197results about How to "Stop aging" patented technology

The present invention relates to injecting a cycline compound into a diseased intervertebral disc.

The invention provides human umbilical cord mesenchymal stem cell exosome type external cream and a preparation method thereof, and aims at the solving the problem in effectively inducing human umbilical cord mesenchymal stem cells to massively synthesize and secrete mesenchymal stem cell exosome capable of specifically promoting epidermis cell and hypodermal cell to proliferate, divide and differentiate, promoting the formation of collagenous fibers, reticular fibers and elastic fibers, and adjusting the secreting functions of collagen and mucopolysaccharide. The cream comprises human umbilical cord mesenchymal stem cell exosome extracting liquid and a base cream formula based on the mass ratio ranging from (1:20) to (3:10), wherein the human umbilical cord mesenchymal stem cell exosome extracting liquid is prepared by performing hungry culture on P2-P5 generations of human umbilical cord mesenchymal stem cells and stimulating through epidermal growth factors. The prepared cream has the effects of improving the skin quality, resisting the aging of skin cells, recovering the normal structure and physiological function of the skin, reducing the skin atrophy exsiccosis, and moisturizing the skin tissue.

The invention relates to the technical field of PVC (Polyvinyl Chloride) materials, and in particular relates to a low-temperature-resistant flame-retardant PVC material as well as a preparation method and application thereof. The low-temperature-resistant flame-retardant PVC material comprises the following raw materials in parts by weight: 50-100 parts of PVC resin, 40-100 parts of a plasticizer, 10-30 parts of a flame retardant, 5-30 parts of a low-temperature modifier, 1-5 parts of a heat stabilizer, 0.5-5 parts of a compatilizer and 0.02-0.1 part of an antioxidant. According to the PVC material disclosed by the invention, the previous raw materials are adopted, the weight ratio of the various raw materials is strictly controlled, the prepared PVC material has excellent low temperature resistance, the glass transition temperature of less than -50 DEG C, excellent flame retardant effect and high strength, also has excellent flexibility at the temperature -60 DEG C (the elongation at break at the temperature -60 DEG C and the change rate under the normal temperature condition do not exceed + / -25), and is excellent in overall performance.

The invention relates to the technical field of electrostatic film, and in particular, relates to a polyvinyl chloride electrostatic film and a preparation method thereof, wherein the polyvinyl chloride electrostatic film comprises the following raw materials in parts by weight: 80-120 parts of PVC resin, 46-73 parts of a plasticizer, 1-3 parts of a heat stabilizer, 3-7 parts of an anti-electrostatic agent, 0.3-0.7 part of a gelatinizing agent, 0.02-0.03 part of a pigment powder, and 0.1-0.3 part of other auxiliary agents. The polyvinyl chloride electrostatic film has high electrostatic resistance, has high anti-electrostatic effect and protection functions, has high self-adhesive performance, and has excellent stable performance under high temperature conditions; the polyvinyl chloride electrostatic film also has the advantages of being ultra thin, tough, transparent, self-adhesive, good in transparency, small in watermarks and the like, has fewer crystal points and low-temperature resistance, and has excellent comprehensive performance.

The invention relates to the technical field of high polymer materials, in particular to a laser markable high-shading polyester composite material for an LED (Light Emitting Diode), and a preparation method thereof. The laser markable high-shading polyester composite material for the LED comprises the following raw materials in parts by weight: 40-60 parts of polyester, 15-20 parts of glass fiber, 15-20 parts of main fire retardant, 3-5 parts of auxiliary fire retardant, 4-8 parts of flexibilizer, 0.1-0.2 part of antioxidant, 10-15 parts of opacifier, 0.3-1.0 part of laser marking powder and 0.5-1.0 part of other accessory ingredients. The laser markable high-shading polyester composite material for the LED has the advantages of good shading effect, good anti-flaming effect, good temperature tolerance and weather fastness, high intensity, excellent shock resistance, good processability and excellent overall performance, can be used for laser marking and can pass a high and low temperature (40DEG C below-120DEG C) impact test.

