132 results about "Milk paint" patented technology

The invention discloses a high-bio-based PHA-acrylate emulsion paint as well as a preparation method and application thereof, and belongs to the technical field of water-based paints. The film former of the latex paint comprises 60% to 90% of polyhydroxyalkanoate (PHA) with a moderate crystallinity of 40% to 60%, and 10% to 40% of a specific bio-based acrylate copolymer with a Tg of not higher than 5 DEG C. According to the invention, a core-shell microstructure in which a rigid PHA phase is wrapped by a flexible acrylate phase is constructed through a key process including ultrasonic treatment. According to the structure, low-temperature film forming can be achieved without a VOC coalescing agent, the bio-based content of an obtained paint film is higher than 70%, the VOC content is lower than 0.5 g / L, the scrub resistance is larger than 7000 times, and the technical problem that high bio-based content and high performance of a PHA coating are difficult to achieve at the same time is solved.

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 emulsion paint spraying robot comprises a machine base, controllers are connected to the two sides of the machine base correspondingly, a stirring mechanism used for stirring and mixing emulsion paint, an adjusting mechanism used for adjusting the spraying position height and a changing mechanism used for changing the spraying angle are arranged at the top of the machine base, and the bottom of the adjusting mechanism is installed on the machine base; the changing mechanism is installed on the adjusting mechanism, the spraying head is installed on the changing mechanism and connected with the stirring mechanism through a pipeline, and collision buffering mechanisms are arranged on the two sides, provided with the controller, of the machine base. Latex paint can be continuously stirred in the spraying process through the stirring mechanism, pigment precipitation or layering is prevented, the consistency of the spraying effect is guaranteed, the adjusting mechanism can flexibly adjust the position of the spraying head according to the height of the wall surface, dependence on a scaffold or a ladder is reduced, the changing mechanism supports multi-angle rotation of the spraying head, uniform coating coverage is guaranteed, and the spraying efficiency is improved. Spraying leakage or uneven spraying thickness is avoided, and the construction precision is improved.

The invention discloses a viscosity detection device and method for emulsion paint, and relates to the technical field of emulsion paint.The viscosity detection device is characterized in that a screw is arranged on a heating assembly, the screw extends to the outer side of an outer shell, the heating assembly surrounds the outer wall of a cup body, and the height of the heating assembly is adjusted by rotating the screw; the heating rings are arranged to heat the cup body, the screw rod is rotated to drive the heating ring at the top to move downwards so as to drive the multiple heating rings to be close to one another downwards, and therefore the heating area of the cup body is adjusted, after adjustment, the whole cup body is evenly heated originally, and the heating efficiency is improved. The cup body is gradually heated from the bottom to the top, and when temperature difference exists in the latex paint in the cup body of the same cup, the viscosity of the latex paint is tested.

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 discloses a raw material stirrer for environment-friendly latex paint. The raw material stirrer comprises a bottom frame, the upper end of the bottom frame is slidably connected with an upper supporting frame, a rotating shaft is rotatably connected into a through hole in the front end of the upper surface of the upper supporting frame, a connecting base is arranged on the lower surface of the rotating shaft, a rotating disc is arranged at the lower end of the connecting base, a moving base is slidably connected into a sliding groove in the upper surface of the rotating disc, and a stirring shaft is rotatably connected into a round hole in the upper surface of the moving base; the middle of the rotating disc is in threaded connection with a lead screw, the rear end of the lead screw is rotationally connected with a circular groove in the front side face of the moving seat, a hand wheel is arranged at the front end of the lead screw, a control switch set is arranged on the right side face of the rear end of the bottom frame, and the input end of the control switch set is electrically connected with an external power source. The stirring shaft can revolve while rotating, so that the stirring range is large, the stirring effect is good, the stirring range is adjustable, and the use convenience is good.

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 present invention relates to a durable, stain-resistant, and easy-to-apply two-component glaze paint and a preparation method thereof, and relates to the technical field of coatings. The durable, stain-resistant, and easy-to-apply two-component glaze paint comprises the following components, measured by weight: component A: 55-65 parts of a hydroxyl-containing acrylic emulsion, 0.2-0.5 parts of a substrate wetting agent, 22-30 parts of a pigment and filler, 4-8 parts of water, 1.5-3.0 parts of a wax-containing dispersion, and 1.8-5.0 parts of other additives; and component B: a water-dispersible isocyanate curing agent, etc. The two-component latex paint provided by the present invention is based on the reaction of the hydroxyl groups in component A with the isocyanate groups in component B, thereby cross-linking and curing to form a dense paint film. Then, by reducing the overall moisture content, adding a high proportion of the wax-containing dispersion, and using a substrate wetting agent with a low HLB value, the stain resistance of the paint film can be further improved, and its recoatability can be significantly improved, without abnormalities such as oil shrinkage, thereby making up for the shortcomings of the existing technology.

