Process for the extrusion of compositions based on alpha-olefin

Details Process for the extrusion of compositions based on alpha-olefin Process for the extrusion of compositions based on alpha-olefin

1978-06-05

1980-02-26

Thurlow, Jeffrey R.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Forming continuous work followed by cutting

260 4246, 260 458R, 264178F, 264178R, 264211, 525 2, B29D 720

Patent

active

041906241

ABSTRACT:
Process for the extrusion, followed by cooling with water, of compositions based on alpha-olefin polymers. The composition being extruded comprises a phenolic anti-oxidizing agent, an organic phosphite, and a carbonate of an alkaline-earth metal. The process permits fabricating films, filaments and tubes.

REFERENCES:
patent: 2941254 (1960-06-01), Swerlick
patent: 2985617 (1961-05-01), Salyer et al.
patent: 2991264 (1961-07-01), Monroe, Jr. et al.
patent: 3039993 (1962-06-01), Friedman
patent: 3580735 (1971-05-01), Shimodoi et al.
patent: 3922249 (1975-11-01), Mills

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