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38results about How to "Sustained antibacterial effect" patented technology

Antibacterial masterbatch, nano antibacterial super-tough plastic added with antibacterial masterbatch and preparation and application of plastic

InactiveCN103910996ABoth heat resistanceBroad-spectrumMasterbatchPolymer science
The invention discloses an antibacterial masterbatch, nano antibacterial super-tough plastic added with an antibacterial masterbatch and preparation and an application of the plastic and relates to the technical field of high molecular materials. The nano antibacterial super-tough plastic is characterized by being prepared from the following raw materials in parts by weight through blending and extruding: 70-93 parts of resin, 2-10 parts of antibacterial masterbatch, 5-20 parts of a flexibilizer, 0.1-1.0 part of an antioxidant and 0.2-1.0 part of a lubricant. The preparation method comprises the following steps: firstly, preparing the antibacterial masterbatch, then, weighing the raw materials in proportion, adding into a high speed mixer and mixing for 2-10 minutes; and then, extruding and granulating the obtained mixture through a twin-screw extruder to obtain the nano antibacterial super-tough plastic. The nano antibacterial super-tough plastic disclosed by the invention has an efficient, lasting, broad-spectrum and safe antibacterial effect, can be applied to preparation of spectacle frames and can satisfy the requirements on characteristics of the spectacle frames such as great elasticity, strong toughness and difficulty in breakage.
Owner:HEFEI GENIUS NEW MATERIALS

Bacteriostatic deodorant super absorbent resin and absorbent products of super absorbent resin

The invention provides a bacteriostatic deodorant super absorbent resin. An acrylic acid / acrylate mixed solution is prepared by neutralization of a basic compound and an acrylic monomer solution; a primary crosslinking agent and a primary dispersing agent are added into the mixed solution and uniform stirring is performed; an antibacterial agent is added and uniform stirring is continued; a temperature is raised to a range of 35 DEG C-70 DEG C; an initiator is added for polymerization to form colloid super absorbent resin; granulation and drying are performed on the colloid super absorbent resin in order; a composite bacteriostatic crosslinking agent is added at a temperature in a range of 110-180 DEG C for surface treatment to form the core-shell-type super absorbent resin having a three-dimensional crosslinking network structure. The bacteriostatic agent is one or two selected from a group consisting of an amino acid metal salt ion chelate and a chitosan metal salt ion chelate. The super absorbent resin provided by the invention is applied in sanitation hygroscopic products, has notable bacteriostatic and deodorant properties, has easily available raw materials, has low costs and has huge benefits.
Owner:浙江卫星新材料科技有限公司

Preparation method and application of bacteriostatic and deodorant SAP (super absorbent polymer)

The invention provides a bacteriostatic and deodorant SAP (super absorbent polymer). The bacteriostatic and deodorant SAP is prepared through steps as follows: a primary crosslinking agent and a primary dispersing agent are added to an acrylic acid / acrylate mixed solution which is prepared from a basic compound by neutralizing an acrylic monomer solution, the mixed solution is uniformly stirred, an antibacterial agent is added, uniform stirring is continued, the temperature is increased to 35-70 DEG C, an initiating agent is added, polymerization is performed, and a colloidal SAP is obtained;the colloidal SAP is granulated and dried in sequence and is subjected to surface treatment with a composite antibacterial crosslinking agent at the temperature of 110-180 DEG C, and accordingly, theshell-core type SAP with a three-dimensional crosslinked network structure is obtained. The antibacterial agent is one or two of amino acid metal salt ion chelate and chitosan metal salt ion chelate.The bacteriostatic and deodorant SAP is applied to hygroscopic hygienic products, has remarkable bacteriostatic and deodorant properties, is low in cost and has great benefit, and the raw materials are available.
Owner:浙江卫星新材料科技有限公司

Rice-pattern decorated ceramic glaze with antimicrobial function and preparation method of rice-pattern decorated ceramic glaze

