283results about How to "Waterproof and breathable" patented technology

The invention relates to an all-in-one water-borne inorganic-organic hybrid architectural coating and a preparation method thereof, wherein the all-in-one water-borne inorganic-organic hybrid architectural coating is prepared by taking a compounded product of a water-borne inorganic film-forming matter and an organic polymer emulsion as a base material through the steps of adding various pigments / fillers and auxiliaries into the base material, then carrying out beating, grinding and paint mixing on the obtained mixture. In the invention, through a Si-O-Si polymer net structure which can be formed by compounding alkali metal silicates and small-particle-size silica sols in the process of film forming, the early water resistance of a paint film is greatly increased, and the eventual hardness, scraping resistance and stain resistance of the paint film are greatly increased; and through adding the organic polymer emulsion, the film-forming performance of the coating can be improved, and the defects that the traditional two-component inorganic coating is easy to crack, bad in decorative properties, poor in storage stability, and the like are overcome. The coating prepared by using the method disclosed by the invention has various functions of environmental friendliness, non-toxicity, thermal insulation, ultra scrubbing resistance, abrasion resistance, yellowing resistance, ageing resistance, fouling resistance, good air permeability, sound insulation, and the like.

The invention provides environment-friendly antibacterial and mildew-proof wallpaper. The environment-friendly antibacterial and mildew-proof wallpaper comprises a base layer, wherein the back face of the base layer is provided with a waterproof coating; a coating layer is arranged on the base layer; a bamboo charcoal fiber layer is arranged on the coating layer; an antibacterial layer is arranged on the bamboo charcoal fiber layer; a diatomite adsorption layer is arranged on the antibacterial layer; a printing embossing layer is arranged on the diatomite adsorption layer and is coated with a mildew resisting coating; a polytetrafluoroethylene layer is arranged on the mildew resisting coating and is provided with a film coating layer. The wallpaper is provided with the coating layer, the antibacterial layer and the bamboo charcoal fiber layer, and the triple effect enables the wallpaper to have a good antibacterial property; the coating layer and the mildew resisting coating are arranged so that the wallpaper is good in mildew resistance; furthermore, the diatomite adsorption layer is arranged so as to further enhance the deodorization capability of the wallpaper; finally, the wallpaper provided by the invention has good antibacterial, mildew-proof and deodorization performance.

The invention belongs to the field of building materials and particularly relates to nano modified Portland cement base facing mortar and a preparation method thereof. The nano modified Portland cement base facing mortar comprises the following components in percent by weight: 12-17 percent of cement, 3-8 percent of mineral mixture, 0.2-0.6 percent of nano materials, 8-12 percent of ground calcium carbonate, 60-70 percent of quartz sand, 1.5-2.2 percent of latex powder, 0.6-1 percent of cellulose ether, 0.4-1 percent of pigment and 0.2-0.4 percent of other additives. The nano modified Portland cement base facing mortar solves the problem that the Portland cement base facing mortar is apt to be efflorescent and be stained, has the advantages of good construction performance, high construction efficiency, good compatibility and match with various base materials, uniform color, higher strength, good weather resistance, good air permeability, good waterproof performance, low cost and the like, and can be particularly used as a facing decoration material for external heat insulation systems of exterior walls of buildings.

The invention relates to a method for preparing water-proof antibacterial polyurethane elastomer. Use one-step or two-step synthesizing method which inorganic solvent which is easy and useful to control, or that with organic solvent, with the polymer diatomic alcohol of 20-75%, diisocyanate and chain-extending agent of 25-80%through a certain technique mol ratio of diisocyanate chain-extending agent is 1.03-1.2, while the antibacterial blocking agent is 1.5-2times of the mole number difference of diisocyanate and polymer diatomic alcohol+ chain-extending agent. The antibacterial polyurethane elastomer made by the invention has outstanding mechanical property and permeability of water steam, as well as antibacterial effect, including gram-positive bacterium and gram-negative bacterium; it can be applied to produce protective product like medical protective glove, safeguard and various kinds of coating material.

