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656results about How to "No allergic reaction" patented technology

Zeolite hemostatic dressings and preparation method and application thereof

The invention relates to the high degree of exchange Ca-A type zeolite hemostasis dressing and the preparation method and the purpose. The zeolite hemostasis dressing of the invention containing the zeolite has fast hemostasis speed, and has no bacterium, no pyrogen, no cell toxicity, no hypersensitive reaction and no skin irritation, the using is convenient and the cost is low.
Owner:深圳泰明嘉业药业有限公司

Preparation for in-situ compounding simple-substance nano silvery bacteria cellulose membrane

The invention provides a preparation for the in-situ compounding simple-substance nano silvery bacteria cellulose membrane, and relates to the biological medical material field, characterized in that the bacteria cellulose membrane has special three-dimensional nano network structure, the silver-ammonia solution reacts with the chemical agent containing aldehyde group to generate silver simple-substance nano particle in situ in the network structure. In addition, in the invention, the special drying method is adopted to improve the defect of big fragility of the prepared silver-contained nano bacteria cellulose dry membrane. The bacteria cellulose membrane containing simple-substance nano silver particle provided by the invention has excellent antibacterial performance and simple preparation technique, and can be widely used in the biological medical field such as large-area wound dressing, bundling belt and the like, also can be used in the industry field such as the preparation of nano silver particle and silver catalyst, and the like.
Owner:UNIV OF SCI & TECH BEIJING +1

Ecological dyeing method for dyeing cotton fabric with mulberry red natural dye

The invention relates to an ecological dyeing method for dyeing a cotton fabric with mulberry red natural dye, comprising the following steps: preprocessing the cotton fabric and then dyeing the preprocessed cotton fabric with the mulberry red natural dye; adding metal salt for fixation; and soaping the fabric after fixation and then fixing colors to obtain the dyed fabric with even color, wherein washing fastness can reach 3-4degrees. The ecological dyeing method has simple dyeing process, high dye-uptake, good pigment stability and wide market prospect.
Owner:CHANGZHOU GOLDEN SPRING TEXTILE +1

Nonwovens and machining method thereof

The invention discloses a non-woven cloth and relative production, wherein the non-woven cloth is formed by non-hot-melt staple fiber whose mass content is not lower than 30% and hot-melt composite staple fiber, via thermal adhesive fixing method. And the invention utilizes the character that the surface of the hot-melt composite staple fiber has heated fusion function, and the invention uses thermal adhesive fixing method to fuse the face of hot-melt composite staple fiber to adhere the non-hot melt staple fiber to form non-woven cloth, therefore, the produced non-woven cloth has damp adsorption property, soft property, and flexibility, without sensibility on human body. And the invention utilizes the hot-wind non-woven device or thermal rolling non-woven device with low energy consumption and low cost.
Owner:谢继华 +1

Sewing-free hot melt adhesive TPU-PU leather and preparation method thereof

The invention provides a piece of novel sewing-free hot melt adhesive TPU-PU leather, and a preparation method thereof. The TPU-PU leather comprises release paper, a hot melt adhesive film, a TPU film and a dry-type PU film, wherein the release paper comprises a paper bottom layer, an adhesive layer, a plastic layer, a transition layer, and a release layer; a hot melt adhesive raw material is composed of polyester polyol, diisocyanate, polyether polyol, and a plurality of additives; a TPU raw material is composed of polymer polybasic alcohol, 1,4-cyclohexane-diisocyanate, a chain extender and a plurality of functional additives; a PU raw material is composed of polyester dibasic alcohol, straight chain diol, isocyanate, TDI trimer, dimethyl formamide, butanone, black sand, and a plurality of functional addictives. Through the adoption of the preparation method, innovations are conducted on the raw material components of the release paper, the hot melt adhesive, the TPU film and the PU film; the manufactured sewing-free TPU-PU leather has the technical advantages of firmness in adhesion, durability, environment-friendly materials, no invisible harm to a human body, and the like.
Owner:DONGGUAN XIONGLIN NEW MATERIAL TECH

