Fluoropolymer-based hybrid organic/inorganic composites
摘要:
A process for manufacturing a fluoropolymer hybrid organic/inorganic composite comprising: (i) mixing at least one fluoropolymer comprising recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] of formula: at least one metal compound [compound (M)] of formula: X4-mAYm, wherein each of R1, R2, R3, equal or different from each other, is independently a hydrogen atom or a C1-C3 hydrocarbon group, and ROH is a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group [polymer (F)]; wherein m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, Y is a hydrolysable group, X is a hydrocarbon group comprising one or more functional groups; (ii) reacting at least a fraction of hydroxyl groups of the ROH groups of said monomer (MA) of said polymer (F) with at least a fraction of said compound (M), to obtain a grafted polymer comprising pendant —Ym-1AX4-m groups, with m, Y, A and X having same meaning as above; and (iii) hydrolyzing and/or polycondensing compound (M) and/or pendant —Ym-1AX4-m groups as above. The invention also disclose the fluoropolymer hybrid organic/inorganic composites obtained therefrom and the method of the use of the same.
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