The invention discloses a surface-decorative mortar for solving the problems that an existing surface-decorative mortar is easily whitened and solving the problems of crisis plant growth. The surface-decorative mortar consists of the following raw materials in parts by weight: 40-80 parts of aluminate cement, 1-30 parts of Portland cement, 20-30 parts of semi-hydrated gypsum, 350-400 parts of quartz sand, 4-12 parts of latex powder, 0.1-0.5 parts of cellulose ether, 0.01-0.5 parts of a retarder, 1-9 parts of a pigment and 75-90 parts of water, wherein the sum of the aluminate cement, the Portland cement and the semi-hydrated gypsum is 100 parts. The surface-decorative mortar disclosed by the invention does not have whitening phenomenon, is good in stain resistance, low in water absorbing capacity, high in bonding strength, good in long-term application performance, durable in color and luster and good in water-proof and air-permeable performance.

The invention discloses a flexible water system zinc ion battery. The flexible water system zinc ion battery comprises a cathode layer, an anode layer, a current collection layer, a diaphragm and an aqueous electrolyte. The current collection layer comprises a breathable layer and a substrate layer, the substrate layer is provided with at least one opening holes. The perforated structure of the breathable layer and the substrate layer solves the problems of gas generation and electrolyte drying in the battery circulation process, so that the internal and external gaseous water of the battery reaches the states of circulation exchange and dynamic balance, and the circulation performance of the battery is greatly improved; and the assembled flexible water system zinc ion battery has the advantages of light weight, thin thickness, low cost, environmental friendliness, high safety, good rate capability, high power density and the like, and the excellent bending performance and flexibilityof the flexible water system zinc ion battery can meet the bending requirements of different angles, so that the flexible water system zinc ion battery is suitable for large-scale application and industrial production in the field of wearable electronic equipment.

The dry mixed polymer mortar consists of quartzite 60-65 wt%, cement 20-25 wt%, limestone powder 8-12 wt%, amylase 3-3.5 wt%, thixotropic bentonite lubricant 1-3 wt%, organic silicon compound 1.5-2.0wt%, hydrophobic agent 0.15-0.20 wt%, methyl cellulose 0.20-0.30 wt% and cellulose fiber 0.30-0.60 wt%. It is one kind of green furnishing and decorating material and has the features of light weight, high strength, high adhesion, being fireproof, etc.

The invention provides an environment-friendly antibacterial moistureproof wallpaper, comprising a base layer, wherein a waterproof coating is arranged on the back side of the base layer; a coating layer is arranged on the base layer; a bamboo charcoal fiber layer is arranged on the coating layer; a bamboo charcoal fiber reinforcing layer is arranged on the bamboo charcoal fiber; an antibacterial layer is arranged on the bamboo charcoal fiber reinforcing layer; a printing embossing layer is arranged on the antibacterial layer; a moistureproof layer is coated on the printing embossing layer; a polytetrafluoroethylene layer is arranged on the moistureproof layer; a laminating layer is arranged on the polytetrafluoroethylene layer. The four layers, namely the bamboo charcoal fiber layer, the polytetrafluoroethylene layer, the moistureproof layer and the laminating layer, have certain moisture resistance, and have quadruple protection roles, so that the wallpaper disclosed by the invention has excellent moisture resistance. The antibacterial layer, the bamboo charcoal fiber layer and the coating layer have antibacterial properties and triple protection roles, so that the wallpaper disclosed by the invention has excellent antibacterial property.

