14 results about "Dimethylammonium chloride" patented technology

The described invention is a disinfectant that has a bactericidal and fungicidal effect. Optimally, the agent is diluted more than 70 times before use, thereby achieving pH neutrality of the solution. The agent is also effective, bactericidal and fungicidal, and when diluting the final formulation up to 200 times. The improvement of the disinfectant is based on the presence of the active substance didecyldimethylammonium chloride. The agent also contains sodium chlorite. In this invention, polyethylene glycol, in addition to the function of a polymer carrier, also has the function of a stabilizer of the solution of the active substance, a non-ionic surfactant.

The application discloses an active oxygen response type bacteriostatic and repair promoting hydrogel and a preparation method and application thereof, the hydrogel is formed by disulfide bond cross-linked hydrogel in response to active oxygen free radicals in the vagina of vaginitis patients through thiol modified hyaluronic acid (HASH), and can enhance in-vivo retention by thiol and vaginal tissue interaction. Cationic surfactant such as didecyldimethylammonium chloride (DDAC) as the bacteriostatic component of the hydrogel, efficiently killing pathogenic bacteria while having good biocompatibility, and is not prone to cause bacterial drug resistance. As a natural immune regulator, beta-glucan regulates the vaginal microenvironment, promotes the polarization of macrophages into anti-inflammatory M2 type and promotes cell migration, etc., to promote the repair of the vaginal immune barrier, regulate the vaginal flora, and reduce the probability of vaginitis recurrence. The HASH hydrogel provides an efficient, convenient and highly transformative potential strategy to provide more choices for the treatment of vaginitis.

This invention belongs to the technical field of rubber hoses, specifically relating to an antibacterial hose for conveying food and its manufacturing process. It comprises an inner rubber layer coated with a quaternary ammonium salt antibacterial agent, a reinforcing layer treated with the antibacterial agent, and an outer rubber layer treated with antifungal agents. The quaternary ammonium salt antibacterial agent is a compound of food-grade alkyl dimethyl benzyl ammonium chloride and disdecyl dimethyl ammonium chloride. The reinforcing layer is prepared by impregnating / spraying polyester fibers with the quaternary ammonium salt antibacterial agent, followed by drying and curing, and then simultaneously winding and laminating it with food-grade low-density polyethylene. The outer rubber layer is uniformly distributed with a pre-dispersed antifungal agent, effectively inhibiting the growth of mold in the high-temperature and high-humidity environment of food processing. The antibacterial hose is manufactured through a process of spraying the inner rubber layer with the antibacterial agent, impregnating the reinforcing layer with the antifungal agent, pre-dispersing the antifungal agent, and mixing. This process achieves beneficial effects such as a >99.99% inhibition rate against common pathogenic bacteria, long-lasting antibacterial performance, zero-mold growth on the outer rubber layer (grade 0), stable mechanical properties, and excellent anti-aging properties.

The present invention relates to the use of an animal feed additive that reduces the toxic effects of mycotoxins, especially fumonisin B1 and zearalenone. This additive is a mycotoxin adsorbent consisting of an organically modified phyllosilicate with 71% substitution of its cation exchange capacity with the organic compound dioctadecyldimethylammonium chloride.

This invention belongs to the field of solid waste treatment technology, specifically relating to a quaternary ammonium salt ionic liquid microemulsion for heavy oil desorption, its method, and its application. The quaternary ammonium salt ionic liquid microemulsion for heavy oil desorption of this invention, by weight, comprises 0.1-0.8 parts of a quaternary ammonium salt ionic liquid surfactant, 17.2-22.9 parts of n-propanol, 20-25 parts of n-hexane, and 56-59 parts of water; wherein the quaternary ammonium salt ionic liquid surfactant is 1-alkyl-(2-hydroxyethyl)-dimethylammonium chloride. The quaternary ammonium salt ionic liquid microemulsion for heavy oil desorption of this invention is prepared using a quaternary ammonium salt ionic liquid surfactant, n-propanol, n-hexane, and water as raw materials. The microemulsion is an oil-in-water type, characterized by low surface tension, strong solubilizing ability, low dosage, simple treatment process, and recyclability.

