Polymerization method for preparing non-halogenated aromatic

Details Polymerization method for preparing non-halogenated aromatic Polymerization method for preparing non-halogenated aromatic

1994-08-15

1996-04-09

Seidleck, James J.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528179, 528180, 528181, 528182, C08G 6300

Patent

active

055063306

ABSTRACT:
The present invention relates to a polymerization method for preparing non-halogenated aromatic polyesters by a standard interfacial polymerization except the addition of a phase-transfer catalyst to the organic phase. More specifically, the present invention offers a method for substantially reducing the polymerization time and improving the reaction yield, by introducing a specific phase transfer catalyst, tetrabutyl ammonium bromide, to the organic phase.

REFERENCES:
patent: 4066623 (1978-01-01), Besso et al.
patent: 4426511 (1984-01-01), Asada et al.

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