The invention relates to a solar cell encapsulating EVA (ethylene vinyl acetate copolymer) adhesive film with high light transmittance. The solar cell encapsulating EVA adhesive film is characterized in that the thickness of the EVA adhesive film is 0.8 mm-1.1 mm, and the EVA adhesive film is prepared from raw materials in parts by weight as follows: 100 parts of EVA resin, 0.5-2.5 parts of a plasticizer, 0.1-0.3 parts of a photoelectric conversion rate enhancer, 1-4 parts of an anti-aging agent, 1.5-2.5 parts of a blocking agent, 1-2 parts of a dispersing agent, 1-3 parts of a coupling agent and 1-3 parts of a cross-linking agent. Firstly, the raw materials are added to a mixer proportionally and mixed into uniform components, the components are subjected to melt mixing by a banbury mixer and then subjected to extrusion and pelletizing, and the EVA adhesive film is obtained. According to the prepared EVA adhesive film, the light transmittance of the adhesive film is not influenced and the mechanical properties are greatly improved while properties and photoelectric conversion efficiency of the adhesive film are improved with addition of multiple additives.

The invention relates to an antibacterial formaldehyde scavenger used in an automobile. The scavenger is prepared from the following components in parts by weight: 10-50 parts of hawthorn seed extracting solution, 10-20 parts of radix angelicae extracting solution, 5-15 parts of pomegranate peel extracting solution, 1-5 parts of cananga odorata essential oil, 1-5 parts of lavender essential oil, 1-5 parts of clove essential oil, 10-20 parts of absolute ethyl alcohol, and 30-50 parts of water. The antibacterial formaldehyde scavenger has no chemical substances harmful to human bodies such as chlorine, but has multiple components beneficial to human bodies such as plant flavones, organic acid, amino acid, bio-enzyme and the like, thus being capable of well eliminating the formaldehyde in the automobile; the scavenger is used through spraying and is simple to use; the scavenger is not harmful to human health but is beneficial to human bodies after being inhaled; the cananga odorata essential oil and the absolute ethyl alcohol have good sterilizing and antibacterial effects, can improve the quality of the air in the automobile, and can purify the air, so that the scavenger has the advantages of having no toxicity and pollution, having good effect in eliminating the formaldehyde, having no stimulation to human bodies, being suitable for long-term use, having no secondary pollution, and being capable of resisting bacterium and eliminating peculiar smell.

The invention relates to the technical field of polyurethane elastomers and particularly relates to a low-smoke halogen-free flame-retarding ceramizable thermoplastic polyurethane elastomer composite material, a preparation method and an application thereof. The composite material comprises, by weight, 25-85 parts of thermoplastic polyurethane, 10-70 parts of a halogen-free flame retardant, 1-10 parts of a smoke inhibitor, 20-80 parts of a ceramization powder, 0.5-5 parts of a compatilizer, 0.02-0.1 parts of an antioxidant, and 0.02-0.1 parts of a hydrolysis inhibitor. The thermoplastic polyurethane elastomer composite material has excellent flame-retarding effect, low smoke density, high strength, good flexibility and high break elongation, can form a compact ceramized product at the temperature range of 600-1000 DEG C, is low in ceramization temperature and can form compact ceramic. The formed ceramized product has high high-temperature strength and anti-heat-flow-impact capability.

The invention relates to the technical field of color masterbatches and specifically relates to an antistatic and antibacterial color masterbatch and a preparation method thereof. The color masterbatch is prepared from the following raw materials in parts by weight: 48-63 parts of polypropylene resin, 19-36 parts of toner, 2-7 parts of dispersant, 0.5-1.5 parts of antistatic agent and 0.5-1.5 parts of antibacterial agent, wherein the polypropylene resin is metallocene polypropylene of which the melt index is 5-25g / 10min and the density is 0.886-0.924g / cm<3>; the antistatic agent is a mixture of octadecylamine polyoxyethylene ether, dodecylamine polyoxyethylene ether and monoglyceric stearate in the weight ratio of (0.5-1.5) to 1 to (2.4-3.2); the antibacterial agent is a mixture of silver-loaded zeolite and silver-loaded cobalt phosphate in the weight ratio of (1.5-2.5) to 1. The antistatic and antibacterial color masterbatch is good in antistatic effect, and has a relatively high safety coefficient, good antibacterial function and low harm.

The invention relates to the technical field of cable materials, and in particular relates to a flame-retardant thermoplastic polyurethane (TPU) cable sheathing material with an electromagnetic shielding function and a preparation method of the TPU cable sheathing material. The TPU cable sheathing material comprises the following raw materials in parts by weight: 25-85 parts of thermoplastic polyurethane, 5-45 parts of graphene, 5-35 parts of a flame retardant, 0.5-5 parts of a compatibilizer, and 0.02-0.1 part of an antioxidant. The TPU cable sheathing material provided by the invention has the electromagnetic shielding function, the shielding effectiveness (SE) value can reach 17-50 db, and the flame-retardant effect is excellent; and a single vertical burning test can reach a V0 level,the strength is high, the tensile strength can reach 25.2 MPa or more, the flexibility is good, the elongation at break is high and can reach 405% or more, and the mechanical properties are excellent.

