43 results about "Octadecyl ammonium chloride" patented technology

The invention discloses a mesoporous Y-type zeolite molecular sieve and a preparation method thereof. The preparation method comprises the following steps of: firstly preparing a Y-type zeolite guiding agent; and then guiding synthesis of the mesoporous Y-type zeolite molecular sieve by using amphiphilic organosilane N,N-dimethyl-N-[3-(trimethoxysilane)propyl]octadecyl ammonium chloride (TPOAC) as a mesoporous template, wherein siloxane group at the organosilane terminal is firstly hydrolyzed into silicon hydroxyl; then the silicon hydroxyl is linked to a skeleton on the zeolite surface through chemical bonds; and other alkyl terminals are polymerized and then participate in pore expansion. According to the method disclosed by the invention, mesoporous zeolites can be synthesized by using a one-step hydrothermal process; the method is simple in preparation process, easy to operate and low in cost and good in connectivity between mesopores and micropores, and facilitates macromolecular diffusion. As the prepared mesoporous zeolite molecular sieve has the mesopores and the micropores, the defect of a single pore structure is avoided; and the mesoporous Y-type zeolite molecular sieve has broad application prospect in the catalytic field, in particular in macromolecular diffusion-limited reaction.

A remote control includes a top surface, a bottom housing connectable to the top surface, a plurality of protrusions extending outwardly from the top surface, a plurality of buttons associated with the plurality of protrusions such that pressure applied to the protrusions is transferred to the buttons to generate one or more actuation signals, and a transmitter connected to the buttons to receive the actuation signals and generate transmission signals. The transmission signals provide control instructions to a device associated with the remote control. The top surface includes an antimicrobial material, such as 3-Trimethoxy silyl propyl dimethyl octadecyl ammonium chloride.

The invention discloses a preparation method of an A type molecular sieve with a hierarchical duct, belonging to the preparation field of a zeolite molecular sieve. The preparation method comprises the following steps: adding a certain amount of sodium hydroxide and sodium metaaluminate into deionized water, adding silica sol and trimethoxysilylpropyl dimethyl octadecyl ammonium chloride (TPOAC) under stirring, ageing the liquid for 1-5 hours; then, filling the aged liquid into a hydrothermal synthesis kettle for crystallizing for 4-9 hours at 80-110 DEG C; and obtaining the A type molecular sieve with the hierarchical duct by virtue of steps such as filtering, washing, drying and roasting, wherein a molar ratio of reactants is that Na2O/SiO2/Al2O3/H2O/TPOAC is (2-4)/(1-5)/(0.5-2)/(90-150)/(0.01-0.2). The preparation method disclosed by the invention is simple, capable of introducing a mesoporous material into a microporous A type molecular sieve, so that the A type molecular sieve has a structure of the hierarchical duct.

A vascular access product is provided having a component with a plurality of external surfaces. At least one of the surfaces is coated with an antimicrobial treatment, wherein the antimicrobial material comprises a silane quaternary ammonium salt. The silane quaternary ammonium salt may comprise 3-(trimethoxysilyl) propyldimethyloctadecyl ammonium chloride. The vascular access product may be IV administration tubing, a catheter and the associated caps, luers, Y sites, connectors, drip chambers, PICC lines, stopcocks and similar IV components such as needleless IV connectors having valve mechanisms.

The invention relates to a preparation method of a durable fabric antibacterial finishing agent, belonging to the technical field of fabric finishing. In the present invention, wool is used as a raw material, and after being washed and decolorized by alkali solution, a wool keratin solution is prepared, and then sodium hydroxymethyl cellulose is used as a template agent to make nano silicon dioxide into a porous structure nanometer with good dispersibility. Silicon oxide, and then use the porous structure to absorb stearyl ammonium chloride to make an antibacterial agent, and finally use the prepared wool keratin solution to compound the antibacterial agent and silicone oil to obtain a durable fabric antibacterial finishing agent. The durable fabric antibacterial finishing agent prepared by the present invention prepares porous nano-silica, uses its large specific surface area to load quaternary ammonium salt antibacterial agents, and then uses wool keratin solution to coat the antibacterial agent and covers it on the surface of the fabric. , Form a protective film, significantly improve the antibacterial durability of the fabric.