This invention discloses an antifouling and antibacterial TPU yacht film and its preparation method, relating to the field of polymer materials technology. In preparing the antifouling and antibacterial TPU yacht film, this invention involves reacting amino POSS with 2-maleimide acetaldehyde, 5-(4-hydroxy-3-methoxy-benzylcarbamoyl)-valeric acid, and ethyl isocyanate to obtain modified POSS; reacting 5-hydroxymethylfurfural with 3-aminopropyl-3-hydroxypropyl dimethylammonium chloride to obtain a chain extender; reacting isophorone diisocyanate sequentially with hydroxyl-terminated methyl-3,3,3-trifluoropropyl (siloxane and polysiloxane) and the chain extender to obtain modified thermoplastic polyurethane; mixing the modified thermoplastic polyurethane with the modified POSS, pouring the mixture into a mold, and thermosetting to obtain the antifouling and antibacterial TPU yacht film. The antifouling and antibacterial TPU yacht film prepared by this invention exhibits excellent antibacterial, antifouling, self-healing, and mechanical properties.

The present application relates to the technical field of disinfection in the breeding industry, and specifically discloses a spray composite disinfectant as well as a preparation method and application thereof.The spray composite disinfectant provided by the present application comprises the following components in mass percentage: 0.8-1% of quaternary ammonium salt surfactant, 1-1.5% of alkyl polyglycoside, 5-8% of cosolvent, and the balance of water; wherein the quaternary ammonium salt surfactant is a mixture of modified bisdecyl dimethyl ammonium chloride and hexadecyl dimethyl benzyl ammonium chloride; the alkyl polyglycoside is C12-C14 alkyl polyglycoside; and the modified bisdecyl dimethyl ammonium chloride is gamma-glycidyl ether oxygen propyl trimethoxysilane modified bisdecyl dimethyl ammonium chloride.The spray composite disinfectant provided by the present application is free of chlorine and phenols, is safe and non-toxic, is green and healthy, has a simple preparation and use method, has good compatibility, has good storage performance, and is easy to realize large-scale production.

The application discloses a method for detecting perchlorate based on a silver nanofilm substrate. The application uses polydiene dimethyl ammonium chloride and sodium diethylthio carbamate as a protective agent, polyvinyl pyrrolidone as a stabilizer, and sodium borohydride-ethylene glycol as a reducing agent to obtain polydiene dimethyl ammonium chloride or diethylthio amino modified silver nanoparticles with high activity through one-pot synthesis or microwave synthesis, which are used as a surface-enhanced Raman scattering substrate for the detection of perchlorate. The perchlorate detection technology provided by the application has the advantages of simple preparation process, green and environmentally-friendly synthesis process, high sensitivity and the like, and provides a new technical path for the accurate detection of perchlorate in water.

This invention discloses a composite pyrolysis catalyst for desulfurization before coal combustion and a method for pre-treatment of coal before combustion. The composite pyrolysis catalyst comprises 2-6 parts of a penetrant, 10-40 parts of a swelling agent, and 2-30 parts of a solvent. The penetrant is selected from one or a combination of two or more components selected from azone, linoleic acid, or octadecyl dimethyl ammonium chloride. The swelling agent is selected from one or a combination of two or more components selected from octadecyl dimethyl ammonium chloride, formamide, polyethylene glycol 600, ethylene glycol butyl ether, isopropanol, and propylene glycol methyl ether. The solvent is selected from one or a combination of two or more components selected from propylene glycol butyl ether, ethylene glycol, cyclohexanol, cyclohexanone, dichloromethane, xylene, methanol, and n-butanol. After treatment with this invention, ultra-low sulfur and low ash ultra-pure coal can be obtained, while ensuring that its physical and chemical properties remain unchanged.

This invention discloses a mildew- and corrosion-resistant particleboard and its preparation method. The mildew- and corrosion-resistant particleboard prepared by this invention has high mechanical strength and good anti-corrosion and mildew-resistant effects. It is made from the following raw material components in parts by weight: 800-1200 parts of particleboard and 50-200 parts of composite adhesive. The composite adhesive is made from the following components in parts by weight: 35-160 parts of soybean glue, 5-20 parts of curing agent, 5-10 parts of mildew inhibitor, and 5-10 parts of corrosion inhibitor. The combined use of polyamide polyamine epichlorohydrin and dimethyloldihydroxyethylene urea in the adhesive components improves the static bending strength of the particleboard; the combined use of n-butylbenzisothiazolinone and dimethoxymethylsilylpropyloctadecyldimethylammonium chloride improves the mildew resistance of the particleboard; and the combined use of modified chitosan copper complex and ammonium pentaborate improves the corrosion resistance of the material, with synergistic effects.