The invention belongs to the technical field of cosmetics, and discloses a dry-type film containing antibacterial peptide and an epidermal growth factor, as well as a preparation method and application. The dry-type film mainly comprises the following active ingredients by weight percentage: 0.05-2.0% of antibacterial peptide, 0.001-0.2% of the epidermal growth factor, 0.01-0.4% of sodium hyaluronate, 0.05-1.0% of dipotassium glycyrrhizinate, 0.05-2.0% of sericin powder and 0.02-1.0% of Beta-glucan. The preparation method comprises the following steps: preparing dry film essence; spraying the dry film essence onto a dry film active ingredient carrier; stoving; packaging. Since the dry-type film does not contain moisture, the growth of fungi is inhibited; chemical preservatives are avoided, the side effect is reduced, and the dry-type film is safe, environment-friendly and long in guarantee period; the weight of a single dry-type film is reduced by 70-85%, and the dry-type film is low in transportation cost, convenient to carry and convenient to use.

The invention relates to the technical field of PVC materials, and concretely relates to an anticorrosive PVC modified material and a preparation method thereof. The anticorrosive PVC modified material comprises, by weight, 80-120 parts of PVC resin, 50-70 parts of a plasticizer, 20-30 parts of a filler, 4-8 parts of an impact modifier, 3-5 parts of a heat stabilizer, 1-2 parts of a synergistic agent, 0.6-1.0 part of a lubricant and 0.3-0.7 parts of an antioxidant. All performances of the anticorrosive PVC modified material prepared through strictly controlling the weight ratio of all above raw materials exceed national stands, and the anticorrosive PVC modified material has the advantages of good anticorrosion effect, environmental protection, excellent temperature and weather resistance, high strength, excellent impact resistance, good flame retardation effect, excellent processing properties and excellent comprehensive performances.

The invention discloses a preparation method and application of fast cooked anti-aging instant grain rice, and belongs to the technical field of food processing. The method provided by the invention comprises the following steps: soaking, steaming food grains and carrying out microwave drying treatment on the food grains by taking pretreated polished round-grained rice as a raw material and food grains as an auxiliary material, carrying out auxiliary soaking treatment by utilizing ultrasonic waves, steaming after treatment, dispersing by utilizing a dispersing liquid after steaming, filling quantitatively after dispersing, and finally carrying out steaming sterilization so as to obtain a finished product. The method provided by the invention can be used for solving the problems of dry and hardened rice and the like due to food grain starch aging and preventing the problem of decreasing of the quality of food grains in the sales and storage processes, and the fast cooked anti-aging instant grain rice is prepared and is suitable for industrial popularization and application.

The invention discloses a multi-injection molding process one-time molding method for a high-toughness home appliance panel. The multi-injection molding process one-time molding method is characterized by comprising the following steps of preparing materials for injection molding; inputting relative parameters of the four-stage injection molding process on a control panel of an injection molding machine; pushing a manual / automatic change-over switch on an electric control cabinet to the automatic position; inputting location parameters and pressure holding parameters of a screw rod on a touchinput screen when completion of filling meeting process switching conditions; closing a safety door of the injection molding machine, pressing an on / off switch in an on position to start the injectionmolding machine; and opening a mold and taking out workpieces after completion of injection molding. According to the multi-injection molding process one-time molding method, the injection molding machine is controlled by a PLC to conduct regulation to adopt different injection molding processes at different injection molding stages according to data stored from the control panel of the injectionmolding machine. Meanwhile, compared with a bonded panel, the panel manufactured through multi-injection molding one-time molding has the good integrity and toughness and is not likely to get bent and fall off.

The invention discloses an automobile rubber protecting agent and a manufacturing method thereof. The automobile rubber protecting agent comprises the following components, by mass, 50-80% of a C8-13 aryl-free alkane, 1-10% of silicone oil, 1-10% of a silicone resin, 0.1-1% of a wetting agent, 0.05-1% of an antioxidant, 0.1-0.5% of a light stabilizer, and 20-40% of a deodorized liquefied petroleum gas. The manufacturing method comprises the following steps: 1, adding silicone oil, the silicone resin, the wetting agent, the antioxidant and an ultraviolet ray absorbent to a solvent; 2, uniformly stirring, pittng an obtained solution into an aerosol can after the complete dissolving, and 3, finally charging the deodorized liquefied petroleum gas into the aerosol can to obtain the automobile rubber protecting agent of the invention. The automobile rubber protecting agent of the invention allows the erosion of oxygen, ozone, light, heat, acid rain and the like to rubber members to be obstructed, the rubber hardening and aging to be prevented, the service time of the rubber members to be prolonged, and oil stains adhered to the rubber surface to be cleaned, so the rubber surface looks like new.

