39 results about "Calcium carbonate+kaolin" patented technology

The invention provides a carbon crystal composite microporous ceramic filter core and a preparation method thereof. The invention is characterized in that the ceramic filter core is prepared from the following raw materials by weight: 12 to 14 parts of light calcium carbonate, 9 to 12 parts of kaolin, 7 to 9 parts of diatomite, 10 to 12 parts of bamboo charcoal powder, 4 to 6 parts of charcoal dust, 1 to 2 parts of straw ash, 12 to 14 parts of celestine powder, 6 to 8 parts of talcum powder, 3 to 5 parts of mica powder, 10 to 12 parts of chlorinated paraffin, 12 to 14 parts of ethanol, 25 to 35 parts of modified bentonite and a proper amount of water. The ceramic filter core provided by the invention has a plurality of functions like filtration, adsorption and suppression of bacterial reproduction and has the protruding advantages of high purification efficiency, high temperature resistance, small pressure loss, corrosion resistance, a long service life, removal of dust in air, etc.

The invention relates to a preparation method for a cationic silicone/acrylic emulsion alkali resistant seal primer. The basic formula of the seal primer is as follows: 30% to 50% of emulsion, 4% to 8% of titanium dioxide, 5% to 12% of ground limestone, 5% to 10% of kaolin, 1% to 3% of talcum powder, 2% to 6% of coalescing agent, 1% to 5% of propylene glycol, 0.5% to 3% of thickening rheological agent, 2% to 5% of assistant and 20% to 35% of deionized water. The seal primer has the advantages of strong permeability, excellent weather and water resistance, good adhesion with substrate and paint, good self cleanness and environmental friendliness, excellent sealing performance, excellent alkali resistance and higher alkali and salting-out resisting performance. Therefore, the seal primer is suitable for being coated on the surfaces of external walls, internal walls, cement walls, concrete, gypsum boards, asbestos plates and the like.

The invention discloses a high-turning-speed multi-layer coating paint. The paint formula mainly comprises precoating paint, middle-coating paint and surface-coating paint. The paint formula comprises the compositions in parts by weight: 70-100 parts of heavy calcium carbonate, 0-30 parts of kaolin, 5-12 parts of latex, 5-8 parts of coating starch, and 0.1-0.5 part of a thickening agent. Paper is subjected to machine coating by employing a coating manner of two layers of precoating, one layer of middle coating and one layer of surface coating or a coating manner of one layer of precoating, one layer of middle coating and one layer of surface coating. Bottom coating employs metered glue-applying coating, and the coating amount is relatively low; and the middle/surface coating employs scraper coating, and the coating amount is relatively high. The formula helps to effectively reduce resistance of paint during coating, and improve the smoothness and the glossiness of coated paper. The paint is applicable to machine coating, is capable of effectively improving coating amount, improving surface properties of finished paper, enabling the cost per ton of paper to be substantial reduced and improve the competitiveness of the product.

The invention discloses a coating composition for a blister coated whiteboard with a white back, and a preparation process of the coating composition. The coating composition comprises four coatings namely a front pre-coating, a front top-coating, a back pre-coating and a back top-coating, wherein components of the four coatings include calcium carbonate, kaolin, latex, sodium hydroxide, an antifoaming agent, a dispersing agent, a bactericide, a rheological modifier, a lubricant and the like in different percentages by weight; the corresponding positions of the whiteboard are coated with the four coatings, so that the prepared blister whiteboard is lower in cost and high in air permeability, the interlayer bonding strength of coating layers is high, the permeability of the coating layers is high, and the blister effect is good.

The invention discloses a preparing method of foaming pad, which comprises the following steps: allocating fitful PVC powder, DOP plastic agent, light-weight calcium carbonate, kaolin, foamer and pigment, casting in the composite device to form liquid slurry, transmitting in the middle material barrel, stewing at normal temperature for 8h, prefoaming, coating the transmitting belt to form slurry layer, stewing the slurry layer at 80-90 deg.c for 3-10min, heating at 185-200 deg.c for 20-30 min, foaming entire foam pad, cooling, punching, moulding the outline shape and distinctive line of surface, cutting, obtaining foaming pad product.

The invention discloses external wall elastic water-resistant putty powder and a preparation process thereof, and belongs to the technical field of building materials, wherein the external wall elastic water-resistant putty powder comprises the following raw materials: modified heavy calcium carbonate, kaolin powder, quartz sand, ash calcium powder, whiting powder, cement, modified talc powder, rubber powder, bentonite powder, latex powder, titanium dioxide, sodium carboxymethyl cellulose, polyvinyl alcohol, sodium alginate, a natural resin, a high-water-absorption resin, lignocellulose, polypropylene short fiber, an auxiliary agent, a defoamer, and a lubricant. According to the present invention, the external wall elastic water-resistant putty powder is prepared through mixing, stirring,grinding and other steps; the raw material combination is suitable, the preparation method is simple, and the production process is safe and environmentally friendly; and the external wall elastic water-resistant putty powder can well protect walls, cannot produce hollowing, peeling, cracking and dust shedding after being wet, can be organically combined with various coating materials, and has broad application value and market prospects.

The invention discloses a herbal sterilizing anticorrosive coating and a preparation method thereof. The herbal sterilizing anticorrosive coating is prepared from water, hydroxyethyl cellulose, amine neutralizer, propylene glycol, wetting agent, dispersing agent, antifoaming agent, titanium dioxide, ground limestone, kaoline, polymer emulsion, film coalescing agents, allicin and flavor covering agent. The herbal sterilizing anticorrosive coating is good in stability, strong in practicability, persistent, broad-spectrum and efficient in sterilization and anticorrosion, wide in application, safe and environment-friendly, has no side effect to environment and human bodies, and storage stability can be guaranteed.