Antibiotic down and its making method

The production process of antibiotic down includes the following steps: initial sorting, eliminating dust, fine sorting, piling, initial washing, washing while adding special down detergent in 1-2.5 % of down weight for 20 min, rinsing in clear water, soaking in 1 % concentration antiseptic solution for 30 min, rinsing in clear water for 20 min, dewatering, stoving, cooling and packing. The said process can prevent down from mildew, rot and moth eating during storage, transportation and use, and make the corresponding product possess obtain antiseptic, inflammation diminishing, mildew preventing, itch stopping and other functions.
Owner:邯郸市雪驰集团有限公司

Natural pigment lipstick

The invention discloses a natural pigment lipstick. The natural pigment lipstick is mainly prepared from, by weight, 3-7 parts of natural pigment, 15-20 parts of natural wax, 40-70 parts of natural oil, 2-5 parts of natural flavors and 1-3 parts of other natural functional additives. The lipstick uses natural plant extract juice as a pigment dye, other components do not contain any artificially synthesized compound, and the lipstick is non-toxic to a human body, can lubricate lip mucosa, does not produce allergic reaction, promotes blood circulation and body health and is wide in raw material source, simple and convenient to produce and low in cost.
Owner:GUANGZHOU JUZHU GENERAL TECH INST CO LTD

Protein nanometer granules wrapped with taxane medicaments and preparation method for nanometer granules

ActiveCN102327230AHigh drug loadingGood in vivo and in vitro stabilityPowder deliveryOrganic active ingredientsOrganic solventPrill
The invention belongs to the field of pharmacy, and discloses protein nanometer granules wrapped with taxane medicaments and a preparation method for the nanometer granules. In a formula, the granules comprise the following substances in percentage by weight: 0.1 to 10 percent of taxane medicaments, 0.1 to 40 percent of water-soluble carrier material and 50 to 90 percent of protein substances. The method comprises the following steps of: preparing water-soluble carrier solid dispersion containing the taxane medicaments from the taxane medicaments and the water-soluble carrier material; adding the obtained solid dispersion into an aqueous medium containing the protein substances, mixing uniformly, and performing high-shear treatment on the mixture to obtain suspension of the protein nanometer granules wrapped with slightly-soluble medicaments; and further preparing required formulations. The protein nanometer granules have the advantages of large medicine-carrying quantity, uniform grain diameters, high stability and safety and the like; and by the method, toxic organic solvent residues are avoided, the safety of clinical administration is improved, and a process is simple, low in cost and high in operability.
Owner:CHINA PHARM UNIV

Traditional Chinese medicine gastrointestinal auxiliary for type-B ultrasonic and preparation method thereof

The invention provides a traditional Chinese medicine gastrointestinal auxiliary for type-B ultrasonic and a preparation method thereof, and the traditional Chinese medicine comprises the following raw medicinal materials: cumin, galangal, rhizome cyperi, three-nerved spicebush roots, cuttlebone, green tangerine peels, medicated leaven, malts, immature bitter orange, rheum officinale, mirabilite, cortex magnoliae officinalis, radix aucklandiae, amomum, agastache rugosa, finger citron, hawthorns, radish seeds, calcined concha arcae, evodia, pinellia ternate, semen arecae, atractylodes macrocephala koidz, rhizoma nardostachyos and fritillary bulb. The traditional Chinese medicine gastrointestinal auxiliary for type-B ultrasonic has the beneficial effects of being safe to use, painless, noninvasive, non-toxic, free from anaphylactic reaction, short in examination time, high in development rate, convenient to use and low in cost, providing a new technology and a new method for corrective early-stage diagnosis of diseases, and powerful basis for clinical diagnosis, and being a desirable novel auxiliary. Furthermore, the preparation process is simple and practical.
Owner:王玉云

Method for producing anti-static flame retardant, water-proof and oil-proof natural fibrous fabric

InactiveCN1554817AConform to project technical index requirementsEase of evaluationFibre treatmentWoven fabricsMetal fibersEngineering
The production process includes trial weaving antistatic grey cloth, dipping fireproof liquid, roasting, soaping, deodorizing, waterproof and anti-fouling finishing, framing and inspection. The antistatic method is to add organic conducting fiber or conducting metal fiber; the dipping fireproof liquid is to finish the natural fiber fabric with fireproof agent and crosslinking agent; and the waterproof and anti-fouling finishing adopts fluoric compound as waterproof and anti-fouling agent. The natural fiber fabric may contain small amount of chemical fiber and has the functions of resisting static electricity, resisting flame, resisting water and resisting oil stain.
Owner:江苏东升艾克科技股份有限公司

