Polyols

Details Polyols Polyols

1996-11-06

1998-06-16

Siegel, Alan

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

Organic compounds

Oxygen containing

568613, C07C 4311

Patent

active

057673241

ABSTRACT:
Process for reducing the level of unsaturation in a polyether polyol having an oxypropylene content of at least 30% by weight calculated on the total amount of oxyalkylene units in the polyol and having a number average equivalent weight of at least 1000 by subjecting the polyol to ultrafiltration.

REFERENCES:
patent: 3941849 (1976-03-01), Herold
patent: 4355188 (1982-10-01), Herold
patent: 4687851 (1987-08-01), Laughner
patent: 4764567 (1988-08-01), Ott
patent: 4946939 (1990-08-01), Murphy
patent: 5185420 (1993-02-01), Smith

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