Production of poly(trimethylene terephthalate)

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

1996-12-12

1998-06-09

Acquah, Samuel A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

525437, 525444, 528298, 528300, 528302, 528307, 528308, 528503, C08F 600, C08J 300

Patent

active

057631042

ABSTRACT:
Disclosed herein is a novel crystalline form of low molecular weight poly(trimethylene terephthalate). This crystalline form may be produced from molten or glassy low molecular weight poly(trimethylene terephthalate) material by means of rapid heat transfer to or 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
patent: 5540868 (1996-07-01), Stouffer et al.
patent: 5633018 (1997-05-01), Stouffer et al.
H.H. Chuah et al., Corterra Poly, (Trimethylene Terephthalate), A New Performance Carpet Fiber, IFJ, 50-52, Oct. 1995.

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