Method for the preparation of styrenic fluoropolymers

A method for the preparation of a fluoropolymer by means of emulsion polymerization of areaction mixture in an aqueous medium is disclosed wherein the reaction mixture includes a fluoromonomer having the structure of wherein R1, R2, and R3 are each independently hydrogen atoms, alkyl groups, substit...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, BIN, ZHANG, DONG, GERMROTH, TED C, KUO, THAUMING, JING, JIAO-KAI, MCWILLIAMS, DOUGLAS S, HARRIS, FRANK W, ZHENG, XIAO-LIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A method for the preparation of a fluoropolymer by means of emulsion polymerization of areaction mixture in an aqueous medium is disclosed wherein the reaction mixture includes a fluoromonomer having the structure of wherein R1, R2, and R3 are each independently hydrogen atoms, alkyl groups, substituted alkyl groups, or halogens, wherein at least one of R1, R2, and R3 is a fluorine atom, and wherein R is each independently a substituent on the styrenic ring, n is an integer from 0 to 5 representing the number of the substituents on the styrenic ring; (b) an emulsion stabilizer combination comprising: (i) an anionic surfactant; and, (ii)a cationic surfactant or a non-ionic surfactant; and, (c) a free-radical initiator.