Process for producing fatty acid-terminated polycarbonate resin

Details Process for producing fatty acid-terminated polycarbonate resin Process for producing fatty acid-terminated polycarbonate resin

1988-09-12

1990-07-03

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528199, C08G 6424

Patent

active

049392310

ABSTRACT:
A process for producing a polycarbonate resin having excellent heat stability from a dihydric phenol compound represented by the formula (1) shown below by an interfacial polymerization method wherein fatty acid represented by the formula (2), (3), (4) or (5) shown below is used as a terminator and as a polymerization catalyst, a quaternary ammonium salt is used, and after 5 to 40 minutes from the addition and emulsification of the polymerization catalyst, tertiary amine is added to cause polymerization. ##STR1## wherein all the symbols are the same as defined before.

REFERENCES:
patent: 3173891 (1965-03-01), Fry et al.
patent: 3184431 (1965-05-01), Deanin et al.
patent: 3275601 (1966-09-01), Schnell et al.

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