Manufacture of polyethers from bisphenols and dihalides in the a

Details Manufacture of polyethers from bisphenols and dihalides in the a Manufacture of polyethers from bisphenols and dihalides in the a

1978-10-19

1980-04-29

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528126, 528128, 528174, 528219, C08G 6540

Patent

active

042007275

ABSTRACT:
Polyethers are manufactured by polycondensing about equivalent amounts of a bisphenol and of a dihalogen compound in the presence of an anhydrous alkali metal carbonate, in the absence of a solvent or diluent. The polyethers may be used for the manufacture of moldings, fibers, films, adhesives and coating compositions.

REFERENCES:
patent: 4105636 (1978-08-01), Taylor

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