72results about How to "Good antimicrobial" patented technology

This application is directed to compositions of particular combinations of antimicrobial components which may be incorporated into a polymeric molding compositions or polymeric coating compositions. The antimicrobial components include a alkylaminoalkyl(meth)acrylate polymer (b) and antimicrobial metal (a) containing components which lead to improved antimicrobial effects. The compositions are of special interest to durable touch surfaces found in hospitals and clinics. The compositions are also suitable for use in biomaterials such as catheters and the like.

Described herein are methods and compositions for preparing an adsorbent composition for sustained silver ion release is provided. The method comprises impregnating silver nanoparticles on an organic-templated-nanometal oxyhydroxide. Particle size of the silver nanoparticles is less than about 50 nm. The adsorbent composition is antimicrobial in water. In an aspect, the organic- templated-nanometal oxyhydroxide is organic-templated-boehmite nanoarchitecture (OTBN). The resultant adsorbent composition is used as a water filter in a water purification device.

An aqueous, alkaline cleaning composition for use on hard-to-clean soils, encountered in pharmaceutical, personal care, food and cosmetic manufacturing, comprising a source of alkalinity, a biodegradable surfactant system further comprising one or more surfactants, one or more hydrotropes, and a UV-analyzable surfactant, and a biodegradable chelating agent. The composition offers unique advantages of stability over the expected shelf life, low-foaming property, phosphate-free and biodegradable components, and unexpectedly enhanced antimicrobial, including virucidal, activity in one cleaning composition. The UV-analyzable surfactant allows for validation of cleaning processes using known techniques for manufacturers who are required or desire to do so.

Various embodiments of the present invention are directed to switchable carboxybetaine-based polymers, hydrogels, and / or elastomers, along with novel related monomers, crosslinkers, and methods. Under acidic conditions, the materials undergo self-cyclization and can catch and kill bacteria. Under neutral / basic conditions, these materials undergo ring-opening and can release killed bacterial cells and resist protein adsorption and bacterial attachment. These smart polymers, hydrogels and elastomers also show excellent mechanical properties making them highly desirable for many biomedical applications.

Disclosed is a novel method for preserving cosmetic / personal care formulations through a two component preservative system, said system comprising (a) Component I which functions to eliminate the existing microbial contamination load in a natural cosmetic formulation base through an optimized pasteurization method that avoids deep freezing; and (b) Component II that includes the step of adding synergistic blends of fractionated essential oils, extracts and isolated compounds to the pre-pasteurized cosmetic base obtained through the method of component I, wherein the synergistic blends sustain the effects of pasteurization through anti-microbial and anti-oxidant effects, said anti-oxidant effects enhancing further the anti-microbial effects by virtue of inhibiting lipid per oxidation that facilitates the undue proliferation of microbe.

The present invention relates to an antimicrobial pigment, its production process, and a cosmetic composition containing the pigment. More particularly, it relates to an antimicrobial cosmetic pigment produced by forming an amorphous glassy inorganic coating layer of metal oxides over the surface of inorganic cosmetic pigment and intercalating antimicrobial metals inside the lattice structure of the coating layer, it's production process, and a cosmetic composition containing it. Silica, either alone or as the principal ingredient in combination with one or more oxides selected from the group consisting of zinc oxide, magnesium oxide, calcium oxide, aluminum oxide, lithium oxide, sodium oxide, potassium oxide, and ferric oxide is utilized as the metal oxide and the composition utilizes silver, copper and zinc as the antimicrobial metals.

