Moisture-absorbing smell-absorbing composite material, and preparation method thereof
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A compound and substance technology, applied in separation methods, chemical instruments and methods, and other chemical processes, can solve the problems of mold growth in rooms, shortened service life, and odor of vehicle interiors, and achieves convenient operation, low preparation cost, Strong ability to absorb moisture and formaldehyde
Active Publication Date: 2018-03-13
WUHAN LICHENG BIOTECH
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Problems solved by technology
[0005] Although water has a certain ability to absorb formaldehyde, when the ambient humidity is high, the room is often damp and mold will grow, furniture will be deformed due to damp, vehicle interiors will be moldy and cause odors, and vehicle parts will shorten their service life after being damp.
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Embodiment 1
[0036] A moisture-absorbing and odor-absorbing compound prepared from the following raw materials in mass percent:
[0037]
[0038] The preparation method of above-mentioned hygroscopic and odor-absorbing compound, its steps are:
[0039] Mix wood activated carbon, konjac flour grafted sodium acrylate, zinc chloride and lignocellulose in a stirring mixer, then transfer to an extruder for extruder, at 160 ° C, 5 × 10 5 It is puffed under pa, then pulverized by a pulverizer, extruded and granulated by a sieve (20-100 mesh) to a desired size, finally sieved (the average particle size of the particles is 20-100 mesh), and packaged.
Embodiment 2
[0041] A moisture-absorbing and odor-absorbing compound prepared from the following raw materials in mass percent:
[0042]
[0043] The preparation method of above-mentioned hygroscopic and odor-absorbing compound, its steps are:
[0044] Add binding agent in shell activated carbon, as water, ethanol or the ethanol solution of the povidone of 3%-5% by mass percentage, the quality that binding agent adds is the 5% of quality of konjac flour grafted sodium acrylate, stirs evenly , to obtain wet shell activated carbon, and then spray konjac powder grafted with sodium acrylate, zinc sulfate and corn starch dextrin onto the surface of the wet shell activated carbon, then dry and solidify in a tunnel dryer, and dry at 80°C for 0.5h , finally sieved (the average particle size of the particles is 20-100 mesh), and packaged.
Embodiment 3
[0046] A moisture-absorbing and odor-absorbing compound prepared from the following raw materials in mass percent:
[0047]
[0048] The preparation method of above-mentioned hygroscopic and odor-absorbing compound, its steps are:
[0049] Wooden activated carbon, sodium polyacrylate, polyethylene glycol and tapioca starch are mixed uniformly in a mixer, then pulverized, finally sieved (the average particle size of the particles is 20-100 mesh), and packaged.
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Abstract
The invention discloses a moisture-absorbing smell-absorbing composite material, and a preparation method thereof. The moisture-absorbing smell-absorbing composite material is prepared taking a porousadsorption material, a moisture-absorbing material, a deliquescent matter, and a plant polysaccharide as raw materials. The preparation method comprises following steps: the porous adsorption material, the moisture-absorbing material, the deliquescent matter, and the plant polysaccharide are uniformly mixed, are subjected to puffing under a certain pressure at a certain temperature, and then aresubjected to smashing, granulation, screening, and packaging; or an adhesive is added into the porous adsorption material for uniform stirring so as to obtain a wet porous adsorption material, in a fluidized bed, the moisture-absorbing material, the deliquescent matter, and the plant polysaccharide are sprayed onto the surface of the wet porous adsorption material, and then drying curing, smashing, screening, and packaging are carried out; or the porous adsorption material, the moisture-absorbing material, the deliquescent matter, and the plant polysaccharide are mixed, stirred to be uniform,and are subjected to smashing, screening, and packaging. The obtained moisture-absorbing smell-absorbing composite material is nontoxic, is excellent in moisture adsorption capacity, is capable of absorbing smell effectively; the preparation method is simple; operation is convenient; and production cost is low.
Description
technical field [0001] The invention relates to the technical field of moisture-absorbing and odor-absorbing materials, and more specifically relates to a moisture-absorbing and odor-absorbing compound and a preparation method thereof. The compound can be used for moisture-proofing of rooms, furniture or vehicles, while absorbing formaldehyde, benzene series and other VOC substances. Background technique [0002] Most of the existing air purification materials are activated carbon or bamboo charcoal, which have a certain adsorption capacity for organic gases. Taking formaldehyde as an example, the process of adsorbing formaldehyde by activated carbon is a dynamic process. When the number of formaldehyde molecules adsorbed per unit time is equal to the number of formaldehyde molecules released, the adsorption reaches a dynamic equilibrium. At 25°C, every 100g of activated carbon can absorb 910mg of formaldehyde. The disadvantage is that when the concentration of formaldehyd...
Claims
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Application Information
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