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    The adhesive behavior of extracted latex polymers towards silicon oxide and cellulose

    Year: 2013

    Journal: International Journal of Adhesion and Adhesives, 2013, 44, pp 250-258, 20130926

    Authors: Cecilia Lindemark, Torbjörn Pettersson, Ola J. Karlsson, Shannon M. Notley, Magnus Norgren, Håkan Edlund

    Organizations: Department of Applied Science and Design, Fibre Science and Communication Network, Mid Sweden University, SE-851 70 Sundsvall, Sweden; Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden; ForceIT, Mossvägen 14, SE-15337 Järna, Sweden; Physical Chemistry, Lund University, Box 124, SE-221 00 Lund, Sweden; Department of Applied Mathematics, Research School of Physical Sciences and Engineering, Australian National University, Canberra 0200 ACT, Australia

    The objective with this work is to compare the adhesive behavior for latex polymers of different glass transition temperatures (Tg) at different length scales and with different contact times. This is accomplished by two techniques: AFM colloidal probe force measurements and JKR-measurements. The aim is to compare the results from these two techniques and relate them to the interaction of the latex polymers towards oxidized silicon wafers and silica/cellulose probes. Theory suggests that altering the short timeframes used in the colloidal probe technique does not affect the ranking of the adhesion for the different polymers, but for the macroscopic JKR-technique it influences the measured work of adhesion. It is therefore important to let the system reach a steady state before assuming complete spreading and adhesion. AFM and JKR measurements showed the same trends where the polymer with lowest content of styrene has the lowest Tg and the highest adhesion, due to the larger polymer chain mobility.