Method for making thixotropic materials
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United States of America Patent
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-
Sep 22, 1987
Grant Date -
N/A
app pub date -
Dec 1, 1981
filing date -
Dec 1, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for forming a liquid-solid composition from a material which, when frozen from its liquid state without agitation, forms a dendritic structure. A material having a non-thioxotropic-type structure, in a solid form, is fed into an extruder. The material is heated to a temperature above its liquidus temperature. It is then cooled to a temperature less than its liquidus temperature and greater than its solidus temperature, while being subjected to sufficient shearing action to break at least a portion of the dendritic structures as they form. Thereafter, the material is fed out of the extruder.
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