What is it about?
Tape casting is a way of forming thin ceramic sheets. A powder suspension is spread out on a carrier film and dried to a thin powder layer. The thin powder layers is sintered to make a dense ceramic. This is traditionally done by using an organic solvent to suspend the powder. This article is about how you can use water instead of an organic solvent. When your use water there is often problems with drying cracks. This article shows how you can avoid this by using latex as a binder in waters.
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Why is it important?
If you can avoid using organic solvents you can avoid expensive, hazardous and inflammable solvents. By using latex to avoid drying problems it is possible to tape cast with water in a continuous industrial casting process. This was one of the first publications that showed that it was possible to use water in an effective tape casting process.
Perspectives
An important driving force in my research has be to minimize environmental effects in an industrial setting. But it is also so much easier to work with water-based systems in the lab. Handling is so much easier so you can make more experiments in a shorter time.
Elis Carlström
Swerea
Read the Original
This page is a summary of: Tape casting of alumina in water with an acrylic latex binder, Journal of the European Ceramic Society, January 1997, Elsevier,
DOI: 10.1016/s0955-2219(96)00143-4.
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