Removal of salt from polyphosphazene

Details Removal of salt from polyphosphazene Removal of salt from polyphosphazene

1985-03-29

1986-03-18

Doll, John

Chemistry of inorganic compounds

Phosphorus or compound thereof

Halogen containing

C01B 2510

Patent

active

045768064

ABSTRACT:
Residual alkali metal salt (e.g. NaCl) is removed from an alkali metal alkoxide and/or aryloxide-polyphosphonitrilic halide reaction product by neutralizing the reaction solution with acid and water extracting the salt using a lower water-soluble alcohol (isopropanol) to effect rapid phase separation.

REFERENCES:
patent: 4157425 (1979-06-01), Dieck et al.

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