The invention relates to a rice-pattern decorated ceramic glaze with an antimicrobial function and a preparation method of the rice-pattern decorated ceramic glaze, which belong to the technical field of ceramic glazes. The rice-pattern decorated ceramic glaze disclosed by the invention is composed of the following components: montmorillonite, kaolinite, quartz, talcum, potassium feldspar, glaze stone, wollastonite, dolomite, sodium carboxymethyl starch, zinc oxide and barium carbonate. The preparation method comprises the following steps: after the raw materials are prepared, carrying out ball milling and sieving the obtained object, pouring a glaze on a ceramic blank engraved with rice-pattern decorated holes, carrying out unglazed firing on the obtained product, and carrying out high-temperature firing, so that a rice-pattern decorated ceramic glaze with an antimicrobial function is obtained. In the rice-pattern decorated ceramic glaze disclosed by the invention, wollastonite is adopted for replacing traditional glaze ash, so that the prepared rice-pattern decorated ceramic glaze product is full bodied, rich and crystal clear, and has a deeper dark green color and better transparency; by using the strong property of the added montmorillonite component, the rice-pattern decorated ceramic glaze product has a fixation and inhibition effect on viruses and bacteria as well as toxins produced by the viruses and bacteria in the air, and therefore, the rice-pattern decorated ceramic glaze has the function of inhibiting bacterial growth, and can be used as a mildew preventive.
Owner:MEIZHOU FENGLIAN CERAMICS

MXenes-AgNPs synergistic antibacterial cotton fabric and preparation method thereof

The invention provides an MXenes-AgNPs synergistic antibacterial cotton fabric. Through the synergistic antibacterial effect of MXenes and AgNPs, the cotton fabric has excellent antibacterial activity and lasting antibacterial ability. AgNPs are uniformly loaded on the surface of the MXene two-dimensional nanosheet through covalent interaction, so that the MXenes nanocomposite loaded with AgNPs is formed. The surface of the cotton fabric is uniformly coated with the AgNPs-loaded MXenes nano composite material through covalent interaction. In addition to the antibacterial property, the cotton fabric prepared by the invention further has multiple functions of ultraviolet resistance, electromagnetic radiation resistance, conductivity and the like, the additional value of the cotton fabric is greatly improved, and the application range of the cotton fabric is greatly widened.
Owner:SUZHOU INST OF TRADE & COMMERCE

Antifouling antibacterial ceramic glaze and preparation method thereof

ActiveCN109970341APersistent releaseSlow release methodPhosphoric acidSlurry
The invention discloses an antifouling antibacterial ceramic glaze, which is prepared from, by weight, 50-60 parts of basic glaze slurry, 7-9 parts of calcium oxide, 3-5 parts of calcium carbonate, 4-6 parts of aluminum hydroxide, 4-5 parts of an antibacterial agent, 5-7 parts of nano zinc oxide, 2-3 parts of sodium hexametaphosphate, 8-10 parts of a phosphoric acid aqueous solution and 2-3 partsof an yttrium nitrate aqueous solution. The invention further discloses a preparation method of the antifouling antibacterial ceramic glaze. By the adoption of the antifouling antibacterial ceramic glaze and the preparation method thereof, the antibacterial agent is added into basic glaze, the antibacterial agent can be uniformly distributed in the glaze, and sintered ceramic can continuously andslowly release silver ions in water, so that a continuous antibacterial effect is achieved; the phosphoric acid aqueous solution and the yttrium nitrate aqueous solution are adopted in the glaze, so that the ceramic sintered by the glaze has good hydrophobicity, dirt cannot be firmly attached to the surface of the coating, the dirt can be washed away when water drops flow past a surface layer, andan antifouling effect is achieved; and a preparation process is simple, the conditions are easy to control, and production cost is low.
Owner:潮州市华利达陶瓷制作有限公司

Self-cleaning antibacterial degradable daily chemical bottle and preparation method thereof

The invention discloses a self-cleaning antibacterial degradable daily chemical bottle and a preparation method thereof. The daily chemical bottle contains a silver antibacterial agent, the silver antibacterial agent has a film-forming property, and the preparation method of the silver antibacterial agent comprises the following steps: taking 5-10 parts by mass of N-isopropylacrylamide and addinginto 1000 parts by mass of water, dissolving and uniformly mixing, adding 0.01-0.2 part of a cross-linking agent, stirring, adding 0.01-0.05 part of an initiator, 0.1 part of a catalyst, 0.1 part of asilver nitrate solution and 0.01-0.8 part of a reducing agent, and heating to obtain hydrogel containing nano-silver particles, namely the silver-based antibacterial agent. The obtained self-cleaningantibacterial degradable daily chemical bottle has beneficial mechanical properties and heat resistance, and also has long-lasting antibacterial property and self-cleaning property.
Owner:威骏(上海)环保包装有限公司

