Process for reducing unsaturation on polyols

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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518620, C07C 4134, C07C 4138

Patent

active

052889211

ABSTRACT:
The level of unsaturation in certain polyols can be reduced by extraction with certain low molecular weight polyols like ethylene glycol.

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Hopper, J., Parrinello, G., Parfondry, A., Kroesen, K., Recent Developments in The Chemical Recycling of Flexible Polyurethanes, ICI Polyurethanes, Utech 92 Conference, 1992.

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