The invention relates to a hydrophobic associated polymer containing a capsaicin activated monomer and a preparation method thereof. The method comprises the following step: by taking an acrylamide monomer containing capsaicin activity as a hydrophobic monomer, carrying out polymerization reaction on the acrylamide monomer and acrylamide and (methyl) crylic acid under initiation of a water-soluble initiator when in preparation, wherein the weight part ratio of the acrylamide monomer containing capsaicin activity to the acrylamide to the (methyl) crylic acid is (1-20) to (60-90) to (9-20), the reaction temperature is 30-80 DEG C, and the reaction time is 2-20 hours. The hydrophobic associated polymer macromolecule disclosed by the invention simultaneously contains a carboxyl group and a hydrophobic unit containing capsaicin activity with a rigid benzene ring structure, displays good viscosifying capacity, solubleness, salt resistant and temperature-resistance, and antimicrobial properties, is low in price, and can be used as a novel oil-displacing agent to be applied in tertiary oil recovery of an oil field.

The invention relates to a hydrophobic association zwitterionic polymer and a preparation method thereof. The preparation method comprises the following steps: adding acrylamide, acrylic acid and cationic monomers containing quaternary ammonium groups sequentially into a reactor; adding water and dissolving; adjusting the pH value of a system to be 6 to 9 by using NaOH; supplementing deionized water to enable the total monomer mass percentage of the reaction system to be 10 to 30%; adding surfactant lauryl sodium sulfate and stirring uniformly; adding an acrylamide hydrophobic monomers containing capsaicin functional groups; introducing N2 for 20 minutes; and adding a water-soluble initiator and performing polymerization reaction to obtain the hydrophobic association zwitterionic polymer. The positive charge content and the negative charge content of the hydrophobic association zwitterionic polymer prepared with the method are equal, a solution of the polymer has an antipolyelectrolyte effect, and the hydrophobic association zwitterionic polymer has excellent salt resistance. The introduced hydrophobic units containing the capsaicin functional groups have bioactivity and adopts a rigid benzene ring structure, so that the polymer has excellent tackifying property, temperature resistance, salt resistance and anti-microbial property, high dissolution speed and low price, and has an excellent application prospect in petroleum reservoir exploitation under the conditions of high temperature, high salt and bacteria in existence.

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

An antimicrobial agent comprising, as an active component, compounds represented by the following formula[wherein, R1 and R2 each independently represent H or an alkali metal atom.]; and a microbicidal agent comprising, as an active component, compounds represented by formula (I):[wherein, R1 and R2 each independently represent H or an alkali metal atom.],wherein they have high safety and little impact on the environment.

An antimicrobial and antiviral composition, a method of producing the same, and the like are provided, which are capable of exhibiting excellent antimicrobial and antiviral properties for a long time through various uses. The antimicrobial and antiviral material includes cuprous oxide particles and a silica-coating layer on at least one part of the surface of the cuprous oxide particles, in which the content of the silica-coating layer is 5 to 20 parts by mass based on 100 parts by mass of the cuprous oxide particles, and the BET specific surface area of the cuprous oxide particles coated with silica is 5 to 100 m2 / g.

The invention discloses a cutting liquid composition to manufacture metal, which comprises the following parts: 0.1-10% cobalt-inhibiting additive with triazine, 0.5-40% antirust agent, 0.05-5% corrosion inhibitor, 0.2-20% pH value adjustor and tap water, basic oil or composition to manufacture cobalt knife or cobalt manufacturing material in the cutting manufacturing course.

The invention discloses a fixed-guiding non-woven fabric production method. The method comprises the following steps: preparing raw material used for non-woven fabric; heating and melting polylactide and polypropylene to obtain melts; adding photosensitizers, ammonium polyphosphates, fillers, antibacterial agents and titanate coupling agents into melts, stirring and mixing uniformly, spraying through spinneret holes and carrying out cooling solidification to form fibers; crossly arraying fibers in horizontal-vertical directions and forming a fiber net through carding; adjusting flatness of the fiber net and conveying the net into a hot milling machine for hot-press formation and finally performing trimming and examination. The fixed-guiding non-woven fabric production method has the following beneficial effects: raw material is safe and eco-friendly; the production method is easy; a production condition is mild; a product is good in formability, low in prediction cost and suitable for industrialized production; non-woven fabric is featured by being small in thickness, low in weight, good in tenacity and anti-moisture, breathable and tear-resistant; by adding ammonium polyphosphate, fillers and antibacterial agents, the non-woven fabric is antibacterial, flame-retardant, dustproof and biodegradable and worthy of promotion.

