Method of regulating the polymerization of cyclic polycarbonate

Details Method of regulating the polymerization of cyclic polycarbonate Method of regulating the polymerization of cyclic polycarbonate

1988-02-22

1989-07-18

Anderson, Harold D.

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

Synthetic resins

From reactant having a halogen atom or oxygen single bonded...

528196, 528370, 528377, 528378, 528379, C08G 6362

Patent

active

048495026

ABSTRACT:
A phenol or bisphenol has been found effective as a chain transfer agent in the polymerization of cyclic carbonates to make hydroxyl-terminated polycarbonate oligomer of varying molecular weight.

REFERENCES:
patent: 3386954 (1968-06-01), Schnell et al.
patent: 4736013 (1988-04-01), Hathaway et al.

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