The invention relates to the technical field of color master batches, particularly an ultraviolet-resistant oxidation-resistant color master batch and a preparation method thereof. The color master batch is prepared from the following raw materials in parts by weight: 45-60 parts of polypropylene resin, 37-49 parts of toner, 2-7 parts of dispersing agent, 0.5-1.5 parts of antioxidant and 0.1-0.5 part of ultraviolet-resistant agent. The polypropylene resin is a mixture composed of a polypropylene resin reclaimed material and a polypropylene fresh material in a weight ratio of 1:(4-6). The antioxidant is a mixture composed of an antioxidant 1010 and an antioxidant 168 in a weight ratio of 1:(1-2). The ultraviolet-resistant agent is a mixture composed of 4-benzoyloxy-2,2,6,6-tetramethylpiperidine and 2-hydroxy-4-n-octyloxydiphenyl ketone in a weight ratio of 1:(1.8-2.6). The color master batch has the advantages of favorable ultraviolet resistance, favorable oxidation resistance, small influence on mechanical properties of plastic products, and long service life.

The invention discloses a fullerene ethylenediamine nitrate as well as a preparation method and an application thereof. Firstly, fullerene C60 and ethylenediamine are taken as raw materials, fullerene ethylenediamine is prepared by the aid of a nucleophilic addition principle, and the fullerene ethylenediamine reacts with nitric acid so that the fullerene ethylenediamine nitrate is obtained. The fullerene ethylenediamine nitrate has the advantages of oxidant ammonium nitrate (AN), can avoid disadvantages of hygroscopicity, and crystal transformation of AN, and can be used as an oxidant to be applied in a novel solid rocket propellant or explosive.

The invention relates to a formaldehyde remover prepared from the following components in volume ratio: 10-50 parts of Chinese hawthorn seed extracting solution, 10-20 parts of radix angelicae extracting solution, 5-15 parts of golden cypress extracting solution, 1-5 parts of cananga odorata essential oil, 1-5 parts of tea tree essential oil, 1-5 parts of aloe essential oil, 10-20 parts of absolute ethyl alcohol and 30-50 parts of water. The formaldehyde remover contains no chemical substances such as aldehydes, chlorines and the like harmful to human bodies, contains various components such as plant flavonoid, organic acid, inorganic salt, amino acid, biological enzyme and the like beneficial to the human bodies, can well neutralize formaldehyde in air, is simple in using method because of being used through spraying, and is harmless to the human bodies and beneficial to the human bodies after being absorbed by the human bodies; in addition, the formaldehyde remover has sterilizing and disinfecting effects, can be used for improving indoor air quality and purifying air, and has the advantages of no toxicity, no pollution, good formaldehyde removing effect, no stimulation to the human bodies, suitability for long-term use and no secondary pollution.

The invention relates to the technical field of color masterbatches, and in particular relates to a highly cold-resistant and toughening color masterbatch and a preparation method thereof. The color masterbatch comprises the following raw materials in parts by weight: 45-61 parts of polypropylene resin, 32-53 parts of toner, 2-7 parts of a dispersing agent and 1-5 parts of a cold-resistant and toughening agent, wherein polypropylene is a mixture of co-polypropylene and homo-polypropylene which are in a weight ratio of 1 to 1.4-2.2, and the cold-resistant and toughening agent is a mixture of an amide Beta crystal form nucleating agent and a dicarboxylate Beta crystal form nucleating agent which are in a weight ration of 1 to 1.2-1.8. The highly cold-resistant and toughening color masterbatch has an obvious toughening effect and higher impact strength at a low temperature of -20 DEG C than normal temperature; in addition, the rigidity of the highly cold-resistant and toughening color masterbatch is improved obviously at normal temperature; the addition of the color masterbatch is small; the color masterbatch is convenient and flexible to use and add. The preparation method of the color masterbatch and materials provided by the invention are used together so that the materials can take full effect; the process is simple and convenient to operate and control; the quality is stable, the production efficiency is high, and large-scale industrial production can be realized.

