62results about How to "Good stain resistance" patented technology

The invention discloses a special electric stain-resistant heat insulation coating. The special electric stain-resistant heat insulation coating comprises the following components in parts by weight: 15-50 parts of a film formation emulsion, 5-30 parts of nano oxide powder, 10-20 parts of heat reflection pigment, 5-25 parts of hollow ceramic microbeads, 8-15 parts of a filler, 5-15 parts of additives and a proper amount of deionized water. The purposes of resisting stains and insulating heat can be achieved by introducing components such as nano oxide powder into the heat insulation coating. The invention also discloses a preparation method of the stain-resistant heat insulation coating. The preparation method of the stain-resistant heat insulation coating comprises the following steps: adding deionized water, part of the additives, the nano oxide powder, the hollow ceramic microbeads, the heat reflection pigment and filler into a grinder for grinding to obtain slurry; transferring the prepared slurry into a dispersing machine, adding the film formation emulsion and the rest of additives into the slurry, stirring and dispersing the slurry, filtering the slurry by a screen to obtain the stain-resistant heat insulation coating. The preparation method of the stain-resistant heat insulation coating is simple in process, easy to implement and simple and convenient to operate.

The invention discloses an elastic thin-layer insulating coating layer on the base of building wall or metal surface, which comprises the following parts: base, middle layer, surface layer and protective layer, wherein the base is epoxy zinc-rich paint, which is hydraulic sealed paint; the protective layer is transparent dirt-proof aging-tolerance liquid; the middle layer contains elastic emulsion of film acroleic acid, hollow filler of modified insulating silicate, solar reflecting dye; the surface layer concludes elastic emulsion of membrane acroleic acid, infrared irradiation ceramic filler, hollow filler of modified insulating silicate, solar reflecting dye, which coordinate.

The invention discloses an inorganic nano composite anti-doodling resin and a preparation method thereof. Silane-coupling-agent-modified inorganic nanoparticles, fluorine-containing acrylate monomer, alkyl acrylate monomer and hydroxyalkyl acrylate monomer are subjected to free-radical polymerization reaction to obtain the inorganic nano composite anti-doodling resin. The film formed by the inorganic nano composite anti-doodling resin has the advantages of excellent weather resistance, excellent scratch resistance, excellent chemical corrosion resistance, excellent ultraviolet resistance, excellent wear resistance, low surface energy, excellent pollution resistance and excellent anti-doodling performance, thereby implementing the long-term anti-doodling action. The invention relates to the field of an anti-doodling resin and a preparation method thereof.

The present invention provides an antisticking doodle proof coating, the main component includes 20-70% fluorine polymer resin, 1-7% fluorine-containing surfactant, 2-7% silicon-containing surfactant, 1-5% nano-powder, 0.1-2% metal drier, 20-80% solvent. The antisticking doodle proof coating is coated on the outdoor facilities of all kinds of material of metal, porcelain, cement, coating, oil paint, frp, wood, the antisticking doodle proof coating plays a best important role in sticking and coating resistance, used for outer wall coating decoration at the same time, having strong self-clearing impact, making dust and dirt automatically flush by rain or washing cleanlily by water.

The invention discloses elastic odor removing total effect latex paint, which comprises the following components: elastic latex, nano-antifoulant, nano-odor removing agent, negative ion material, titanium dioxide, stuffing, deionized water, antifoaming agent, dispersant, pH conditioning agent, film forming additive, antiseptic, anti-mildew agent and rheological thickener, and the invention also discloses the preparation method of the elastic odor removing total effect latex paint. The elastic odor removing total effect latex paint is a novel latex paint integrated with multi-function, which has the advantages that the stain resistance is excellent, the latex paint is easy to be cleaned because the latex paint has the hydrophobic effect similar to a lotus leaf, the negative ion can be released in a long term, the harmful gas can be dispelled, and the odor is fragrant, the latex paint is provided with elasticity, the line crack can be covered, the water leakage resistance and the adhesive force are strong, the latex paint is anti-scrubbing, the adhesive force is strong, and the hand feeling is exquisite and sleeky; the latex paint is an environment protective product of zero VOC and no odor; the construction is convenient; the preparation method is simple, and the latex paint is easy to be produced in large scale.

