Document Type
Patent
Publication Date
5-27-2003
Patent Number
patent number 6569797
Abstract
An improved method for preparing low density ceramics is described wherein the process incorporates paper residuals which are a by-product of the paper recycling process. The method for making a low density-ceramic comprises the steps of: a) providing a paper residual comprising from about 0.5 to about 99 percent, by weight, of at least one filler, from about 0 to about 20 percent, by weight, of a dye, from about 0 to about 10 percent, by weight, of an ink, from about 0.5 to about 99.5 percent, by weight, of paper fiber, and from about 0 to about 30 percent, by weight, of other components, based on a dry weight of the residual; b) admixing a ceramic material with the paper residual, the ceramic material comprising up to about 90%, by weight, of the admixture, based on a dry weight of the admixture; c) forming the admixture into a desired shape; and d) firing the admixture to a temperature ranging from about 1850.degree. F. to about 2900.degree. F.
Application Number
09/715812
Assignees
Clemson University (Clemson, SC)
Filing Date
2000-11-17
Primary/U.S. Class
501/155
Other/U.S. Class
264/44, 501/80, 501/81, 501/82, 501/83