2577 results about "Moisture retention" patented technology

The invention discloses pre-stirring mortar with high moisture retention and a production method thereof. The premixing mortar comprises the following components by weight ratio: 100 parts of cement with the high moisture retention, 1 to 900 parts of fine aggregate and 30 to 200 parts of water, wherein the cement with the high moisture retention contains a cellulose ether component and has the moisture retention above 90 percent; and the fine aggregate is natural sand or artificial sand obtain through screen sizing or removing harmful components, and has the maximum grain diameter of 1.18 mm to 2.36 mm. The production method comprises the following steps: arranging a mortar stirring machine on a construction site or nearby; adopting the cement with the high moisture retention and the fine aggregate to automatically meter and stir, enable mortar to be usable while stirring, and the like to ensure the mortar quality; and adopting a closed stirring mode, a dust-collecting mode and the like to reduce dust raise. The pre-stirring mortar can effectively improve and ensure the qualities of the mortar buildings, obviously improves the construction environment, greatly decreases the production cost of the pre-stirring mortar and solves the difficult problems that the prior pre-stirring mortar has over-high cost and are difficult to popularize and apply.

The present invention intends to provide a composition for hair treatment containing γ-polyglutamic acid or a salt thereof, a hair cosmetic for damaged hair containing such a composition, and their uses. The composition for hair treatment containing γ-polyglutamic acid or a salt thereof and the hair cosmetic for damaged hair of the present invention have excellent improvement effects on the strength and frictional force of hair, so that they can provide tension, elasticity, or the like to damage hair to prevent or alleviate split hair and broken hair as well as improvements in combing and touch. Furthermore, they also exert effects of moisture retention inherent to γ-polyglutamic acid or a salt thereof, preventing or improving effects on the generation of dandruff on the basis of such effects, preventing effects on the feeling of stickiness or creak, and various effectiveness including appropriate residual tendency to hair in a simultaneous manner, respectively.

An image forming apparatus according to the present invention, for ejecting liquid from openings to form an image on a printing medium, includes a head cap for covering the opening surface where the opening is open when a liquid ejection head in which the opening is formed are not in use and for protecting the opening from external air, a rechargeable battery for activating the image forming apparatus, a fuel cell for charging the rechargeable battery, and a liquid path along which water generated as the fuel cell is activated is introduced into the head caps. With this arrangement, when the liquid ejection head is not activated, the moisture retention in the head caps can be achieved.

This invention encompasses an oral composition for treating or preventing dry mouth with following benefits: antibacterial / anti-fungal efficacy, low irritancy, and moisture retention. The compositions can be a toothpaste, a mouth rinse or a spray and include one or more non-ionic surfactants, as foaming agents, one or more broad spectrum anti-microbial ingredient, such as chlorhexidine and cetylpyridinium chloride, and one or more oral surface adhesive polysaccharides that can encage cationic actives to help the deposition and retention of the agents onto oral surfaces and thus provide antimicrobial efficacy.

The invention discloses a container seedling raising method for camellia oleifera bud-stock grafting. The container seedling raising method mainly comprises the six steps of cultivating camellia oleifera bud stocks, selecting and preparing nursery soil, preparing nutritional bags, preparing cions, grafting and transplanting and managing grafted container seedlings. According to the grafting method disclosed by the invention, the stocks are not injured, when packaging is performed, grafting ports can be completely closed, the moisture retention is good, the grafting survival rate can achieve 97%, and big seedlings, sound seedlings and improved seedlings can be cultivated; and furthermore, the container seedling raising method is simple and fast to operate, the complex camellia oleifera improved bud-stock grafting becomes simple and fast, and the container seedling raising method is further easy to learn, easy to understand and easy to operate.

The invention discloses a composite throwing applying agent and a preparation method thereof, and the throwing applying agent comprises the following components by weight: 35-90% of composite carrier materials, 2-7% of disease and insect pest-resistant or herbicidal raw drugs, and 3-20% of wood vinegar and tar; wherein the composite carrier materials comprise the following components by weight: 30-80% of organic powder, 5-80% of inorganic powder, 1-10% of moisture-retaining water-retaining agents, 0.1-5.0% of adhesives, proper amounts of water, and 1-10% of plant nutrient elements and / or plant growth regulators; the disease and insect pest-resistant or herbicidal raw drugs comprise one or more than one of insecticidal, bactericidal or herbicidal pesticides or microbial reagents. The invention not only makes every effort to make the application of the throwing applying agent be simple, but also allows the carrier material to have several functions of adsorption, moisture retention, continuous play of the drug effect of the loaded pesticides, and supply of large and medium trace nutrients required by crops.

