Boron- and nitrogen-containing compositions and their use in pol

Details Boron- and nitrogen-containing compositions and their use in pol Boron- and nitrogen-containing compositions and their use in pol

1983-07-05

1986-05-20

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528179, 528180, 528181, 528182, 528196, 528198, 528200, C08G 6362, C08G 6364

Patent

active

045902577

ABSTRACT:
Boron- and nitrogen-containing compositions prepared by the reaction of a quaternary ammonium hydroxide with a trialkyl or triaryl borate are useful for the preparation of the active catalyst species in the transesterification of reaction for the production of polycarbonates or polyester-polycarbonates from diaryl carbonates (optionally in admixture with diaryl dicarboxylates) and dihydroxyaromatic compounds.

REFERENCES:
patent: 3153008 (1964-10-01), Fox
patent: 4330664 (1982-05-01), Brunelle
patent: 4345062 (1982-08-01), Brunelle
patent: 4529529 (1985-07-01), Horodysky
Morrison et al., Organic Chemistry, Third Edition, pp. 342, 360, 361 (Boston: Allyn & Bacon, Inc., 1973).

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