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Synthesis of core-shell acrylic-polyurethane hybrid latex as binder of aqueous pigment inks for digital inkjet printing

引用

Progress in Natural Science:Materials International 2012年第1期22卷 71-78页

作者： Jingfang Zhang a,Xuefeng Li a,Xinhao Shi a,Mei Hua a,Xingping Zhou b,Xiaqin Wang a,a State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,Donghua University,Shanghai 201620,China b College of Chemical Engineering and Biotechnology,Donghua University,Shanghai 201620,China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Donghua University

Acrylic-polyurethane(PUA) hybrid aqueous emulsion with core-shell structure was prepared via semibatch emulsion copolymerization of the acrylate monomers(AC) in the presence of a commercial polyurethane dispersion as *** core-shell structure of the emulsion was observed by *** particle size and distribution of the emulsion was found to vary drastically with the core-shell *** thermal response properties of emulsion films were measured by DSC,and the results indicated the good compatibility between PA and PU moieties in PUA *** chemical structures of emulsion films were studied by FTIR,and the surface properties were tested by contact angle *** results supported the idea that the surface of the cast films was rich in polyurethane *** water resistance of the cast films became better by increasing the AC *** rheological properties of the latex and its utilization as a binder for aqueous pigment inks of digital inkjet printing were thoroughly investigated,indicating that the prepared hybrid emulsion could be used safely for aqueous pigment inks of digital ink jet printing.

关键词： Core-shell structure PUA hybrid emulsion latex ink binder Rheological properties

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