The invention discloses a pervious concrete and is characterized in that the pervious concrete is made by mixing cement, aggregate, water, water reducer agent and adhesive evenly; and the cement, the aggregate, the water, the water reducer agent and the adhesive are mixed in different weight proportions of 1-1.2 to 5.5-8.5 to 0.2-0.5 to 0.01-0.2 to 0.01-0.2. The invention can solve the natural ecology problems of hardened ground in cities, atmospheric circulation as well as soil and water moisture retention, thereby forming a high-quality natural ecology environment and maintaining urban ecological balance. The pervious concrete consists of two pervious surface courses and two macadam bases in different particles so as to provide a water storage structure which can store the water until the water penetrates into the soil; meanwhile, the invention can be made into building block, which can be provided with different decorative patterns and colors on the surface, and has the advantages of artistic quality, water permeability, good water retention, skid resistance, high strength, cold resistance and weather resistance, etc.

The invention discloses a water holding slow-controlled releasing fertilizer and a preparation method thereof, belonging to the technical field of agricultural fertilizers and preparation thereof. Macromolecule coating fertilizer is taken as an inner core and a water holding layer is taken as an outside layer to form a double-coating water holding slow-controlled releasing fertilizer; an inner coating is macromolecule protective layer coating material with nutrition controlling and releasing property; an outside coating is the water holding layer with excellent water holding property. Water retention agent suspension liquid is sprayed to the surface of macromolecule coating fertilizer grains for outside coating; wherein the water retention agent is prepared by taking cyclohexane, emulsifier, acrylic acid, acrylamide, sodium hydroxide, cross linker and evocating agent and adopting the method of opposite phase suspension polymerization. The fertilizer has the function of controlled releasing, drought resistance, water saving, water holding and soil improving and the advantages of high absorption percentage, wear resistance, difficult falling and the like; utilization ratio of liquid manure is improved and the fertilizer can be widely used to desert control, lawn plant, soil improvement, gardening, agriculture and forestry and the like.

The invention discloses a nanofiltration membrane with a nanometer hybridized desalination layer. The desalination layer formed through interphase hybridization of an inorganic nanoparticle with a particle size of 1 to 1000 nm and polyamide or polyimide is arranged on a porous supporting layer of the membrane. A preparation method for the nanofiltration membrane mainly comprises the following steps: pre-dispersion of the nanoparticle, preparation of a solution A, preparation of a solution B, interfacial polymerization, surface polishing and roller squeezing, rinsing with deionized water, moisture retention with glycerin and drying, wherein air drying and sulfonation can be carried out after surface polishing and roller squeezing. According to the invention, nanometer hybridization effects of a high polymer nano-material in the nanofiltration membrane are made full use of, so hydrophilic performance, antioxidation performance and anti-pollution performance of the nanofiltration membrane are improved, and the nanofiltration membrane has the advantages of low pollution, great flux and a high removal rate. The preparation method is scientific and reasonable, enables the nanometer composite nanofiltration membrane with a specific nanoparticle and polyamide hybridized desalination layer to be prepared and has higher ion selectivity, low pollution capability and temperature stability.

An improved biopsy kit for the collection, storage, transportation, and processing of biopsy tissue samples is disclosed. The disclosed biopsy kit consists of a typical specimen container and an improved tissue cassette with adhesively attached polyvinyl alcohol foam pads on both the base and lid portions. An excised tissue sample is sandwiched between the pads upon cassette closure, simultaneously isolating and securing the sample in its original orientation. Superior wicking, absorbency, and moisture retention rate of these polyvinyl alcohol pads allows maximum tissue fixation as well as maintains sample integrity. Once the tissue is placed by the physician at the patient's side, it remains there until the tissue is ready to be processed. This eliminates transfer errors as well as tissue loss.

