139results about How to "Achieve antioxidant" patented technology

The invention relates to a metal surface modification method. The invention first obtains a textured surface with a certain surface roughness value on the surface of a material by an electron beam texturing method, forms uniform tiny pits, and increases the bonding strength of the interface; then uses plasma The spraying process uses Co-based alloy or Ni-based alloy powder as the material to form a coating; finally, laser remelting technology is used to remelt the coating surface to improve the surface structure of the coating and improve the surface performance. Compared with the existing technology, this process can realize high temperature resistance, corrosion resistance, oxidation resistance, and fatigue resistance, and has high bonding strength, and the coating structure is uniform and compact, thereby greatly broadening the application range.

The invention discloses mesona chinensis benth series drinks and a preparation method thereof, wherein the method takes mesona chinensis benth as main material to prepare mesona chinensis benth herbal drink, mesona chinensis benth gelatine powder, hot grass jelly electuary and immortal grass tea with milk through the processes of boiling extraction, concentration and the like. Compared with the existing mesona chinensis benth drinks, the product has the effects of cooling, lowering fire and relieving restlessness, has simple and convenient carrying, convenient drinking, and simple ingredients without incompatibility, reduces precipitation and impurities, and retains the special flavour of vegetable material as much as possible, and also has lower cost, exact efficacy, simple production process and easy operation and control, thus ensuring the product quality and being applicable to large-scale production.

The invention relates to a composition capable of enhancing the durability and relieving the fatigue and a preparation method of the composition. The composition is prepared from the following components: malto-oligosaccharide, isomaltulose, sodium chloride, potassium chloride, fruit powder, citric acid, flavoring essence, paullinia cupana extract, green tea extract and L-carnitine tartrate. According to the composition provided by the invention, several substances are added so that the energy and the durability are enhanced; meanwhile, fat metabolism is assisted and symptoms of sports fatigues and the like are alleviated; and the composition has a plurality of functions, is convenient to carry, easy to store and delicious and palatable, and can be favored by body-building fans.

The invention discloses anti-cancer selenium-enriched soy sauce. In the anti-cancer selenium-enriched soy sauce, the amino acid nitrogen content is 0.70 to 0.75 g / 100ml; and the organic selenium content is 50 to 100 ug / kg. The anti-cancer selenium-enriched soy sauce is prepared by the following steps of inoculating aspergillus oryzae into raw materials comprising soybean and wheat to prepare yeast; adding saline into the yeast; fermenting; pouring oil in the completely fermented sauce paste; adding traditional Chinese medicine soup cooked by the organic selenium and a traditional Chinese composition to anti-cancer selenium-enriched soy sauce; or adding traditional Chinese medicine soup cooked by the traditional Chinese composition into the completely fermented sauce paste, inoculating salt-tolerance lactic acid bacteria and salt-tolerance saccharomycetes, performing secondary fermentation, pouring oil after the fermentation is finished, and adding the organic selenium to prepare the anti-cancer selenium-enriched soy sauce. The organic selenium and the traditional Chinese composition can enhance the anti-cancer effect; and the traditional composition has the effects of tonifying spleen, soothing the nerves, replenishing blood and tonifying qi.

The invention provides a multifunctional electrostatic spinning fiber dressing and a preparation method thereof, and belongs to the technical field of polymer medical materials. The fiber dressing isof a micro-nano structure, the electrostatic spinning method is adopted for spinning polymer materials with grafted functional groups into fiber, then, crosslinking is performed to obtain the fiber dressing, and the polymer materials have the function of stimulating macrophage transition. The invention further provides the preparation method of the multifunctional electrostatic spinning fiber dressing. The electrostatic spinning fiber dressing is obtained by grafting functional groups to polymer materials capable of promoting macrophage transition and then performing electrostatic spinning andcrosslinking, the fiber is soft and easy to fold and can well fit a superficial wound, a deep wound can also be filled with the fiber, and the fiber can achieve the multiple functions of stopping bleeding, resisting oxidation, resisting inflammation, resisting bacteria, promoting healing and reducing scars.

The invention relates to an anti-acne cosmetics composition and a facial mask containing the same. The anti-acne cosmetics composition and the facial mask mainly comprise the following components: dicotyledon medicinal cruciferae plant extract, pearl powder, sulfur, calamine, mint, borneol, a surfactant, a adhesive and other additives, have the advantages of high efficiency, safety, enduring efficacy and the like, are simple in preparation process, can effectively realize acne elimination and multiplex sterilization, can radically cure acne in a short time, and can be widely applied in the technical fields of cosmetology and medicine.