Preparation method for antibacterial and anti-pollution polymer separation membrane based on surface grafting

InactiveCN107694358ASustained antibacterial effectSustained high-efficiency antibacterial and anti-pollution effectSemi-permeable membranesMembranesAtom-transfer radical-polymerizationElectron transfer
The invention relates to a preparation method for a polymer separation membrane with high-efficiency persistent antibacterial and anti-pollution effects, and belongs to the scientific and technical fields of water treatment and membrane separation. According to the invention, through an electron transfer activation regeneration catalyst atom transfer free radical polymerization method, a quaternary ammonium salt is grafted at the surface of the polymer separation membrane, so that the anti-pollution performance of the polymer separation membrane can be effectively improved, the polymer separation membrane modified by the method has obvious inhibiting effects on reproduction of bacteria and microorganisms and good antibacterial performance, and the modified membrane has good separation performance and long-term stable antibacterial and anti-pollution effects. The method is simple in process, green and environmentally friendly, and the method can be operated under the lower content of acatalyst; and the polymer separation membrane has stronger operability in practical industrial production and potential and wide application value in the field of water treatment.
Owner:TONGJI UNIV

Chinese herbal medicine dispensation for antibiosis of hands and skin

The invention relates to Chinese herbal medicine dispensation for antibiosis of hands and skin, and belongs to the field of preventive medicine. The Chinese herbal medicine dispensation for the antibiosis of the hands and the skin comprises the components, by weight, 0.95 to 1.05 parts of gallnut, 7.6 to 8.4 parts of scutellaria baicalensis and 1.9 to 2.1 parts of rhubarb. Preferably, the Chinese herbal medicine dispensation for the antibiosis of the hands and the skin comprises the components, by weight, 1 part of the gallnut, 8 parts of the scutellaria baicalensis and 2 parts of the rhubarb. The concentrations of all the Chinese herbal medicine extractives in the compound Chinese herbal medicine mixture are obvious lower than the concentrations, generating useful effect on test index bacteria, of all the Chinese herbal medicine extractives used independently. The novel compound Chinese herbal medicine mixture can be applied to the antibiosis of the hands and the skin, is an antibiosis mixture made of pure plants, no chemical additive is contained, and the novel compound Chinese herbal medicine mixture has no irritation and reproduction toxicity on the skin and is safe and toxic free to human bodies.
Owner:蓝石科技集团有限公司

Non-woven fabric and preparation method thereof

The invention discloses a non-woven fabric and a preparation method thereof, the non-woven fabric comprises a non-woven fabric material, the non-woven fabric material comprises a first non-woven fabric fiber net and a polylactic acid fiber net; the first non-woven fabric fiber net is made of bamboo fibers or viscose fibers; and a hydrophobic agent is infiltrated between the first non-woven fabricfiber net and the polylactic acid fiber net. The non-woven fabric provided by the invention has natural antibacterial and degradation functions. The first non-woven fabric fiber net absorbs moisture and inhibits bacteria, and the polylactic acid fiber net resists moisture and bacteria and is soluble; and therefore one surface of the non-woven fabric has a rapid hydrophobic function, and the othersurface of the non-woven fabric has a water-blocking function.
Owner:四川力王无纺制品科技有限公司

Chitosan and microwave composite sterilizing method and application thereof

The invention relates to the technical field of biology and particularly relates to a chitosan and microwave composite sterilizing method and an application thereof. The method is characterized in that a material is firstly treated with chitosan and then sterilized by microwaves. The method has the advantage that the sterilizing efficiency is remarkably improved under the same microwave power and sterilizing time, is applicable to disinfecting and sterilizing of the medicine and health and food processing and other industries, and is a green and environmentally-friendly sterilizing method. The method applicable to disinfecting and sterilizing of plant-based pillow inner fillers shows the advantages of being high in efficiency and low in energy consumption, and preventing the fillers from generating thermal damage and deterioration, etc.
Owner:NANCHANG L LIANG IND

Dressing prepared from nanometer silver and far-infrared ceramic micro-powder and preparation method thereof

