Preparation of polycaprolactone

Details Preparation of polycaprolactone Preparation of polycaprolactone

1983-05-31

1984-08-07

Nielsen, Earl A.

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

Synthetic resins

From carboxylic acid or derivative thereof

528355, 528357, 560185, 560189, G08G 6310

Patent

active

044645260

ABSTRACT:
Polycaprolactone is prepared by polymerization of .epsilon.-caprolactone by a process wherein a mixture of .epsilon.-caprolactone with a monohydric or polyhydric alcohol is passed, at from 50.degree. to 160.degree. C., over a fixed-bed catalyst comprising essentially anhydrous bleaching earth in the form of moldings.

REFERENCES:
patent: 3021311 (1962-02-01), Cox et al.

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