Synthesis of tetrafunctional polyethers and compositions formed

Details Synthesis of tetrafunctional polyethers and compositions formed Synthesis of tetrafunctional polyethers and compositions formed

1989-03-14

1992-03-24

Brust, Joseph P.

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

Organic compounds

Azides

149 196, 525410, 528408, 528417, 558447, 558450, 558483, 560182, 560184, 560186, 560252, 562583, 562586, 562587, 564109, 564505, 568614, 568615, 568620, C07C24704, C07C25502, C07C 4310, C07C 4312

Patent

active

050990420

ABSTRACT:
Polymers are produced from 4 and 5 member cyclic ethers, which polymers have hydroxyl functionalities of 4. The cyclic ethers are polymerized with an acid catalyst and a tetraol initiator having the general formula: ##STR1##

REFERENCES:
patent: 4393199 (1983-07-01), Manser
patent: 4405762 (1983-09-01), Earl et al.
patent: 4483978 (1984-11-01), Manser
patent: 4707540 (1987-11-01), Manser et al.

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