The invention relates to the technical field of paint, and concretely discloses anti-doodle anti-contamination bottom-universal aqueous woodenware white paint and a preparation method thereof. The aqueous woodenware white paint comprises the following components by mass percentage: 40-50% of an aqueous acrylic acid emulsion, 8-12% of an aqueous polyurethane dispersion, 0.3-0.5% of a base materialwetting agent, 0.4-0.6% of an antifoaming agent, 13-18% of deionized water, 1-3% of an environmental protection solvent, 3-5% of a wax emulsion, 1-2% of a thickening agent, 0.3-0.5% of a levelling agent, 0.5-0.8% of an anti-doodling auxiliary agent, 0.5-1% of an organosilicon surface auxiliary agent, 0.5-1% of a dispersant, and 18-20% of titanium dioxide. The aqueous woodenware white paint has high hardness, and excellent contamination resistance and doodle resistance, and a paint film has the advantages of fast drying speed, high glossiness, excellent chemical resistance, and artificial agingresistance.

The invention discloses a lubricating, anti-electrostatic, anti-rust and cooling liquid composition in the weaving manufacturing course, which consists of 85-92% mineral typed basic oil with multiple viscous basic oils and 8-15% additive, wherein the additive is composed of emulsifier, antirust agent, abrasion-proof agent, anti-oxidant, metal deactivator and distill water.

The invention discloses an energy-saving type transparent coating with functions of heat reflection and heat insulation. The coating comprises components in parts by weight as follows: 10-30 parts of inorganic pigment, 0.5-25 parts of a solvent and 45-89.5 parts of resin, wherein the inorganic pigment comprises tin antimony oxide with the particle size of 10-80 nm, tin indium oxide and lanthanum hexaboride; the solvent is selected from one or more of alcohol, aliphatic hydrocarbon, aromatic hydrocarbon, ketone and ester solvents; the resin is selected from one or more of acrylate-based resin, polyurethane resin, inorganic silicon based resin, silica sol based resin and organic and inorganic mixed resin. The energy-saving type transparent coating with the functions of heat reflection and heat insulation can be applied on transparent glass directly exposed to the sun, thereby forming a coating film with the functions of heat reflection, heat insulation and energy saving, guaranteeing the transparency of the glass and having the continuous heat insulation effect, good visible light transmittance and certain stain resistance.

The invention belongs to the technical field of architectural coatings, and particularly relates to a direct-coating water-based single-component ceramic tile renovating coating and a preparation method thereof. The direct-coating water-based single-component ceramic tile renovating coating comprises the following components in parts by weight: 10-25 parts of a film forming material I, 25-35 partsof a film forming material II, 0-1 part of an adhesion promoter, 0-1 part of a wetting agent, 0-1 part of a dispersing agent, 0-1 part of a defoaming agent, 0-8 parts of a film forming assistant, 0-4parts of a thickening agent, 0-3 parts of an antifreezing agent, 0-1 part of a pH regulator, 0-1 part of a preservative, 0-1 part of a mildew inhibitor, 5-25 parts of a filler, 0-25 parts of a pigment and 20-25 parts of water. The direct-coating type water-based single-component ceramic tile renovating coating is a water-based system, has low VOC content and is environment-friendly; the direct-coating water-based single-component ceramic tile renovating coating has excellent performances of dry and wet adhesion, weather resistance and the like; and application is simple, the construction period can be shortened, and the construction cost can be reduced.

The invention discloses a nickel-free and fluoride-free sealing agent for aluminum and aluminum alloy anode oxide films. The sealing agent is prepared from the following components of 1-15g / L of a hydration accelerant, 0.1-5g / L of a pH buffer agent, 0.01-0.1g / L of an ash inhibitor, 0.1-0.5g / L of a wetting agent and the balance deionized water. The sealing agent has the advantages that heavy metalpollution in wastewater treatment can be avoided, in addition, the oxide films with good corrosion resistance can be obtained, the experimental requirement of GB / T 8753.1-2005 phosphochromic acid canbe met, the films are uniform and smooth, the dye speck resistance performance is good, and hole sealing of the natural-color anode oxide film and the dyed anode oxide film can be simultaneously realized; and a concentrated formula is provided, a preparation method is simple, and the operation is convenient.

