79 results about "Milk paint" patented technology

The invention relates to the technical field of intelligent manufacturing and industrial digital twinning, in particular to a latex paint packaging full-process digital twinning method and system. The method comprises the following steps: collecting multi-source data in real time through a sensor network, and preprocessing to form a standard data stream; a coupled digital twinborn model fusing material characteristics and process parameters is constructed, and real-time prediction is realized by combining physical laws and data driving residual correction and online parameter self-adaption; constructing a multi-scale abnormal index by comparing model output with actual data, identifying an abnormal mode by adopting PCA, calculating local and overall health indexes, and predicting a trend; and generating a preliminary control strategy according to the abnormal mode and the health trend, forming closed-loop adaptive control in combination with health state weighted optimization and look-ahead adjustment, and issuing execution and feeding back an update strategy. According to the invention, the quality control qualification rate and the energy-saving efficiency of the whole process of emulsion paint packaging are improved.

The utility model relates to the technical field of filling equipment, in particular to emulsion paint filling and packaging equipment which comprises a supporting table and further comprises a conveying belt, a filling machine, a sealing cover conveying pipe, a movable plate, an electric guide rail, a push groove, a gland seat, an electric push rod, a clamping block, a movable seat, a telescopic air cylinder, a lead screw and a sliding rod. A conveying belt is arranged on the front side of the supporting table, a filling machine is arranged at the upper end of the supporting table, a sealing cover conveying pipe is arranged on the left side of the filling machine, a moving plate is arranged at the lower end of the sealing cover conveying pipe, electric guide rails are arranged on the left side and the right side of the moving plate, and a pushing groove is formed in the front end of the moving plate. The electric push rod drives the clamping block to clamp a barrel cover, the lead screw controls the cover pressing base to move to the position above the conveying belt for standby, the conveying belt drives a material barrel to move to the position below the cover pressing base, the telescopic air cylinder drives the cover pressing base to descend, the electric push rod relieves clamping of the clamping block to the barrel cover, and at the moment, the cover pressing base is controlled to press downwards. And rapid sealing of the charging basket is realized.

The utility model relates to the technical field of latex paint color mixing devices, in particular to a stirring type latex paint color mixing device which comprises a paint mixing barrel, a sleeve used for heating the paint mixing barrel is fixedly arranged on the outer wall of the paint mixing barrel, and a stirring shaft is rotationally arranged in the paint mixing barrel. The stirring shaft is slidably provided with the first stirring part and the second stirring part which are used for promoting uniform mixing of latex paint color mixing, and the position and distance of the stirring parts are allowed to be changed according to needs in the stirring process, so that different stirring and color mixing requirements are met, and the uniformity and consistency of color mixing are improved; the first stirring part comprises a fixed block and a plurality of inclined trapezoidal stirring blades which are arranged on the side wall of the fixed block in an annular array, latex paint can be better stirred in the rotating process, small holes formed in the stirring blades can promote mixing of the latex paint and color glue, the second stirring part comprises two stirring discs which are fixedly connected, and the stirring blades are arranged in the stirring discs. The emulsion paint can flow through the through grooves in the stirring disc in the stirring process.

The mixing tank for latex paint production comprises a bottom plate, two connecting rods are installed on the upper end face of the bottom plate in a sliding and penetrating mode through a supporting plate, a tank body is fixedly installed at the ends of the two connecting rods together through a fixing mechanism, and an extrusion block is fixedly connected to the outer walls of the two connecting rods together. The inner wall of the extrusion block is connected with the outer wall of the supporting plate through an elastic mechanism, a first motor is fixedly installed on the outer wall of the supporting plate through a connecting mechanism, an eccentric wheel is fixedly installed on the outer wall of an output shaft of the first motor, and an extrusion groove matched with the eccentric wheel is formed in the outer wall of the extrusion block. Through the arrangement of the eccentric wheel, the extrusion block, the spring and other components, when the eccentric wheel is in rotating contact with the extrusion groove in the outer wall of the extrusion block, the tank body can generate transverse vibration under the cooperation of the elastic effect of the spring, and the transverse vibration is combined with the stirring effect of the stirring blades, so that the mixing uniformity of materials is greatly improved; the problem that a traditional mixing tank is uneven in mixing is effectively solved.

