Process for the production of aromatic phosphorus-containing pol

Details Process for the production of aromatic phosphorus-containing pol Process for the production of aromatic phosphorus-containing pol

1993-12-14

1995-01-03

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C08G 7902

Patent

active

053787943

ABSTRACT:
A process for the production of an aromatic phosphorus-containing polymer, comprising (i) reacting phosphorus pentachloride with an aromatic dihydroxy compound and then reacting the reaction product with an aromatic monohydroxy compound, or (ii) allowing phosphorus pentachloride, an aromatic dihydroxy compound and an aromatic monohydroxy compound to react concurrently, to form an intermediate polymer, and then hydrolyzing the intermediate polymer, the above process being capable of giving an aromatic phosphorus-containing polymer in the absence of a catalyst for a short period of time at a relatively low temperature.

REFERENCES:
patent: 2979484 (1961-04-01), Redfarn

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