The invention provides a dressing prepared from nanometer silver and far-infrared ceramic micro-powder and a preparation method thereof. The dressing is prepared from a nanometer silver composite antibacterial layer and a spongy fabric layer. The nanometer silver composite antibacterial layer comprises 90-95wt% of polyethylene glycol 4000 and the balance nanometer silver particles. The nanometer silver particle has the particle size D90 of 15nm. The spongy fabric layer is prepared from far-infrared ceramic powder and a polymer of polyethylene glycol 6000 by mixing. The mixture comprises 70-80wt% of the polyethylene glycol 6000. The dressing has good antibacterial properties and good healing effects and can be prepared simply.
Owner:TIANJIN HESHENG MEDICAL TECH DEV

Antibacterial composite fiber and preparation method thereof

The invention discloses an antibacterial composite fiber and a preparation method thereof, and relates to the technical field of a health care material. The antibacterial composite fiber comprises thefollowing ingredients in parts by weight: 18 to 22 parts of antibacterial spun polyester, 26 to 34 parts of viscose fiber and 45 to 55 parts of cotton, wherein the antibacterial spun polyester is modified spun polyester obtained through pretreatment. A pretreatment method comprises the following steps of Step 1, taking and mixing equal-mass stone needles and zinc oxides to obtain a mixed additive; Step 2, micronizing the mixed additive by a nanometer technology, and grinding the micronized mixed additive into a 400 nm nanoscale powder ultrafine particle mixed material; and Step 3, performingblended spinning on the mixed material obtained in Step 2 and polyester to prepare the modified spun polyester, wherein the mixing proportion of the mixed material is 6 to 14 percent. The antibacterial composite fiber with efficient and durable antibacterium and deodorization effects is prepared; and the antibacterial composite fiber has the characteristic that the continuous antibacterial effectcan be maintained after washing for many times.
Owner:HEYE HEALTH TECH CO LTD

Antibacterial combined layer and antibacterial protective mask comprising same

The invention relates to the technical field of antibacterial masks, and discloses an antibacterial combined layer which comprises an antibacterial outer layer and an antibacterial inner layer. The antibacterial outer layer is made of a starch-based polylactic acid composite material and is loaded with an inorganic nano antibacterial agent, and lipase is adsorbed on the antibacterial inner layer.The invention further discloses an antibacterial protective mask comprising the antibacterial layer, the antibacterial protective mask comprises a dustproof outer layer, a filter layer, an antibacterial combination layer and a skin-friendly layer which are connected in sequence, the antibacterial outer layer in the antibacterial combination layer is attached to the filter layer, and the antibacterial inner layer in the antibacterial combination layer is attached to the skin-friendly layer. The antibacterial material can be prevented from being polluted by bacterial carcasses or bacterial secretions, the antibacterial effect is continuously achieved, and the antibacterial material is green, degradable and good in antibacterial effect.
Owner:四川省乐至贵均卫生材料有限公司

Dressing with nano-silver composite antibacterial layer and far infrared ceramics

Dressing with a nano-silver composite antibacterial layer and far infrared ceramics comprises base cloth, the inner surface of the base cloth is coated with an adhesive layer, the middle of the base cloth is pasted with protection layers, the protection layers are covered with release paper, the outer edge of the release paper is fixed to an exposed portion corresponding to the periphery of the base cloth, and the dressing is characterized in that the three protection layers are arranged, and sequentially comprise a nano-silver composite layer, a spongy fabric layer and a non-woven fabric reinforcing layer according to the distance away from the base cloth layer from near to far, the spongy fabric layer is soaked by the polymer mixtures of far infrared ceramic micro powder and polyethylene glycol 6,000, the weight percentage of the far infrared ceramic micro powder accounting for in the polymer mixtures is 20 percent to 30 percent, and the range of the particle size of the far infrared ceramic micro powder is 15 microns to 30 microns.
Owner:TIANJIN PHARMACN MEDICAL TECH