The utility model relates to wastewater treatment technical field especially relates to a kind of emulsion paint processing wastewater treatment device, including the separation tank being fixedly installed with filter tank in flocculation tank bottom, the filter tank being fixedly installed with filter box in separation tank bottom, and the support plate is fixedly connected between flocculation tank and filter tank;The utility model can filter out sludge residue in separation tank inside by filter screen, then piston rod can be driven to extend by air cylinder, so that piston rod can drive extruding plate to move in separation tank inside synchronously, so that sludge residue filtered out in separation tank inside can be extruded to the inside of storage cover to the right by extruding plate, so that the wastewater remaining in sludge residue is also extruded, and sludge residue can be extruded and stored simultaneously, so that the separation of water body and sludge residue can be realized, and it is easy to operate;And when sludge residue needs to be taken out, seal cover is rotated and taken off from sludge taking opening, and then storage cover and sludge taking opening inside are taken off, so that sludge residue in storage cover and sludge residue remaining in separation tank inside can be cleaned.

This invention relates to a latex paint and its preparation method, belonging to the technical field of latex paints. The latex paint raw materials of this invention include raw material A and water. Raw material A, by mass, comprises: 40-60 parts of aqueous polyurethane dispersion A; the particle size of solid particles in aqueous polyurethane dispersion A is 1-2 μm; 10-20 parts of aqueous polyurethane dispersion B; the particle size of solid particles in aqueous polyurethane dispersion B is <0.5 μm; 0-10 parts of titanium dioxide; 10-20 parts of calcium carbonate; 0.5-5 parts of aqueous dispersant; 0.2-5 parts of defoamer; and 0.2-5 parts of thickener. The latex paint of this invention has excellent skin feel and good scrub resistance.

The utility model relates to the technical field of tank cover pressing, and discloses emulsion paint tank cover pressing equipment which comprises a supporting table, a conveying belt is arranged at the top of the supporting table, a supporting frame is fixedly connected to the top of the conveying belt, a hydraulic cylinder is fixedly connected to the top of the supporting frame, and the output end of the hydraulic cylinder is fixedly connected with a connecting column. The outer wall of the connecting column is slidably connected with a sliding sleeve, and a dismounting assembly is arranged in the connecting column. And the dismounting assembly comprises a trapezoidal clamping column and a groove, the trapezoidal clamping column is slidably connected to the interior of the connecting column, the groove is slidably connected to the outer wall of the connecting column, and the groove is formed in the trapezoidal clamping column. According to the cover pressing device, the spring is compressed by sliding the sliding sleeve, so that the trapezoidal clamping column is unlocked, the effect of disassembling the pressing plate of the device is achieved, the problem that the pressing plate cannot be rapidly replaced when cover pressing needs to be conducted on tank covers with different diameters is solved, and the applicability of the device is improved.

The utility model relates to wall body technical field of damp proof function discloses a wall body with damp proof function, the utility model discloses cement wall body layer that reinforced concrete constitutes, is equipped with latex paint layer on the wall surface of cement wall body layer, and is equipped with damp proof composite coating wallpaper through the glue pasting and is fixed outside latex paint layer, damp proof composite coating wallpaper is composed of multilayer structure, wherein at least including a layer of hygroscopic structure, and the hygroscopic performance is higher than the hygroscopic performance of latex paint layer. The utility model is based on the reasonable, scientific innovation improvement of existing wall body structure, through the damp proof composite coating wallpaper of the surface of wall body pasting can absorb moisture and refuse water, and the vast majority of water vapor is excluded, and the certain breathing permeability of concrete wall body is guaranteed, and compared with prior art, the cavity damp proof performance of plum rain weather is effectively improved.

The utility model provides an elastic latex paint layer heat preservation structure. Comprising a first expansion polystyrene board, a protection assembly is arranged on the front side of the first expansion polystyrene board, a connecting assembly is arranged on the front side of the protection assembly, and a fixing assembly is arranged on the edge of the outer side of the first expansion polystyrene board; a second expansion polystyrene board is arranged on the rear side of the first expansion polystyrene board, and sound insulation boards are arranged on the inner sides, close to the left side and the right side, of the first expansion polystyrene board and the second expansion polystyrene board. According to the elastic latex paint layer heat preservation structure, all parts of the structure are arranged in a matched mode, the structure is fixedly connected with an outer wall through the mounting holes and the mounting blocks, the connecting blocks move to the inner sides of the connecting plates and are connected to the inner sides of the adjacent connecting openings in an inserted mode, and the connecting bolts and the stainless steel hanging pieces are fixedly connected together. And the connecting frame is attached to the surface of the protection assembly, so that all layers can be connected more tightly, and the practicability of the device is greatly guaranteed.