The invention relates to a flow improver for shale gas reservoir fracturing and a preparation method thereof in the development of shale gas reservoir. The invention provides a flow improver with high resistance reducing efficiency, strong high-temperature resistance and salt tolerance and small dosage. The technical scheme is as follows: the flow improver is a copolymer prepared by polymerizing acrylamide with dimethyl allyl octadecyl ammonium chloride and including with hydroxypropyl cyclodextrin, and the ingredients and contents of raw materials used for preparing the flow improver are as follows: 6.95g of acrylamide, 0.56g of dimethyl allyl octadecyl ammonium chloride, 36g of hydroxypropyl cyclodextrin, 1g of ethanol, 5ml of ammonium persulfate solution and 10g of water. The preparation method comprises: firstly mixing an acrylamide aqueous solution with a dimethyl allyl octadecyl ammonium chloride solution, adding an initiator, filling nitrogen to remove the oxygen, reacting at 45 DEG C for 18hours to obtain a binary polymer, adding the hydroxypropyl cyclodextrin, and stirring the mixture at 60 DEG C for 18hours to obtain the flow improver. The flow improver has the stick-slip property of a polymer and the assembly and disassembly property of a cationic surface active agent.

The invention provides a silicone-containing exfoliated organo montmorillonite and a preparation method thereof. The preparation method comprises the following steps of: (1) adding the mixture of organic intercalation and inorganic montmorillonite to ethanol water for reaction, wherein the organic intercalation is selected from hydroxymethyl dodecyl ammonium chloride, amidocyanogen methyl octadecyl ammonium chloride, double (2-hydroxyethyl group) methyl dodecyl ammonium chloride or double (2-amidocyanogen) methyl octadecyl ammonium chloride; and (2) adding silicon oil to product of step (1) for reaction and collecting silicone exfoliated organo montmorillonite from the product of the reaction. The prepared silicone exfoliated organo montmorillonite can be directly applied to processes of manufacturing polymers such as silastic and the like, and fussy solution and meltdown intercalation can be avoided; size distribution of lamina is equal and the distribution range of size distribution is between 50 and 90 nm; the preparation process is simple and can be easily carried out; and the manufacturing cost is low.

The invention discloses a manufacturing method of a durable composite antibacterial textile, which comprises the following steps of: immersing the textile in an immersing liquid containing a composite anti-bacterial finishing agent at 80-95 DEG C; and then maintaining constant temperature of the textile at 115-130 DEG C for 0.5-2h, wherein the composite anti-bacterial finishing agent consists of the following components by weight: 40-75 parts of zinc oxide, 3-5 parts of urea antibacterial agent, 5-12 parts of 3-(trimethoxy silyl)propyl dimethyl octadecyl ammonium chloride, 0.5-2 parts of sorbic acid and 1-5 parts of aluminum zirconate coupling agent. According to the invention, inorganic, organic and natural product anti-bacterial finishing agents are organically combined, and a specific antibacterial agent and auxiliary agents are selected for compounding, so that the composite anti-bacterial finishing agent has the advantages of three anti-bacterial finishing agents, can be firmly combined with the textile, is strong in durability, has notable antibacterial action to the textile and is nontoxic and safe.

Water and oil soluble O-chitosan derivatives, their preparation and use thereof, wherein the synthesized chitosan upper substitutive derivative comprises o-ethlamine hydroxide ethyl chitosan and 0-2' -hydroxylpropyl -N, N-dimethyl octadecyl ammonium chloride chitosan, which is prepared through the reaction of N-phthaloyl chitosan with chlorohydrin, chlorethamin hydrochlorate and N,N dimethyl octadecyl amine hydrochlorate and epichlorohydrin in dimethyl carbinol medium.

The invention discloses an aid low-mobility polyvinyl chloride preservative film formula, which comprises 100 parts of polyvinyl chloride resin (SG-4 type), 25 to 30 parts of dioctyl phthalate (DOP), 15 to 25 parts of polyneopentanediol adipate, 2 to 5 parts of nano montmorillonite, 1 to 2 parts of octadecyl ammonium chloride, 4 to 6 parts of calcium-zinc composite stabilizer, 0.5 to 1 part of stearic acid and 0.5 to 1 part of paraffin. The components are prepared into a film with certain thickness for keeping fruits and vegetables fresh by processes of colloid mill homogenization, high-temperature kneading, melt extrusion, blow molding, traction, longitudinal and transverse stretching and the like. The mobility of the DOP is effectively reduced, the DOP mobility tolerance of the preservative film is increased by adding the organic modified montmorillonite particles, and the preservative film keeps good mechanical property. The aid low-mobility polyvinyl chloride preservative film has the main characteristics of tolerating plasticizer mobility and meeting the national standards on stretching property, tearing property, friction coefficient, light transmittance and thermal sealing property.

