Affiliation:
1. Warsaw University of Technology
Abstract
The results of studies on the application of new water-dispersible binders such as
poly(acrylic-styrene), poly(acrylic-allyl ether) for die and isostatic pressing and tape casting of
Al2O3 ceramics are presented. The properties of these acrylic polymers were modified by insertion
of selected amphiphilic macromonomers into the polymer chains. These amphiphilic
macromonomers, due to the proper ratio of the hydrophilic to hydrophobic fragments, play the role
of not only an internal plasticizer, but they also modify the adhesion of such binders to the ceramic
powder particles. The influence of chemical structure of these copolymers on the properties of
alumina ceramics is discussed. The investigations on properties of alumina ceramics obtained by
gelcasting method using new water soluble acrylic monomers containing hydroxyl groups in their
chemical structure as well as by direct coagulation casting method using polymeric flocculants are
also presented and discussed.
Publisher
Trans Tech Publications Ltd
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