Production of poly(trimethylene terephthalate)

Details Production of poly(trimethylene terephthalate) Production of poly(trimethylene terephthalate)

1998-06-22

1999-11-23

Acquah, Sam A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528298, 528300, 528301, 528302, 528307, 528308, 5283086, 525437, 525444, C08G 6302

Patent

active

059902655

ABSTRACT:
Disclosed herein is a novel physical form of low molecular weight poly(trimethylene terephthalate). This form may be produced from molten low molecular weight poly(trimethylene terephthalate) material by means of rapid heat transfer from the material. The poly(trimethylene terephthalate) composition is suitable for use as a starting material for solid-state polymerization in order to produce polymers of higher molecular weight.

REFERENCES:
patent: 4165420 (1979-08-01), Rinehart et al.
patent: 5540868 (1996-07-01), Stouffer et al.
patent: 5633018 (1997-05-01), Stouffer et al.
patent: 5763104 (1998-06-01), Stouffer et al.

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