Claims
- 1. A method of forming an article, comprising the steps of:
- a) preparing a mixture of a molding composition comprising:
- (1) a gel-forming polysaccharide material,
- (2) a gel-enhancing agent comprised of a poly(amine),
- (3) a solvent,
- (4) powders selected from the group consisting of metal powders, ceramic powders and mixtures thereof, and
- (5) an oxidizing agent, said oxidizing agent being first added to said mixture prior to adding said gel-enhancing agent;
- b) heating said mixture to a first temperature above the gel point of said gel-forming material to solubilize the gel forming material, said temperature ranging from about 70.degree. C. to about 100.degree. C.;
- c) supplying the mixture to a mold;
- d) molding the mixture at a second cooler temperature at or below the gel point of the gel-forming material to produce a self-supporting article comprising gel and the powders.
- 2. The method of claim 1 wherein said oxidizing agent is a periodate.
Parent Case Info
This application is a continuation of application Ser. No. 07/676,646, filed Mar. 28, 1991, now U.S. Pat. No. 5,286,767.
US Referenced Citations (9)
Continuations (1)
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Number |
Date |
Country |
Parent |
676646 |
Mar 1991 |
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