Polycarbonate preparation from molten bisphenol-A/water mixture

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528176, 528179, 528182, 528198, 528199, 528371, C08G 6420

Patent

active

052255182

ABSTRACT:
In the interfacial polymerization process for preparing aromatic carbonate polymers by reacting bisphenol-A with a carbonate precursor, the bisphenol-A is introduced to the reaction medium in a liquid form saturated with water.

REFERENCES:
patent: 4810813 (1989-03-01), Kosky et al.

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