Paper or cloth for removing formaldehyde and indoor organic volatile matter
A technology for eliminating organic volatiles and formaldehyde, applied in special paper, paper, papermaking, etc., can solve the problems of troublesome operation, influence elimination effect, unsatisfactory effect, etc., and achieve the effect of high utilization rate and easy operation.
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[0013] Paper or cloth of the present invention is to prepare solvent with the following components (percentage by weight) of the following formaldehyde scavenger:
[0014] Amino compounds such as urea 45% Cyanamide compounds such as dicyandiamide 15%
[0015] Carboxymethylcellulose CMC 8.5%
[0016] Nano Titanium Dioxide 1.5% Water 30%
[0017] Then the above solvent is adsorbed on the paper, and it is made to dry.
[0018] The paper or cloth of the present invention eliminates the principle of toxic volatiles such as formaldehyde: the chemical equation of the reaction between the amino compound and formaldehyde is:
[0019]
[0020] The chemical equation for the reaction of cyanamide compounds with formaldehyde:
[0021]
[0022] TIO 2 Mechanism of photocatalytic action:
[0023] When photons with a wavelength less than 387.5nm irradiate the TIO 2 After the surface, the electrons in the valence band will be excited to the conduction band, thereby generating hi...
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