The invention discloses a preparation method of an antibacterial and anti-fouling white ceramic tile seam filling agent, belonging to the technical field of building materials. The preparation method comprises the steps of carrying out roasting activation on zeolite, then adding the activated zeolite into a zinc acetate solution, and carrying out high temperature decomposition to produce activated zeolite which is internally loaded with nano-zinc oxide; crushing quartz sand, then mixing the crushed quartz sand with deionized water, anhydrous ethanol and hydrochloric acid, firstly adding methyl dimethoxy silane into the mixture for carrying out hydrophobic modification, and then adding a silane coupling agent into the mixture so as to improve the water resistance of quartz powder; finally, mixing the materials such as modified quartz powder, white cement, the zeolite which is internally loaded with the nano-zinc oxide, and the like to obtain the antibacterial and anti-fouling white ceramic tile seam filling agent. The zeolite which is internally loaded with the nano-zinc oxide is added into the antibacterial and anti-fouling white ceramic tile seam filling agent, so that the ageing resistance and antibacterial property of the seam filling agent are improved; after surface modification is carried out on the quartz powder, the fouling resistance of the seam filling agent can be improved; the obtained seam filling agent is good in anti-mould effect, enables the surfaces of seams to be smooth and wear-resistant, is long in service life, and has lasting antibacterial property.

A nano coating is prepared by nano-composite size added with fillers and various auxiliary agents; wherein, the average grain size of the nano powder formed by covering in the nano coating is 35 nanometers; the spherical nano powder has ends with surfaces closed and lotus leaf-like surface microstructure; the nano powder also has tap density of 0.15-0.5g / cm and specific surface area of 125-180 / g; the nano coating comprises the following materials by weight percent: 3.8% of ionized water, 10-12% of nano size, 2.5-2.8% of glycol, 5.3-5.7% of hydroxyethyl cellulose, 1.4-1.7% of film forming auxiliary agent, 28-29% of titanium dioxide, 2-3% of calcined kaolin, 2-3% of heavy calcium carbonate, 39-40% of phenylethylene-propyl ethylene acid ester emulsion, 0.5-0.6% of propylene glycol, 0.1-0.2% of bactericide, 0.2-2% of thickener, 0.1% of defoamer, 0.27% of dispersant, 0.06% of wetting agent and 0.2% of pH value regulator. The coating is bactericidal, nontoxic, tasteless and resistant to 300000 times of washing.

The invention belongs to the technical field of waterborne epoxy paints, and discloses a waterborne epoxy paint for protective treatment of a cement concrete basal plane, and a preparation method and application of the waterborne epoxy paint. The paint provided by the invention is applied to protective treatment of the cement concrete basal plane, and the obtained ground has excellent hardness, wear resistance, contamination resistance and heat resistance. The paint provided by the invention comprises the following components in parts by mass: 100 parts of epoxy resin, 10 to 100 parts of 2-taurine modified waterborne epoxy resin, 2 to 80 parts of a curing agent, 0.1 to 3 parts of a defoaming agent, 0 to 20 parts of a reactive diluent, 0.5 to 2 parts of a flatting agent, 0.05 to 10 parts of a dispersing agent, 2 to 16 parts of pigment, 20 to 150 parts of fillers and 0 to 5 parts of an accelerant. A preparation method of the 2-taurine modified waterborne epoxy resin comprises the steps of mixing epoxy resin, 2-taurine, water and a surfactant and enabling a reaction at the temperature of 25 to 60 DEG C for 3 to 10 hours to obtain the 2-taurine modified waterborne epoxy resin.

