Reclamation of scrap vinylidene chloride polymer coated film

Details Reclamation of scrap vinylidene chloride polymer coated film Reclamation of scrap vinylidene chloride polymer coated film

1985-07-02

1987-02-17

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With subsequent cutting, grooving, breaking, or comminuting

264 37, 264143, 264DIG69, 521 46, 521 465, B29B 1700, B29C 4700, C08J 1104

Patent

active

046438610

ABSTRACT:
Disclosed herein is a process for treating scrap thermoplastic film which has been treated with a saran coating. When the scrap film is cut into a convenient size, it is densified in the presence of a treatment medium which comprises a mixture of lime and an alkyl carboxylate and molded into pellet form. These pellets may then be employed in conventional extrusion and molding equipment without any degradation of the equipment which was normally seen when untreated saran-coated, scrap films were attempted to be molded or extruded.

REFERENCES:
patent: 3562373 (1971-02-01), Logrippo
patent: 4379116 (1983-04-01), Moynihan
The Condensed Chemical Dictionary, 10th Edition, New York, Van Nostrand Reinhold Co., pp. 841 and 909.

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