31 results about "Pyrithione" patented technology

The present disclosure is directed to a preservative composition comprising a linear polyetheramine having a molecular weight greater than 118 Daltons (Da) and at least one isothiazolinone, whereby this preservative composition may further comprise a pyrithione salt and / or a metal salt. Also disclosed is an aqueous industrial material comprising the preservative composition as well as a method for enhancing in-contaniner preservative performance of an aqueous industrial material using the preservative composition.

This application provides preservative compositions of pyrithione compounds, organic acids or their salts, and aromatic alcohols, which have a synergistic effect and can reduce the amount of pyrithione required as an effective preservative in end-use formulations.

The invention relates to the technical field of chemicals for daily use, and particularly discloses antibacterial shampoo decocted from Miao herbal medicine and a preparation technological process. The formula system of the shampoo comprises a phase A, a phase B and a phase C, three core functional components including a chemical anti-dandruff agent piroctone olamine salt, a seedling herbal medicine composite extract and a camellia seed nourishing component are innovatively compounded in the phase C, and through the matching of the components in a specific proportion, the components generate a remarkable synergistic interaction effect; experimental results show that the shampoo not only can strongly inhibit scalp pathogenic bacteria malassezia, has an anti-dandruff effect superior to that of a traditional ZPT anti-dandruff agent formula, but also can remarkably improve the smoothness of hair and reduce carding damage, in addition, due to the introduction of the natural herbal medicine extract, the product mildness is remarkably improved, no irritation is caused to mucous membranes, and the shampoo has a good anti-dandruff effect. The comprehensive effect of removing dandruff, protecting hair and nourishing skin is achieved, and the technical problem that a traditional dandruff-removing shampoo is single in effect or strong in irritation is solved.

The invention discloses a sealant with bacteriostatic and mildew-proof functions for a metal bottle cap and a preparation method of the sealant, and belongs to the technical field of sealant preparation. The sealant provided by the invention is prepared from the following raw material components in percentage by mass: 40.0 to 55.0 percent of an auxiliary agent A, 0.5 to 3.0 percent of an auxiliary agent B, 2.0 to 4.0 percent of zinc stearate, 1.0 to 3.0 percent of titanium dioxide, 1.0 to 5.0 percent of ground calcium carbonate, 0.5 to 2.5 percent of an anti-blocking agent and 39.0 to 55.0 percent of polyvinyl chloride resin, the auxiliary agent A is prepared from at least two of dioctyl terephthalate, epoxidized soybean oil, trimellitic anhydride and cyclohexane 1, 2-diisononyl diformate; the auxiliary agent B is obtained by mixing and grinding zinc oxide, metal silver, zirconium phosphate, zinc pyrithione and coconut oil fatty acid diacetamide. According to the invention, the sealant is prepared by compounding multi-component food-grade antibacterial mildew-proof active components, so that the prepared sealant is ensured to reach the first-grade standard of ASTM G21-15 Determination of Antifungal Factor of Synthetic High Polymer Materials, meanwhile, the risk that the sealant is mildewed when being used in canned food is reduced, and the quality of the product is improved.

The invention discloses low-copper environment-friendly self-polishing antifouling paint and a preparation method thereof. The antifouling paint is prepared from modified zinc acrylate resin, rosin, modified cuprous oxide, zinc pyrithione, zinc oxide, a reinforcing blending agent, a multifunctional additive, organic silicon resin, a solvent, barium sulfate, calcium carbonate, a dispersing agent, a flatting agent and chlorinated paraffin. The low-copper environment-friendly self-polishing antifouling paint disclosed by the invention has excellent antifouling efficiency, good adhesive force and stability and excellent mechanical durability and chemical resistance; the antifouling paint has wide application prospects in the fields of ocean engineering, port facilities, aquaculture net cages and the like, the maintenance cost can be remarkably reduced, and the service life of equipment is prolonged.