The invention discloses a color changing agent. The color changing agent is prepared from the following components in parts by weight: 30-40 parts of color changing agent liquid A, 30-40 parts of color changing agent liquid B, 10-20 parts of color changing agent liquid C and the balance of water. The invention further discloses a novel wood color-changing imitation antique coating process. The novel wood color-changing imitation antique coating process comprises the following steps: (1) sanding a floor element board; (2) coating the color changing agent; (3) coating natural clear oil or natural white oil, or brushing. The color changing agent has the advantages that the operation process is simple; a coated floor is natural in appearance, has an imitation antique effect and is easily cleaned and rebuilt after being used. According to the color changing agent, the operation process is simple, and the coated floor is natural in appearance, has the imitation antique effect and is easily cleaned and rebuilt after being used.

The invention discloses an environmental-friendly texture coating composition and a preparation method thereof. The environmental-friendly texture coating composition comprises the following components in percentage by weight: 59%-62% of natural colored sand, 11.8%-15% of emulsions, 3.5%-4.5% of cellulose ether, 1%-2% of active adsorbents, 4%-6% of heavy calcium carbonate, 4%-6% of titanium dioxide, 0.3%-0.5% of film-forming auxiliary agents, 0.1%-0.2% of sterilizing agents and 9%-11% of water. When the environmental-friendly texture coating composition is prepared, the components are added and stirred according to a conventional coating process. The environmental-friendly texture coating mainly comprises fine graded fillers, the emulsions, other auxiliary agents, and the like, and the limit of harmful substances meets the requirement for GB 24408-2009 'limit of the harmful substance contained in an outer wall coating for building'. The environmental-friendly texture coating composition disclosed by the invention has good stain resistance and ageing resistance, is less in harmful substance limit by selectively adding the active adsorbents and capable of purifying the air, and has good coordination after being mixed with other materials.

The invention relates to a fluorocarbon coil coating and a preparation method thereof. The invention is characterized in that the method comprises steps as follows: teflon resin, acrylic block copolymer dispersants, aerosil, cobalt blue pigments, titanium pigments, ferrochrome black pigments, ceramic beads, 100 type aromatic solvents, cyclohexanone and dibasic ester are mixed uniformly according to certain proportion and sequence; after passing through a high-speed disperser, the mixtures are ground for 3 to 5 times by a grinding machine; and then methyl-etherified melamine resin, closed paratoluenesulfonic acid catalysts, micronized PE waxes, acrylic ester flatting agents, acrylic ester foam killers, silicon dioxide flatting silica, hindered amine stabilizers, butyl acetate and isophorone are added, stirred uniformly, filtered and packaged into a finished product. The coating has excellent weatherability and dirt-resistance performance; the solidifying temperature is relatively lower than that of polyvinylidene fluoride and the color is bright; the infrared emission rate is higher; the lustrousness can be freely adjusted; and the solid content is high and waste gas discharge can be reduced.

The invention belongs to the technical field of novel material, and discloses a colorful wear-resistant raw lacquer paint, and a preparation method thereof. The colorful wear-resistant raw lacquer paint comprises raw lacquer, metal salt powder, a modifier, silica sol, a surfactant, and a functional auxiliary agent. The preparation method comprises following steps: 1, mixing, wherein raw lacquer, metal salt powder, and the modifier are mixed and stirred to be uniform; 2, stirring, wherein silica sol, the surfactant, and the functional auxiliary agent are added, an obtained mixture is stirred tobe uniform, and stirring speed is controlled to be 150 to 200r / min; 3, vibration treatment, wherein in stirring, supersonic wave is adopted for 1.5 to 2.5h of vibration treatment, and at last, the viscosity of the colorful wear-resistant raw lacquer paint is adjusted. The obtained paint film is high in gloss, excellent in film forming performance, water resistance, weatherability, stain resistance, wear resistance, and clunging force; no pollution is easily caused; construction is convenient; and falling of paint film is not easily caused.