The invention provides a composition with whitening effect, which comprises a Thailand radix puerariae extract, a hamamelis extract and vitamin B, wherein the Thailand radix puerariae extract is a Thailand white kwao krua extract which at least contains puerarin, miroestrol and deoxymiroestrol, the content of the puerarin is more than or equal to 10.0mg / 100g, and the content of total flavonoids is more than or equal to 90.0mg / 100g (calculated as 100g of Thailand radix puerariae extract); the hamamelis extract is a hamamelis extracting solution containing about 14 percent of alcohol and a hamamelis distillate of hamamelis plants; and the vitamin B comprises any one of vitamin B2, vitamin B3, vitamin B5 and the like, or a composition thereof. The composition can achieve effects of whitening and protecting skin through scientific formula and mixture ratio; and the composition is prepared into whitening essence products, and the whitening essence products have the effects of whitening and protecting the skin, can be used as whitening products, and can also be added into different skin care products to play roles in whitening and protecting the skin.

The invention discloses adhesive tape used as a shielding cover and application of the adhesive tape. When used as the shielding cover, the adhesive tape is excellent in shielding effect, thin and light. The adhesive tape comprises a release layer, a conductive adhesive layer, a fiber layer, a conductive adhesive layer, a conductive base body layer and an anti-oxidization conductive coating which are sequentially connected. The thickness of the adhesive tape is 0.03-0.3 mm. The conductive base body layer is a copper foil layer, an aluminum foil layer, a conductive fabric layer or a stainless steel layer. The thickness of the conductive base body layer is 0.005-0.25 mm. The adhesive tape can achieve electricity conductivity, shielding, grounding, anti-oxidization, heat conductivity and the like at the same time.

The invention discloses nutritional skin cream, which is composed of 2-20% of blueberry extract, 5-15% of aloe gel, 3-10% of glycerinum, 0.5-1.5% of vitamin E, 0.1-1.0% of sodium hyaluronate, 1-3% of propylene glycol, 1-4% of caprylin, 0.05-0.1% of preservative, 0.05-0.1% of natural organic spice, 1-5% of amino acid wetting agent, and the balance of water. The nutritional skin cream disclosed by the invention has the good effects of moisturizing, nourishing skin and resisting oxidization; in the formula, the blueberry extract is capable of improving skin effect from interior of skin, improving skin immunity and increasing nutritional factors; the aloe gel is capable of inhibiting evaporation of water; the amino acid wetting agent is capable of adjusting skin water content, promoting skin regeneration and increasing skin elasticity, so that skin is moist and has gloss and elasticity; the moisture effect is obvious; the vitamin E is capable of effectively eliminating free radicals in skin; and simultaneously, the vitamin E is also capable of obviously inhibiting tyrosinase, and therefore, skin pigmentation is lightened.

The invention discloses a health care soft sweet containing spirulina water extract and a preparation method thereof, belonging to a health care food. The soft sweet is prepared from the following components in parts by weight in the following steps of: mixing 1.0-2.5 parts of gel, 10-20 parts of crane, 15-25 parts of glucose syrup, 0.1-0.5 part of potassium chloride, 0.05-0.1 part of essence and 55-70 parts of water and stirring by taking 0.05-0.5 part of spirulina water extract as functional raw material, wherein the gel can comprise 0.5-1.5wt% of carrageenan and 0.5-1.0wt% of locust bean gum. The soft sweet containing spirulina water extract, which is prepared from the components, has the health care functions on antioxidation, aging resistance, immunity improvement, ionizing radiation antagonism and the like, is especially suitable for monophagia patients with malnutrition, people with low immunity and people contacting with radiant matters, such as mobile phones, computers and the like for a long term.

The invention provides a preparation method of a carbon material high-temperature oxidation-resistant coating by coating and sintering. The method comprises the following steps: (1) brushing a slurry I on a cleaned carbon material surface; (2) continuing brushing a slurry II on the carbon material surface brushed with the slurry I in the step (1); (3) carrying out high-temperature sintering on the carbon material brushed with the slurry I and slurry II at 1300-1800 DEG C for 2-3 hours, and naturally cooling to room temperature; (4) repeating the brushing and sintering in the step (1) to step (3) 1-3 times; (5) carrying out seal treatment on the coating surface of the carbon material obtained in the step (4) by using ethyl orthosilicate; and (6) repeating the ethyl orthosilicate brushing and drying in the step (5) 1-4 times to obtain a seal layer on the coating surface of the carbon material. The method is simple to operate, has the advantages of short preparation period and high material utilization ratio, and can obviously lower the coating preparation cost.