The utility model discloses a wall painting device, and particularly relates to the technical field of wall painting, the wall painting device comprises a roller, the outer end of the roller is sleeved with a sponge sleeve, and a plurality of liquid leakage holes are formed in the outer end of the roller; the two communicating openings are formed in the two ends of the roller correspondingly, a connecting plugging plate is arranged in one communicating opening, a rotating shaft is fixedly arranged on the outer side of the connecting plugging plate, a connecting frame is arranged in the other communicating opening, and a rotating pipe is fixedly arranged on the outer side of the connecting frame; the outer end of the rotating shaft and the outer end of the rotating pipe are each provided with a fixing ring, and the rotating shaft and the rotating pipe are rotationally connected with the fixing rings through bearings. According to the latex paint coating device, latex paint is added into the roller from the rotating pipe, the latex paint can be immersed into the sponge sleeve in real time, then the wall surface can be coated continuously, the coating process is simple and convenient, and the coating efficiency is high.

The utility model relates to the technical field of latex paint smearing, in particular to a drip-proof latex paint smearing mechanism. The anti-leakage latex paint smearing mechanism comprises a supporting rod, a sealing assembly, a concave containing block, a conveying assembly, a handle and an elastic assembly, a connecting rod is fixedly connected to one side of the top end of the supporting rod, a containing barrel is rotationally connected to one side of the connecting rod, a plurality of permeation holes are formed in the containing barrel, a brush is fixedly connected to the outer portion of the containing barrel, and the brush is fixedly connected to the top end of the supporting rod. A sealing assembly is installed on the side, away from the connecting rod, of the containing barrel, a weighing rod is fixedly connected to the position, under the brush, of the top end of the supporting rod, and a concave containing block is fixedly connected to the top end of the weighing rod. According to the utility model, the surface of the brush can be prevented from being contaminated by excessive emulsion paint, the emulsion paint is prevented from dripping, the dripping emulsion paint can be recycled, the utilization rate of the emulsion paint is greatly improved, the construction cost is reduced, the long rod is prevented from loosening and falling off due to back-and-forth movement in use, and the risk of safety accidents is reduced.

The utility model discloses a filling machine for latex paint production and processing, which relates to the technical field of paint production and processing, and comprises a filling box body, a conveying frame and a conveying belt device, one side of the filling box body is provided with the conveying frame, the inner wall of the conveying frame is provided with the conveying belt device, the outer wall of the conveying frame is provided with a motor, and the motor is connected with the conveying frame. The output end of the motor is connected with one end of the conveying belt equipment through a coupler, a suction pipe is installed in the middle of the interior of the filling box body, a supporting frame is installed at the top end of the suction pipe, rollers are arranged at the top end of the supporting frame, and a conveying pipe penetrating through the suction pipe is installed on the side wall of the supporting frame. A second fixing frame is installed at the top end of the filling box body, a high-pressure diaphragm pump is arranged on the inner wall of the second fixing frame, the device is provided with a connecting frame to drive a sealing frame to move towards the rear side, so that the latex which does not stop flowing downwards at a discharging pipe falls to the sealing frame and does not drop to other places, and the protection effect is achieved.

Coalescing solvents are among the most important components of water-borne latex paints and are required for deposition of continuous and tough films during the final stages of paint drying. Water-borne latex paints require 1-2 weight percent coalescing solvent which translates to use of about 770 million pounds in the US alone. This work focused on developing novel biobased coalescing solvents for water-borne latex paints to perform equivalent or better while being cost competitive to higher performing petroleum-based coalescing solvents. Formulation testing included minimum film forming temperature (MMFT), scrub resistance, freeze-thaw stability, and gloss. Other properties of the solvent considered were evaporation (leading to VOC content), density, viscosity, color, and hydrolytic stability. Hydrolytic stability is important for the shelf-life performance of the final paint formulation.