Nano microcapsule type dry garment piece, and preparation method and application thereof

The invention relates to a fragrant microcapsule type finishing agent which comprises the following constituents by mass percentage: 35-45 percent of fragrant nano microcapsule, 35-45 percent of thickening agent, 15-25 percent of adhesive and 1-5 percent of color paste, wherein the sum of the percentages of all the constituents is 100 percent. The invention also discloses a nano microcapsule type dry garment piece which has lasting fragrance more than 1 year, is sterile, has high safety, has no stimulation to the skin and no allergic response, and is suitable for fragrance finishing and storing of fabrics and ready-to-wear clothing made of cotton, wool, silk, linen and chemical fiber; and the fragrant nano microcapsule has good particle dispersivity on base cloth and is extremely easy to embed into the base cloth tissue structure.
Owner:无锡翔隆高分子面料有限公司

Mite and mosquito-bite preventing underwear, sleepwear and home wear

The invention relates to the technical field of fibers, in particular to a mite and mosquito-bite preventing underwear, sleepwear and home wear which is characterized by comprising the following processing steps of: preparing medical liquid; carrying out dyeing and printing and other pre-treatments on cottons or cotton blended fabrics; preparing bleaching and dyeing liquid; dyeing cloth; carrying out high temperature tentering; and processing so as to prepare the underwear, the sleepwear and the home wear. According to the invention, the fabrics provided by the invention have the obvious effects of mite preventing, mosquito preventing, anti-bacterium, deodorization, rot resistance, itching relieving, blood circulation invigoration and meridians activation and the like; the repellent rate of dust mite is as high as 99 percent; the repellent rate of mosquito is 95 percent; the repellent rate of termite is 95 percent; fabric-touching pathogens such as staphylococcus aureus, staphylococcus epidermidis, gonococcus and esherichia coli and the like can be completely killed; all efficacies of the fabrics still reach to over 97 percent after the fabrics are washed for 50 times; and the fabrics have the advantages of no irritation to skin, no anaphylactic reaction, no toxicity to the human body, comfort for wearing and can effectively prevent the infection of asthma and other diseases.
Owner:王建波

A high-yielding glucosamine engineering bacterium and its construction method through homologous recombination knockout nage

The invention discloses a high-yield glucosamine gene engineering bacterium and an application thereof; the gene engineering bacterium E. coli-glmS-gnal-delta nagE is obtained by introducing a glucosamine synthase gene (glmS) and a glucosamine acetylase gene (gnal) into escherichia coli E. coli K-12, and knocking out an encoding gene nagE of an acetyl-glucosamine phosphate transport system; the bacterial strain is applicable to the fermentation production of glucosamine, has the advantages of high production intensity, low production cost, less environmental pollution, no allergic reaction, and the like; and the obtained glucosamine is widely applicable to fields such as medicin, food, etc.
Owner:衢州益康园生物科技有限公司

Nanometer silver far-infrared negative ion magnet therapy sanitary towel and sanitary pad

The invention relates to a nanometer silver far-infrared negative ion magnet therapy sanitary towel and a sanitary pad. The sanitary towel comprises a nanometer silver far-infrared negative ion magnet therapy composite core, and a preparation method of the core includes soaking and treating a semi-finished non-woven fabric in nanometer silver antibacterial liquor; then soaking the semi-finished non-woven fabric in far-infrared negative ion liquor; finally taking out the fabric; spraying magnetic powder on the fabric; and drying, purifying and ironing the fabric so as to form the core. The nanometer silver far-infrared negative ion magnet therapy sanitary towel and the sanitary pad have effects of sterilization, bacteriostasis and healthcare.
Owner:深圳市康乐美科技有限公司