The invention discloses a mosquito repelling coating which is characterized in that a raw material for preparing the coating contains a DEET solution; the DEET solution is prepared from DEET and an ethanol solution with the concentration of 97%-99% according to the weight part ratio of (10-40):(60-90); and the raw material for preparing the coating also comprises water, a dispersant, a wetting agent, a defoaming agent, a thickening agent, titanium dioxide, a PH regulator, heavy calcium carbonate, kaoline, talcum powder, an emulsion, a film forming additive, an anti-freezing agent, an anti-mildew agent and a leveling agent. The mosquito repelling coating not only has an effect of repelling insects, but also is harmless to human bodies and is also capable of properly purifying indoor air and meeting the requirement of indoor decoration.

A method for manufacturing foam pads includes a first step of preparing a proper amount of PVC power, DOP curing agent, light calcium carbonate, kaolin, foaming agent and pigment and pouring them into a blending device to be blended and form a liquid starchy material. Next, the liquid starchy material is conveyed into an intermediate material barrel and kept stationary for pre-foaming at normal temperature for about 8 hours and then coated on a conveyer pelt to form a starchy material layer. Subsequently, the starchy material layer is kept stationary and heated at 80-90° C. for about 3-10 minutes and then continuously heated at 185-200° C. for about 20-30 minutes to form an integral-sheeted foam pad. After cooled, the integral-sheeted foam pad is thermo-compressed and cut into various foam pad products.

The invention belongs to the technical field of chemical materials and discloses a porous volatile organic compound absorbing calcium carbonate-kaolin composite material and a preparation method thereof. An applied preparation system comprises a grinding module, a stirring module, a centrifugal dewatering module, a drying module, a cold pressing module and a sintering module. The porous volatile organic compound absorbing calcium carbonate-kaolin composite material enhances cladding property of styrene around calcium carbonate composite particles and adherence of the styrene onto the surface of calcium carbonate, and meanwhile, through organic bentonite, can further enhance the lubricating, waterproof and thermal-resisting performance of the calcium carbonate and broaden application of thecalcium carbonate in industry. Besides, by means of the auxiliaries of methyltriethoxysilane, zirconium fluoride, quartz powder and basswood ash, the porous volatile organic compound absorbing calcium carbonate-kaolin composite material can greatly improve the breaking elongation and the tensile strength compared with unmodified calcium carbonate filled polytetrafluoroethylene composite materials.

The invention discloses super-hydrophobic polyester protective paint, and belongs to the technical field of chemical engineering. The super-hydrophobic polyester protective paint is characterized by being composed of a styrene solution of polyester resin, whitewater, methyl ethyl ketone peroxide, a paraffin styrene solution, zinc oxide micropowder, ultrafine Fischer Tropsch wax micropwder, dimethyl ketone, a dispersing agent 904S, calcium carbonate and kaolin. The finished product super-hydrophobic polyester protective paint can be applied to resisting corrosion of steel materials and wood materials, and resisting carbonation of concrete, and can be also applied to surfaces of various kinds of outdoor and indoor ironmongery goods in ships, bridges and the like as the paint for protecting the surfaces. The super-hydrophobic polyester protective paint has both a micro-scale coarse structure and a nano-scale coarse structure, and thus has the super-hydrophobic function with a lotus leaf effect. After the super-hydrophobic polyester protective paint is utilized, the surface of an object does not need to be artificially cleaned and painted repeatedly so that the object can be returned to a new one for a long time, and thus a lot of labor and materials are saved; meanwhile, the super-hydrophobic polyester protective paint is not eroded by wind and rain, and the service life of the super-hydrophobic polyester protective paint is three folds that of common polyester protective paint, and thus the super-hydrophobic polyester protective paint is indeed the paint which is long in service life and excellent in performance.

The invention discloses a PVC stone-plastic floor with round corners and round corner processing equipment of the PVC stone-plastic floor, and belongs to the technical field of floors. The PVC stone-plastic floor comprises a floor body; the floor body is composed of a backing material layer, a reinforced middle material layer, a color film layer, a wear-resistant layer and a UV protective layer; the backing material layer, the reinforced middle material layer, the color film layer, the wear-resistant layer and the UV protective layer are sequentially laminated from bottom to top; each of the backing material layer and the reinforced middle material layer comprises processing aids such as PVC resin, ground calcium carbonate, kaolin, a DOTP plasticizer, a calcium-zinc stabilizer, carbon fibers, petroleum resin and carbon black; the carbon fiber material and the calcined kaolin are introduced as auxiliary filling materials, the problem of thermal expansion and cold contraction of the floor is better controlled by utilizing the stability of the carbon fibers and the porcelainization effect of the kaolin after high-temperature calcination, the situation that the floor fillet effect rebounds along with temperature change is avoided, and the equipment can be applied to production of the stone-plastic floor with a wear-resistant layer with the thickness being 0.30 mm or below; and the thinner the wear-resistant layer is, the better the fillet effect is.

The invention discloses a Q235B hot-rolled steel plate enamel and a preparation method thereof, which comprises the following raw materials in weight percentage: porcelain powder: 60% to 75%, antiknock agent: 0.5% to 2%, pigment: 1 %~3%, sodium nitrite: 0.15%~0.35%, borax: 0.15%~0.4%, calcium carbonate: 0.1~0.5%, kaolin: 4%~5%, quartz powder: 3.6%~5.5%, urea: 0.5%~1.5%, water: 27%~45%. The present invention uses ordinary Q235B hot-rolled steel plate as the base material of enamel products, and the manufacturing cost is relatively low, which is more conducive to the popularization and use of enamel products; The surface has anti-corrosion ability, and the glaze body has stable properties, low cost and simple process.