The utility model discloses a blending device for latex paint production, which comprises a stirring barrel, a feed pipe mounted at the left end of the stirring barrel, a discharge pipe mounted at the lower end of the stirring barrel, a stirring mechanism arranged at the bottom in the stirring barrel, a semicircular cover mounted at the upper end of the stirring barrel, a premixing tank arranged at the lower end of the semicircular cover, and a piston push plate slidably connected in the premixing tank. A conical sealing plate is installed at the lower end of the connecting rod and located at the lower end of the premixing groove, an electric telescopic rod is installed at the upper end of the semicircular cover and fixedly connected with the piston push plate, and a plurality of quantitative feeding mechanisms are installed at the upper end of the semicircular cover. According to the utility model, raw materials are prepared in the premixing tank while mixing work is carried out in the stirring barrel, and after latex paint in the stirring barrel is discharged and synthetic resin emulsion is added, the prepared raw materials are directly discharged into the mixing barrel for stirring work, so that the waiting time for preparing the raw materials is shortened, and the working efficiency is improved.

The utility model discloses a dispersion device for latex paint production, which relates to the technical field of latex paint production and comprises a dispersion bin, a driving shaft is rotatably clamped in the dispersion bin, one end of the driving shaft is in transmission connection with a driving component, and a plurality of dispersion fan blades are fixedly connected to the outer side of the driving shaft. A material uniformizing assembly is fixedly connected to the outer side of the driving shaft, a material uniformizing filter screen is fixedly mounted in the dispersing bin, and the material uniformizing assembly is arranged above the material uniformizing filter screen. The driving assembly drives the driving shaft to rotate, so that the driving shaft drives the dispersing fan blades and the material uniformizing assembly to rotate, and a material uniformizing roller in the material uniformizing assembly extrudes solid raw materials out of filter holes of a material uniformizing filter screen, so that the solid raw materials can uniformly fall into the bottom end of the interior of the dispersing bin; the condition of caking caused by too high concentration of solid particles in a local area is avoided, and the raw material dispersing efficiency of the emulsion paint production dispersing device is improved.

The present application relates to the technical field of latex paint, and particularly relates to a bamboo charcoal antibacterial and odor-removing latex paint and a preparation method thereof, which comprises nanoscale bamboo charcoal powder, modified chitosan, modified organic nanosheet, ethylene oxide / propylene oxide block copolymer and hydrophobic modified polyurethane; the phthalimide bond formed by the modified chitosan and the modified organic nanosheet is hydrolyzed and broken in the back alkali environment, and two modified substances are released to synergistically play a defense function to protect the integrity of the paint film; the ethylene oxide / propylene oxide block copolymer and the hydrophobic modified polyurethane construct a multi-level stable system, which effectively prevents the flocculation and demulsification between the positively charged quaternary ammonium salt functional substance and the negatively charged emulsion particles.

1. The name of the design product: display instrument (latex paint formaldehyde). 2. The use of the design product: for indoor latex paint in a closed dry environment formaldehyde standard test. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: A is transparent material.

The invention provides a composite modified anhydrous calcium sulfate whisker and a preparation method and application thereof.The preparation method of the composite modified anhydrous calcium sulfate whisker comprises the following steps that anhydrous calcium sulfate whisker and a solution containing a first modifier are mixed for a first reaction, and first modified whisker is obtained after filtering and washing; the first modifier comprises alginic acid and / or alginate; mixing the first modified whisker with a solution containing a second modifier for second reaction, and filtering and washing to obtain the composite modified anhydrous calcium sulfate whisker, the second modifier comprises alkyl fatty acid and / or alkyl fatty acid salt. Through the synergistic effect of the two modifiers, the hydrophobicity and the interface bonding force of the calcium sulfate whisker are remarkably improved, and the compatibility of the calcium sulfate whisker in an organic composite material is improved. The prepared composite modified anhydrous calcium sulfate whisker can be used as a novel modified filler, and can effectively improve the strength, glossiness and other indexes of an emulsion paint system.

This invention relates to the field of coating preparation technology, and in particular to a method for preparing an environmentally friendly negative ion waterproof latex paint. The method includes preparing tourmaline@ZIF-8 core-shell structure powder, dynamically adjusting the molar ratio based on the particle size-time growth curve to achieve precise control of the shell thickness from 20 to 100 nm; synthesizing a polymethyl methacrylate-b-polydimethylsiloxane-b-polyacrylic acid triblock copolymer using RAFT polymerization to form a hydrophobic sea + hydrophilic island microphase separation structure; preparing a latent curing crosslinking agent dispersion by compounding a blocked isocyanate and a modified phosphate ester at a ratio of 2-5:1; and mixing the paint using a layered feeding sequence. This invention effectively solves three major technical problems: negative ion release attenuation under high humidity, the contradiction between waterproofing and release, and bubbling during high humidity construction.