The invention discloses a rubber composite material with marine antifouling property as well as a preparation method and application thereof, and relates to the technical field of marine fouling organism decay protection materials. The rubber composite material with the marine antifouling property comprises the following components which are blended and vulcanized: rubber, a filler, an antifouling agent, a plasticizer, an activating agent, a scorch retarder, an anti-aging agent, an accelerant and a vulcanizing agent, the antifouling agent comprises a copolymer modified by zwitter-ions and at least one of sodium benzoate, tannic acid, 6-gingerol, capsaicin, sulfobetaine, carboxylic acid betaine, phosphorylcholine, isothiazolinone and zinc pyrithione optionally selected from the group consisting of sodium benzoate, tannic acid, 6-gingerol, capsaicin, sulfobetaine, carboxylic acid betaine, phosphorylcholine, isothiazolinone and zinc pyrithione. The invention solves the three core problems of poor compatibility of an antifouling agent and a rubber matrix, short antifouling period caused by easy loss of the antifouling agent, and difficulty in balancing the antifouling property and mechanical property in the existing marine antifouling rubber material.

A composition including a pyrithione polyvalent metal salt, a surfactant, and water, wherein the surfactant in the pyrithione polyvalent metal salt-containing composition is a compound represented by general formula (1). (In general formula (1), R1 represents an optionally substituted C7-21 alkyl group or a coconut oil fatty acid residue. R2 represents a C1-3 alkylene group. X1 represents a monovalent cation. Z represents a hydrogen atom or -R3COOX2. R3 represents a C1-3 alkylene group. X2 represents a monovalent cation.

The present invention is directed to a personal cleansing composition comprising from about 6% to about 50% of one or more sulfate free surfactants; from about 0.5% to 20% of lauramidopropyl betaine; from about 0.1% to about 10% of zinc pyrithione; from about 0.05% to about 3% of a cationic polymer; from about 0.05% to 10% of a stabilizing polymer from about 0.1% to about 2% of a preservative and having a pH of from about 5 to about 7.

The invention belongs to the technical field of sponges, and particularly relates to an anti-mite, mildew-proof and antibacterial sponge which comprises the following components in parts by weight: 100 parts of polyether polyol; 45.1 to 51.0 parts of toluene diisocynate; 0.7 to 1.0 part of soft foam silicone oil; 0.12 to 0.28 part of an amine catalyst; 0.1 to 0.3 part of a tin catalyst; 2-3 parts of water; 0.5 to 0.9 part of a mildew-proof anti-mite antibacterial agent; the mildew-proof anti-mite antibacterial agent is a mixture of zinc pyrithione, permethrin and benzyl alcohol. Compared with the prior art, the sponge material with excellent performance is designed, the polyether polyol, the polymer polyol and the toluene diisocynate are used as main forming components of the sponge material, and the zinc pyrithione, the permethrin and the benzyl alcohol antibacterial and anti-mite agent are matched for use, so that the anti-mite, mildew-proof and antibacterial effects can be achieved; the sponge material prepared by the invention is comfortable and soft, has good elasticity, and also has relatively strong antibacterial, anti-mite and mildew-proof effects.

The application discloses a hydrophobic weather-resistant agricultural drip irrigation pipe and a preparation method thereof, and belongs to the technical field of agricultural irrigation. The drip irrigation pipe has an inner-outer double-layer structure, and the material components and the ratio of each layer are optimized and designed. The outer layer is based on high-density polyethylene, and is compounded with an ultraviolet absorber, modified titanium dioxide, an antioxidant and polyethylene wax, so that the effects of ultraviolet shielding and thermal-oxidative degradation resistance can be achieved in cooperation, mechanical properties and outdoor weather resistance of the pipe material are ensured, the inner layer is made of high-density polyethylene, modified zinc pyrithione and ultra-high molecular weight polyethylene, and has excellent toughness, anti-cracking performance and hydrophobic and algae prevention functions, so that the adhesion of algae can be effectively inhibited, and the drip hole is prevented from being blocked. Through the double-layer functional partition design, the outer layer focuses on anti-aging and prolonging the service life, the inner layer focuses on preventing blockage and ensuring smoothness, the components are synergistically enhanced, the processing performance and the service stability of the pipe material are considered, the service life and irrigation uniformity of the drip irrigation pipe can be effectively improved, and the long-term agricultural drip irrigation operation requirement is met.

