Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By gas forming or expanding
Patent
1988-11-23
1989-11-21
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By gas forming or expanding
264 54, 264523, 264175, 264299, 264310, 264319, 2643281, 2643282, 264338, 264DIG83, 425 90, 425817R, 425817C, 426515, B29C 6722, B29C 3358, B29C 3936, B29C 4540
Patent
active
048821071
ABSTRACT:
A process which comprises (i) the generation of release surfaces by application to predetermined areas of a solid surface of a solution, suspension or dispersion of a release agent and a supercritical fluid that vaporizes from the release agent, (ii) the deposition of a mass onto the release surface containing the release agent, and (iii) the separation of the mass or a product derived from the mass from such surface covered by the release agent. Novel apparatus for carrying out the process are described.
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Cavender Keith D.
Derderian Edmond J.
Jarrett Eugene L.
Nielsen Kenneth A.
Anderson Philip
Leuzzi Paul W.
Union Carbide Chemicals and Plastics Company Inc.
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