The invention discloses a composite insulation board, comprising an inner wall plate, an outer wall plate and a heat-insulated combination layer, wherein the heat-insulated combination layer is fixedly arranged between the inner wall plate and the outer wall plate and comprises reinforcing ribs, a vacuum heat-insulating board, an inner protection layer and an outer protection layer; the inner protection layer and the outer protection layer are fixed at two sides of the vacuum heat-insulating board; the reinforcing ribs are respectively embedded into the inner protection layer and the outer protection layer; and the inner protection layer and the outer protection layer are respectively connected with the inner wall plate and the outer wall plate. The invention also discloses a refrigerated transport car using the composite insulation board disclosed by the invention and a manufacturing method of the composite insulation board. The vacuum heat-insulating board and a rigid polyurethane board are used together; comprehensive cold broken bridge treatment is carried out on inner and outer parts of the composite insulation board, so that the heat insulation and preservation performances are improved and the weight is light. The strength of the composite insulation board is improved by arrangement of a reinforcing layer, and the inner protection layer and the outer protection layer can effectively prevent the vacuum heat-insulating board from being punctured; therefore, the composite insulation board has a long service life, a broad market application and popularization prospects.

The invention discloses a composite functional liposome and a preparation method and application thereof. The composite functional liposome comprises the following components: granulesten, cholesterin, vitamin C and salicylic acid, wherein the mass ratio of the four components is 5-7:1.3-1.5:0.8-1.5:1. The method for preparing the composite functional liposome comprises the following steps of: dissolving the granulesten, the cholesterin and the salicylic acid in an organic solvent to obtain a mixture serving as oil phase; emulsifying the mixture and vitamin C-containing buffer solution which serves as water phase to form water-in-oil microemulsion; emulsifying the water-in-oil microemulsion and buffer solution to finally form water / oil / water multiple emulsion, wherein the emulsification process is completed by ultrasonication; and removing the organic solvent through decompression and distillation to obtain the composite functional liposome. The composite functional liposome has stable property, contains fat-soluble medicaments and water-soluble medicaments, exerts the effects of various medicaments to compound the functions of the liposome, is applied to cosmetics, improves the stability of the medicaments, and reduces the production cost.

The invention is applicable to the technical field of nutritional health-care food, and provides a skin beautifying composition based on a collagen structure, enzyme inhibition and oxidative stress as well as a preparation method. The skin beautifying composition comprises an anti-sugar and anti-aging component, an anti-enzyme activity component and an anti-oxidative stress component, wherein the anti-sugar and anti-aging component comprises 0.01-0.15 part of sodium hyaluronate and 1-5 parts of collagen peptide, the anti-enzyme activity component comprises 0.01-0.5 part of a pomegranate extract and 0.005-0.25 part of N-acetylneuraminic acid, and the anti-oxidative stress component is prepared from 0.06-0.3 part of a grape seed extract and 0.02-0.1 part of strawberry seed powder. The composition disclosed by the invention can improve skin problems such as external aging saccharification, wrinkles, dark skin color and melanin accumulation, continuously regulate biological metabolism of an internal body, enhance the activity of antioxidant enzyme, inhibit oxidative stress reaction, eliminate the level of active oxygen, prevent UV (ultraviolet) damage, increase cell viability and repair power, and protect the dermis layer to achieve the effects of skin whitening, oxidation resistance and aging resistance.

The invention discloses an autologous whole blood homogenate compound for reconstruction of an autologous skin epidermis protective screen. After the autologous whole blood is homogenized, under the synergetic effects of multiple bioactive substances and cell growth factors released by the autologous whole blood, the autoblood is effectively applied to epidermis repair and reconstruction of the skin protective screen, thereby giving better play to the maximum value and biological effects of the autoblood in autologous application; and because the autologous whole blood homogenate liquid plays a mutually cooperative protective effect with other auxiliary components and strengthens the compounding effect of the cell factors in epidermis reconstruction, the autologous whole blood homogenate liquid compound has good effects on epidermis repair and functional reconstruction of the epidermis protective screen, can improve the functional problems of the human skin protective screen in multiple aspects at different levels, restores the health of skin, and basically solves the functional problems of the epidermis protective screen. In addition, the preparation method disclosed by the invention is simple, convenient to operate, easy to learn and popularize, and suitable for medical cosmetology institutions with legal qualification for medical cosmetology.