The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an additional compound chosen from a monovalent or divalent metal salt of pyrithione, piroctone olamine, diazolidinylurea, a hexamidine compound, and imidazolidinylurea,and also to a cosmetic composition containing such a mixture.Application to caring for, making up and cleansing keratin materials.

A system, composition, and method are disclosed for producing superhydrophobic and antifouling polymer materials. The invention incorporates antifouling agents such as capsaicin, medetomidine, tralopyril, or zinc pyrithione together with hydrophobic additives such as polydimethylsiloxane, polytetrafluoroethylene, fluoropolymers, or surface-modified nanoparticles into natural or synthetic rubber and thermoplastic matrices. In one approach, pre-formulated antifouling compositions are added as solid components during compounding, and in another, the polymer itself serves as a carrier medium for direct incorporation of the active ingredients. The compounded materials exhibit controlled release of antifouling agents, low surface energy, and superhydrophobic behavior that reduces drag and resists attachment of marine and freshwater organisms. A manufacturing system may include compounding, monitoring, and forming units, with optional plasma or laser treatment to enhance nanoscale roughness. The invention enables durable, environmentally responsible materials for marine, industrial, and consumer applications requiring long-term fouling resistance.

The invention relates to cosmetic or dermatological compositions for combating dandruff which comprise water; at least 20% by weight of at least one polyol relative to the total weight of the composition; at least one anionic surfactant selected from acyl glutamic acids and their cosmetically acceptable salts, sodium lauryl sarcosinate, and disodium cocoglucoside citrate, and mixtures thereof; at least one non-ionic surfactant selected from alkyl glucosides; and at least one anti-dandruff agent which is piroctone olamine, said composition being devoid of ciclopiroxolamine and zinc pyrithione.

The application provides application of zinc pyrithione in preparation of a medicine for treating Japanese encephalitis virus infection. The application has the beneficial effect that the zinc pyrithione has significant inhibitory effect on NS2B-NS3 protease activity in the Japanese encephalitis virus, can be used as an inhibitor of the NS2B-NS3 protease in the Japanese encephalitis virus, and is expected to become a potential medicine for resisting Japanese encephalitis virus infection.

The application discloses an antibacterial catheter and a preparation method thereof, and belongs to the technical field of catheters, and aims to solve the problem of poor antibacterial effect and short duration caused by the poor combination of an antibacterial agent and a thermoplastic polyurethane elastomer after antibacterial treatment of the existing catheter. The antibacterial catheter comprises a pipe body and n antibacterial layers formed on the outer wall of the pipe body in sequence, wherein n is a positive integer; the material of the pipe body is a polyurethane elastomer; the material of the antibacterial layer comprises 100 parts of the polyurethane elastomer and 1-10 parts of an antibacterial agent in terms of mass fraction, and the antibacterial agent is a pyrithione compound. The application can achieve long-term antibacterial effect based on the multilayer antibacterial layer and the hydrogen bond between the antibacterial agent and the polyurethane elastomer.

The invention discloses a method for synthesizing a 1, 3-thiaselenium pentane compound, and belongs to the technical field of organic compound synthesis. The synthesis method comprises the following steps: adding an acyl chloride compound and potassium selenide into a solvent, generating seleno isocyanate in situ, adding 1, 4-pyrithione ylionium salt into a reaction system, and reacting under stirring and heating conditions to obtain a reaction solution; performing reduced-pressure solvent concentration on the reaction liquid to obtain a crude product; and carrying out column chromatography separation and purification on the crude product to obtain the 1, 3-thiaselenium pentane compound. According to the present invention, the 1, 3-thiaselenium pentane compound can be synthesized under the loose and mild condition so as to achieve the simple, efficient, low-cost and high-universality synthesis of the 1, 3-thiaselenium pentane compound.

