Method for reclaiming processed thermosetting plastic compounds

Details Method for reclaiming processed thermosetting plastic compounds Method for reclaiming processed thermosetting plastic compounds

1977-01-31

1978-10-31

Woo, Jay H.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

174110PM, 260 23, 264 37, 264174, 264176R, B44D 142, B29H 1900

Patent

active

041235843

ABSTRACT:
A process for recovering solid scrap thermosetting plastic compounds such as crosslinkable polyethylene compound and the like, by immediately hot-granulating the fresh thermosetting scrap before it has time to fully cure and then reducing the granules to a fine powder. The powdered scrap compound may be reused directly or blended with virgin material, and recompounded into granules for reuse in molding or extrusion processes.

REFERENCES:
patent: B329816 (1975-01-01), Cook
patent: 2624514 (1953-01-01), Wilhousky
patent: 2857624 (1958-10-01), Hanzel et al.
patent: 3140279 (1964-07-01), Gregorian et al.
patent: 4028448 (1977-06-01), Hashimoto et al.

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