Modifying agent for efficiently removing free formaldehyde and preparation method thereof
A technology for eliminating free and modifiers, applied in non-polymer adhesive additives, aldehyde/ketone condensation polymer adhesives, adhesives, etc., can solve problems such as high cost, secondary pollution, and impact on popularization and application. Achieve the effects of low cost, no secondary pollution, simple preparation process and use method
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Embodiment 1
[0018] Weigh the following raw materials according to the following weights: 60 kg of zeolite powder, 30 kg of magnesium-calcium powder, 100 kg of nano-silica (the aforementioned three inorganic materials have been surface-modified), 260 kg of sodium sulfite, 210 kg of ammonium sulfate, and 70 kg of acid dihydrazide, 6.7 kg of copper hydroxide, 290 kg of oxidized modified starch enhancer, and 100 kg of aminoacetic acid, add the above raw materials into the twin-screw conical mixer in turn, start the mixer to stir, and continue to Stir until it is completely dispersed and mixed evenly, and then unload and seal the package to obtain the modifier.
Embodiment 2
[0020] Weigh the following raw materials according to the following weights: 60 kg of zeolite powder, 50 kg of magnesium-calcium powder, 80 kg of nano-silica (the aforementioned three inorganic materials have been surface-modified), 300 kg of sodium sulfite, 170 kg of ammonium sulfate, and 60 kg of acid dihydrazide, 5 kg of copper hydroxide, 320 kg of oxidized modified starch enhancer, and 80 kg of aminoacetic acid, add the above raw materials into the twin-screw conical mixer in turn, start the mixer to stir, and continue to Stir until it is completely dispersed and mixed evenly, and then unload and seal the package to obtain the modifier.
Embodiment 3
[0022] Weigh the following raw materials according to the following weights: 50 kg of zeolite powder, 40 kg of magnesium-calcium powder, 90 kg of nano-silica (the aforementioned three inorganic materials have been surface-modified), 270 kg of sodium sulfite, 200 kg of ammonium sulfate, and 80 kg of acid dihydrazide, 10 kg of copper hydroxide, 300 kg of oxidized modified starch enhancer, and 90 kg of aminoacetic acid, add the above raw materials into the twin-screw conical mixer in turn, start the mixer to stir, and continue to Stir until it is completely dispersed and mixed evenly, and then unload and seal the package to obtain the modifier.
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