The invention discloses an efficient-spraying type dry-mixing and wet-mixing mortar plasticizer composition as well as a preparation method and an application method thereof. The composition comprises the following components in percentage by weight (100% in total): 1%-5% of a plasticizer, 15%-30% of a thickening agent, 30%-50% of a retarder, 10%-25% of an anti-cracking agent, 1-5% of a water-retaining agent, 5%-10% of an enhancer, and 1%-5% of a binding agent. By utilizing the composition, the workability, water-retaining property, adhesive property and cracking resistance of coating mortar can be remarkably improved, the cracking, hollowing and falling of the mortar are avoided, and various performance indexes such as the strength and permeability resistance of the mortar can be improved; and furthermore, cement can be saved, and the disadvantages of easiness in ash blasting, high shrinkage, low strength and the like of the cement mixed mortar are overcome.

The invention relates to an environment-friendly water-based spinning coating adhesive and a preparation method thereof, belonging to the technical field of textile coating materials. The coating adhesive is mainly prepared from major ingredients, auxiliary agents and water, wherein the major ingredients comprise butyl acrylate, ethyl acrylate, crylic acid, hydroxy-ethyl acrylate or oxypropyl acrylate, TDI and MDI, and the auxiliary agents comprise mulsifier, itaconic acid, evocating agent, cross linker and sealant. The textile coating material is an environment-friendly and high-grade spinning coating adhesive with the product quality reaching to the national advanced level and the cost being only 70 percent of import products. The preparation method and the using process are environment-friendly and can greatly reduce environmental pollution caused by spinning industrial production.

The invention discloses waterproof breathable packing bag and the making methods. The packing bag is made of bond of waterproof breathable thin films and flame retardant fabrics by non-drying glue after compounding. The making method is that the waterproof breathable thin films and flame retardant fabrics are compounded to form the raw materials for making the packing bag and the raw materials are cut out in accordance with the size of the needed packing materials; the raw materials are folded with the waterproof breathable thin films as the inner and the non-drying glue is used to bond the seal edge into bag shape; the seal edge has width larger than 2mm and each seal edge is bonded again after folding. The packing bag of the invention has good waterproof breathable performance and can meet the requirement of the space and the relative waterproof breathable application of the ground, which is especially suitable for space breeding and has safe and convenient making method and good manufacturability.

The invention relates to the technical field of polyester chemical fiber filaments for spinning, in particular to multi-color polyester slub fully drawn yarns (FDYs) produced by a heat roller at a variable speed and a production method thereof. The invention is characterized in that: the polyester slub FDYs are slub-like filament strips with alternate coarse and fine filament segments along the axial direction and are provided with one or more different coarse and fine fiber segments, wherein the coarse fiber segments are subjected to heat-moisture treatment to form apparent fine and hard slub segments, but precursor strip fine segments become apparent coarse fiber segments. Compared with the prior art, the invention has the advantages that: equipment is simply modified, and the filament strips are provided with fluffy fiber segments and fine, hard and smooth slub segments, so the produced polyester multi-color slub FDY filaments are woven into a high-density fabric with high water resistance and air permeability, color patterns with different chroma can be dyed by one dye, and obvious economic benefits and social benefits are achieved.

The invention discloses a pair of raining boots for special policeman. Each raining boot comprises an upper, a sole and an insole, wherein the upper comprises an oxford fabric and an ecological functional polyurethane synthetic leather material matched with the oxford fabric; the insole refers to an insole with a Kevlar puncture-resistant function; the hooked core refers to a hooked core made of a glass fiber resin material; the lining of the upper comprises a waterproof breathable film, a high-density sponge layer and a cloth base material layer; the sole comprises an upper polyethylene sole and a lower rubber anti-slip sole; the insole comprises a dermis layer, an antibacterial clean-up bed, an insole high-density sponge layer and an insole cloth base material layer from top to bottom. The pair of raining boots for special policeman has the high-performance and multifunctional characteristics that the pair of training boots is waterproof, breathable, puncture-resistant, antibacterial, mould-proof, shock-absorbing, damping, safe, anti-slip, and the like.

