Process for producing polyester composition

Details Process for producing polyester composition Process for producing polyester composition

1997-08-29

1998-11-10

Acquah, Samuel A.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

525437, 524401, 524777, 26421112, 264239, 264299, B29C 4738

Patent

active

058339051

ABSTRACT:
The present invention relates to a process for producing a polyester sheet comprising melt-extruding a polyester resin by using a vent-type twin-screw extruder in sheet-wise onto the surface of a rotating chilling drum under the condition satisfying the following formula (1):

REFERENCES:
patent: 4699744 (1987-10-01), Nakadate et al.
patent: 4877819 (1989-10-01), Kiyohara et al.
patent: 5082715 (1992-01-01), Lasch et al.
patent: 5474844 (1995-12-01), Sato et al.

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