Process for reacting alkylene oxides with hydroxyl-containing in

Details Process for reacting alkylene oxides with hydroxyl-containing in Process for reacting alkylene oxides with hydroxyl-containing in

1980-11-06

1982-04-20

Nielsen, Earl A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

526213, 528 90, 528 92, 528413, 536111, 536120, 568 23, 568 33, 568 46, 568 48, 568609, 568620, C08G 6526, C08G 6528

Patent

active

043260470

ABSTRACT:
Polyether hydroxyl-containing compounds are prepared by reacting a monoepoxy-containing compound such as propylene oxide with a compound containing one or more OH and/or SH groups such as a low molecular weight adduct of glycerine and propylene oxide in the presence of a solid calcium naphthenate catalyst. The solid form of the catalyst is more efficient than the liquid form.

REFERENCES:
patent: 2341565 (1944-02-01), Lyman et al.
patent: 2923690 (1960-02-01), Bedoit
patent: 2934505 (1960-04-01), Gurgiolo
patent: 3031439 (1962-04-01), Bailey, Jr.
patent: 3285968 (1966-11-01), Bradley
patent: 3755197 (1973-08-01), Hsieh
patent: 4282387 (1981-08-01), Olstowski et al.
J. of Polymer Science, vol. 1, pp. 2015-2019, 1966.

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