Method of producing polycarbonate pellets

Details Method of producing polycarbonate pellets Method of producing polycarbonate pellets

1997-01-16

1998-06-09

Stucker, Jeffrey

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

528196, 528198, 528499, 528502, 524151, 524611, 524706, 524742, 2691761, B29C 4778

Patent

active

057628513

ABSTRACT:
A method for producing a polycarbonate pellet which comprises subjecting a melt-extruded polycarbonate to a cooling step and a cutting step, the steps being carried out in either order or simultaneously, and wherein the cooling step is performed by contacting the polycarbonate with a cooling water having an electric conductivity of 1 mS/cm or less as measured at 25.degree. C.

REFERENCES:
patent: 5364926 (1994-11-01), Sakashita et al.
patent: 5502153 (1996-03-01), Sakashita et al.

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