Method for preparing nano-compound antibacterial dressing

The invention provides a method for preparing a nano-compound antibacterial dressing. The antibacterial dressing is prepared by the following steps: preparing the following raw materials in a certain percentage: various precursors having different nano-scales, an emulsifier and surfactant, and stirring for 2-3 hours at a temperature T being 40-60 DEG C to obtain a dispersion of an antibacterial agent; adding the dispersion of the antibacterial agent into a water-soluble polymer solution with a certain concentration, and mechanically stirring for 12 hours to obtain a uniform solution; and freeze-drying the polymer solution to obtain the nano-compound antibacterial dressing. The nano-compound antibacterial dressing prepared by the method is wide in raw material source, low in cost, good in air permeability and remarkable in antibacterial and anti-ultraviolet effect.
Owner:重庆辽远医药科技有限公司

Antibacterial protection bag for water purification equipment

The invention discloses an antibacterial protection bag for water purification equipment. The antibacterial protection bag comprises a bag body on which an antibacterial agent is immobilized, wherein the bag body is made from textile fibers of cotton or viscose; the antibacterial agent is metal ions or nanometal particles; metal is silver, copper or zinc. The antibacterial protection bag adopts composite porous fiber materials as base bodies and has excellent characteristics of being good in mechanical property, safe, environment-friendly and the like, and raw materials are easily available; the fiber materials as the base bodies are subjected to silver loading treatment through a unique process, so that the fiber materials have excellent, wide-spectrum and lasting antibacterial effects; the antibacterial fiber materials are made into various forms of sleeve parts which directly sleeve various water purification filter elements; when the sleeve parts are cooperatively used with the water purification filter elements, the antibacterial and bacteriostatic effects can be achieved through contact or slow release of ultralow-concentration metal ions, the growth of microorganisms can be lastingly and effectively inhibited, and the problem of secondary pollution caused by water purification filter element materials can be avoided.
Owner:HUIZHOU AGPLUS ENVIRONMENTAL PROTECTION TECH CO LTD

Flm coating agent for disinfection based on polyhexamethylene guanidine and preparation method thereof

The invention provides a film coating agent for disinfection based on polyhexamethylene guanidine and a preparation method thereof. The formula of the film coating agent for disinfection based on polyhexamethylene guanidine is as follows: 0.25-0.5 of polyhexamethylene guanidine; 0.1-5.0 parts of a traditional Chinese medicinal material extract; 5.0-15.0 parts of a film forming material; 2.0-4.0 parts of a plasticizer; 10-15 parts of a humectant / pore-foaming agent; 20-75 parts of ethanol; and the balance of refined water. The film coating agent for disinfection based on polyhexamethylene guanidine is a compound disinfection film coating agent formed by multiple components, the sterilization and antiviral effects can be expanded, the film forming characteristic of a film forming material is utilized, a layer of water-insoluble protective film can be formed when the film coating agent is coated on an arm, the film coating agent has the effect of an invisible glove, meanwhile, a humectant / pore-foaming agent is added, the physiological function of skin and the normal work of fingers are not influenced, and the film coating agent has the characteristics of quick sterilization and long maintenance time.
Owner:潮州市亿生健医药保健品有限公司

Application method of photocatalyst antibacterial glass in refrigerator

The invention discloses an application method of photocatalyst antibacterial glass in a refrigerator. The application method comprises the following steps that (1) the photocatalyst antibacterial glass is arranged, and a supporting plate in the refrigerator is arranged as a photocatalyst antibacterial glass supporting plate; and (2) a lighting system is arranged, specifically, the lighting systemis arranged in the refrigerator and provided with a lighting lamp and a controller for controlling the lighting lamp, and the controller controls the lighting lamp to intermittently work. According tothe application method, the antibacterial glass in the refrigerator can still get enough light energy even though a refrigerator door is not opened for a long time, thus a photocatalyst material on the surface of the glass continues to play a role, and the antibacterial and sterilizing effects of the antibacterial glass in the refrigerator are continuously achieved.
Owner:唐山启明星玻璃深加工有限公司

Hand sanitizer containing shea butter and having permanent skin moistening effect

The invention provides a hand sanitizer containing shea butter and having the permanent skin moistening effect, belonging to the technical field of cleaning and cosmetics products. The hand sanitizeris prepared from the following ingredients in parts by weight: 10-15 parts of shea butter, 20-30 parts of a cleanser, 1-3 parts of castor oil, 1-15 parts of a surfactant, 0.1-0.5 part of a thickeningagent, 0.4-0.6 part of a pH regulator, 0.1-0.3 part of fish scale collagen, 0.5-2 parts of polyquaternium-7, 1-15 parts of a nursing agent, and 45-55 parts of deionized water. The hand sanitizer belongs to the ideal disinfection hand cleaner, and has the advantages of being wide in bactericidal spectrum, strong in bactericidal ability, rapid in taking effect, good in stability, low in toxicity, small in corrosion, small in irritation (namely, no toxicity, residue, corrosion or irritation exists), soluble in water, safe to human beings and animals, low in price, easily available, and low in environmental pollution.
Owner:景有超

