9results about How to "Good formaldehyde removal effect" patented technology

The present invention belongs to the technical field of coatings, and specifically relates to a sand-walled architectural coating and a preparation method thereof. The sand-walled architectural coating is composed of the following components by mass: 35-50 parts of polyurethane emulsion, 5-8 parts of ZnO-MgO catalyst, 8-12 parts of TCA hybrid, 5-8 parts of diallylamine, 10-15 parts of calcined kaolin, 5-10 parts of crop carbonization, 3-5 parts of coating additives, and 15-20 parts of water; wherein the TCA hybrid is mainly prepared by reacting cardanol glycidyl ether, aminopropyl triethoxysilane and tannic acid. The preparation method of the sand-walled architectural coating of the present invention is simple, and the prepared sand-walled architectural coating has excellent formaldehyde removal performance and good water resistance and stain resistance.

The present invention discloses a filter material and a filter assembly. The filter material has different functional layers, all of which include a chemical filtration functional layer and a protective functional layer, the chemical filtration functional layer and the protective functional layer overlap front and back along the filtration direction; the chemical filtration functional layer includes a chemical filtration layer for filtering at least one volatile organic compound; the protective functional layer has a porous structure and a pore size smaller than the particle size of the catalyst in the chemical filtration layer. By setting the protective functional layer, the catalyst falling off from the chemical filtration layer can be intercepted to extend the service life of the catalyst; it has been verified that the service life of the chemical filtration layer can be extended by 30%; the protective functional layer can also support the functional layer in the filter material located before the protective functional layer in the direction opposite to the filtration direction.

The present invention relates to a MDF formaldehyde-free powder coating, which comprises the following components by weight: 50-70 parts of epoxy resin, 50-70 parts of polyester resin, 3-6 parts of curing accelerator, 2-10 parts of silicon-titanium self-cleaning agent, 10-40 parts of barium sulfate, 1-4 parts of leveling agent, and 1-4 parts of benzoin. The present invention also discloses a silicon-titanium self-cleaning agent and a preparation method for the MDF formaldehyde-free powder coating. The MDF formaldehyde-free powder coating disclosed by the present invention has low curing temperature, excellent formaldehyde removal effect, and also has a lasting formaldehyde removal effect.

The invention discloses a mildew-proof diatomite absorbent pad and a preparation method thereof, and relates to the technical field of absorbent pads and preparation methods thereof. The mildew-proof diatomite absorbent pad comprises the following raw materials: 15-20% of quartz, 50-65% of diatomite, 5-10% of paper pulp fiber, 1-3% of environment-friendly color paste and 7-19% of limestone. The preparation process comprises the following steps: adding water into the raw materials, grinding, mixing, stirring, vibrating by a vibrating screen, performing vacuum dehydration, compressing and dehydrating, cutting, performing high-temperature and high-pressure treatment, drying, sanding, cutting, washing a plate with a mildew preventive, drying, engraving, and performing color printing to obtain a finished product. By optimizing the raw materials, the proportion and the preparation method of the water-absorbing pad and optimizing the existing mildew preventive, the problems that the existing diatomite water-absorbing pad is high in preparation cost, insufficient in flexibility and not quick to dry, and the appearance is easily influenced by using a silver-containing mildew preventive are solved; the diatomite absorbent pad prepared by the method has the advantages of quick drying, high strength, hardness but flexibility, good formaldehyde removal effect, high stability and good mildew-proof and sterilizing effects.

The invention relates to composite cloth for a soft roof of an open tent automobile and a preparation method of the composite cloth, and is characterized in that the composite cloth comprises an outer decorative surface, a bonding layer, a middle layer, a bonding layer and an inner decorative surface in sequence from outside to inside, the middle layer is a thermoplastic elastomer, and the thermoplastic elastomer is prepared from the following raw materials in parts by mass: 40-60 parts of thermoplastic resin, 1-5 parts of a curing agent, 1-5 parts of a curing agent and 1-5 parts of a curing agent. The invention relates to a flame-retardant plastic, which comprises the following components in parts by weight: 25-50 parts of elastomer, 0.5-2 parts of foaming agent, 8-25 parts of flame-retardant master batch, 1-5 parts of antibacterial powder, 1-3 parts of coupling agent and 0.5-1 part of cross-linking agent. Wherein the antibacterial powder is a compound of far infrared ceramic powder and silver ion antibacterial powder; the flame-retardant master batch is a compound of a phosphorus-nitrogen composite halogen-free flame retardant, a Jinshi lanthanum rare earth flame-retardant synergist and microcapsule-coated red phosphorus. The composite cloth for the soft roof of the open tent automobile is resistant to bending and aging and has excellent flame retardance, mildew resistance and formaldehyde removal performance.