The invention discloses a waterproof breathable type knitted fabric, which sequentially comprises an upper waterproof layer, an upper breathable layer, a lower breathable layer and a lower waterproof layer from outside to inside, wherein a plurality of upper breathable holes are evenly distributed in the upper breathable layer; a plurality of lower breathable holes are evenly distributed in the lower breathable layer; and the upper breathable holes and the lower breathable holes are distributed in a staggered manner. Through the manner, the fabric disclosed by the invention can form an airflow channel in the fabric, so that the fabric has the characteristics of being hygroscopic, sweat-releasing, waterproof, breathable, comfortable to wear and the like.

The invention discloses a composite cloth for a curtain roller shutter and a preparation method of the composite cloth. The composite cloth comprises a plasma-treated base cloth and a polyurethane TPUfilm attached to the base cloth, wherein the polyurethane TPU film is prepared by the following method that 70-80 parts of polyurethane TPU, 4-6 parts of low-density polyethylene (LDPE), 4-6 parts ofcarbon black, 4-6 parts of titanium oxide, 4-6 parts of nano glass micro-beads and 4-6 parts of phenyl salicylate are mixed evenly, then extruded and subjected to tape casting to form the film. By modifying the polyurethane TPU, the obtained composite cloth is soft and comfortable in hand feeling, environmental protection, shading, strong light irradiation resisting, ultraviolet protection, washing and dry-cleaning resisting and aging resistance are achieved, excellent light resistance and aging resistance are achieved, the adhesion fastness of a product is high, and the quality-guarantee service life is ten years or above. After the surface of the base cloth is activated, the modified polyurethane TPU film is composited in a hot-pressed mode, glue is not used, and thus real energy savingand environmental protection are achieved.

The invention discloses special polymer dry-mixed mortar for mechanized construction. The dry-mixed mortar is mainly prepared from natural sand, cement, pulverized fuel ash and starch ether according to a certain weight ratio. The materials do not contain any toxic or harmful substance, and the dry-mixed mortar has the characteristics of light weight, high adhesive force, seamlessness, hollowing avoidance, cracking resistance, pulverization resistance, high waterproof permeability, impact resistance, high toughness and convenience in construction and is a non-toxic, pollution-free and environment-friendly decorative material.

The invention relates to a four-layer coaxial fiber wound dressing and a preparation method thereof and belongs to the field of biological materials. The material is prepared by adopting a synthetic polymer with biocompatibility and a natural polymer as main raw materials and using a four-layer coaxial needle through an electrostatic spinning method. The fiber has a four-layer coaxial structure, various layers of matrixes load different drugs according to the wound healing mechanism, and the release sequence of the drug can correspond to the wound healing process. The material has excellent biocompatibility and can release the drug in a manner of fitting with the wound healing mechanism.

The invention relates to a waterproof breathable antibacterial type TPU (thermoplastic polyurethane) film and a preparation method thereof. The TPU film comprises polytetramethylene ether glycol, polyethylene glycol, diisocyanate, a chain extender, dodecyl dimethyl tertiary amine alcohol, epoxy chloromethane, epoxy acid and alkyl halide. The preparation method comprises the following steps: (1) adding polytetramethylene ether glycol, polyethylene glycol and dodecyl dimethyl tertiary amine alcohol while stirring, and performing dehydration in a vacuum state; (2) cooling a reaction vessel, and adding diisocyanate to perform pre-polymerization reaction under a protective atmosphere; (3) adding the chain extender to perform TPU synthetic reaction; (4) heating the reaction vessel, adding epoxy chloromethane, epoxy acid and alkyl halide, and performing heat preservation; and (5) adding a solvent under a vacuum condition, and heating to perform quaternization to obtain the waterproof breathable antibacterial type TPU film. The TPU film has good waterproof and breathable properties and extremely strong bactericidal ability, and has extremely broad prospects in application of medical instruments and appliances.