The utility model discloses an exterior wall latex paint coating structure with a good sound insulation effect, which relates to the technical field of exterior wall coatings and comprises a ductile layer, a sound insulation layer, a waterproof layer and a reflecting layer. The tough layer is located at the bottommost layer; the sound insulation layer is tightly connected to the upper part of the tough layer; the waterproof layer covers the sound insulation layer; the acrylic fiber layer is positioned on the upper end surface of the tough layer and is adjacent to the waterproof layer; a mechanical locking structure of a semi-spherical convex block and a semi-spherical groove is arranged between the acrylic fiber layer and the rubber plastic film, so that the problem that heat and moisture generated by a neutralization reaction damage a wall body is effectively solved; the mechanical locking structure provides stronger physical connection, the stress of the coating caused by environmental change is reduced, meanwhile, the neutralization reaction characteristic of the acrylic fiber layer is designed to be carried out in the coating, the direct influence of heat and moisture on the wall is avoided, and therefore excellent heat resistance and waterproof performance are provided.

1. Name of the product in this design: Latex Paint Display Cabinet. 2. Purpose of this design: storage and display of sprayed products such as latex paint and glaze paint. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A plurality of sliding rails and C-shaped blades capable of being locked in a sliding mode are arranged in a main body frame of the wall paint covering type frameless single-groove-shaped air outlet, the front edge of a frame body is connected with an attachment plate in a clamped mode to form an integrated surface which is the same as wall putty and emulsion paint in quality and color, and the surface of the attachment plate is provided with a micron-sized concave-convex anchor point structure. And putty bonding and paint covering are facilitated. The opening and closing positions of the blades in the sliding rails are adjusted through the limiting bolts, and the air flow direction and flow are flexibly controlled. The air outlet is simple in structure, convenient to install and maintain, free of exposed frames and highly integrated with wall decoration.

The invention discloses bamboo charcoal purification multifunctional interior wall latex paint and a preparation method thereof, and belongs to the field of paints.The bamboo charcoal purification multifunctional interior wall latex paint is prepared from, by weight, 200 parts of vinyl emulsion, 40-45 parts of modified bamboo charcoal powder, 8-10 parts of dispersing agent, 120-130 parts of nanometer filler, 80-90 parts of deionized water and other auxiliaries; the modified bamboo charcoal powder is a composite material prepared by taking bamboo powder, an LDH precursor, a ZIF-8 precursor and a hydrophobic modifier as main raw materials through multi-stage calcination at 25-600 DEG C. The bamboo powder and the ZIF-8 precursor are used as raw materials to prepare a double-adsorption system, the bamboo charcoal firstly adsorbs formaldehyde, when the adsorption upper limit is reached, the bamboo charcoal begins to discharge formaldehyde, the discharged formaldehyde can be captured by the ZIF-8, and the problem of secondary pollution of formaldehyde is solved.

The utility model provides an emulsion paint stirring barrel for indoor decoration, which belongs to the field of indoor decoration and comprises a barrel body, a barrel cover is arranged above the barrel body, and adjusting mechanisms are arranged on the barrel cover and in the barrel body. Through the adjusting mechanism, before stirring, the barrel cover and the barrel body are separated from each other, after multiple barrels of emulsion paint are poured into the barrel body, the linear rotating motor lifts the barrel cover through the hook and then rotates to the position above the barrel body to fall down, the barrel body and the barrel cover form a whole, and then the emulsion paint in the barrel body is stirred. The speed reducing motor and the stirring shaft are both mounted on the barrel cover, so that the stirring shaft can move along with the barrel cover; compared with the prior art, dependence on manpower is reduced, the labor cost is reduced, meanwhile, the labor intensity of workers is relieved, the working efficiency of the workers is improved, decoration engineering can be carried out more quickly, and the overall working efficiency is improved.

