Process for forming a high temperature resistant, flexible, plia

Details Process for forming a high temperature resistant, flexible, plia Process for forming a high temperature resistant, flexible, plia

1997-10-23

1999-01-26

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

264322, B29C 7100

Patent

active

058634819

ABSTRACT:
A process for forming pliable elements curable by hot pressing to form high temperature resistant elements is disclosed. In this process, a metal, a metal compound, or a mixture thereof, which has some water of hydration, is mixed with orthophosphoric acid in an amount sufficient to form a resultant mixture having a pH value no greater than 0.85. A refractory material is added to the mixture and a resultant pliable curable material is formed. An element of a preselected configuration is formed from the pliable curable material. The element is dried at a temperature less than about 100.degree. C. for a period of time sufficient to form a pliable curable element having a stable unitary mass. The pliable element is cured by "false melt" processing techniques.

REFERENCES:
patent: 3804648 (1974-04-01), Birchall et al.
patent: 5415824 (1995-05-01), Barrall et al.
patent: 5620645 (1997-04-01), Crumpacker et al.

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