Preparation method of polyoxometallate-polymer hybridized segmented copolymer nanotube
A polyoxometalate and block copolymer technology is applied in the field of preparation of polyoxometalate-polymer hybrid block copolymer nanotubes, which can solve the problems of degradation, acidity sensitivity and the like, and achieve reproducibility. The effect of good performance, low cost and easy operation
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[0021] 1) Preparation of precursor solution
[0022] Using the aforementioned patented technology to prepare molecular weight It is a polyoxometalate-polymer hybrid block copolymer of 119,000g / mol, wherein the polyoxometalate is an organic ammonium salt of a Dawson structure phosphotungstovanadium polyoxometalate [(n-C 4 h 9 )N] 5 [H 4 P 2 V 3 W 15 o 62 ], the small molecule initiator is hydroxyethyl bromoisobutyrate, the connecting molecule is trihydroxymethylaminomethane, atom transfer radical polymerization is adopted, the monomer is styrene, and the polymer is polystyrene.
[0023] Polyoxometalate-polymer hybrid block copolymer is used as nanotube substrate material, and N,N-dimethylformamide is used as solvent to prepare polyoxometalate-polymer hybrid block copolymer Add 001×7 type strongly acidic styrene-based cation-exchange resin to a solution with a ratio of 2.5 mg / mL to N,N-dimethylformamide, which accounts for 30% of the volume of the solution, and the solu...
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