The invention relates to the field of preservation of textile relics, and discloses a method for preparing a bacteriostatic textile finishing agent from an ursolic acid extract. A dual-phase extraction method and a microwave-assisted extraction method are combined to be used for shortening the extracting time and improving the extraction efficiency. A mixed solution of a (NH4)2SO4 solution and ethyl alcohol is used as an extracting agent, the viscosity is easily reduced, the diffusivity and the solubility of the liquid are improved, and therefore, the content of extracted ursolic acid is increased. The ursolic acid and nanometer zinc oxide are used as a bacteriostatic agent, and the antibacterial activity of a textile is improved; by adding 3 (trimethoxy silane) propyl dimethyl octadecyl ammonium chloride and 3-imino-N-nitrided acetamidocyclic buty amide in the preparation process of the textile finishing agent, the finishing agent can be chemically bonded with cellulosic fibers and can be polycondensated to form a film, and the antibiotic constituents of the finishing agent have the washability.

The invention relates to an antibacterial fresh keeping packaging bag, and belongs to the technical field of packaging bags. The packaging bag is prepared from, by weight, 80-100 parts of polypropylene resin, 3-7 parts of polyvinyl alcohol, 20-40 parts of starch, 0.2-1.5 parts of nano titanium dioxide, 2-5 parts of epoxidized soybean oil, 18-22 parts of dioctyl phthalate, 28-32 parts of polypropylene glycol adipate, 2-5 parts of organic modified nano calcium carbonate, 2-4 parts of modified copper sulfate, 3-5 parts of octadecyl-ammonium chloride, 2-4 parts of stearic acid, 1.5-2.5 parts of liquid paraffin, 0.5-1.5 parts of thymol, 0.5-1.5 parts of vanillic aldehyde, 1-2 parts of titanium dioxide and 0.02-0.09 part of brofenvalerate through melting, blending, extruding and film blowing. The dense bag has the insecticidal and antibacterial properties, people do not need to worry about that bacteria and insects can damage substances in the dense bag, and the bag is closer to life of people.

The invention relates to a textile color fixing agent containing chitosan quaternary ammonium salt and a preparation method thereof, and belongs to the field of research and development and application of textile dyeing auxiliary. At present, the color fixing effect of applying chitosan quaternary ammonium salt to a textile color fixing agent is not good enough. The textile color fixing agent provided by the invention is prepared from the following components in parts by mass: 5-30 parts of chitosan quaternary ammonium salt, 5-20 parts of N,N-dimethyl-N-hydroxyethyl octadecyl ammonium chloride, 0-5 parts of glacial acetic acid, 1-5 parts of TO7 nonionic surfactant, 5-10 parts of epoxy modified silicone oil and 30-60 parts of water. With chitosan quaternary ammonium salt as main color fixing component, the textile color fixing agent provided by the invention is nontoxic, harmless, readily biodegradable and easy and convenient to prepare and process, and realizes a good color fixing effect and causes little influence on the fabric handfeel.

The invention relates to a softener compound which comprises the following components by weight percent: 3-7% of quaternary ammonium salt active matter, 0.02-0.5% of cationic starch, 0.01-0.5% of thickening agent, 0-2% of additive and the balance of water, wherein the cationic starch is prepared from starch and 2,3-glycidyl trimethyl ammonium chloride, 3-chlorine-2-hydroxypropyl trimethyl ammonium chloride, 3-chlorine-2-hydroxypropyl dimethyl-dodecyl ammonium chloride or 3-chlorine-2-hydroxypropyl dimethyl-octadecyl ammonium chloride. The softener compound is formed by compounding cationic starch with quaternary ammonium salt active matter; less cationic starch (accounting for 0.02-0.5wt% of the compound) is used together with quaternary ammonium salt; the softening fabric effect is better than that of singly used quaternary ammonium salt; the oily hand feel caused by the quaternary ammonium salt in higher saturability is relieved to some extent; a smoother experience is brought.

