Preparation method of titanium dioxide supported oxidized cellulose
A technology of oxidizing cellulose and titanium dioxide, which is applied in the direction of catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of unfavorable reutilization rate, not seen, easy to lose, etc., and achieve good flatness , Uniform distribution and little agglomeration
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[0013] The preparation method of oxidized cellulose loaded titanium dioxide of the present invention includes the following steps: (1) Place 0.2920 g of cellulose material in 50 mL of sodium periodate solution, ultrasound at room temperature for 0 to 30 minutes, and then stand in a constant temperature water bath 3~7h, then let stand at 60℃ for 30~60min, put in glycerol solution after washing, and get cellulose material containing aldehyde group after washing; (2) place it in 40℃ deionized water mixed solution Within 10~60 minutes, the carboxyl cellulose material is obtained after thorough washing, and this material is put into the titanium dioxide suspension to obtain the cellulose material loaded with titanium dioxide; (3) After thorough washing, immerse in sodium copper chlorophyll solution and let stand 2 ~12h, fully wash and dry naturally at room temperature to get the material.
[0014] In the preparation method of oxidized cellulose-supported titanium dioxide of the presen...
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