Compositions for antimicrobial, antibacterial, antiviral, fungicidal and sporicidal applications comprise a mixture of alkyl betaine and alkyl amine oxide components together with a protonating agent. The compositions are particularly effective in the treatment and elimination of microorganisms in planktonic cell form as well as in sessile cell form in biofilms. The compositions may be applied in the form of sprays and foams as well as in liquid forms, as a solution or as a balm, as the sole active ingredient or with other active ingredients together with carriers or diluents.

The invention discloses a stress whitening-resistant antibacterial polypropylene composition and a preparation method thereof. The polymer composition disclosed by the invention is obtained by extruding polypropylene, a compatilizer, modified wollastonite, a flexibilizer, a composite antibacterial agent and an antioxidant through a double-screw extruder; the composite antibacterial agent preparedby selecting specific raw materials is matched with the modified wollastonite and the compatilizer to modify the polymer, so that the prepared polypropylene composition has good antibacterial property, stress whitening resistance and mechanical property, and can be widely applied to automotive interiors.

The present invention relates to preservation of cosmetic formulations. More specifically, the present invention relates to a preservative composition for cosmetic formulations comprising thymol, monolaurin and magnolol obtained from supercritical fluid extracts of Magnolia officinalis.

To provide a material for antimicrobial or sterilizing purposes which can be used for people having delicate skin, such as babies, little children or the aged, without any trouble, which prevents viruses from acquiring tolerance, and which does not affect human bodies or foods. A sheet material for antimicrobial and / or sterilizing purposes having a surface having a plurality of indentations with a pore size of 1000 nm or less.

The invention discloses an environment-friendly waterborne ink and a preparation process thereof. The ink is prepared from, by weight, 60-70 parts of an epoxy-modified acrylic resin, 3-5 parts of an antibacterial agent, 1-3 parts of long oil alkyd resin, 1-3 parts of an antioxidant, 1-2 parts of sodium dodecyl sulfate, 5-10 parts of waterborne organic pigment, 0.5-1 part of an anti-foaming agent,0.5-1 part of a waterborne leveling agent, 0.5-1 part of a waterborne wax emulsion, 0.5-1 part of ammonia water, 90-100 parts of deionized water and 30-40 parts of ethyl alcohol. The prepared environment-friendly waterborne ink has the obvious prominent characteristics in the aspects of coloring power, ultraviolet reflectivity, adhesion and the antibacterial property, by means of the spraying androlling process, the adhesion of the ink is higher, and the pollution is less than that of a conventional method of only spraying the ink.

The invention relates to a polyolefin functional master batch, a preparation method thereof and use thereof. The functional master batch is prepared by blending a polyolefine resin, a guazatine oligomer, an olefin monomer, an initiator and the like and by a method of solvent graft, solid phase graft or melt graft and has a structural formula below, wherein in the formula, R represents the guazatine oligomer grafted to molecular chains of the polyolefin, and T may be hydrogen, chlorine, methyl, or phenyl. Compared with the prior art, by blending the functional master batch prepared by the invention with the corresponding polyolefin, various products, including fibers, thin films, water pipes and other plastic products, which have high antimicrobial performance and long-lasting effect and is safe and nontoxic to human bodies can be manufactured; and meanwhile, the acidic dye and disperse dye uptake of polyolefin fibers can be improved greatly, and the surface polarity, antistatic performance and paint film adhesion of polyolefin materials can be improved.

Compositions for antimicrobial, antibacterial, antiviral, fungicidal and sporicidal applications comprise a mixture of alkyl betaine and alkyl amine oxide components together with a protonating agent. The compositions are particularly effective in the treatment and elimination of microorganisms in planktonic cell form as well as in sessile cell form in biofilms. The compositions may be applied in the form of sprays and foams as well as in liquid forms, as a solution or as a balm, as the sole active ingredient or with other active ingredients together with carriers or diluents.

