RIX, Estelle; GRAU, Etienne; CHOLLET, Guillaume; CRAMAIL, Henri

doi:10.1016/j.eurpolymj.2016.07.006

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RIX, Estelle
Laboratoire de Chimie des Polymères Organiques [LCPO]

GRAU, Etienne

Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 2 LCPO : Biopolymers & Bio-sourced Polymers

CHOLLET, Guillaume
Institut des Corps Gras [ITERG]

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European Polymer Journal. 2016, vol. 84, p. 863-872

Elsevier

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The synthesis of fatty acid-based poly(hydroxy urethane)s, PHUs, was investigated. Bulk polymerization of fatty acid-based bis-carbonates with fatty acid diamine, Priamine® 1075, was first studied, allowing us to prepare non-isocyanate polyurethanes, NIPUs, at low temperature (60 °C) and in few hours. Water-borne NIPUs latexes were then prepared with the same monomers through mini-emulsion process. Different surfactants and hydrophobic additives were tested in order to obtain stable emulsions and polymer particles. NIPUs latexes with solid content up to 30 wt.% could be achieved. As a general trend, NIPUs prepared in mini-emulsion exhibited lower molar masses than the ones formed in bulk, phenomenon explained by the partial hydrolysis of cyclic carbonates.< Leer menos

Palabras clave en inglés

Poly(hydroxy urethane)

NIPUs

mini-emulsion

latex

fatty acids

water-borne

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Synthesis of fatty acid-based Non-Isocyanate Polyurethanes, NIPUs, in bulk and mini-emulsion

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