The invention provides colored ceramics and a preparation method thereof. Ceramic mud for the colored ceramics at least comprises the following compositions in weight percentage: 20 to 35 percent of kaoline, 60 to 70 percent of at least two of pottery stones, lithium pottery stones, feldspar and quartz, 0.2 to 6 percent of coloring matter, and 1 to 5 percent of nanometer quartz. The method for preparing the colored ceramics comprises the following: a step of pulp injection molding, in which part of colored mud cake or colored mud strip is mixed with liquefacient with 0.3 to 0.8 percent of total amount for pulping, and the mud which is screened from a screen of between 80 and 120 meshes is injected into a mold to produce a hollow or solid briquette; and a step of glazing and maturing, in which the briquette which is manufactured by pulp injection molding or plastic molding is cemented and dried according to creativities, and are directly applied with clear glaze, and the glazed briquette body is placed in an oxydizing flame roller kiln or an electrical kiln for 1 to 4 hours at a temperature of between 1,150 and 1,200 DEG C for maturing. The method can not only reduce clinkering cost, but also improve the moisture retention, bonding performance and corrosion resistance of strong ceramic mud, and further show energy conservation and environmental protection.

The invention belongs to the technical fields of biodegradable material modification and application, and relates to a controllable fully biodegradable mulching film and a preparation method thereof.The controllable fully biodegradable mulching film comprises the following raw materials in parts by weight: 1-50 parts of high-crystallinity polylactic acid, 10-90 parts of polybutylene adipate / butylene terephthalate, 0-50 parts of poly propylene carbonate, 0.1-2 parts of a plasticizer, 0.1-2 parts of a chain extender, 0.1-1 part of a lubricant, 0.1-1 part of a dispersant, 0.1-1 part of an opening agent, 1-3 parts of a compatibilizer, 0.1-8 parts of a gas barrier, 0-1 part of an antioxidant, 0-1 part of a light stabilizer, 0.1-2 parts of an anti-hydrolysis agent and 0-3 parts of an antibacterial agent. The raw materials are pretreated and uniformly mixed, the controllable fully biodegradable mulching film is obtained by extrusion and blow molding, and the thickness of the mulching film is0.005 to 0.020 mm. The fully biodegradable mulching film provided by the invention has good mechanical properties, excellent heat preservation and moisture retention performance, and can be completely degraded by itself; the mulching film degradation rate can be regulated according to the 'mulching film function period' of different crop mulching films in different regions to meet the needs of different crops in different regions.

The invention belongs to the biological medical technology field, and discloses a medical polysaccharides hydrogel used for surgical healing which consists of aldehydized bletilla striata, crosslinking agent and deionized pure water; the weight percentage of the polymer is 3 to 25 percent. The hydrogel is characterized in good anti-inflammatory action, good permeability, good moisture retention and the function of absorbing trauma secretion, improving obviously the speed of trauma healing in animal model, and having a wide application prospect as an ideal medical surgical healing medicine.

The invention disclosed a modified coconut tree branny culture substrate and a preparing method thereof. The preparing method of the modified coconut tree branny culture substrate comprises the steps of: crushing and screening coconut tree branny, and adding clear water for swelling; then adding acid cellulase and hemicellulase in sequence for enzymolysis to prepare a crude coconut tree branny enzymolytic solution; filtering, drying and crushing the crude coconut tree branny enzymolytic solution to prepare modified coconut tree branny; and disinfecting and evenly mixing the modified coconut tree branny, an inorganic substrate and an organic substrate according to a proportion, adjusting the pH value and then drying and packaging so that the modified coconut tree branny culture substrate can be obtained. The modified coconut tree branny culture substrate disclosed by the invention has a simple preparation process and low cost, and is prepared by consuming short time; and the enzymolysis method is utilized to modify the fibers of coconut tree branny so as to prepare the modified coconut tree branny culture substrate, thus the sponginess, air permeability, water-retaining property, thermal insulating property and moisture retention property of the culture substrate are all improved remarkably, the application range of the coconut tree branny culture substrate is widened simultaneously, and the coconut tree branny culture substrate is applicable to culture of various plants, can meet the needs of fast development of the modern culture substrate industry, is beneficial to generation of good economic benefit, ecological benefit and social benefit, and has a good promotion prospect.

The invention discloses an emollient lotion for moisturizing skin and controlling oil. The emollient lotion is prepared from the following components in percentage by mass: 0.1-5% of hydrogenated phosphatidylcholine, 0.1-5% of phytosterol, 0.001-1% of ceramide, 0.1-5% of silica, 2-20% of humectant, 2-20% of grease, 0.1-1% of thickening agent, 0.5-5% of emulsifying agent, 0.1-0.6% of preservative and the balance of distilled water. The emollient lotion has efficient moisture retention and can be used for enhancing the protection mechanism of the skin, promoting the metabolism of cell membranes of the skin and achieving the aims of improving dry skin as well as relieving and repairing the skin.