The invention discloses a medium-density fireproof silicone rubber and a preparation method thereof. The medium-density silicone rubber is formed by mixing a component A and a component B in a volume ratio of 1:(0.95-1.02) and curing at 0-40 DEG C. The component A is proportionally composed of alpha,omega-dihydroxy polysiloxane, hydroxy silicone oil, a filler, a flame retardant and a metal catalyst. The component B is composed of alpha,omega-dihydroxy polysiloxane, hydroxy silicone oil, a filler, hydrogen-containing silicone oil and a flame retardant. The medium-density silicone rubber for nuclear power can be used as a fireproof flame-retardant plugging material, has the basic mechanical properties, and has the advantages of high tendency to stain removal, favorable water and air tightness, excellent radiation resistance and excellent flame retardancy.

The invention discloses anti-doodling fluorescent water paint for an interior wall and a preparation method of the water paint. The anti-doodling fluorescent water paint for the interior wall is prepared from components as follows: finished paint and a curing agent, wherein the finished paint comprises modified acrylic resin, an antibacterial agent, a mildew preventive, a wetting agent, a dispersant, a defoaming agent, deionized water, titanium dioxide, a thickener, a levelling agent, a pH regulator, a coalescing agent and fluorescent powder; the curing agent comprises modified aliphatic polyisocyanate and an organic solvent. The modified acrylic resin and modified aliphatic polyisocyanate are crosslinked in a specific proportion for film formation; by means of hydroxyl functional groups contained in modified acrylic resin, coating film surfaces are arranged in an oriented manner and crosslinked with surface functional groups of polymer structures in a coating, so that the water paintfor the interior wall has the characteristics of being anti-doodling, good in stain resistance, excellent in mildew-proof and antibacterial property, high in fluorescent sense, not prone to fading andenvironmentally friendly.

In the invention, organic silicon resin and silicate ester are hydrolyzed together under effects of a catalyst to form nano organic silicon particles; the nano organic silicon particles is then mixed with a compact silicon-oxygen structural body prepared by individually hydrolyzing the silicate ester; the mixture is then cured to form a stable and regular compact structure that inorganic silicon coats organic silicon. During tempering of the photovoltaic glass, the organic substances are oxidized to obtain CO2, and regular-sized nano pores are remained, which are disconnected from each other, and water vapor is isolated outside a film layer, so that the coating has excellent weather resistant performance. In addition, the film layer has a smooth surface and pollutants cannot enter the interior of the film layer, so that the coating has excellent pollution resistance. The preparation process is simple, is easy to control and is suitable for large-scale production.

The invention provides a waterborne bicomponent fluorocarbon conductive anticorrosion paint, made by mixing component A and component B; the component A comprises, by weight, 50-60 parts of waterbornefluorocarbon resin, 25-35 parts of conductive nickel powder, 1-2 parts of propylene glycol, 0.2-0.6 part of a defoaming agent, 2-3 parts of silane coupling agent, 0.2-0.8 part of a dispersant, 0.1-0.2 part of a leveling agent, 0.1-0.2 part of a PH regulator, 0.3-0.8 part of a wetting agent, 0.2-0.5 part of a dry film mildew preventive, 3-5 parts of a film-forming aid, 0.3-0.8 part of a thickener,and 0-9 parts of deionized water; the component B comprises 65-70 parts of hydrophilic isocyanate curing agent, and 30-35 parts of dipropylene glycol dimethyl ether; the weight ratio of the componentA to the component B is 10:1. film of the waterborne bicomponent fluorocarbon conductive anticorrosion paint has excellent weatherability, water resistance, oil resistance, low temperature resistance, solution resistance, corrosion resistance, and conductivity; static electricity on the surface of a coating layer can be effectively eliminated.

The invention relates to a special nano-filter plate for a filter press, which has the advantages of ultra-strong dirt resistance, ultra-strong wear resistance, ultra-strong electrostatic resistance and ultra-strong durable efficacy. The special nano-filter plate comprises a filter plate, wherein the surface layer of the filter plate is a nano-layer. The invention has the concrete advantages that: the special nano-filter plate has ultra-strong dirt resistance, has a smooth and exquisite surface, can not adsorb dust and grease dirt easily, is easy to clean and enables the squeezed filter cake to automatically fall off from the surface of the nano-filter plate, and the nano-surface of the special nano-filter plate has good anti-dirt characteristic; the special nano-filter plate has ultra-strong wear resistance, the wear resistance of the surface of the filter plate can be obviously improved, and extruding scratches can not be generated easily; the special nano-filter plate has ultra-strong electrostatic resistance, can effectively eliminate the electrostatic phenomenon, and can not adsorb dust particles easily; the special nano-filter plate has superior acid resistance and alkali resistance and high weather resistance; and the surface of the special nano-filter plate is water-proof, can resist grease dirt, is simple and convenient to clean and is nearly not cleaned with water, thereby greatly saving the water resources.