The application belongs to the technical field of propagation of Artocarpus heterophyllus, and particularly relates to a high-branch layering propagation method of Artocarpus heterophyllus. The high-branch layering propagation method of Artocarpus heterophyllus comprises the following steps: S1. selecting a single branch with a healthy growth state and performing ring peeling; S2. after the cambium is scraped off, a plastic film is wrapped around the upper end of the ring peeling; S3. after the plastic bag is longitudinally cut, the plastic bag is wrapped around the ring peeling position and fixed on the branch; and S4. after the upper end of the ring peeling is fully rooted, the branch is pruned and transplanted. In step S3, 0.75-1.5% of a fungicide is added to the layering propagation matrix, the fungicide is prepared by using a ternary compound of benzene ether carbendazim, oxime ether fungicide and zinc pyrithione as active ingredients, and is supplemented with a surfactant and a solvent. The propagation method can effectively prevent the influence of root rot pathogenic bacteria on the rooting of the branch, is beneficial to the rooting of the high-branch layering, and can further guarantee the survival rate and the propagation efficiency of the high-branch layering, and is beneficial to the smooth development of the seedling raising work of Artocarpus heterophyllus.

The invention belongs to the technical field of coatings, and particularly relates to a coating as well as a preparation method and application thereof. The coating comprises an emulsion, a preservative, an antiviral synergist, an antibacterial agent and a wax auxiliary agent, the emulsion is prepared from the following raw materials: butyl acrylate, styrene, methacrylic acid, a thiazole modified methacrylate monomer, dodecafluoroheptyl methacrylate, diacetone acrylamide and adipic dihydrazide; the preservative is prepared from at least one of dibromo cyano propionamide, 5-chloro-2-methyl-4-isothiazole-3-ketone, 1, 2-benzisothiazolin-3-ketone and 2-methyl-4-isothiazolin-3-ketone, and the preservative is prepared from at least one of dibromo cyano propionamide, 5-chloro-2-methyl-4-isothiazole-3-ketone, 1, 2-benzisothiazolin-3-ketone and 2-methyl-4-isothiazolin-3-ketone; the antiviral synergist is prepared from at least one of zinc pyrithione and 3-iodine-2-propargyl butyl carbamate; the antibacterial agent comprises an antibacterial agent taking silver ions as an active component. Through the combined action of all the components, the coating has the comprehensive properties of good stain resistance, antibacterial property, antibacterial durability, low sensitization and the like.

The invention discloses an antibacterial coating for leather shoes and a preparation method thereof, and belongs to the technical field of leather chemical engineering. The coating takes a waterborne polyurethane dispersion as a film forming matrix, and is matched with two newly designed antibacterial compounds, namely vinyl functionalized biguanide silane quaternary ammonium salt and nano-zinc loaded pyrithione silicon balls; and adding a cross-linking agent, a wetting leveling agent, a thickening agent, a coalescing agent and deionized water. Wherein the vinyl functionalized biguanide silane quaternary ammonium salt is prepared by reacting isocyanate silane with biguanide salt and then sequentially carrying out quaternization and epoxy ring-opening modification, and multiple antibacterial functional groups and polymerizable groups are integrated; the nano-zinc-loaded pyrithione silicon spheres are prepared by performing sulfhydrylation modification on mesoporous silica nanospheres and then reacting with pyridine oxide and zinc salt, and have both physical cutting and ion release sterilization mechanisms. And the obtained coating has strong adhesive force with leather shoe materials, is washing-resistant and friction-resistant, does not influence the air permeability and comfort of leather, and has a good application prospect.

The present application relates to the technical field of medicine and daily chemical products, and discloses a composition, a product containing the same, a preparation method of the composition, and application of the composition.The composition comprises 0.8-1.2 parts of zinc pyrithione, 0.5-0.8 parts of salicylic acid, 0.1-0.2 parts of farnesol, 0.2-0.4 parts of gentiana scabra extract, 0.3-0.5 parts of portulaca oleracea extract, 0.5-1.0 parts of camellia sinensis seed cake extract, 0.1-0.3 parts of caffeine, and 0.3-0.5 parts of rosemary extract, in terms of mass fraction.The composition realizes improvement in aspects of skin lesion area, water content in the scalp stratum corneum, trans-epidermal water loss, oil secretion, high-temperature stability, centrifugal stability, freeze-thaw cycle stability, dandruff removal, anti-inflammatory effect, hair fixing, and / or anti-itching effect.