The invention discloses quick-frozen fish tofu and a processing method thereof. The quick-frozen fish tofu comprises a meat material part and a soybean part; the meat material part comprises the following components in part by weight: 600-800 parts of minced fish meat, 300-500 parts of chicken breast meat, 200-500 parts of pork fat, 50-150 parts of cassawa starch, 100-200 parts of maize meal, 100-300 parts of monoacetate starch, 200-300 parts of water, 100-150 parts of egg white, 40-60 parts of edible salt, 40-60 parts of white granulated sugar, 10-30 parts of glucose, 10-30 parts of gourmet powder, 10-30 parts of cooking wine, 1-2 parts of freshener, 1-2 parts of fish essence, 4-5 parts of moisture retention agent, 3-4 parts of xylitol, 0.1-0.3 part of ethyl maltol, 1-2 parts of sorbitol, and 1-3 parts of guar gum; and the soybean part comprises the following components in part by weight: 200-300 parts of isolated soy protein, 1000-1500 parts of ice water, 4-6 parts of transglutaminase, 1-2 parts of Beta-cyclodextrine, and 2-4 parts of gourmet powder. The quick-frozen fish tofu has the advantages of mellow outline, golden color, pure flavor, dense scent, elasticity and crisp, and is oily but not greasy.

The invention relates to non-woven fabrics containing carboxymethyl cellulose fibers and a purpose of the non-woven fabrics containing the carboxymethyl cellulose fibers in a beauty mask substrate. The non-woven fabrics are composed of the carboxymethyl cellulose fibers or composed of the carboxymethyl cellulose fibers and any one kind of calcium alginate fibers, chitin fibers, chitosan fibers and modified chitosan fibers, wherein the content of the carboxymethyl cellulose fibers is 1%-95% of the weight of the non-woven fabrics. The invention further provides non-woven fabrics which are composed of the carboxymethyl cellulose fibers and any two kinds of the calcium alginate fibers, the chitin fibers, the chitosan fibers and the modified chitosan fibers, wherein the content of the carboxymethyl cellulose fibers is 1%-95% of the weight of the non-woven fabrics, and the weight ratio of the any two kinds of fibers is 1:8-8:1. The non-woven fabrics are strong in hygroscopicity, strong in moisture retention, strong in oxygen permeability, and have good biological compatibility, and are convenient to use, and safe and non-toxic.

A high moisture, high fiber baked product is provided comprising a high moisture baked component, such as a bread component, comprising a crystalline polysaccharide of a type and amount effective to increase total dietary fiber content retention and reduce firmness as determined by penetration and compression force, of the high moisture baked component as compared to a similar baked product lacking the crystalline polysaccharide. Improved moisture retention can also be obtained. Bread doughs containing the selected crystalline polysaccharide materials and methods of making food products incorporating the dough are also provided.

This invention provides a sterol-modified silicone compound which is low melting, hydrophilic and very suitable for emulsifying, represented by the general formula R1aR2bSiO(4−a−b) / 2, and having a melting point of 40° C. or less, and provides a cosmetic material containing this silicone compound having excellent stability and moisture retention propertiesR1 in the general formula is a monofunctional alkyl group, aryl group, aralkyl group or fluorine-substituted alkyl group having 1–10 identical or different carbon atoms, which does not contain an aliphatic unsaturated bond, and R2 is an organic group represented by the general formula —(CpH2pO(CqH2qO)r—X, where X is a monofunctional residue excepting the hydroxyl group of sterol, a and b are integers satisfying the relations 1.0≦a≦2.5, 0.001≦b≦1.0, and 1.5≦a+b≦2.6, respectively, p is an integer in the range 2–6, q is an integer in the range 2–4, and r is an integer in the range 3–200.

The invention discloses a wound nursing dressing containing hyaluronic acid. The dressing comprises hyaluronic acid and salt thereof, and soluble silver salt effective ingredients, wherein the hyaluronic acid comprises high molecular weight hyaluronic acid and low molecular weight hyaluronic acid or oligomeric hyaluronic acid, wherein the high molecular weight hyaluronic acid is excellent in viscoelasticity, moisture retention and hydroscopicity, and the low molecular weight has a remarkable effect of promoting angiogenesis; the hyaluronic acids with two molecular weights both have multiple effects to wound healing, and have the effect of playing quick response and long action; and the soluble silver salt is stable in quality, has a good bacteriostatic effect, and plays a synergetic effect when being compounded with hyaluronic acids with high and low molecular weights. The dressing can be used for disinfection, anti-infection and healing acceleration of various skin wounds, ulcer and the like, and has a remarkable effect.