The invention belongs to the field of modified activated carbon, and particularly relates to a design method of environment-friendly activated carbon modified amine impregnation liquid for efficiently removing formaldehyde. The design method comprises the following steps: constructing a group library of an impregnation liquid molecular structure; constructing a molecular structure and a property constraint condition of the steeping liquor molecular structure model; constructing a relational expression of the equilibrium adsorption capacity of the impregnation liquid molecules adsorbed on the activated carbon and a relational expression of the theoretical formaldehyde removal capacity of the modified activated carbon obtained after the impregnation liquid molecules are modified; gAMS software is adopted as analog calculation and impregnation liquid molecules are determined. According to the method disclosed by the invention, when the molecular structure and the property constraint condition are designed, the safety and the environmental performance of molecules of the impregnation liquid are considered, so that the obtained impregnation liquid has good safety and environmental properties, the prepared modified activated carbon has excellent formaldehyde removal performance, and the workload of screening the impregnation liquid in a traditional test is reduced.

The invention relates to the technical field of anti-fouling coatings, in particular to an antibacterial, antiviral and anti-fouling coating for removing formaldehyde and peculiar smell and a preparation method of the antibacterial, antiviral and anti-fouling coating. A conventional anti-fouling coating does not have the effects of resisting bacteria and viruses and removing formaldehyde and peculiar smell. Aiming at the technical problems, the invention provides the antibacterial, antiviral and anti-fouling coating for removing formaldehyde and peculiar smell, a functional additive in the formula of the antibacterial, antiviral and anti-fouling coating is an anti-mildew and antibacterial agent KP-J150, the anti-mildew and antibacterial agent KP-J150 is added into a coating system in a manner of prefabricated slurry, and the obtained coating has relatively good antibacterial, antiviral and formaldehyde-removing and peculiar smell-removing effects; compared with KF136, the antibacterial agent LICHUWEI # imgabs0 # LICHUWEI # imgabs1 # and the like has obvious advantages when being added into a coating system obtained by the preparation method disclosed by the invention.

This invention relates to the field of filter material technology and discloses a graphene filter material and its preparation method. The preparation method of the graphene filter material includes the following steps: (1) mixing graphene and a polymer carrier to obtain a mixture; (2) melting and extruding the mixture to obtain a melt, spinning the melt to obtain matrix fibers, and simultaneously intercalating graphene fibers into the matrix fibers to obtain the graphene filter material; wherein the intercalation speed is 2-50 m / s and the intercalation distance is 5-20 cm. This invention achieves uniform dispersion and embedding of graphene fibers in the matrix fibers by precisely controlling the intercalation speed and distance, avoiding local aggregation of graphene fibers, thereby increasing the graphene content in the filter product. The prepared graphene filter material has excellent filtration performance as well as antibacterial, antiviral and formaldehyde removal properties.

The invention belongs to the technical field of coatings, and particularly relates to a sand textured building coating and a preparation method thereof. The sand textured building coating is prepared from the following components in parts by mass: 35 to 50 parts of polyurethane emulsion, 5 to 8 parts of ZnO-MgO catalyst, 8 to 12 parts of TCA hybrid, 5 to 8 parts of diallylamine, 10 to 15 parts of calcined kaolin, 5 to 10 parts of crop carbide, 3 to 5 parts of coating additive and 15 to 20 parts of water. Wherein the TCA hybrid is mainly prepared from anacardol glycidyl ether, amino propyl triethoxy silane and tannic acid through a reaction. The preparation method of the sand-textured building coating is simple, and the prepared sand-textured building coating has excellent formaldehyde removal performance and good water resistance and stain resistance.