The invention discloses a p reparation method of a novel polyester filament yarn fabric alkali weight reduction accelerant FY-01. The novel polyester filament yarn fabric alkali weight reduction accelerant FY-01 is prepared by compounding the following components in percentage by weight: 25%-35% of 3-chloro-2-hydroxypropyl dimethyl octadecyl ammonium chloride, 15%-25% of N,N-dimethyldiallyl ammonium chloride, 10%-12% of AE-07 polyoxyethylene ether, 5%-8% of iso-ol polyoxyethylene ether, and the balance of water. The 3-chloro-2-hydroxypropyl dimethyl octadecyl ammonium chloride and N,N-dimethyldiallyl ammonium chloride of the alkaline weight reduction accelerant are mixed, so that the uniform adsorption amount of cationic alkali weight reduction accelerants on the surface of the polyester filament can be increased so as to achieve better weight reduction effect, the uniformity is good, and the weight reduction rate is easily controlled; the polyoxyethylene ether is added for compounding, substances can be added into grooves in the surface of the polyester stripped and etched by sodium hydroxide, so that the hydrophilicity of the fiber can be increased to achieve the moisture absorption and sweat releasing functions, and the wearing comfortableness can be promoted.

The invention discloses liquid cosmetic paste which is prepared from the following raw materials: carbomer, hydroxyethyl cellulose modifier, growth factor, honeysuckle flower extracting solution, radix dipsaci extracting solution, moisturizing additive and water. The moisturizing additive is at least one of amphiphilic carboxymethyl chitosan octadecyl ammonium chloride and quaternary ammonium hyaluronate. Compared with the prior art, the liquid cosmetic paste and the preparation method thereof have the advantages that the liquid cosmetic paste is safe and non-irritant and has nourishing and moistening functions; the liquid cosmetic paste has special functions of nourishment, anti-aging, stable emulsification, antisepsis and anti-inflammation, promotion for wound healing, repairing of damaged cells, and the like; the liquid cosmetic paste has effects of efficient moisturizing and long-term water retaining and is capable of continuously keeping water content of skin cuticle, guaranteeingskin moistening and keeping skin compact, elastic and glossy; after long-term use, the skin will become more fine, smooth and elastic.

The invention discloses an antimicrobial packing bag for grains. The thin film of the packing bag comprises the following ingredients in parts by weight: 60-80 parts of polyvinyl chloride resin, 10-20 parts of polypropylene resin, 18-22 parts of dioctyl phthalate, 28-32 parts of polypropylene glycol adipate, 2-5 parts of organic modified nano calcium carbonate, 2-4 parts of modified copper sulfate, 3-5 parts of octadecyl ammonium chloride, 4-6 parts of a calcium-zinc composite stabilizer, 2-4 parts of stearic acid, and 1.5-2.5 parts of liquid paraffin.

The invention relates to polymer liposomes based on polyamino acid and quaternary ammonium salt and a preparation method for the polymer liposomes. The preparation method comprises the following steps of: reacting dimethyl epoxypropyl octadecyl ammonium chloride with polyamino acid to obtain amphiphilic polymer polyamino acid octodecyl quaternary ammonium salt; and dissolving the amphiphilic polymer polyamino acid octodecyl quaternary ammonium salt and cholesterol in dichloromethane in different mass ratios, and preparing the polymer liposomes by using a reverse-phase evaporation method or a film dispersion method. Compared with the conventional products and technologies, the invention has the characteristics that: the whole preparation process is simple, and suitable for industrial production; the prepared product has uniform and controllable grain size and the effective grain size of 50-200nm; and a preparation is high in stability, the preparation process is simple and the like.

The invention provides an active agent, a hyaluronic acid production method and a product thereof, the active agent is used for cross-linking treatment of hyaluronic acid, and the active agent comprises the following components in parts by mass: 4-6 parts of 3- (trihydroxy) silyl propyl dimethyl octadecyl ammonium chloride, 0.03-0.07 part of chloropropyl silane and 90-97 parts of deionized water.In the hyaluronic acid cross-linking link, the active agent is added into a hyaluronic acid fermentation solution, hydroxyl silicon molecules in the active agent and hyaluronic acid small molecules are fully cross-linked, and modification and immobilization are carried out in a covalent bond mode to form a new group. Experiments prove that the group has positive charge characteristics of cations,good deoxidation and antioxidant effects and a good physical sterilization effect.