An oil-in-water emulsified composition suitable for external preparation for skin and cosmetic product, which comprised 0.1 to 5% by mass of (A) lipopeptide compound derived from a microorganism such as surfactin and its analogous compound, 0.05 to 1.5% by mass of (B) xanthan gum, 25 to 70% by mass of (C) oil component and (D) water, free from non-ionic surfactants and acrylic water-soluble polymers, and is excellent in feeling upon use, moisture retention, emollient property and stability as well as environmental suitability and safety for living organisms, and external preparation for skin and cosmetic product using the composition.

A gas diffusion electrode includes: an electrode catalyst layer 13; microporous layers 11 and 12 arranged on the electrode catalyst layer 13 and including at least two layers which are second and first microporous layers 12 and 11 formed of materials having different water repellencies, wherein the second microporous layer 12 disposed on the electrode catalyst layer 13 side is composed to have higher water repellency than the first microporous layer 11; and an oxidant gas diffusion substrate 10 disposed on the microporous layers 11 and 12 and formed of carbon fiber. According to the gas diffusion electrode of the present invention, drainability of generated water from the electrode catalyst layer to the gas diffusion layer and moisture retention and gas diffusibility of the electrode catalyst layer can be enhanced. Moreover, according to a solid polymer electrolyte fuel cell of the present invention, stable power generation characteristics can be obtained even under an operating condition with wide humidity range and current density range.

The invention relates to an application of an N-acetylneuraminic acid monomer or its hydrate in cosmetics. The N-acetylneuraminic acid monomer or its hydrate has the efficacies of moisture retention, whitening, inflammation eliminating, acne eliminating and ageing resisting. The N-acetylneuraminic acid monomer having a moisture retention efficacy can maintain water in skins; the N-acetylneuraminic acid monomer having a whitening efficacy can effectively inhibit the generation of melanin in skin cells; the N-acetylneuraminic acid monomer having inflammation and acne eliminating efficacies can accelerate the elimination of inflammations and acnes; and the N-acetylneuraminic acid monomer having an ageing resisting efficacy is an important component of glycoprotein on the cell membrane, and has substantial effects on intercellular adhesion and cell elasticity guaranteeing.

A woven or knit fabric comprising air-jet interlacing spun yarns comprising polyester fibers of low titanium oxide content; a woven or knit fabric comprising air-jet interlacing spun yarns comprising polyester staple fibers obtained by graft polymerization of a hydrophilic compound; a woven or knit fabric comprising air-jet interlacing spun yarns comprising side by side crimped staple fibers; a woven or knit fabric comprising air-jet interlacing spun yarns comprising low-shrinkage staple fibers and copolymerized polyester staple fibers; and a process for producing these. A woven or knit fabric of polyester staple fibers that is bulky, excelling in moisture retention, lightweightness, water absorptivity, quick dryability, etc. and exhibits excellent anti-pilling properties can be obtained.

The invention discloses a high-effective moisture-keeping sodium hyaluronate stock solution comprising a sodium hyaluronate, characterized in that the solution is composed of high molecular weight sodium hyaluronate with average molecular weight more than 2. 6 million Dalton and low molecular weight sodium hyaluronate with average molecular weight lower than 10 thousand Dalton which are mixed by proportion, wherein, the high molecular weight sodium hyaluronate with average molecular weight more than 2. 6 million Dalton is of 0. 1 to 0. 5 parts by weight, the low molecular weight sodium hyaluronate with average molecular weight lower than 10 thousand Dalton is of 0. 5 to 1. 0 parts by weight, the rest is 100 parts of distilled water, the distilled water. especially can be chose for double distilled waters. The high-effective moisture-keeping sodium hyaluronate stock solution provided by the invention can effectively permeate into a corium layer to promote blood microcirculation, be beneficial to nutrient substance absorption of the skin, with beautification anti-wrinkle health care action; the high-effective moisture-keeping sodium hyaluronate stock solution provided by the invention has strong flexibility and wetting property, can be coated on the skin surface to form a layer of moisture-keeping ventilated membrane for keeping the skin nourishing, moistening and glossy.