The invention provides a method for simultaneously determining the contents of seven common preservatives in a building water-based interface agent by using a liquid chromatograph. According to the method, the separation degree of seven preservatives including methylisothiazolinone, chloromethylisothiazolinone, benzisothiazolinone, octyl isothiazolinone, dichloro octyl isothiazolinone, iodopropargyl butyl carbamate and zinc pyrithione is good, and the linear correlation coefficient of a standard curve for quantification ranges from 0.99952 to 1.0000; the detection limit is 0.2 to 0.45 mg / kg; the precision is 0.8%-1.5%, and the sample adding standard recovery rate is 94.4%-98.4%. And the method has good stability. Experimental conditions for simply and rapidly determining the content of the preservative in the water-based interface agent for the building are determined, and the experimental efficiency is improved.

The application belongs to the technical field of organic synthesis, and discloses a synthesis method of N-alkylated pyrithione compounds, which comprises the following steps: taking 2,2-dithiodipyridine and a benzyl halide compound as substrates, and synthesizing the N-alkylated pyrithione compound under the condition of the presence or absence of a base; the reaction temperature is 60 DEG C, and the reaction time is 4-12 h; the benzyl halide compound has the following structural formula: R-X, wherein R is selected from a benzyl group, a benzyl group in which hydrogen on a benzene ring is substituted by halogen or a methyl group, and X is selected from bromine; the 2,2-dithiodipyridine and the benzyl halide compound are used as raw materials, and the N-alkylated pyrithione compound is synthesized by a one-step green method under the condition of no solvent and no catalyst.

The utility model discloses a kind of for pyrithione copper drying device, belong to pyrithione copper production technical field, including drying chamber, drying chamber outer wall is equipped with heating jacket, vertical rotating shaft is equipped in drying chamber, first annular plate, second annular plate are sequentially equipped from top to bottom in drying chamber, first annular plate outer edge is connected with drying chamber inner wall, central discharge port is left between first annular plate and rotating shaft, second annular plate inner edge is rotatably connected with rotating shaft, side discharge port is left between second annular plate and drying chamber inner wall;First annular plate top and second annular plate top are each equipped with a plurality of harrow arm, harrow arm one end is fixedly connected with rotating shaft, a plurality of harrow teeth are equipped at harrow arm bottom, a plurality of stirring rods are also equipped on rotating shaft, stirring rod is located below second annular plate.The utility model material is preheated on annular plate, harrow tooth makes it overturn, material is uniformly preheated;Stirring rod stirs the material at the bottom of drying chamber, sufficiently dries it, reduces drying time.

The invention relates to cosmetic or dermatological compositions for combating dandruff, which compositions comprise: water; at least 20% by weight of at least one polyol relative to the total weight of the composition; at least one anionic surfactant selected from among acyl glutamic acids and cosmetically acceptable salts thereof, sodium lauryl sarcosinate, and disodium 5-cocoglucoside citrate, and mixtures thereof; at least one non-ionic surfactant selected from among alkyl glucosides; and at least one anti-dandruff agent which is piroctone olamine, the composition being free of ciclopirox olamine and zinc pyrithione.

The invention discloses a mildew-proof bacteriostatic detergent composition which comprises a surfactant, a mildew-proof bacteriostatic agent, a functional additive, a preservative, a defoaming agent and a solvent, the surfactant is sodium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether and cocamidopropyl betaine, and the solvent is sodium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether and cocamidopropyl betaine. The mildew-proof bacteriostatic agent is zinc pyrithione, a nano-silver antibacterial agent and a tea tree oil extract, the functional additive is EDTA disodium, polyethylene glycol, dioctadecyl dimethyl ammonium chloride and citric acid, the preservative is phenoxyethanol, the defoaming agent is polydimethylsiloxane, and the solvent is deionized water. The detergent can be added into washing powder, laundry detergents, laundry soap, laundry beads and mildew-proof antibacterial spray. According to the present invention, the water-based / oil-based stain general decontamination, the long-acting mildew-proof antibacterial effect, the low sensitivity, the no irritation, the wrinkle resistance, the easy rinsing, the wide decontamination range, the long mildew-proof antibacterial period, the high safety and the complete function are achieved, and the water-based / oil-based stain cleaning agent can be used for a variety of washing scenes through the formula addition expansion so as to provide the strong market application value.