Novel environment-friendly cardboard material and preparation method thereof

The invention discloses a novel environment-friendly cardboard material and a preparation method thereof. The preparation method comprises the following steps of: cleaning up, drying, smashing and grinding corncobs and bagasse to obtain mixed powder; well mixing regenerated paper pulp and plant fiber paper pulp in a beating machine, then adding the mixed powder, pretreated fly ash, starch modified white mud fibers and a composite antibacterial agent, and stirring and mixing well to obtain a pulp mixture; adding sodium hexametaphosphate and sodium dodecyl benzene sulfonate into the slurry mixture, and stirring and mixing to obtain slurry; and inputting the slurry into a paperboard forming machine for processing, and then drying to obtain the novel environment-friendly cardboard material. The plant fibers and the inorganic fibers in the prepared novel environment-friendly cardboard material are uniformly dispersed and smooth in surface, the binding force of the inorganic filler and the fibers is high, paper is high in strength and not prone to damage, the preparation raw materials are low in price and easy to obtain, economic benefits are high, and the novel environment-friendly cardboard material is suitable for large-scale production.
Owner:苏明生

Water-soluble disinfecting composition comprising chlorhexidine or derivative thereof and having improved antibacterial durability, and fibrous disinfectant comprising same

PendingCN114126585AImproved antibacterial durabilityMaximize cumulative releaseOrganic active ingredientsBiocideChloraPrepGlycerol
The present invention relates to a water-soluble disinfecting composition having improved antibacterial durability and a fiber-type disinfecting agent comprising the same, the water-soluble disinfecting composition having improved antibacterial durability comprising chlorhexidine or a derivative thereof and a silicon-based emulsifier. According to the present invention, the chlorhexidine or the derivative thereof is well dispersed in an aqueous phase in a state having high solubility and stability, thereby having excellent absorption efficiency when applied to the skin and maximizing the final cumulative release amount of chlorhexidine or the derivative thereof. Moreover, by using the polyglycerol fatty acid ester, the slow release of the chlorhexidine or the derivative thereof can be realized, and the antibacterial effect can be maintained for a long time.
Owner:HUONS +1

Efficient heat-resistant antibacterial gelatin-based TG enzyme meat product adhesive as well as preparation method and application thereof

The invention discloses an efficient heat-resistant and antibacterial gelatin-based TG enzyme meat product adhesive, and belongs to the field of food processing. The high-purity bone gelatin and TG enzyme microcapsules are combined, a dynamic high-pressure microjet technology is assisted, gelatin action points are increased, the bone gelatin and the TG enzyme microcapsules are fully combined, the crosslinking degree is improved, gelatin-based TG enzyme microspheres are prepared, and safe and efficient antibacterial nano-emulsion such as anise essential oil are added to prepare the TG enzyme meat product adhesive based on gelatin microspheres. In addition, an animal aggregate is subjected to ultrasonic-assisted synchronous demineralization and enzymolysis to obtain a primary bone gelatin solution, and a permanent magnetic field is applied to perform magnetic induction and cross-flow micro-membrane filtration purification on the solution to obtain high-purity bone gelatin. The TG enzyme is combined with the gelatin microspheres, so that the heat resistance of the gelatin is improved; in addition, by adding the antibacterial agent, the level of microorganisms in the recombinant meat can be effectively controlled, the antibacterial effect can be continuously achieved in the storage period, the shelf life is prolonged, and the food safety is greatly improved.
Owner:苏州朗邦营养科技有限公司

Method for preparing repairing material of antibacterial degradable active nanometer composite bionic tone tissue