The invention relates to an antioxidant composite and application thereof in facial mask liquid. The antioxidant composite adopts tuna collagen and antioxidant polypeptide as main antioxidant active components; by combining the tuna collagen with keratin polypeptide according to a limited proportion, the two components can achieve a synergistic effect and fully exert antioxidant activity. The facial mask liquid is natural, free of irritants, resistant to wrinkling and convenient to use, and the antioxidant composite has a broad market prospect on popularization of the antioxidant facial mask liquid.

The invention provides a skin-whitening anti-oxidation plant composition. The plant composition comprises the following components in percentage by mass: 15 to 50 percent of ligusticum wallichii, 10 to 40 percent of red paeony root, 10 to 35 percent of radix ampelopsis and 5 to 25 percent of mulberry leaf. The invention also provides skin-whitening anti-oxidation plant composition fermenting liquid as well as a preparation method and application thereof. The skin-whitening anti-oxidation plant composition provided by the invention performs reasonable compounding on the basis of the theory of traditional Chinese medicine and according to the compound principle of assistant and guide, so that the composite achieves the skin-whitening and anti-oxidation effects through synergistic interaction, and avoids irritation caused by the traditional chemically synthesized skin-whitening agent and antioxidant.

The invention relates to a SiC / SiC composite material surface coating system and a preparation method thereof. The preparation method comprises the following steps: 1, impregnating a SiC / SiC composite material substrate in a polyborosilazane solution, curing the impregnated substrate, drying the cured substrate, and pyrolyzing the dried substrate to obtain a SiC / SiC composite material substrate having a surface anti-oxidation film; 2, dispersing SiC nano-powder in a polycarbosilane and xylene mixed solvent to obtain a slurry, impregnating the SiC / SiC composite material substrate having the surface anti-oxidation film in the slurry, curing the impregnated substrate, drying the cured substrate, and pyrolyzing the dried substrate to obtain a SiC / SiC composite material substrate having a plugging layer; and 3, making a gradient anti-oxidation coating layer on the SiC / SiC composite material substrate having the plugging layer through adopting a chemical vapor deposition technology to obtain the SiC / SiC composite material surface coating system. The SiC / SiC composite material surface coating system has a good anti-oxidation property and a good stability, and ensures the reliability and the integral service life of an engine and an aircraft.

The invention relates to aloe flower extract and a preparation method thereof and in particular relates to moisturizing, anti-inflammatory, anti-oxidization and whitening aloe flower extract and a preparation method thereof. The aloe flower extract prepared by the preparation method is subjected to experiments including hyaluronidase activity inhibition, DPPH (1,1-diphenyl-2-picrylhydrazyl) free radical inhibition, reduction capability, tyrosinase activity inhibition and the like to prove the effects in moisturizing, repairing, anti-oxidization and whitening aspects; the aloe flower extract can be used for preparing moisturizing, anti-allergy, whitening and anti-ageing cosmetics and has the effects of increasing the hydration of skin and reducing irritation of external environment on skin,reducing injuries of free radicals on the skin, inhibiting the generation of melanin and helping the skin to recover a healthy state.

The invention discloses a skin care external use agent, which is prepared from the following ingredients in percentage by weight: 0.2 to 1.0 percent of astaxanthin, 0.2 to 2.0 percent of hesperidin extracts, 0.5 to 3.0 percent of lactoprotein, 0.2 to 2.0 percent of perilla herb extracts, 0.5 to 3.0 percent of resveratrol, 0.2 to 3.0 percent of motherwort herb extracts, 0.2 to 2.0 percent of peppercorn extracts, 2.0 to 10.0 percent of walnut oil, 2.0 to 10.0 percent of perilla seed oil, 2.0 to 10.0 percent of lavender oil, 0.2 to 3.0 percent of sodium hyaluronate, 0.2 to 2.0 percent of ginger root oil, 0.5 to 3.0 percent of serine, 0.05 to 0.5 percent of borneol (kapur), 2.0 to 10.0 percent of olive oil PEG-6 polyglycerol-6 esters and 35.5 to 89.05 percent of purified water. The invention also relates to a preparation method of the skin care external use agent. A water phase ingredient and an oil phase ingredient are respectively prepared; the two ingredients are mixed and emulsified toobtain the external use agent. The skin care external use agent uses natural ingredients; the damaged skin can obtain deep level restoration and care; the effects of whitening the skin, resisting oxidization, nourishing the skin, preserving the moisture, resisting allergy and enhancing the skin immunity are achieved.