The invention provides environment-friendly flame retardant wallpaper, comprising a base layer, wherein a waterproof coating is arranged on the back side of the base layer; a coating layer is arranged on the base layer; a bamboo charcoal fiber layer is arranged on the coating layer; a first-level fire-retardant layer is arranged on the bamboo charcoal fiber layer; a printing embossing layer is arranged on the first-level fire-retardant layer; a second-level fire-retardant layer is arranged on the printing embossing layer; a polytetrafluoroethylene layer is arranged on the second-level fire-retardant layer; a laminating layer is arranged on the polytetrafluoroethylene layer. The three layers, namely the coating layer, the first-level fire-retardant layer and the second-level fire-retardant layer, are arranged on the wallpaper, and have fire resistance, so that the wallpaper disclosed by the invention has excellent fire resistance by the triple effects. The wallpaper disclosed by the invention also has the properties of antibacterial property, mildew resistance, deodorizing property, humidity resistance and the like while having good fire resistance, and thus being green environment-friendly multifunctional wallpaper as a whole.

The invention relates to an ultrathin leisure fabric with windproof and breathable functions and a manufacturing method of the ultrathin leisure fabric with the windproof and breathable functions. The method includes the steps that material is mixed; a blank is manufactured; pushing and pressing are performed; calendaring is performed; ungreasing treatment is performed; longitudinal stretching is performed; bi-directional stretching is performed in an arc shape; after transverse stretching, agglomeration and solidification are performed; films are attached through a release paper transferring method; the ultrathin leisure fabric is formed through glue compositing on textile fabric. The ultrathin leisure fabric manufactured through the steps is used for the fields of down garments, leisure sportswear, shoemaking and others, the thickness of the teflon microporous film is 2 micrometers-5 micrometers, the pore diameter is 0.5 micrometer-2 micrometers, and the porosity is over 80%. The ultrathin leisure fabric has the multiple functions of being light in weight, windproof, waterproof, breathable and resistant to ultraviolet and corrosion, discharging sweat and keeping warm and is suitable for various products, which are made of functional materials, for kinds of sports, leisure and women and children.

The invention provides putty powder for building inner and outer walls and a preparation method of the putty powder. The putty powder is prepared from ash-calcium, talcum powder, cement, cellulose, rubber powder, a binding agent and reinforcing powder. The reinforcing powder is formed by mixing composite powder, diatomite and calcium oxide, and the composite powder is obtained by sintering clay, silicon carbide, carbon powder and aluminum hydroxide. The binding agent is prepared from alumina micro powder, modified nanosilicon dioxide, polyethylene glycol and water. The putty powder contains the reinforcing powder and binding agent with special ingredients, when the putty powder is manufactured, the ash-calcium, the binding agent and the reinforcing powder are mixed firstly, hot water is added, the materials are stirred, part of ash-calcium is injected into a microcellular structure or adheres to the surface, then the ash-calcium is fully bonded with the cellulose and the rubber powder added later, therefore, the bonding performance between all the ingredients in the putty powder is enhanced, the anti-cracking performance and hardness of the putty powder are enhanced, and the waterproof performance of the putty powder is also improved to a certain degree.

The invention discloses an instantaneous high temperature resistant intelligent fire-resistant heat-insulating composite fabric structure. A vertical section of the composite fabric structure shows that from outside to inside, the composite fabric structure comprises orderly a fire-resistant outer layer, a heat insulating layer, a water-repellent and gas-permeable layer and a comfortable layer. The fire-resistant outer layer and the comfortable layer are sewn into a pipe structure and the heat insulating layer and the water-repellent and gas-permeable layer are wrapped in the pipe structure. Under a temperature excitation, the composite fabric can display a shape memory function, increase a fabric thickness and form an air layer so that a heat insulating performance is improved. The composite fabric has the advantages of reasonable structure, good flame retardancy, excellent thermal insulation performances, good water-repellent and gas-permeable performance, good comfortableness and good reusability of shape memory alloy fiber. Therefore, the composite fabric can be utilized for instantaneous high temperature resistant fire-resistant protective clothing.