Emollient cosmetic and preparation method thereof

The invention discloses an emollient cosmetic and a preparation method thereof. The emollient cosmetic is prepared from the following raw materials in percentage by weight: 0.6-8.7 percent of plant effective component additive, 6-10 percent of glycerin, 0.2-0.6 percent of sodium hyaluronate, 2.0-2.6 percent of stearate and 78.1-91.2 percent of water. The emollient cosmetic containing the plant effective component additive has the effects of moisturizing the skin for a long time, whitening skin, resisting bacteria and resisting oxidation. Proved by trial of the emollient cosmetic on 240 consumers, the emollient cosmetic has good moisturizing and whitening effects, does not cause any allergic reaction, and is safe, nontoxic and suitable for people of various types of skin.
Owner:珀蒂珍广州化妆品有限公司 +1

Traditional Chinese medicine contrast medium adjuvant used for B ultrasonic and preparation method thereof

The invention provides a traditional Chinese medicine contrast medium adjuvant used for B ultrasonic, which comprises the following materials in part by weight: 10-20 parts of bighead atractylodes rhizome, 10-20 parts of poria cocos, 10-20 parts of turmeric, 10-20 parts of tangerine peel, 10-20 parts of cortex magnoliae officinalis, 10-20 parts of radix aucklandiae, 10-20 parts of Rhizoma atractylodis, 10-20 parts of cuttlebone, 10-20 parts of calcined oyster shell, 10-20 parts of Chinese yam, 10-20 parts of charred triplet, 10-20 parts of myristica fragrans, 10-20 parts of gizzard pepsin, 10-20 parts of rhizome cyperi, 10-20 parts of codonopsis pilosula, 10-20 parts of combined spicebush root, 10-20 parts of eclipta, 10-20 parts of jasmine, 10-20 parts of baical skullcap root and 10-20 parts of field pennycress. The traditional Chinese medicine contrast medium adjuvant used for B ultrasonic provided by the invention not only can adapt to stomach hyperfunction type, but also can adapt to decreased stomach function type, and also can be applied to the mixed type of various flatulence and mucinosis, check time is short, imaging rate is high, and preparation process is simple and practical. The contrast medium adjuvant has no obvious toxic side effect and has prospect on further development research.
Owner:张洪英

Medicinal hydrophilic polyacrylic ester pressure-sensitive adhesive and preparation method

The invention discloses medicinal hydrophilic polyacrylic ester pressure-sensitive adhesive, which consists of ethylhexyl acrylate, hydroxyethyl acrylate, methyl acrylate, glycidyl methacrylate, peroxide initiator and acetic ether solvent, wherein the initiator is benzoyl peroxide or azodiisobutyronitrile. A preparation method comprises the following steps of: dividing the components into two parts, and mixing the two parts to form first and second mixed solution respectively; putting the first mixed solution into a reactor, introducing nitrogen into the reactor to remove oxygen, heating the solution to a reflux temperature, starting continuously dripping the second mixed solution into the reactor, reacting the solution at the temperature of between 70 and 80 DEG C, and dripping all the second mixed solution within 1.5 to 2.5 hours; and continuously reacting the solution for 4 to 6 hours after the dripping is finished, stopping heating the solution, cooling the reaction product to between 30 and 40 DEG C, and pouring and sieving the reaction product to obtain the medicinal hydrophilic polyacrylic ester pressure-sensitive adhesive. The preparation method is simple and feasible; and the adhesive has good water absorption property and water vapor penetrability after coating, can be repeatedly adhered for use, has good skin compatibility, can be used as medicinal pressure-sensitive adhesive, and overcomes the defect of hydrophobic pressure-sensitive adhesive.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Injection gel containing submicron hyaluronic acid microspheres and preparation method thereof

The invention discloses an injection gel containing submicron hyaluronic acid microspheres and a preparation method thereof. The diameter of each microsphere is 100 nanometers to 50 micrometers. Swelling ratio of the injection gel is 2-2000. The preparation method includes: dissolving biodegradable hyaluronic acid into organic solvent to obtain spinning solution; electrospinning the spinning solution using electrostatic spinning, and crosslinking through coagulating bath to obtain nano / submicron microspheres; dialyzing to purify the microspheres, preparing into injection with phosphate buffer or normal saline, and homogenizing with suspension of a stem cell growth factor system according to a certain volume ratio to obtain the injection gel. The injection gel containing submicron hyaluronic acid microspheres prepared by the method is fine in shaping performance, long in shape preservation, and fine in cell compatibility, and is applicable as therapeutic for ophthalmology and orthopedics, also applicable as tissue-engineered repair materials such as bone tissues, cartilage tissues, blood vessel tissues, heart tissues and nerve tissues or as filling material for plastic surgery.
Owner:冯淑芹

