Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By treating occluded solids
Patent
1981-06-26
1984-02-28
Anderson, Philip E.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By treating occluded solids
264 41, 264101, 264216, 264299, 26433114, 521 27, 521 30, 521 33, 524805, B29D 2700
Patent
active
044341164
ABSTRACT:
A method is shown for making porous thermoresin structures. By the method, the thermoresin is at least partially solvated, formed into a desired shape, and cooled until droplets of the solvent form by syneresis within the shape. Further cooling crystalizes the droplets. These crystalized droplets are subsequently removed to leave a porous structure.
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Anderson Philip E.
Diamond Shamrock Corporation
Harang Bruce E.
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