Method for preparing rare-earth-containing high polymer nanometer composite film
A nanocomposite and polymer technology, applied in chemical instruments and methods, luminescent materials, etc., can solve problems such as phase separation, poor dispersion, and limited application range, and achieve excellent optical properties, uniform and stable dispersion, and broad application prospects.
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Embodiment 1
[0028] (1) Prepare PAA solution with pH=6 and concentration of 0.20mol / L: weigh 2.057g (Mw=15000, 35%) polyacrylic acid sodium salt solution, dissolve it in water, adjust the pH value to 6.0, and then Adding an aqueous solution with pH=6.0 to calibrate to 50 mL can obtain a PAA solution with pH=6 and a concentration of 0.20 mol / L.
[0029] (2) configuration pH=6, concentration is the CeCl3 solution of 0.02mol / L: Weigh 1.8629g (Mw=372.58, 35%) cerium chloride heptahydrate powder, after dissolving it in water, adjust the pH value to 6.0, Then add an aqueous solution of pH=6.0 to calibrate to 50 mL to obtain a CeCl3 solution with pH=6 and a concentration of 0.20 mol / L.
[0030] (3) Configure a PDDA solution with a pH of 6 and a concentration of 0.01mol / L: weigh 0.40375g of polydiallyldimethylammonium chloride solution (Mw=(1-2)×105KDa, 20%), and After it is dissolved in water, adjust the pH value to 6.0, then add an aqueous solution with pH=6.0 to calibrate to 50mL, ...
Embodiment 2
[0043] (1) Prepare PAA solution with pH=6 and concentration of 0.20mol / L: weigh 2.057g (Mw=15000, 35%) polyacrylic acid sodium salt solution, dissolve it in water, adjust the pH value to 6.0, and then Adding an aqueous solution with pH=6.0 to calibrate to 50 mL can obtain a PAA solution with pH=6 and a concentration of 0.20 mol / L.
[0044] (2) configuration pH=6, concentration is the CeCl3 solution of 0.02mol / L: Weigh 1.8629g (Mw=372.58, 35%) cerium chloride heptahydrate powder, after dissolving it in water, adjust the pH value to 6.0, Then add an aqueous solution of pH=6.0 to calibrate to 50 mL to obtain a CeCl3 solution with pH=6 and a concentration of 0.20 mol / L.
[0045] (3) Configure a PDDA solution with a pH of 6 and a concentration of 0.01mol / L: weigh 0.40375g of polydiallyldimethylammonium chloride solution (Mw=(1-2)×105KDa, 20%), and After it is dissolved in water, adjust the pH value to 6.0, then add an aqueous solution with pH=6.0 to calibrate to 50mL, ...
Embodiment 3
[0049] (1) Prepare PAA solution with pH=6 and concentration of 0.20mol / L: weigh 2.057g (Mw=15000, 35%) polyacrylic acid sodium salt solution, dissolve it in water, adjust the pH value to 6.0, and then Adding an aqueous solution with pH=6.0 to calibrate to 50 mL can obtain a PAA solution with pH=6 and a concentration of 0.20 mol / L.
[0050] (2) configuration pH=6, concentration is the CeCl3 solution of 0.02mol / L: Weigh 1.8629g (Mw=372.58, 35%) cerium chloride heptahydrate powder, after dissolving it in water, adjust the pH value to 6.0, Then add an aqueous solution of pH=6.0 to calibrate to 50 mL to obtain a CeCl3 solution with pH=6 and a concentration of 0.20 mol / L.
[0051] (3) Configure a PDDA solution with a pH of 6 and a concentration of 0.05mol / L: weigh 2.0188g of polydiallyldimethylammonium chloride solution (Mw=(1-2)×105KDa, 20%), and After it is dissolved in water, adjust the pH value to 6.0, and then add an aqueous solution with pH=6.0 to calibrate to 50m...
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