The invention relates to a method for preparing repairing material of antibacterial degradable active nanometer composite bionic tone tissue, comprising the following steps of: A, preparing a calcium-phosphorus solution with calcium chloride, sodium dihydrogen phosphate and the like, and mixing the calcium-phosphorus solution, the minocycline solution and the aqueous solution of gelation; B, carrying out reaction on the mixed solution in a silicone oil reactive bath; C, standing in motionless and ageing at the room temperature; D, centrifugalizing the aged substance to obtain the precipitate;freezing and drying the precipitate to obtain the repairing material for the bionic nanometer composite bionic bone tissue. The method adopts molecular bionic synthesis technology, simulates the process of bone mineralization and takes gelatine with excellent biocompatibility as an organic molecule template that regulates and controls growth of apatite (primary inorganic component of bone tissue)under physiologic condition to carry out biomimetic synthesis of repairing material for organic-inorganic composite bone tissue. Meanwhile, the antibacterial agent minocycline in the process of the growth of apatite crystal is loaded. Therefore, a novel antibacterial repairing material of nanometer composite bionic tone tissue is synthesized.
Owner:ANHUI MEDICAL UNIV

Antifouling and antibacterial ceramic glaze and preparation method thereof

ActiveCN109970341BPersistent releaseSlow release methodO-Phosphoric AcidSodium phosphates
The invention discloses an antifouling and antibacterial ceramic glaze, which is made of the following raw materials in parts by weight: 50-60 parts of basic glaze slurry, 7-9 parts of calcium oxide, 3-5 parts of calcium carbonate, and 4-6 parts of aluminum hydroxide 5 parts, 4-5 parts of antibacterial agent, 5-7 parts of nano-zinc oxide, 2-3 parts of sodium hexametaphosphate, 8-10 parts of phosphoric acid aqueous solution, 2-3 parts of yttrium nitrate aqueous solution; Preparation method of antibacterial ceramic glaze. In the present invention, an antibacterial agent is added to the basic glaze, and the antibacterial agent can be evenly distributed in the glaze, and the fired ceramics can continuously and slowly release silver ions in water to achieve a continuous antibacterial effect; Phosphoric acid aqueous solution and yttrium nitrate aqueous solution are used, so that the ceramics fired by the glaze have good hydrophobicity, and the dirt cannot be firmly adhered to the surface of the coating. When water droplets flow through the surface, the dirt can be washed away to achieve antifouling. effect; and the preparation process is simple, the conditions are easy to control, and the production cost is low.
Owner:潮州市华利达陶瓷制作有限公司

Body lotion with skin moisturizing and soothing effects and preparation method thereof

The invention discloses a body lotion with skin moisturizing and soothing effects. The body lotion is prepared from the following components in parts by weight: 3-10 parts of polypentaerythritol tetralaurate, 2-5 parts of mineral oil, 3-10 parts of stearic acid ester, 2-5 parts of fatty acid, 1-3 parts of fatty alcohol, 1-3 parts of fructo-oligosaccharide and 1-3 parts of plant squalane. 1-3 parts of aloe gel, 0.2-1 part of a nano-silver antibacterial agent and 0.2-2 parts of a biological surfactant; wherein the fatty acid comprises super-long-chain fatty acid with the carbon chain length of more than 22. The body lotion finally obtained by matching with a corresponding preparation method not only can prevent the skin from generating cracks due to dryness, but also can avoid the problem of generating acnes when the epidermis moisture escape rate is too high, can also achieve the skin bacterium cleaning effect while keeping the epidermis moist, and is matched with the ultra-long chain fatty acid with the elastic chain length exceeding 22, so that the skin moisturizing effect is achieved. The skin surface micro-ecology and lipid composition can be regulated and controlled to improve the sub-health state of the skin.
Owner:ZHEJIANG SEMIR GARMENT CO LTD

Water-saving type multifunctional hand-washing disinfectant

The invention relates to a water-saving type multifunctional hand-washing disinfectant, which is prepared from didecyl-dimethyl-ammonium chloride, alkyl dimethyl benzyl ammonium chloride, fish scale collagen, hydroxyethyl urea (DS-18), polyquaternium-7, disodium ethylenediaminetetraacetate and citric acid in a ratio of parts by weight. The hand-washing disinfectant provided by the invention has no toxicity, irritation and corrosivity, is free of alcohol and substances harmful for skin, is biodegradable, is safe and friendly for human and environment, and belongs to green disinfectant products.
Owner:辽宁鑫健林国医堂健康管理有限公司
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