Polymerization of tetrahydrofuran using a fluorinated acidic cat

Details Polymerization of tetrahydrofuran using a fluorinated acidic cat Polymerization of tetrahydrofuran using a fluorinated acidic cat

1991-03-27

1992-07-14

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560198, 560204, 568617, C07C 6726

Patent

active

051304708

ABSTRACT:
A process for polymerizing tetrahydrofuran using a fluorinated resin containing sulfonic acid groups a trifluoromethane sulfonic acid as catalyst and a mixture of maleic acid and maleic anhydride as weight control agent. The product has the formula ##STR1## which can be hydrogenated to produce polytetramethylene ether glycol. The preferred molecular weight range of the polytetramethylene ether glycol is 600 to 4,000.

REFERENCES:
patent: 4259531 (1981-03-01), Huchler et al.

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