Anionic functionalized fluorine-containing polymer and preparation method thereof
2015
The invention discloses a nonionic functional fluorine-containing polymer and a preparation method thereof. The functional fluorine-containing polymer is a nonionic functional fluorine-containing polymer prepared by the steps of: taking a fluorine-containing monomer, a graftable active monomer and a hydrophilic functional monomer as copolymerization monomers, firstly polymerizing, in a water phase dispersion system, the copolymerization monomers into an active precursor polymer of which the main chain contains an atom transfer free radical polymerization active side group, then initiating a nonionic functional monomer by using the active side group on a solid liquid interface to perform interface atom transfer free radical polymerization, and performing polymerization to form the nonionic functional fluorine-containing polymer containing a nonionic side chain. The nonionic functional fluorine-containing polymer prepared by the method disclosed by the invention has a high functional monomer content and good hydrophilicity, can be applied separately to preparation or together with other resin to blending preparation of a high-hydrophilicity separation membrane, a battery diaphragm, a biological medical material, a coating, a bonding material and a flexible easy-printing packing material, and in comparison with an existing material, is good in hydrophilicity, low in cost, and good in application prospect.
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