Using Polymers as a Binder for Improvement of Mechanical Strength of Tableware in Isostatics Press Technology

Today, producing of tableware has been changed from traditional to modern technology. In the new technology, granulate is pressed with 3% moisture up to 300 bar. The polymer could be used to make up moisture shortage and increase green strength in granulate and mechanical strength in pressed item. This paper presents results of using selected polymer in body mixture. For this purpose, two selected polymers were heated to find their burning curve and were added in different amount in body mixture and were heated in different temperatures to find their influence on mechanical strength. The results of the test showed adding polyvinyl alcohol with different chain could increase mechanical strength without any problem in oxidation atmosphere up to 400°C.