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US 11,279,778 B2Granted
Polydifluoroacetylene, method for producing polydifluoroacetylene, precursor polymer, molded article and powder
AssigneeDaikin Industries, Ltd.
InventorsYuki Yotsumoto, Ryouichi Yano, Masahiro Tomita
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Abstract
A polydifluoroacetylene containing a C═C bond and a C—F bond, the polydifluoroacetylene having a solubility of 0.2 g/10 g or less in dimethylformamide (DMF) at 25° C. Also disclosed is a method for producing the polydifluoroacetylene, a precursor polymer for providing the polydifluoroacetylene, a molded article including the polydifluoroacetylene and a polydifluoroacetylene powder.
Claims7
A polydifluoroacetylene comprising a C═C bond and a C—F bond,
- the polydifluoroacetylene having a soluble amount of 0.2 g/10 g or less in dimethylformamide (DMF) at 25° C. and a degree of fluorination of 0.95 or higher as determined by ATR analysis.
Dependencies are inferred from the claim text.