Method for the preparation of methyl ethers of polyether polyols

Details Method for the preparation of methyl ethers of polyether polyols Method for the preparation of methyl ethers of polyether polyols

1989-11-08

1991-02-19

Mars, Howard T.

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

Organic compounds

Oxygen containing

568619, 568616, 568609, 568608, 568606, 568613, C07C 4101

Patent

active

049946269

ABSTRACT:
A process for preparing an etherified polyoxyalkylene derivative of the formula ##STR1## wherein R.sup.1 and R.sup.4 are identical or different and are each independently C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.6 -C.sub.20 aryl, C.sub.6 -C.sub.20 alkyl aryl, C.sub.6 -C.sub.20 cycloalkyl, and mixtures thereof, R.sup.2 and R.sup.3 are identical or different and independent of each other are H, CH.sub.3, CH.sub.3 CH.sub.2, and mixtures thereof, m, m' and n are identical or different and are each greater than or equal to zero, with the proviso that m+m'+n is from 3 to 300; by reacting a polyoxyalkylene compound of the formula.

REFERENCES:
patent: 4922029 (1990-05-01), Birnbach et al.

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