The invention relates to an environment-friendly cation emulsified water-based cutting fluid and a preparation method thereof. The preparation method is characterized by comprising the following steps: preparation of a component A: respectively adding 3-8% of quaternary ammonium salt, 5-8% of Tween -40, 0.05-0.2% of calcium chloride, 0.01-0.08% of magnesium sulfate, 16-30% of gear oil 200# and 54-76% of deionized water into a reaction kettle for uniformly stirring, heating the mixture until the temperature is within 45-65 DEG C, and keeping the temperature for 20-30 minutes to obtain the component A; preparation of a component B: respectively adding 20-40% of extreme pressure antiwear additive, 2-10% of preservative, 5-20% of antirust, 0.04-0.3% of calcium chloride, 0.01-0.06% of magnesium sulfate and 30-72% of the deionized water into the reaction kettle for uniformly stirring, heating the mixture until the temperature is within 55-75 DEG C, and keeping the temperature for 25-35 minutes to obtain the component B; and after the component A and the component B are prepared, mixing and stirring the component A and the component B according to the mass ratio of 2:1-1:2 to be invalid, heating the mixture until the temperature is within 65-80 DEG C, keeping the temperature for 35-45 minutes, and then cooling to normal temperature to obtain the product of the invention. The product of the invention has the advantages of high wear resistance, water solubility and lubricating property, good anti-rust property, no corrosion, good cooling property, convenient cleaning, cheap price and the like.

The invention relates to pipeline anticorrosive paint. The pipeline anticorrosive paint is prepared from, by weight, 29% of epoxy resin, 18% of polyurethane, 26% of coal tar, 9% of pigments, 3% of a regulator, 2% of a curing agent, 2% of a defoamer, 4% of a flame retardant, 3% of an antibacterial agent and 4% of a reactive diluent. By the arrangement, the paint prepared is good in electrical insulation and cohesive property, resistant to cathode stripping, good in physical and mechanical properties, high in stability and good in anti-microbial performance.

The present invention discloses self-assembled bioadhesive anti-microbial, anti-fouling and / or anti-oxidant micro- and nano-structures comprising a plurality of amino acids or peptides, wherein each amino acid is an aromatic amino acid comprising a catecholic moiety, and / or each peptide comprises at least one aromatic amino acid comprising a catecholic moiety. Further disclosed are methods and kits for preparing these micro- and nano-structures. Further disclosed are uses of these micro- and nano-structures in pharmaceutical, cosmetic and medical devices applications.

The invention provides a silane hybrid quaternary ammonium salt modified polyisocyanate curing agent and a preparation method thereof. The preparation method includes the steps that by mass, 1.0-3.0%of alkylol amine, 2.0-4.0% of silane coupling agent and 90-94% of polyisocyanate react under the protection of the nitrogen atmosphere at the temperature of 40-60 DEG C till the NCO content of the system reaches a theoretical value, 0.05-0.5% of polymerization inhibitor is added, and thus a silane hybrid polyisocyanate curing agent containing tertiary amine is prepared; and then 2.0-4.0% of sultone is added to react with the silane hybrid polyisocyanate curing agent containing tertiary amine until the sultone is completely consumed, and cooling and discharging are conducted. By adopting the sultone hydrophilic modifier with strong hydrophilicity, the prepared curing agent can be dispersed in water, is low in viscosity and environment-friendly, and has the characteristics of excellent scratch resistance, transparency, storage stability and the like.

The present disclosure relates to textile coatings, and to nanometer sized particles of boron in solution used for textile coatings. In one embodiment, a nano-boron textile coating is comprised of a solution including silicon, a dispersant, a softener, and acetic acid mixed in water; and a plurality of nano-boron particles dispersed in the solution. A textile with an applied nano-boron textile coating, and a process for preparing and applying a textile coating are also disclosed.