This invention discloses a plant-based deodorizer. It comprises the following components in parts by weight: 20-40 parts plant extract, 2-5 parts surfactant, 5-10 parts fragrance, 3-8 parts antibacterial agent, and 80-160 parts water. This plant-based deodorizer effectively removes odors from ambient air and exhibits good antibacterial properties. The combined use of *Pyrrosia lingua* extract and *Gymnocalycium chinense* fruit extract, as well as the combined use of *Yucca sylvestre* extract and *Centella asiatica* extract, enhances the deodorizing effect. The combined use of benzalkonium chloride and octyldecyl dimethyl ammonium chloride enhances the antibacterial effect and provides a synergistic effect.

This invention belongs to the field of pathological testing and tissue specimen preservation technology, and in particular, it is a compound solvent-based tissue fixative, which is made by mixing the following raw materials in weight percentages: the main solvent is a 60%-80% ethanol solution; the co-solvent and penetrant is 5%-10% polyethylene glycol tetrahydric acid and 3%-8% diethylene glycol; the dehydrating and hardening regulator is 5%-10% acetone; the pH adjuster and protein precipitant is a 2%-5% glacial acetic acid and 1%-3% trichloroacetic acid solution; the antibacterial and antistatic agent is a 0.5%-2% quaternary ammonium salt solution, wherein the quaternary ammonium salt solution is a 1% octyldecyl dimethyl ammonium chloride solution; and the stabilizer is 1%-3% methoxy-3-methylbutanol. This invention significantly reduces the health risks to operators by eliminating toxic reagents such as formaldehyde and glutaraldehyde and using food-grade ethanol as the main solvent, thus meeting green and environmentally friendly requirements. This characteristic enables the fixative to provide safer working conditions in environments such as pathology laboratories where long-term contact with fixatives is required, thus protecting the health of operators.

This disclosure belongs to the technical field of daily chemical products, and in particular relates to a granule composition with easy rinsing and soothing oil control properties and applications thereof. The granule composition includes the following components in parts by weight: 21-73 parts of a surfactant blend, 2.1-21 parts of a humectant, 1-4.9 parts of a soothing ingredient, 10-20 parts of a filler, 1-5 parts of an anti-caking agent and 0.1-1 part of a thickener; where the surfactant blend is a formulated blend of distearyl dimethyl ammonium chloride, sodium C14-16 olefin sulfonate, sodium cocoyl hydroxyethylsulfonate and sodium lauroyl glutamate. In this disclosure, the specified surfactant blend is combined with other components to provide a solid granule which has advantages of multiple soothing and cleansing effects, reduced need for preservatives, long-term stability and excellent use effects, easy rinsing performance without residue, easy transportation or carrying.

The application discloses a solid corrosion and bacteria inhibition and scale inhibitor for shale gas well, which is a solid gel particle with calcium alginate as a skeleton, and contains imidazoline phosphate, corrosion and bacteria inhibition inhibitor and synergist in a mass ratio of (10-15):(10-15):(5-10). The imidazoline phosphate is obtained by esterification of phytic acid and imidazoline, and at least one phosphoric group in the phytic acid is esterified with the amino group of the imidazoline. The corrosion and bacteria inhibition inhibitor is a combination of acetylenic alcohol methyl quaternary ammonium salt and dipentadecyldimethylammonium chloride. The application also discloses a preparation method of the solid corrosion and bacteria inhibition and scale inhibitor. The solid corrosion and bacteria inhibition and scale inhibitor for shale gas well can be added into the gas well annulus, and is settled at a set position to protect the well bore. Once added, the solid corrosion and bacteria inhibition and scale inhibitor can long-term improve the problems of bacterial corrosion on the upper part of the well bore string, corrosion caused by carbon dioxide and hydrogen sulfide acidic gas on the lower part of the well bore string, and fouling and under-deposit corrosion caused by high temperature on the lower part of the well bore string.