Preparation method of antibacterial and deodorant down feather and its product

InactiveCN103882723APrevent mildew and insectsNo stimulationFibre treatmentBiotechnologyDeodorant
The invention discloses a preparation method of an antibacterial and deodorant down feather and its product, the preparation method comprises the following steps: a)immersing the washed clean down feather in 1-2.5% (owf) of a silver-loaded nano antiseptic aqueous solution for leaching, wherein the leaching rate is 60-80%; and b)predrying, stoving, flushing, dehydrating, and drying the leached down feather, and naturally cooling to obtain the antibacterial and deodorant down feather. The antibacterial and deodorant down feather can effectively prevent milden, rot and moth eating in the process of storage, transportation and use, and the corresponded product has obvious functions for preventing bacteria and deodorization.
Owner:LUOLAI LIFESTYLE TECH CO LTD

Ointment for trauma and injury and its preparation method

The invention discloses an ointment for trauma and injury and its preparation method, wherein the medicament is prepared from Chinese medicinal herbs including saffron, drynaria, dipsacus root, velvet, agkistrodon acutus, burred tuber, snake slough, buthus martensi karsch, Sichuan aconite root, momordica seed, root of American ginseng, ledebouriella root, rhubarb, achyranthes and cyathula root, immature bitter orange, dried rehmannia root, peach kernels, cyperus tuber, gallnut, figwirt root, cinnamon bark, centipede, pangolin scales, Chinese angelica root, dipsacus root, zanthoxylum piperitum, lilac daphne, kansui root, asaryl, croton, dragon's blood resin, notoginseng, pubescent angelica root, Chinese ephedra and tooth soap.
Owner:李景辉

Odour after finishing production of silk cotton

A post-finishing process for perfuming the silk floss includes such steps as preparing the perfuming liquid from microsoftgel perfume, low-temp adhesive, softening agent and water, immersing silk floss in it for 40 min, centrifugal dewatering, baking at 65-80 deg.C, and drying in air. Its advantages are durable fragrance, high whiteness and soft handle.
Owner:NANTONG LOVER APPL +1

Fasudil hydrochloride pharmaceutical composition for injection

The invention discloses a pharmaceutical composition of fasudil hydrochloride for injection. The fasudil hydrochloride injection is composed of fasudil hydrochloride, cysteine ​​hydrochloride and sodium chloride, each containing hydrochloric acid method Sudil 15-60mg, cysteine ​​hydrochloride mg, sodium chloride mg. The preparation method is as follows: take 90% of the prescribed amount of water for injection, at a temperature of 55-65°C, add the prescribed amount of cysteine ​​hydrochloride, stir to dissolve; add the prescribed amount of fasudil hydrochloride, stir until dissolved, and pour into Then add the sodium chloride of recipe quantity in the solution, stir until dissolving completely; Measure initial pH value, according to initial pH value, adjust pH value range with 4% sodium hydroxide solution and 10% cysteine ​​hydrochloride solution in 5.5- 6.5; add medicinal charcoal to the mixture, stir; suction filter, add water for injection to the full amount, mix evenly; fine filter; fill; sterilize; The pharmaceutical composition of fasudil hydrochloride has good light stability, no crystallization and clarity, and good stability. The invention has the advantages of improving product yield, reducing cost, realizing industrialization, and better clinical application. more obvious advantages.
Owner:TIANJIN HANKANG PHARMA BIOTECH

Health care apparatus based on linear package of lighting-emitting diodes (LEDs)

