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New Research: Synthesis and Characterization of P-PPD-Ph-Conjugated Flame Retardant: The conjugated flame retardants have rarely been studied. A conjugate flame-retardant 4, 4'-{1″, 4″-phenylene-bis [amino- (10‴-oxy10‴-hydro-9‴-hydrogen-… https://t.co/SYvO