The invention provides an overexploitation area surface water-saving irrigation and low-pressure underground pipe network recharge exploitation supplement coupled system which comprises a water source, a filter tank, an underground pipe network, a surface drip irrigation device and an underground water recharge device. The water inlet end of the filter tank is communicated with the water source through a first centrifugal pump and a first conveying pipeline, the underground pipe network comprises a plurality of underground water filter pipes which are vertically and horizontally staggered andmutually communicated, one end of each underground water filter pipe is connected with the filter tank through a water collecting pipe, the other end of each underground water filter pipe is connectedwith a settling tank, the surface drip irrigation device comprises a pivot head, a drip irrigation belt and a drip irrigation head, one end of the pivot head is connected with the water outlet end ofthe filter tank, the other end of the pivot head is connected with multi-row main pipes, multi-line branch main pipes are connected with the main pipes, the drip irrigation belt is connected with thebranch main pipes, the drip irrigation head is arranged on the drip irrigation belt, the underground water recharge device comprises an exploited well, and underground water is conveyed into the irrigation belt through a second centrifugal pump and a water conveying pipeline.

The invention discloses a guanidyl-functionalized graphene oxide / polysulfone ultrafiltration membrane and a preparation method thereof. The preparation method for the guanidyl-functionalized grapheneoxide / polysulfone blended matrix membrane comprises the following steps: performing an amidation reaction with a carboxyl group on a graphene oxide sheet as a modification site; then subjecting acyl chloride on graphene and an amino group on 1,6-hexanediamine to an amidation reaction to obtain amino-functionalized graphene oxide; then subjecting an amino group on the amino-functionalized grapheneoxide and a methoxy group on O-methylisourea hemisulfate to a nucleophilic substitution reaction so as to generate guanidyl-functionalized graphene oxide; and preparing the guanidyl-functionalized graphene oxide / polysulfone blended matrix membrane by using a non-solvent induced phase inversion process. The guanidyl-functionalized graphene oxide / polysulfone ultrafiltration membrane prepared in theinvention is improved in pure water flux, separation performance and anti-pollution performance, has high antibacterial activity against Escherichia coli and Staphylococcus aureus, and shows excellentantimicrobial properties.

The invention provides a novel method for manufacturing iodinated resin particulates that have widespread utility as disinfectants. The invention also provides novel iodinated demand disinfectant iodinated resins that have superior properties than resins known in the art. The novel manufacturing process of the current invention is highly efficient and environmentally friendly and is conducted without the presence of water. Additionally, the manufacturing process produces iodinated resins that have better overall biological performance than resins produced by prior art methods owing to higher degrees of iodine in the manufactured resin particulates and higher degrees of uniformity of iodine content when comparing particulate to particulate.

The invention provides a sauce for spiced beef and a preparation method thereof. The sauce contains a flavoring ingredient and a seasoning ingredient; the flavoring ingredient includes pepper, fennel, radix angelicae, dried tangerine or orange peel, nutmeg, syzygium aromaticum, cardamom, illicium, radices sileris, hay, amomum tsao-ko, piper, galangal, black pepper and rhizoma kaempferiae; the seasoning ingredient includes green Chinese onion, ginger, hot pepper, aniseed, cinnamon, myrcia, light soy sauce, rock candy, sweet sauce and clean powder salt. The method comprises the following steps: grinding the flavoring ingredient into powder, filling into a sand bag for later use; filling first six materials in the seasoning ingredient into a small stainless steel basket for later use; adding 3 / 5 water, and then successively adding the later four materials of the seasoning ingredient; fully stirring; heating to 60 DEG C; adding the remaining flavoring ingredient and seasoning ingredient; cooking for 20 minutes with big fire; cooking with medium heat. The sauce provided by the invention is free from pollution of nitrate and nitrite, is capable of developing color, has oxidation resisting stability and has excellent taste, flavor and microorganism resistance.