Method of catalytically preparing tetrahydrofuran/alkylene oxide

Details Method of catalytically preparing tetrahydrofuran/alkylene oxide Method of catalytically preparing tetrahydrofuran/alkylene oxide

1979-03-27

1980-10-14

Nielsen, Earl A.

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

528416, 568613, 568617, C08G 6520

Patent

active

042282721

ABSTRACT:
A polymerizate of THF and an alkylene oxide is prepared by catalytic polymerization, using as a catalyst an acid-activated montmorillonite clay having a pore volume of 0.4-0.8 cubic centimeter per gram, a surface area of 220-260 square meters per gram and an average pore diameter of 0.1-0.3 micron.

REFERENCES:
patent: 3201197 (1965-08-01), Showalter
patent: 3321412 (1967-05-01), Naro
patent: 3328467 (1967-06-01), Hamilton
patent: 3412039 (1968-11-01), Miller
patent: 3997563 (1976-12-01), Dale et al.
patent: 4127513 (1978-11-01), Bellis
Sud-Chemie, A.G., Product Bulletin, "K-Catalysts", 17 pp., dated Jul., 1976, Sud-Chemie, A.G., Munich, Germany.

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