The invention discloses an intelligent mattress and system for infant monitoring and a remote automatic adjustment method. A giant-piezoelectricity zinc oxide nanoarray with high sensitivity and measuring precision is used for measuring the heart rate value and the body motion, a capacitive film array of the mattress can measure the human body stress distribution, and if an infant sleeps beyond a safe area, the system can give an alarm. The mattress is further provided with a radiation-proof heating part. The intelligent mattress system has the advantages of adjusting the sleep environment by itself and adjusting the sleep environment by an APP. Sleep analysis can be carried out through the APP, and when the human body is uncomfortable and the environment exceeds a set range, the APP gives an alarm; the APP can issue instruction information through WIFI and transmit feedback information to an MCU, and the MCU controls a control device to work or not by controlling on / off of a relay. A guardian using the mattress can carry out remote monitoring and adjustment; besides, a remote video function can be started to relieve the pressure of the guardian.

The invention discloses a waterproof and elastic fabric. The waterproof and elastic fabric adopts hard and short fiber as surface fiber, and adopts composite polyester filament fiber as skeleton fiber, core-spun composite yarn using the hard and short fiber to coat the composite polyester filament fiber is formed by blending, and then a waterproof coating agent is sprayed; the waterproof coating agent comprises the following components in parts by weight: 70-85 parts of octadecylphenol, 5-8 parts of dimethylhydrogenouspolysiloxane, 3-8 parts of silane coupling agent, 0.5-1.2 parts of sodium polyacrylate dispersing agent and the balance of water, and the mass percentage of water in the waterproof coating agent is 55-85%; the waterproof and elastic fabric is prepared by processes of spooling, warping, slashing, drawing-in, weaving and finishing; and the hard and short fiber accounts for 70-85%, the composite polyester filament fiber accounts for 15-30% and is a composite material of poly-m-phthalic acidbutanediol ester and poly-p-phthalic acidbutanediol ester. The waterproof and elastic fabric disclosed by the invention has the advantages of good waterproof and air-permeable properties and excellent appearance and hand feeling.

The invention provides fragrant green and environment-friendly wall paper, which comprises a base layer, wherein a waterproof coating is arranged at the back side of the base layer; a coating layer is arranged on the base layer; a bamboo carbon fiber layer is arranged on the coating layer; a fire-retardant layer is arranged on the bamboo charcoal fiber layer; a printing embossing layer is arranged on the fire-retardant layer; an antibacterial fragrant layer is arranged on the printing embossing layer; a polytetrafluoroethylene layer is arranged on the antibacterial fragrant layer; and a film covering layer is arranged on the polytetrafluoroethylene layer. The fragrant green and environment-friendly wall paper has the advantages that the antibacterial fragrant layer is singly adopted, and nanometer essence is matched with chitosan and sodium tripolyphosphate to be used, so the wall paper gives out fragrant smell, and the living environment can be improved. The wall paper has good fragrance performance, also has antibacterial performance, mildew-proof performance, deodorization performance, damp-proof performance, fire-retardant performance and the like at the same time, and is integrally green and environment-friendly multifunctional wall paper.

The invention discloses a production method of golf shoe plus material, which covers and presses a protecting layer composed of a surface layer and a bottom layer on the second layer of cow skin to produce golf shoe plus material. Wherein, the protecting layer mainly adopts wet PU resin with waterproof, venting, abrasion standing performance. Comparing with the prior art, the beneficial effect is that: the produced golf shoe plus material not only can stand water, vent, but also can stand abrasion, the produced golf shoe has the advantages of good waterproof and air permeability, conformability and standing abrasion.

