Pernot, Jean-Marc
Copyright Year	2012
Abstract	The rapidly increasing concern over environmental changes necessitates the employment of ecologically friendly surfactants for use in emulsion polymerisation without, however, compromising the latex stability or the properties of the cast films. To this end, three series of water-borne, lightly cross-linked latexes based on methyl methacrylate and butyl acrylate were prepared by free radical emulsion polymerisation. 1,4-Butanediol diacrylate served as the cross-linker. Each of the latex series was stabilised by one anionic, amino-acid based surfactant, namely: sodium lauroyl sarcosinate (SLSar), sodium myristoyl sarcosinate (SMSar) and sodium lauroyl glutamate (SLGlu). For comparison purposes, latexes stabilised by sodium dodecyl sulfate (SDS) were also prepared. Within each family, the monomer-to-surfactant molar ratio was varied systematically, whereas the monomer and initiator contents were kept constant in all cases. The hydrodynamic radii (Rh) and the radii of gyration (Rg) of the particles were found to systematically increase with increasing monomer-to-surfactant molar ratio. Films prepared from the SLSar and SDS stabilized latexes were investigated in terms of their optical and thermomechanical properties using transmittance experiments, differential scanning calorimetry, tensile strength and creep experiments. Optimal thermomechanical properties were observed for a particular monomer-to-surfactant molar ratio. Moreover, for the same monomer-to-surfactant molar ratio, the SLSar-based films exhibit remarkable resistance to breaking compared to their SDS counterparts that are relatively fragile.
Starting Page	2178
Ending Page	2185
Page Count	8
File Format	HTM / HTML PDF
ISSN	17599954
Volume Number	3
Issue Number	8
Journal	Polymer Chemistry
DOI	10.1039/c2py20278f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Glutamic acid Differential scanning calorimetry 1,4-Butanediol Sodium lauroyl sarcosinate Hydrodynamic radius Lauric acid Ultimate tensile strength Butyl acrylate Concentration Surfactant Latex Dislocation creep Sodium dodecyl sulfate Emulsion polymerization Sodium Free-radical halogenation Methyl methacrylate Monomer
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry Bioengineering Biomedical Engineering Polymers and Plastics

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Synthesis of (meth)acrylate water-borne latexes using amino-acid based surfactants: effect of surfactant on film properties