The invention discloses a health care apparatus based on linear package of lighting-emitting diodes (LEDs) and belongs to the technical field of health care equipment. The health care apparatus based on the linear package of the LEDs aims at solving the problems that the existing health care apparatus based on the LEDs is large in size, complex in operation, not easy to take along and poor in function. The health care apparatus based on the linear package of the LEDs comprises a flexible linear LED luminous part, a power source device, an outer sleeve part and an edge part. The linear LEDs can be packaged into flexible thin lines of 0.5mm-2mm. The health care apparatus can repair soft tissue injury, and is convenient to carry and use, good in function effect and high in safety. The health care apparatus made of the linear LEDs can be freely cut out, so that the applicable scope of the health care apparatus made of the linear LEDs is enlarged.
Owner:GUANGZHOU YIXIN ENERGY SAVING SERVICE

Walnut antioxidant polypeptide chewing flake and preparation method thereof

The invention discloses a walnut antioxidant polypeptide chewing flake and a preparation method of the walnut antioxidant polypeptide chewing flake. The walnut antioxidant polypeptide chewing flake is 1.0g+ / -0.05g in weight, the walnut polypeptide powder added to each flake is 0.7g+ / -0.035g, the soybean fructo-oligose is 0.2g+ / -0.01g, and the walnut antioxidant polypeptide chewing flake also comprises 2.0-2.5% of hydroxypropyl methyl cellulose, 3-5% of polyvinylpolypyrrolidone, 1-1.5% of magnesium stearate, and the balance of water. The preparation method comprises the following steps: degreasing walnut powder; soaking; adjusting pH; performing ultrasonic-assisted mixing, centrifuging, removing an oil layer and a lower layer sediment; adjusting the pH of the solution; performing enzymolysis; performing enzyme deactivation; adding soybean polysaccharide; homogenizing; spray drying; mixing the walnut polypeptide powder, the soybean fructo-oligose and the auxiliary materials; preparing soft particles; pelletizing; drying; straightening; tabletting; sterilizing; and packaging into the product. The walnut antioxidant polypeptide chewing flake is stable in preparation process, reliable and optimal in technical index, high in nutritive value, high in utilization rate of protein, and quick to digest and absorb inside a body, and has the functions of having low antigenicity, promoting muscle erythrocyte recovery, helping recovery from fatigue and the like.
Owner:辽宁通正检测有限公司

Method for preparing aspidium rhizoma natural dye and product thereof

The invention discloses a method for preparing natural dyes and products thereof. Crush the plant pulp, then add it to 5-20 times the aqueous solution for soaking, after the pulp is fully wetted, add sodium hydroxide, sodium carbonate, sodium silicate or sodium phosphate, adjust the pH of the solution to 10-13, and heat up Heat to 95-100°C, keep warm for 60-90 minutes, filter; continue to leach the filter residue with an alkaline solution with a pH of 10-13, filter, combine the two extractions to obtain a natural dye stock solution; concentrate, solidify, and pulverize the stock solution to obtain a powder like natural dyes. Silk and wool products can be dyed without mordant, under the condition of mordant dyeing after mixing rare earth chloride, under the condition of mordant dyeing after metal aluminum salt or after mordant dyeing condition of metal ferrous salt; cotton products are firstly treated with cationic modifier After modification, dyeable cotton products are dyed with Guanzhong natural dyes. The invention has the advantages of simple extraction process, high efficiency, stable quality and broad market prospect; the preparation process will not cause environmental pollution.
Owner:ZHEJIANG SCI-TECH UNIV

B-ultrasonic traditional Chinese medicine imaging assistant and preparation method thereof

The invention discloses a traditional Chinese medicine shadow assisting agent used in B-ultrasound and a preparation method thereof, and the shadow assisting agent comprises various materials with the following weight proportions: 10 to 20 portions of abalone shell, 10 to 20 portions of concha mauritiae, 10 to 20 portions of medicated leaven, 10 to 20 portions of radix codonopsitis, 10 to 20 portions of atractylodes, 10 to 20 portions of tuckahoe, 10 to 20 portions of bletilla striata, 10 to 20 portions of field pennycress, 10 to 20 portions of radix linderae and 10 to 20 portions of radix aucklandiae. The traditional Chinese medicine shadow assisting agent used in B-ultrasound has safe usage, no pain, no wound, no toxicity, no allergy reaction, short checking time, high imaging rate, convenient i usage, easy application and low cost, and provides a new technology and new method for the accurate diagnosis of diseases at early stage, and provides a powerful foundation for the clinical diagnosis, and the traditional Chinese medicine shadow assisting agent is a comparatively ideal novel shadow assisting agent.
Owner:秦峰