The invention discloses water-based waterproof and moisture-permeable garment leather and a preparation method thereof. The preparation method of the water-based waterproof and moisture-permeable garment leather comprises the following steps of SS1, wet mixing and preparation of materials; SS2, production of a water-based wet base; SS3, dry mixing preparation of the materials; SS4, selection of release paper patterns; SS5, dry manufacturing; SS6, surface treatment and pattern rubbing. The water-based waterproof and moisture-permeable garment leather and the preparation method thereof have theadvantages that the water-based waterproof and moisture-permeable garment leather produced by means of the method has the characteristics of super softness, skin affinity feel, no volatile solvent, safety and environmental protection, and a garment made by the leather has the functions of being waterproof, permeable in moisture, comfortable to wear and warm.

The invention discloses waterproof and breathable shoes and a preparation method thereof. Each shoe comprises a vamp and a sole; the vamp comprises an outer layer, a middle layer and an inner layer; the outer layer is in knit construction, the middle layer adopts a waterproof and breathable polyurethane film structure, and the inner layer is made of cotton fabrics; the preparation method is as follows: orderly nesting and stacking the outer layer, the middle layer coated with dotted glue at two surfaces and the inner layer in a mould-pressing mold, hot-pressing and shaping, cooling to obtain the vamp; banburying modified white carbon black, octadecanoic acid and accelerant, and then putting in the mixed natural rubber and bytadiene styrene rubber, banburying, placing, cooking, sulfurizingto obtain the sole; adhering the vamp and the sole, performing instant punching treatment to obtain the waterproof and breathable shoe. The waterproof and breathable shoe disclosed by the invention isexcellent in waterproof and breathable performance, the bacteria breeding on the foot can be effectively inhibited, and the foot odor can be masked; the use performance is excellent, the health carecan be performed on the sole of the foot can be in the process of wearing the shoes, and the service life is long; the preparation method is simple and feasible, and the production efficiency is high.

The invention discloses a non-woven fabric containing a honeysuckle extracting solution and a preparation method thereof. The non-woven fabric is characterized by being made from the following raw materials in parts by weight: 3-6 parts of the honeysuckle extracting solution, 3-7 parts of bamboo filament fiber powder, 1-2 parts of chitosan, 4-8 parts of nanometer tourmaline powder, 4-9 parts of PAMAM solution, 5-10 parts of polylactic acid, 1-2 parts of spandex, 1-2 parts of polyethylene glycol 200, 3-5 parts of activated carbon, 4-8 parts of peppermint essence, 10-15 parts of sodium periodate solution, 50-70 parts of isotatic polypropylene, 3-6 parts of kieselguhr, 1-2 parts of sodium dodecyl sulfate, a defined amount of carboxymethyl cellulose sodium and a defined amount of water. The nanometer tourmaline powder is added into the non-woven fabric, so that the effect of continuously releasing negative oxygen ion can be achieved; when the non-woven fabric is applied to a clothing liner, the clothing liner has the effects of calming, easing pain, relieving cough, relieving itching, increasing appetite and reducing blood pressure; the honeysuckle extracting solution is added, so that the prepared non-woven fabric has the effects of preventing water, being breathable, keeping warm and expelling parasite.

The invention discloses a preparation method of antibacterial cellulose and application of the obtained antibacterial cellulose in preparing antibacterial fiber surgical dressing. The preparation method comprises the following steps: purifying a cellulose derivative; adding the purified cellulose derivative and acid anhydride into an acetone solution in the presence of a catalyst, heating, and stirring; activating hydroxyl in an ester, washing precipitates in absolute ethyl alcohol, performing suction filtering to obtain the ester, and obtaining a grafted ester; grafting ethylenediamine protected by di-tert-butyl dicarbonate ester and a broad-spectrum antibacterial agent; and enabling the ester to have esterification with a product, thus obtaining the antibacterial cellulose. The prepared esterification product is high in moisture absorption, a modified product of a grafted antibacterial agent has good antibacterial effect for negative and positive bacteria, the medical dressing not only can play a bacteriostatic effect when in bacterial infection, can avoid the breeding of the bacteria, also has the advantage of water resistance and water permeability, and can well protect a wound area.