The invention relates to the technical field of rice wine production and in particular relates to rice wine and a brewing method thereof. The rice wine is prepared by proportioning and combining green tea, black tea, rice wine starter, sticky rice, pseudo-ginseng, musk and seaweed; in combination with the restriction of process parameters in the preparation process, especially the process of adding the treated green tea, black tea, pseudo-ginseng, musk and seaweed to the semi-fermented glutinous rice, nutrient elements in the tea are appropriately combined with nutrient elements in the wine, and furthermore, a tea drinking effect also can be produced in the wine drinking process and the wine drinking health care effect can be enhanced.

The invention provides a repairing and aging resistance compound containing multiple plant extracts, a preparation method and application. The repairing and aging resistance compound containing multiple plant extracts is prepared from, by mass, 1%-10% of a moisturizing agent, 3%-10% of a repairing and aging resistance agent, 0.1%-5% of a preservative and the balance deionized water. The olive leafextract and the centalla asiatica extract are cooperatively used and can achieve a synergistic effect, the epidermal barrier capacity is effectively improved, the damaged skin is effectively repaired, and aging resistance is effectively improved. It is proved through an experiment result that cooperative use of the two extracts can achieve the best use effect.

The invention discloses spot-removing cream. The spot-removing cream is composed by the following raw materials: ceto-stearyl alcohol, dimethyl silicone oil, white mineral oil, caprylic / capric triglyceride, echium lycopsis oil, triclosan, vitamin E, water, glycerin, xanthan gum, an amino acid moisturizing agent, sodium hyaluronate, an anchoic acid derivative, paeonol, glabridin, propylene glycol and supguard GM-BP. In the formula of the spot-removing cream, the anchoic acid derivative and paeonol act collectively, thereby eliminating tingling caused by adopting the anchoic acid derivative individually, broadening blood capillary of skins, promoting blood circulation and enhancing defense capability of the skins; in combination with glabridin and vitamin E, activities of tyrosinase, hallachrome tautomerase can be inhibited, hyperpigmentation can be alleviated, and spot-restraining and skin whitening effects are enhanced; and the existence of the amino acid moisturizing agent and echium lycopsis oil allows the spot-removing cream to have the functions of moisturizing and resisting inflammation and anaphylaxis.

A preparation method for a kadsura coccinea fruit ferment beverage comprises the following steps: pretreating kadsura coccinea fruits, crushing pulp, juicing peel, and performing blending, sterilizingand fermenting to obtain the kadsura coccinea fruit ferment beverage. The kadsura coccinea fruit ferment beverage prepared by the preparation method is moderately sour and sweet; meanwhile, the special fruit fragrance of the kadsura coccinea fruits is reserved, and the active nutritional ingredients of the beverage are added; meanwhile, the beverage also has the effects of dispelling the effectsof alcohol, protecting liver and relaxing bowels; the effects of resisting oxidation, resisting bacteria, diminishing inflammation and removing body waste can be achieved; and a substance contained inthe kadsura coccinea fruits can inhibit melanin, whiten the skin, make the complexion brightened and uniform, and has better effects of beautifying and skin care.

The invention discloses an active packing material, a preparation method and application thereof, and belongs to the field of packing materials. The active packing material is prepared mainly through mixing main materials with an adhesive, and carrying out molding, wherein the main materials comprise the following components by mass percent: 30% to 60% of orange peel residues, 5% to 35% of indocalamus leaves, 5% to 30% of phyllostachys edulis and 5% to 25% of licorice extract; and the mass ratio of the main materials to the adhesive is 1 to (0.15 to 5). The preparation method comprises the steps of mixing the orange peel residues, the indocalamus leaves, the phyllostachys edulis and the licorice extract according to the mass percent to obtain the main materials, adding water into the main materials, pulping, and carrying out finish grinding to obtain main material slurry; adding the adhesive into the main material slurry, and stirring till uniform dissolution to obtain a mixture; and carrying out molding on the mixture to obtain the active packing material. The active packing material has antibacterial property, oxidation resistance, water absorption and water-retaining property, is easily decomposed after being discarded, and can be used for storing cold fresh meat.

