Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1979-04-16
1980-10-21
Niebling, John F.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
560 8, 560100, 560112, 560189, 560198, 560199, 560224, 560263, C09F 508, C11C 300, C07C 6702, C07C 6976
Patent
active
042293626
ABSTRACT:
A process for esterifying terminal hydroxyl groups of a polyoxyalkylene compound comprising one or more ring opened tert.-butyl or tert.-amyl glycidyl ether groups, without removing a significant portion of these tert.-alkyl ether groups. The process is conducted by contacting the polyoxyalkylene compound with an organic, carboxylic acid or anhydride in the liquid phase, in the presence of a small but catalytically effective amount of a Lewis base.
REFERENCES:
patent: 2929835 (1960-03-01), Hayes
patent: 3067222 (1962-12-01), Anderson
patent: 3414609 (1968-12-01), Hagemeyer
patent: 3884946 (1975-05-01), Sung et al.
patent: 4092339 (1978-05-01), Stevens et al.
Deline Douglas N.
Fifield David H.
Niebling John F.
The Dow Chemical Company
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