Method to reduce deposits of terephthalic acid on cooling rolls

Details Method to reduce deposits of terephthalic acid on cooling rolls Method to reduce deposits of terephthalic acid on cooling rolls

1976-10-05

1979-11-20

Woo, Jay H.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

264 39, 264169, 264211, 264216, 264292, 525419, C09D 516, C08G 3910

Patent

active

041751477

ABSTRACT:
Physically blending small amounts of polycarbonate resin into polyethylene terephthalate resin which is to be extruded and cooled to form an unoriented amorphous sheet reduces deposits of terephthalic acid on the cooling rolls during sheet extrusion.

REFERENCES:
patent: 3502757 (1970-03-01), Spencer
patent: 3520959 (1970-07-01), Busby
patent: 3752866 (1973-08-01), Doerr
patent: 3975485 (1976-08-01), Bollen et al.

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