The invention discloses super matte outer wall flat paint, which comprises the following raw materials in parts by weight: 15-35 parts of water, 0.1-0.5 part of cellulose, 0.5-1 part of a dispersing agent, 0.1-0.5 part of a wetting agent, 0.1-0.5 part of a defoaming agent, 0.05-0.2 part of a multifunctional auxiliary agent, 15-40 parts of heavy calcium carbonate, 5-20 parts of titanium dioxide, 1-5 parts of aluminum silicate, 1-5 parts of a covering polymer, 1-5 parts of an antifreezing agent, 0.05-0.2 part of a preservative, 1-5 parts of a film forming auxiliary agent, 10-20 parts of a pure acrylic emulsion I, 5-15 parts of a pure acrylic emulsion II and 0.1-0.5 part of a thickening agent. The super matte outer wall flat paint can achieve a super matte gloss effect on the premise of not adding matting powder, and simultaneously has excellent stain resistance, yellowing resistance, water permeability, storage stability and the like.

The invention discloses a porcelain-like coating and a flexible stone-like tapestry brick, wherein the porcelain-like coating comprises, by weight, the following raw materials: 15-40 parts of nano silicon carbide, 20-35 parts of calcium carbonate, 8-12 parts of sienna stone powder, 10-15 parts of sodium oxalate, 0.5-2 parts of hydroxyethyl methyl cellulose, 1-3 parts of organic bentonite, 3-7 parts of binder and 20-30 parts of pure water. According to the technical scheme, by adding the nano silicon carbide, the calcium carbonate and the sienna stone powder, the stain-resistant performance ofthe porcelain-like coating after consolidation is improved, so that the flexible stone-like tapestry brick prepared by the porcelain-like coating is not easy to be polluted by pollutants.

The invention discloses a preparation method of a stain-resistant polyester industrial filament. The method comprises operation steps as follows: (1) polyurethane slices are put in a continuous solidphase polymerization device, melamine cyanurate and poly(cyclic amide) are added, the mixture is mixed uniformly and then subjected to a reaction at 235-240 DEG C for 20-25 h, and a base material is prepared; (2) the base material and an additive are mixed in the mass ratio being (18-22):1 and then added to a screw extruder, melt extrusion and traction drawing are performed, and the polyester industrial filament is prepared. The polyester industrial filament prepared with the provided preparation method of the stain-resistant industrial polyester filament has excellent mechanical properties and particularly has excellent stain resistance, and the quality of the polyester industrial filament is effectively improved.

The invention relates to a photocatalysis colored paint and a preparation method thereof. First of all, mesoporous nanometer titanium dioxide powder is dispersed in an aqueous epoxy colored paint with a dispersion machine to obtain a mixed reagent, wherein, the mesoporous nanometer titanium dioxide powder takes up 1 percent to 5 percent by weight percentage while the aqueous epoxy colored paint takes up 95 percent to 99 percent; and then the mixed reagent, liquid epoxy resin and water are mixed in the proportion of 2-3: 1: 1-2 so as to obtain the photocatalysis colored paint. The photocatalysis colored paint prepared by the preparation method of the invention can not only improve the quality of the colored paint and ensure the colored paint to have high performance of photocatalytic degradation, but also can adopt water as a thinner and has extremely low VOC, strong adhesive force to various base materials, good abrasive resistance, print resistance and good water resistance and alkali resistance and simultaneously has the effect of mineralizing and degrading environmental pollutants and inhibiting and killing bacteria, thus expanding the range of application of the colored paint and obtaining good market efficiency.