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 present invention discloses a design structure for a concealed sliding door in a highly concealed building interior safe house, comprising: a base wall, a decorative wall, a first sliding door, and a second sliding door, wherein the base wall is provided with a door opening, the decorative wall is correspondingly arranged above the door opening, a first gypsum board is fixedly mounted on a keel frame, a first latex paint layer is provided on the surface of the first gypsum board, a first hanging wheel assembly is provided on the top of the first sliding door, the first hanging wheel assembly includes a mounting seat and a hanging wheel, a second gypsum board is provided on the surface of the first sliding door, a second latex paint layer is provided on the surface of the second gypsum board, a first wood veneer is fixedly mounted on the second gypsum board, a first bent edge is provided on one side of the first wood veneer, the first bent edge is fixedly mounted on the side of the first sliding door, and one end of the first wood veneer extends to the surface of the second sliding door. Compared with the prior art, the present invention effectively hides the gaps between the concealed sliding doors, improves the camouflage effect of the sliding doors, and ensures the concealment of the villa safe house.

The utility model belongs to the technical field of latex paint production, and particularly relates to a dispersing device for latex paint production, which comprises a base, a positioning semi-ring is fixedly connected to the top of the base, and a dispersing barrel for containing latex paint is movably placed in the positioning semi-ring. The top of the base is provided with a cover plate for sealing the dispersion cylinder, and a lifting mechanism is arranged between the cover plate and the base. The emulsion paint dispersion device is reasonable in structural design, through the lifting mechanism, the dispersion barrel can be pressed down and fixed, the situation that the dispersion barrel topples over during stirring is avoided, meanwhile, the dispersion barrel can be sealed through the cover plate, waste caused by splashing of emulsion paint is avoided, and through rotation of the main dispersion rod, the dispersion barrel can be conveniently and rapidly stirred. Under the dual action of forward and reverse reciprocating swing of the auxiliary dispersion rod, the emulsion paint can be efficiently stirred and dispersed, and the dispersion effect and efficiency of the emulsion paint are improved.

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 an indoor putty and latex paint spraying integrated robot, and relates to the technical field of indoor decoration. Comprising a movable chassis, the top side of the movable chassis is fixedly connected with a mounting stand column and a lifting track, one side of the mounting stand column is fixedly connected with a feeding box body, one side of the lifting track is slidably connected with a spraying table, and a spraying gun is mounted on the side, back on to the feeding box body, of the spraying table. Through the arrangement of the movable chassis, the device can advance along a preset route under the planning of a worker, through the arrangement of the feeding barrel and the feeding box body, latex paint is continuously provided for the device in the working period, through the arrangement of the spraying gun, the spraying work of the latex paint is carried out, and the working efficiency is improved. And through uniform operation of the movable chassis, the feeding box body and the spray gun, an emulsion paint coating with uniform thickness is left on the wall surface, so that the indoor wall surface spraying effect which is faster and better than that of manual work is obtained.

The utility model discloses a high-speed dispersion machine for processing environment-friendly latex paint. The high-speed dispersion machine comprises a base and a multi-range dispersion mechanism, a vertical frame is arranged on the upper side of the base, and a lifting seat is slidably connected into a first sliding groove formed in the front side of the vertical frame. The multi-range dispersion mechanism comprises a rotating seat, a dispersion disc, a quick assembly assembly, a hollow reciprocating lead screw, a synchronous seat and a synchronous rod, the hollow reciprocating lead screw is arranged on the lower side of the lifting seat, and the outer side of the hollow reciprocating lead screw is in threaded connection with the synchronous seat. Through the transmission element, the dispersing part can horizontally rotate and can vertically reciprocate up and down at the same time, the high-speed dispersing and stirring coverage range of the dispersing part on the environment-friendly latex paint in the barrel body is enlarged, and then the high-speed dispersing efficiency of the device on the environment-friendly latex paint is improved; and the later-stage dismounting and cleaning operation is convenient.

