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US4656246A Polyetheroxy-substituted polyphosphazene purification 失效
聚乙酰取代的聚磷腈净化

Polyetheroxy-substituted polyphosphazene purification
摘要:
Polyetheroxy-substituted polyphosphazenes useful in making solid electrolytes are purified by dissolving the impure polyphosphazene in water at a low temperature (e.g. below 40.degree. C.) and heating the water solution to a temperature high enough to cause the purified polyphosphazene to precipitate (e.g. above 50.degree. C.).
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