Methods for making dry protein powder or aqueous functional protein suspension compositions which provide increased moisture content and moisture retention in meats and other animal muscle tissue-based products have been developed. An important aspect is the use of alkali rather than an acid or a series of acid and alkaline treatments to dissolve the protein in the starting material. This includes both muscle and connective tissue proteins and fats, yielding a product in higher yield than acid based and other processes in which fat and connective tissue is removed and then only the remaining muscle dissolved in the acid. The connective tissue and fat increases water retention in meat into which it is injected, as compared to meat extracts containing only muscle proteins.

The invention relates to a Chinese chestnut biological antistaling agent which comprises the following components in parts by weight: 5-15 parts of chitosan, 0.5-1.5 parts of tea polyphenol, 0.5-1.5 parts of phytic acid and 1.5-2.5 parts of potassium sorbate. The Chinese chestnut biological antistaling agent has the advantages of no toxicity and taste and low cost, and also has excellent dispersibility, moisture retention, and film formation and antibiotic property. Repeated experiments in multiple years prove that the Chinese chestnut processed by the Chinese chestnut biological antistaling agent has quality guarantee period prolonged 4-8 times compared with the Chinese chestnut unprocessed by preservation, can be preserved for 1-2 years under normal temperature, and has no remarkable change on the appearance and the taste, no mildew and no pests. If being combined with the cold storage technology, the Chinese chestnut biological antistaling agent can ensure that the Chinese chestnut has longer quality guarantee period.

The invention relates to a high water retention concrete curing agent. The high water retention concrete curing agent is prepared by the following components in weight percentage: 77 to 92 percent of high molecular polymer emulsion, 1 to 7 percent of film forming auxiliary agent, 5 to 20 percent of powder filler and 0.2 to 0.7 percent of dispersing agent; the high water retention concrete curing agent penetrates concrete by the high penetration action of nano materials to block concrete pores, so that the concrete has the high water retention capability, and the aim of curing the concrete is achieved; when the invention is sprayed on the concrete surface, a dense closing film is formed on the surface and can prevent moisture in the concrete from evaporation.

The invention provides a prebiotics deodorant finishing liquor for wet tissues. The finishing liquor comprises the following components in total 100 parts by mass: 0.5-3 parts of surfactant, 0.01-3 parts of oligosaccharide, 0.001-1 part of preservative, 0.01-0.5 part of auxiliary, 0.01-1 part of stabilizer, 0.01-3 parts of functional additive and the balance of RO water. The invention also provides a preparation method of the finishing liquor and application in one-off hygienic products, in particular wet tissues. The prebiotics deodorant finishing liquor for the wet tissues, provided by the invention, has the following advantages that: by using the surfactant in the wet tissue finishing liquor, the dirt in the pores is dissolved and easily emulsified by water so that the skin is cleaned in deep layer and moisturizing effect is obtained; under the effect of the oligosaccharide, the wet tissue finishing liquor has special effects of natural antibacterial effect and probiotic nutrition; and the functional additive is added to the wet tissue finishing liquor so that better moisture retention, tenderness, no irritation and green environment protection are obtained.

The invention relates to a modified pearl cherry vitamin C sleeping mask. The preparation method of the sleeping mask comprises the following steps: heating nanometer pearl powder to activate, reacting with surfactant to prepare modified nanometer pearl powder, dispersing the modified pearl powder in aqueous phase through turbine stirring, dissolving sodium hyaluronate, glyceryl polyether and butanediol in water, fully stirring, heating, then adding the components of the formula such as Tween-20, isononyl isononanoate and cetearyl alcohol in a pan, stirring to homogenize, cooling to about 45 DEG C, and adding additives, essence, preservative and the like in turn to prepare the modified pearl cherry vitamin C sleeping mask. In the sleeping mask of the invention, the surfactant reacts with the surface hydroxyl groups of the nanometer pearl powder so that the affinity of pearl powder to organic medium is increased and the detects of the nanometer pearl powder that the specific area is large and the nanometer pearl powder is easy to agglomerate and is hydrophilic and oleophobic can be overcome; and cherry vitamin C and nutrient components with permeability and moisture retention capacity are also used, thus the moisture and nutrient components in the mask of the invention can completely permeate the skin during sleep and the state of the skin can be improved intensively.