The present invention relates to a method for the improvement of skin wrinkles using retinal retaliate.

The invention is concerned with the skin care compound medicine for scar restoration. It contents: metallothionein 50-200ppm, epidermal growth factor 5-60 thousands international unit / 30ml, one or more types of additional skin care liveness materials and carriers are acceptable by skin. The invention boots up the speed of skin restoring, reduces scar and mark of burns, scald.

The invention relates to the technical field of cable materials, and in particular relates to a flame-retardant thermoplastic polyurethane (TPU) cable sheathing material with an electromagnetic shielding function and a preparation method of the TPU cable sheathing material. The TPU cable sheathing material comprises the following raw materials in parts by weight: 25-85 parts of thermoplastic polyurethane, 5-45 parts of carbon nanotubes, 5-35 parts of a flame retardant, 0.5-5 parts of a compatibilizer, and 0.02-0.1 part of an antioxidant, wherein the carbon nanotubes are surface-acidified single-walled carbon nanotubes or multi-walled carbon nanotubes. The TPU cable sheathing material provided by the invention has the electromagnetic shielding function, the shielding effectiveness (SE) value can reach 17-50 db, and the flame-retardant effect is excellent; and a single vertical burning test can reach a V0 level, the strength is high, the tensile strength can reach 25 MPa or more, the flexibility is good, the elongation at break is high and can reach 400% or more, and the mechanical properties are excellent.

The invention relates to a special-purpose formaldehyde scavenging agent for an air purifier. The special-purpose formaldehyde scavenging agent is prepared from the following components in parts by volume: 10-50 parts of kernel extracting liquor, 10-20 parts of radix angelicae extracting liquor, 5-15 parts of pomegranate bark extracting liquor, 5-20 parts of rhizoma cyperi extracting liquor, 1-5 parts of reed rhizome extracting liquor, 1-10 parts of extracting liquor of bark of white mulberry root, 0.5-5 parts of cananga odorata essential oil, 0.5-10 parts of tea tree essential oil, 1-15 parts of propylene glycol, 10-30 parts of absolute ethyl alcohol and 30-50 parts of water, wherein the kernel extracting liquor is at least one of hawthorn kernel extracting liquor, peach kernel extracting liquor and apricot kernel extracting liquor. The special-purpose formaldehyde scavenging agent does not contain substances including chlorine and the like which are harmful to a human body, contains various components including plant flavonoid, organic acid and the like which are beneficial to the human body, is strong in pertinence of scavenging the formaldehyde, quick in speed, and specially used for the air purifier, thereby strengthening immunity of a user, killing bacteria and viruses in air and improving air quality. Besides, the special-purpose formaldehyde scavenging agent has the advantages of being nontoxic, harmless, good in formaldehyde scavenging effect, free of stimulus to the human body, suitable for long-term use, incapable of causing secondary pollution, and capable of preventing bacteria and eliminating peculiar smell.

The invention belong to the technical field of microbial winemaking, and aims to solve problem that the conventional miscellaneous grain crop liquor is single in varieties, simple in taste, bitter in taste, and pale in aroma, and cannot meet mass consumer tastes. An amaranthus hypochondriacus miscellaneous grain crop health liquor and a making method thereof are provided to improve the edibility of the amaranthus hypochondriacus. The amaranthus hypochondriacus miscellaneous grain crop health liquor is made by pulverizing amaranthus hypochondriacus leaves, black bean, rye, bitter buckwheat, oat, coix seeds and millet, cooking the pulverized mixture, performing fermentation mixed with yeast, performing mixing distillation, and the like. The amaranthus hypochondriacus miscellaneous grain crop health liquor provided by the invention is bright in color, mellow and soft in taste, and unique in taste, has lots of nutritional ingredients and mellow and soft taste, and can meet double requirements of consumers on nutrition and taste; the liquor contains flavonoid compounds, so that oxygen free radicals in a body can be effectively removed, the antioxidant capacity of the liquor is ten times higher than that of the Vitamin E, the degeneration and aging of cells can be prevented, the occurrence of cancer can be prevented, and the immunity of the body can be enhanced; the liquor has an effect of reducing blood fat, blood pressure and blood sugar.

The invention discloses a recovery liquid and a recovery method for cryopreserved epidermal stem cells. According to the key point of the technical scheme, the recovery liquid is prepared from the following components in parts by weight: 20-25 parts of carbohydrates, 0.06-0.08 part of epidermal growth factors, 0.06-0.08 part of alkaline fibroblast growth factors, 0.01-0.02 part of polylysine, 0.01-0.02 part of glial cell line derived neurotrophic factors, 0.1-0.25 part of trypsin and 10-15 parts of fetal calf serum. According to the technical scheme, good recovery effect of the epidermal stem cells is achieved, and the growth environment of the epidermal stem cells is relatively proper.

