Preparation method of colour development methyl aldehyde adsorption material
A formaldehyde adsorption and formaldehyde technology, applied in chemical instruments and methods, analysis by making materials undergo chemical reactions, material analysis by observing the impact on chemical indicators, etc., can solve the limited effect of removing formaldehyde and secondary pollution and other issues, to achieve the effect of safety and environmental protection, simple color change
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[0009] The present invention will be further described below in conjunction with embodiment. However, the following examples are not intended to limit the present invention.
[0010] 25ml of polyethylene polyamine polymer with a molecular weight of 8000 and a concentration of 30% was fully mixed with 0.5ml of polyethylene glycol, diluted with 20ml of deionized water to prepare a formaldehyde reactant, and then added with 20mg of β-naphthol indicator and mixed evenly. Spray the mixed liquid evenly on the surface of a pleated paper filter of 25mm×40mm, and vacuum-dry it at 30°C to make a color-developing formaldehyde adsorption filter, which can be used as an air purifier component.
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