Process for the production of polyesterpolycarbonate

Details Process for the production of polyesterpolycarbonate Process for the production of polyesterpolycarbonate

1982-09-14

1984-01-31

Lee, Lester L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525448, 528125, 528126, 528128, 528173, 528176, 528190, 528191, 528192, 528193, 528194, C08G 6364

Patent

active

044290837

ABSTRACT:
A process for the production of polyesterpolycarbonate is described, which comprises reacting an aqueous alkaline solution of dihydric phenol and an organic solvent solution of acid chloride to prepare polyester oligomer, mixing chloroformate group-containing polycarbonate oligomer with the polyester oligomer, and polycondensing the polyester oligomer and the polycarbonate oligomer to form the polyesterpolycarbonate.

REFERENCES:
patent: 3030331 (1962-04-01), Goldberg
patent: 4107143 (1978-08-01), Inata et al.
patent: 4278787 (1981-07-01), Swart et al.
patent: 4350805 (1982-09-01), Jackson, Jr. et al.
patent: 4355150 (1982-10-01), Bosnyak et al.
patent: 4369303 (1983-01-01), Mori et al.

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