Esthetic carpet fragrance microcapsule finishing agent and preparation thereof

The invention relates to an esthetic carpet fragrance microcapsule finishing agent and preparation thereof. The finishing agent comprises, by mass, 5% -30% of fragrance microcapsules, 4%-50% of synthetic rubber latex, and the balance water. The method specifically comprises that the fragrance microcapsule finishing agent is added to backing lining glue of an esthetic carpet fabric, performing drying trough a coating process, and the method is completed. According to the esthetic carpet fragrance microcapsule finishing agent and the preparation thereof, the process is simple, the method can be applied to the esthetic carpet fabric conveniently, no special device is added, dehydration is not required, the processing temperature is easy to achieved, continuous production can be conducted, the esthetic carpet fabrics finished by the method have lasting fragrance, the villose surface appearance effects of small carpets are not effected, the effect is good and free from damage, and the fragrance can last for more than one year.
Owner:DONGHUA UNIV +1

Compound disinfectant, and preparation method and application thereof

The invention relates to a disinfectant, and provides a compound disinfectant combining traditional Chinese medicine and Western medicine, and a preparation method and application thereof. The disinfectant is prepared by combining the traditional Chinese medicine and the Western medicine in proportion through extracting effective components of traditional Chinese medicines--honeysuckle, Coptis chinensis, baikal skullcap root, cortex phellodendri, cordate houttuynia, Sophora flavescens, belvedere fruit, common cnidium fruit and dandelion as main materials and supplementarily adding the Western medicine--chlorhexidine. The compound disinfectant provided by the invention has the characteristics of odorlessness, tastelessness, colorlessness, no toxic and side effects, no allergic reactions, low drug resistance, etc., has stable performances, no irritation to human skin and broad antibacterial spectrum, is capable of rapid and efficient sterilization and disinfection and can be effectively applied to sterilization and disinfection in a variety of regional locations.
Owner:金维元

Method for preparing photinia fruit natural dye and application of photinia fruit natural dye

The invention relates to the field of natural dyes and application thereof and aims to provide a method for preparing a photinia fruit natural dye and application of the photinia fruit natural dye. The preparation method comprises the following steps of: (1) washing and airing fresh photinia fruits and dried photinia fruits, and mechanically crushing the fruits; and (2) adding the crushed photinia fruits into aqueous solution of ethanol for reflux extraction, raising the temperature of the extract to between 70 and 90 DEG C, keeping the temperature, filtering and distilling under reduced pressure to make the volume of concentrated solution 1 / 6 to 1 / 2 of the original volume of the extract so as to obtain the concentrated photinia fruit natural dye. The method for preparing the photinia fruit natural dye has the advantages of simple extraction technology, extraction efficiency obviously higher than that of ethanol reflux and other methods, and no environmental pollution in the extraction process; and the extract has the advantages of good color fastness to protein fibers, capacity of increasing color spectrum after dyeing by using environment-friendly dye mordant treatment, gentle color and safe wear of the dyed fabrics without carcinogenic, teratogenetic actions or anaphylactic reaction, high ecological environment compatibility, biodegradation, low price, full utilization of natural resources and wide market prospect.
Owner:ZHEJIANG SCI-TECH UNIV

A high-yielding glucosamine engineering bacterium and its construction method through homologous recombination knockout of manx

The invention discloses a high-glucosamine-yield engineering bacterium and use thereof. In the invention, the gene engineering bacterium E.coli-glmS-gnal-deltanagE-deltamanX is obtained by transferring a glucosamine synthase gene (glmS) and a glucosamine acetyltransferase (gnal) into E.coli K-12 and knocking out an acetylglucosamine phosphoric acid transfer system nagE gene and a mannose phosphoric acid transfer system manX gene; the strain is used for fermenting to produce glucosamine, and has the advantages of short fermentation time, high production strength, low production cost, small environment pollution, no allergic reaction and the like; and the produced glucosamine can be widely used in fields of medicines, foods and the like.
Owner:JIANGNAN UNIV
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