The invention discloses an external wall heat-insulation low-carbon energy-saving paint which is compounded from an acrylic elastic emulsion polymer, small-particle-size hollow glass microspheres, a high-molecular polymer, a hollow microsphere polymer emulsion, a low-HLB (hydrophile-lipophile balance)-value wetting agent, ethylene glycol and other components. The paint production process is simple. The coated film formed by the prepared paint has the advantages of ultrahigh heat reflectivity, smooth surface, no roughness, pollution resistance, excellent weather resistance and high storage stability, and is a thinly-coated smooth-type heat-reflection heat-insulation paint which satisfies the standards for many nations.

The invention belongs to the technical field of novel spinning, and particularly relates to a nano-antibacterial regenerated protein fiber blended yarn. A preparation process of the blended yarn comprises the following steps that cotton fibers are pretreated; the pretreated cotton fibers in the first step are subjected to blowing-carding; a part of the cotton fibers subjected to blowing-carding and nano-antibacterial regenerated protein fibers are mixed and made into a first cotton roll, a part of pearl fibers and the residual cotton fibers subjected to blowing-carding in the second step are mixed and made into a second cotton roll; the residual nano-antibacterial regenerated protein fibers and the first cotton roll in the third step are mixed and made into a first carding sliver, and thesecond cotton roll in the third step is made into a second carding sliver; and the first and second carding slivers in the fourth step are made into drawn slivers through a drawing process, and then the drawn slivers are made into the nano-antibacterial regenerated protein fiber, pearl fiber and cotton fiber blended yarn through a roving process and a spun yarn process sequentially. The nano-antibacterial regenerated protein fiber blended yarn has the antibacterial sterilization and deodorization functions, and the preparation process of the blended yarn is simple and easy to operate.

The invention relates to a high-pollution-resistance matte external-wall elastic paint comprises the following components in parts by weight: 13-26 parts of water, 0.4-0.8 part of hydroxyethyl cellulose, 0.1-0.2 part of pH regulator, 1-2 parts of ethylene glycol, 0.3-0.5 part of water-based wetting agent, 0.8-1.5 parts of hydrophobic modified dispersing agent, 15-16 parts of titanium dioxide, 5-7 parts of coarse whiting, 10-12 parts of calcined kaolin, 4-6 parts of diatomite, 30-40 parts of pure acrylic elastic emulsion, 1.5-2.5 parts of water-based defoaming agent, 1-2 parts of alcohol ester-12, 0.1-0.3 part of anti-pollution paint aid, 0.3-0.5 part of sulfonic acid aid and 0.1-0.2 part of wetting and antifreezing agent. The high-pollution-resistance matte external-wall elastic paint overcomes the defect that the existing elastic paint can not have high elasticity and pollution resistance at the same time and can not cover the roughness of the wall surface due to high glossiness, has the advantages of high elasticity and pollution resistance, and can modify the surface roughness of the wall.

The invention provides a varnish for repairing vehicles. The varnish comprises a paint vehicle and a catalyst. The paint vehicle comprises the following components by weight: 55-60 parts of alkoxy methyl silicone resin, 0.2-0.3 part of a defoaming agent, 2.5-3.5 parts of a functional assistant, 0.3-0.5 part of a leveling agent, 0.5-1.0 part of a thickener and 35-41 parts of a diluent; and the catalyst comprises the following components by weight: 25-30 parts of an organic tin drier and 70-75 parts of butyl acetate. During construction, the paint vehicle and the catalyst are compounded according to a weight ratio of 10:1. The varnish provided by the invention does not contain curing agent, and has good flexibility, the paint vehicle adopts alkoxy methyl silicone resin, so that a paint filmformed after application of the varnish has good appearance, high gloss, fullness and other excellent properties, can be directly used for repairing on old colored paint, a repaired paint film has excellent appearance, gloss and aging resistance, and is the same as a new paint film, and is free of deformation, cracking and obvious discoloration at high temperature, and a trans-dimethyl structure of resin cooperates with a fluorine-containing surface aid, so that the paint film has good anti-doodling performance and stain resistance.