The utility model provides a latex paint tank cover pressing assembly, and relates to the technical field of cover pressing equipment, the latex paint tank cover pressing assembly comprises a conveying table body, a cover pressing mechanism is arranged above the conveying table body, and the cover pressing mechanism comprises a fixing frame, a first hydraulic cylinder, a movable block, a pressing block and a supporting spring. A positioning and clamping mechanism is arranged in the fixing frame, the positioning and clamping mechanism comprises a second hydraulic cylinder, an arc-shaped block and a guide roller, the tank body is clamped and positioned through the positioning and clamping mechanism, the tank body conveyed to the position below the pressing block is positioned and clamped through the positioning and clamping mechanism, and the positioning and clamping efficiency is improved. And the situation that the cover pressing quality is reduced due to deviation generated during cover pressing is avoided, then the cover pressing mechanism drives the pressing block to automatically press downwards to press and seal the cover body, and the edge of the cover body is clamped synchronously through rotation of the rotating block in cooperation with the pressing block, so that the working efficiency and the sealing quality during cover pressing of the tank body are greatly improved.

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.

The invention relates to the field of filling devices, in particular to an emulsion paint filling device and method. The device comprises a mounting frame, a filling assembly, a rotating table and a transferring assembly. A filling cylinder is arranged in the center of the mounting frame, a dust cover is arranged on one side, and a feeding conveying piece and a discharging conveying piece are arranged on the other side. The filling assembly is arranged at the top of the dustproof cover and communicates with the filling cylinder. The rotating table is arranged on the mounting frame and rotates around the filling cylinder, and a plurality of filling stations are arranged on the rotating table; and along with rotation of the rotating table, each group of filling stations circularly move along a circular track and are sequentially opposite to the feeding conveying part, the filling assembly and the discharging conveying part. The transfer assemblies are arranged on the two sides of the filling station and used for moving, overturning and fixing the tank body. The filling efficiency is remarkably improved through automatic assembly line design, the filling quality is ensured, residual paint is effectively treated by means of unique pipeline discharging and a self-cleaning system, and multiple beneficial effects of efficient production, precise control and easy maintenance are considered.

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 wall latex paint coloring device, relates to the technical field of coloring devices, and provides the following scheme aiming at the problems that in the prior art, a rolling brush is often used for dipping latex paint, so that a large amount of labor force is paid, and the efficiency is low. And a servo motor is mounted at the top of the mixing barrel, a stirring rod is rotationally connected to the top in the mixing barrel, and a discharging pipe is fixedly connected to one side of the outer wall of the mixing barrel in an inserted mode. According to the emulsion paint mixing device, emulsion paint is added into the mixing barrel, the servo motor drives the stirring rod to rotate, the rotating stirring rod fully stirs the emulsion paint in the mixing barrel, the emulsion paint is conveyed into the hose by the paint conveying pump through the discharging pipe, and the emulsion paint enters the connecting shell through the feeding pipe and is sprayed out through the multiple nozzles; and the sprayed latex paint is in contact with a brush roller which is brushed on the wall body in a rolling manner, so that the brush roller is continuously covered with the latex paint, and the wall body can be conveniently and continuously colored.

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 application discloses a latex paint and a preparation method and application thereof, and the latex paint comprises the following components in parts by weight: 3-6 parts of diatomite, 22-26 parts of modified titanium white powder, 0.8-1.2 parts of nano titanium dioxide, 30-40 parts of emulsion, 11-17 parts of filler, 5.6-12 parts of auxiliary agent and 14-18 parts of solvent. The modified titanium white powder is titanium dioxide grafted by a silane coupling agent and N-aminoethyl piperazine. The synergistic effect between the raw materials in the application can make the latex paint have excellent construction, weather resistance and aging resistance, storage stability, low-temperature resistance, acid and alkali resistance, water resistance and washing resistance and the like, and the latex paint in the application does not emit toxic and harmful gases such as VOC, formaldehyde and benzene during use, and does not contain heavy metals, so that low odor or even no odor can be realized, and the environment is protected and the body is not damaged.

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.

This invention discloses a high-bio-based PHA-acrylate latex paint, its preparation method, and its application, belonging to the field of waterborne coating technology. The film-forming material of this latex paint comprises 60% to 90% polyhydroxyalkanoates (PHA) with a moderate crystallinity of 40% to 60%, and 10% to 40% of a specific bio-based acrylate copolymer with a Tg not exceeding 5℃. This invention constructs a core-shell microstructure of a flexible acrylate phase encapsulating a rigid PHA phase through a key process including ultrasonic treatment. This structure achieves low-temperature film formation without VOC film-forming aids, resulting in a paint film with a bio-based content exceeding 70%, a VOC content below 0.5 g / L, and a wash resistance greater than 7000 cycles, solving the technical challenge of balancing high bio-based content and high performance in PHA coatings.