The invention discloses a preparation method for a BOPET (biaxially oriented polyester) high-imitation metal wiredrawing VCM film. The method includes: conducting surface wiredrawing treatment on one side of a transparent BOPET film; coating one surface without surface wiredrawing treatment by a polyurethane UV curable paint, carrying out UV photo-curing and heat curing, and performing natural cooling to obtain a surface hardened coating; coating the surface subjected to surface wiredrawing treatment with a model SC-400 pre-aluminizing prime coat to obtain a fastness enhanced coating; conducting vacuum aluminizing processing on the fastness enhanced coating to obtain a vacuum aluminized layer; and coating the aluminized surface of the vacuum aluminized layer with a model SC-500 topcoat, thus obtaining an antioxidant protective coating. Single-layer BOPET is adopted as a film main material, thus reducing the dosage of a raw material film, saving the production cost, prolonging the product life and improving the tolerance to various adverse conditions. The film obtained by the method has the visual effects of an imitated metal wire drawing board, thus realizing the purpose of high simulation of different material wiredrawing metal boards.

The invention provides a preparation method of a composition containing miracle fruits and probiotics. The preparation method comprises the following steps: (1) preparing miracle fruits, performing homogenization and mixing on the prepared miracle fruits and water to form a miracle fruit aqueous solution; (2) regulating the pH value of the miracle fruit aqueous solution to be 5-8; (3) adding milkpowder to the miracle fruit aqueous solution of which the pH value is regulated to form a miracle fruit substrate; and (4) performing fermentation and culturing on the miracle fruit substrate and theprobiotics for some time to obtain the composition containing the miracle fruits and the probiotics. The invention further provides the composition containing the miracle fruits and the probiotics, prepared by the preparation method. The invention further provides pastilles containing composition powder obtained after drying the composition, fruit powder and excipients. The composition containingthe miracle fruits and the probiotics notably improves superoxide dismutase-like activity and achieves the efficacy of resisting oxidation.

The invention provides a method for extracting eurotium cristatum from dark tea. The method comprises the following steps: fermenting dark tea to obtain the dark tea containing the eurotium cristatum; crushing the dark tea containing the eurotium cristatum, so as to obtain dark tea blocks; selecting the dark tea blocks containing the eurotium cristatum for later use; smashing the dark tea blocks containing the eurotium cristatum to obtain dark tea powder; tiling the dark tea powder, putting in an oscillating sieve and oscillating, wherein a sieved mixture is for later use; and filtering the mixture by a fabric net, so that the eurotium cristatum is obtained. In the method for extracting the eurotium cristatum from the dark tea, the crushed dark tea blocks containing no eurotium cristatum and the dark tea powder intercepted on the oscillating sieve after oscillating can be fermented again for preparing the dark tea containing the eurotium cristatum, cyclic utilization of the dark tea is realized, and production cost is reduced; meanwhile, the extraction method provided by the invention is simple in operation, easy to realize and low in equipment investment cost and has a relatively good application prospect.

The invention relates to the field of grape wine processing, and provides a beautifying red wine and a preparation method thereof. The beautifying red wine comprises the following raw materials in parts by weight: 600-800 parts of grape, 100-200 parts of banana skin, 100-200 parts of orange peel, 5-8 parts of the root of kudzu vine, 12-20 parts of red dates and 15-20 parts of medlar. The provided preparation method is simple and easy to operate; the red wine prepared by adopting the raw materials is remarkably reduced in content of tannin, mellow in taste, and has the effects of beatifying skin, expelling toxins, promoting circulation the in vivo blood system and improving the immunity.

The invention discloses a multifunctional finishing method for treating a wool fabric with a TG enzyme and a laccase, and belongs to the technical field of textile manufacturing. The TG enzyme is used to catalyze wool grafted dopamine in advance, then the laccase is used to catalyze a phenolic hydroxyl group on the dopamine to generate a quinones intermediate, the active quinones intermediate triggers the self-polymerization of the dopamine molecule on one side, and also reacts with an amino group of polyethyleneimine (PEI) on the other side, and a poly-dopamine / polyethyleneimine composite membrane is formed on the surface of a wool fiber, so that the purposes of multifunctional finishing of preventing shrinkage, resisting bacteria and oxidation and the like are fulfilled. The method is mild in process conditions, achieves excellent functional effects, causes low damages on the strength of the wool, and improves the property of the wool. On the day that the environmental protection concept is increasingly emphasized, multifunctional finishing of the wool fabric with the biological enzyme is safe, environmentally friendly and efficient, and the method has a broad development prospect.