This utility model discloses a high-efficiency production device for zinc pyridinethione, belonging to the field of zinc pyridinethione production technology. It includes a purification kettle, a first purification chamber located on the upper part of one side of the purification kettle, with a feed inlet on the first purification chamber. An overflow port is provided between the top of one side wall of the first purification chamber and the top of the purification kettle. A baffle plate is vertically installed inside the first purification chamber, with a flow channel between the bottom of the baffle plate and the bottom of the first purification chamber. A liquid outlet assembly is located at the bottom of the first purification chamber. A filter screen is detachably installed below the first purification chamber, with the filter screen horizontally positioned. A stirring assembly is installed inside the first purification chamber, capable of moving the filter screen vertically. The purification kettle is connected to a reaction kettle, which is connected to a sodium pyridinethione raw material kettle. In this utility model, the baffle plate prevents the solution from leaving directly from the overflow port, improving the effect of the primary displacement reaction. Zinc sulfate undergoes two displacements in the purification kettle, improving raw material purity, reducing floor space, and increasing the production efficiency of zinc pyridinethione.

Disclosed are antibacterial, sterilizing and preservative compositions that protect products in various industrial fields, including home care products such as clothing detergents, dish detergents, and home cleaners, personal care products such as shampoos, body cleansers, wet tissues, and cleansers, and cosmetic products such as creams and emulsions, and products containing the same. The compositions contain a compound of Formula 1, optionally in combination with other compounds. Moreover, the anti-dandruff hair care cosmetic composition or antifungal composition containing the compound represented by Formula 1 is effective in controlling dandruff bacteria. When combined with piroctone olamine, zinc pyrithione, or climbazole, the composition has synergistic effects. In addition, the antiviral composition containing the compound represented by Formula 1 effectively controls microorganisms such as viruses and can be used as an eco-friendly quarantine composition.

The present application relates to the technical field of daily chemicals, and particularly discloses a scalp oil control composition for preventing seborrheic alopecia, a preparation method and application thereof. The scalp oil control composition takes nicotinamide, capryloyl glycine, pyrithione ethanolamine salt, betaine salicylic acid, lemon peel extract, white willow bark extract and rice fermentation filtrate as main components. The components synergistically achieve the effects of oil control, hair care and prevention of seborrheic alopecia. The preparation method is simple, the obtained product has high bioavailability of active ingredients, good hair care effect and low irritation, has the effects of caring for hair, strengthening hair roots, regulating scalp microecology and preventing seborrheic alopecia, and can be widely applied to related washing and caring products for preventing seborrheic alopecia.

The invention discloses an antifouling paint containing organic-inorganic modified tertiary carbon-fluorosilicone antifouling resin and a preparation method thereof, and the paint comprises the following components in parts by weight: 15-25 parts of organic-inorganic modified tertiary carbon-fluorosilicone antifouling resin, 12-18 parts of rosin, 3-7 parts of chlorinated paraffin, 8-12 parts of zinc pyrithione, 8-12 parts of barium sulfate, 10-15 parts of iron oxide red and 5-10 parts of bentonite. 10-15 parts of xylene, 2-5 parts of propylene glycol monomethyl ether and 3-8 parts of an anti-settling agent AQ633E. The target product is prepared by uniformly mixing the components according to the proportioning relation. The prepared coating is excellent in adhesive force and anti-fouling performance, the drawing test exceeds 3 MPa, the coating does not fall off due to high adhesive force, the coating is free of fouling for 3 years due to actual sea test, the practicability is high, and the comprehensive performance is excellent.

The application discloses a polyester blended textile waste recycling BHET method, and utilizes ethylene glycol to degrade polyester blended textile waste under the action of a catalyst, wherein the catalyst is zinc pyrithione; the antibacterial agent SH-ANTI408 disclosed by the application can be applied to ethylene glycololysis of polyester blended textile waste as a catalyst, can make polyester / cotton / spandex blended fabric depolymerize in stages while keeping the structure of cotton fibers, and can make the BHET product yield reach 80-90%, the product selectivity is high, the fabric separation efficiency reaches more than 98%, the catalyst is not needed to be recycled, and a practical and sustainable method for chemical recycling of polyester blended textile waste is provided.