The invention relates to the technical field of PVC (Polyvinyl Chloride) materials, in particular to a PVC (Polyvinyl Chloride) modifying material for curtains and a preparation method thereof. The PVC modifying material for the curtain is prepared from the following raw materials in parts by weight: 80 to 120 parts of high-polymerization-degree PVC resin, 45 to 65 parts of plasticizer, 5 to 15 parts of ground calcium carbonate, 10 to 15 parts of light calcium carbonate, 2 to 4 parts of stabilizer, 1 to 3 parts of water-proofing agent, 0.5 to 1.5 parts of modifying agent, 0.6 to 1.0 part of anti-ultraviolet agent, 0.3 to 0.7 part of antioxidant, 0.3 to 0.7 part of anti-blushing agent and 0.4 to 0.8 part of outer lubricant. The PVC modifying material for curtains disclosed by the invention has the advantages of good water-proofing and anti-aging effects, environmental friendliness, excellent temperature resistance and weather resistance, high strength, excellent impact resistance, good flame retarding effect, excellent machining performance and superior comprehensive performance.

The invention relates to the technical field of floor mats, in particular to an anti-ultraviolet and anti-oxidation floor mat and a preparation method thereof. The anti-ultraviolet and anti-oxidation floor mat includes a PVC base material layer and a silk braided layer attached to the upper surface of the PVC base material layer. The PVC substrate layer includes the following raw materials in parts by weight: 85-105 parts of PVC resin, 30-40 parts of plasticizer, 20-30 parts of filler, 3-7 parts of stabilizer, 4-8 parts of impact modifier 0.5-1.5 parts of anti-ultraviolet agent, 0.5-1.5 parts of antioxidant, 1.0-1.4 parts of lubricant. The anti-ultraviolet and anti-oxidation floor mat of the present invention has good anti-ultraviolet and anti-oxidation effects, is environmentally friendly and non-toxic, has good strength, toughness and flame retardancy, and has excellent comprehensive performance.

The invention discloses a skin protection and appearance nourishment liquid and a preparation method thereof. The skin protection and appearance nourishment liquid is prepared from the following constituents by parts: 20-25 parts of pearl powder, 15-35 parts of Chinese angelica root, 15-30 parts of the root of red-rooted salvia, 40-50 parts of folium mori, 20-25 parts of hydrocotyle centella, 10-20 parts of purified water, 20-25 parts of aloe and 15-20 parts of honey. The skin protection and appearance nourishment liquid is scientific in preparation, simple in process and remarkable in use effect, and comprises water and natural plant effective essence as the main constituents; owing to the extraction and concentration effects of alcohol, the experiment proves the fact that the product does not deteriorate or discolor within one year.

The invention relates to an anti-contamination skin care composition and a cosmetic. The anti-contamination skin care composition comprises a substrate and the following components by weight percent:1.5-3% of chlorella extract, 2-6% of trehalose, and 1-3% of dimethyl methoxy chromanol. The anti-contamination skin care composition effectively forms an anti-contamination barrier for the skin, the tolerance of an irritant of the skin is improved, the PM2.5 of the skin is deeply removed, the oxidation resistance of the skin is improved, the cell and the DNA damage are repaired, and the anti-contamination skin care composition can resist the skin injury caused by ultraviolet light.

The invention relates to the technical field of agrocybe aegerita culture, particularly an agrocybe aegerita culture bag and a preparation method thereof. The culture bag is prepared from the following raw materials in parts by weight: 20-80 parts of polyethylene, 20-40 parts of polypropylene, 8-12 parts of compatilizer, 8-12 parts of toughener, 5-10 parts of heat-resistance modifier, 5-10 parts of impact modifier, 10-20 parts of flame retardant, 1-2 parts of initiator, 1-2 parts of polymerization inhibitor, 0.5-1.5 parts of lubricant and 0.5-1.5 parts of antioxidant. The agrocybe aegerita culture bag has favorable toughness and high-temperature resistance, can be attached to the culture medium at any time, and can not separate. The sterilization temperature can be enhanced to 118 DEG C. The preparation method has the advantages of simple technique, stable quality and high production efficiency, is convenient for operation control, and can implement large-scale industrial production.