The invention discloses latex paint with high scrubbing resistance and low VOC (volatile organic compounds) and a preparation method of the latex paint. The emulsion paint is prepared from the following components in parts by weight: 0.05 to 0.1 part of 30,000 cellulose, 0.1 to 0.15 part of pH regulator, 0.2 to 0.5 part of wetting agent, 0.4 to 0.5 part of ammonium salt dispersing agent, 0.4 to 0.5 part of sodium salt dispersing agent, 0.6 to 0.7 part of defoaming agent, 22 to 26.5 parts of rutile titanium dioxide, 7 to 13 parts of superfine coarse whiting, 1 to 2 parts of superfine matting powder, 40 to 45 parts of film-forming emulsion, 2 to 5 parts of covering polymer emulsion, 0.3 to 0.4 part of bactericide, 0.5 to 2 parts of anti-formaldehyde aid, 0.3 to 0.4 part of mildew preventive and 1 part of flatting agent. 1.5 parts of the raw materials and 12 to 13.9 parts of deionized water. According to the invention, VOC and harmful substance release sources are eliminated from the source, so that the VOC content of the latex paint is greatly reduced and can be as low as 0.022 mg / m < 3 >; and meanwhile, the paint film formed by the invention also has excellent scrubbing resistance (the paint film is still kept complete after more than or equal to 30000 times).

The invention belongs to the technical field of building construction, and provides an indoor latex paint spraying robot construction method and a robot, through arrangement of a walking mechanism, a lifting mechanism and an automatic spraying gun, automatic spraying of latex paint is achieved; the current spraying mode is determined by judging the working states of the manual spraying gun and the automatic spraying gun, and the stirring degree of the stirring mechanism is controlled according to the spraying mode; in the determined stirring degree, the stirring mechanism is adjusted according to the action states of the walking mechanism, the lifting mechanism and the multi-axis mechanical arm, so that the vibration degree of the spraying robot is reduced; the problem that the stirring action of the stirring mechanism aggravates the vibration of the robot is avoided, on the basis of ensuring that the coating is fully stirred, the stirring requirements in all spraying modes and action states are met, and the uniformity effect of the spraying surface in all the spraying modes and action states is ensured.

The utility model relates to the technical field of latex paint mixing, in particular to a latex paint raw material mixing reaction kettle which comprises a mixing kettle, the device further comprises a top cover, limiting holes, a mounting plate, a first motor, a screw rod, an exhaust through pipe, an air inlet through hole, a connecting disc, an exhaust groove and a driving plate, the top cover is arranged at the top of the mixing kettle, a plurality of limiting holes are formed in the top of the top cover, the mounting plate is arranged on the rear side of the periphery of the mixing kettle, and the first motor is arranged at the bottom of the mounting plate; the first motor drives the lead screw to rotate, the lead screw drives the connecting disc to move downwards through the driving plate, and the connecting disc drives the exhaust through pipes to move downwards until the exhaust through pipes are inserted into latex paint raw materials in the mixing kettle downwards through the exhaust grooves. At the moment, air in the latex paint raw material cavity is extruded by the latex paint raw materials, enters the exhaust through pipe through the air inlet through hole and is finally exhausted to the outside of the mixing kettle through the exhaust through pipe, so that the exhaust function is realized.

The utility model relates to the technical field of building wall surface treatment, in particular to building wall surface smearing integrated equipment which comprises a smearing assembly, a telescopic assembly and a slurry pump, the smearing assembly is arranged at the top of the telescopic assembly and connected with the slurry pump, the smearing assembly comprises a roller, a limiting ring is arranged on the periphery of one end of the roller, and the limiting ring is connected with the slurry pump. The periphery of the roller is sleeved with ferrules at equal intervals, discharging holes allowing slurry to overflow are formed in the ferrules and the periphery of the roller at equal intervals, and nylon bristles are connected to the peripheral surfaces of the ferrules. Through a mechanism composed of the smearing assembly, the telescopic assembly and the slurry pump, a set of wall smearing integrated equipment is provided for building constructors, the constructors can conduct smearing operation continuously, the number of times of repeated dipping of emulsion paint or putty is reduced, and the operation efficiency and convenience are improved.

The present application provides a kind of formaldehyde removal latex paint composition and preparation method thereof, formaldehyde removal latex paint composition includes modified latex as matrix, nano silver ion, silane coupling agent hydrophobic modified nanosilica filler;The weight ratio of silane coupling agent hydrophobic modified nanosilica filler and modified latex is (2-8):100;The modified latex includes polymer with chemical structure as shown in formula (I).The formaldehyde removal latex paint composition of the present application not only improves mechanical properties, but also has the ability to adsorb and remove formaldehyde, cooperates with imino disuccinic acid group chelated silver ion to degrade formaldehyde, realizes the ability of formaldehyde removal latex paint composition to remove formaldehyde persistently.