The invention relates to a novel macromolecule liposome and a preparation method thereof. The preparation method comprises the steps of: preparing an amphiphilic macromolecule gamma-polyglutamate octadecyl alkylammonium salt through the reaction of dimethyl glycidyl octadecyl ammonium chloride with gamma-polyglutamate; and secondly, dissolving the gamma-polyglutamate octadecyl alkylammonium salt and cholesterol into dichloromethane according to different mass ratios, and preparing the macromolecule liposome according to a reverse-phase evaporation process or film dispersing process. Compared with the traditional product and the prior art, the invention has the characteristic of simple preparation process and is suitable for industrialized production. The prepared product has the characteristics of uniform and controllable particle diameter, effective particle diameter of 70-130nm, Zeta potential of 6-8mV, good preparation stability, simple preparation process and the like.

The invention discloses a production method of organobentonite. The method comprises the following steps: step 1, taking 55-65 parts of N,N-dimethyl octadecyl amine in weight and 10-15 parts of absolute alcohol in weight into a reaction vessel, enabling the inner side temperature of the reaction vessel to be 20 DEG C, starting stirring for 1.5 hours, stirring while adding 25-30 parts of liquid chloromethane in weight, and keeping the temperature at 20-60 DEG C for 60 minutes after the stirring is completed to prepare octadecyl ammonium chloride; step 2, taking 50 parts of bentonite, adding water to dilute the bentonite to be a suspending liquid, starting stirring for 40 minutes, stirring while adding 2 parts of prepared octadecyl ammonium chloride, and keeping the temperature at 20-60 DEG C for 60 minutes after the stirring is completed to produce the organobentonite. According to the organobentonite produced by the method, the whiteness is increased, the viscosity is enhanced, and the combustion amount is improved.

The invention discloses a sealing strip PTFE resin composite material with high temperature resistance in a high-temperature region. The sealing strip PTFE resin composite material contains the following components by weight percent: 9-14% of carbon fiber, 6-15% of copper powder, 3-10% of modified imvite and the balance of PTFE, wherein the modified imvite is the Na-montmorillonite modified with ethylene benzyl dimethyl octadecyl ammonium chloride. The invention also discloses a preparation method thereof. According to the invention, the carbon fiber is added, so that the coefficient of thermal expansion can be reduced and the leakage hidden danger caused by expansion after temperature rise can be reduced; creep can be reduced, the hardness can be increased and the heat resistance of the material can be increased; the addition of the copper powder is beneficial to the reduction of the abrasion of the material, the reduction of creep, the reduction of deformation under load and the promotion of the thermal stability and conductivity of a thermal PTFE composite material; the modified imvite is capable of forming uniform nanoscale dispersing in PTFE, so that the composite material has higher heat-resisting stability; the sealing strip with high temperature resistance in the high-temperature region can be used for a long term under the environment of 300 DEG C without deformation.

The invention discloses a preparation method of a temperature control phase transfer catalyst for synthesizing epoxy chloropropane, and belongs to the field of catalytic chemistry. The preparation method comprises the following steps: dissolving K-type phosphotungstic acid in 30% hydrogen peroxide, carrying out an oxidation reaction to obtain a peroxyphosphotungstic acid aqueous solution, dropwiseadding the peroxyphosphotungstic acid aqueous solution into an ethanol solution of dimethyl dioctadecyl ammonium chloride, and carrying out a stirring reaction at 40 DEG C for 2 h; and after the reaction is finished, filtering a reaction product to obtain white powder, and carrying out water washing, absolute ethyl alcohol washing and vacuum drying to obtain the dimethyl dioctadecyl peroxy phosphotungstic acid catalyst. According to the method, the dimethyl dioctadecyl peroxyphosphotungstic acid is used as a catalyst, chloropropene and hydrogen peroxide are used as raw materials, and under the condition of no solvent or additive, the yield of epoxy chloropropane prepared by a one-pot method reaches 97.1%, the selectivity is greater than 99%, and the product yield is up to 96% or above. After the reaction is finished, the catalyst is dissolved in epoxy chloropropane, the catalyst is separated out when the temperature is reduced to 10 DEG C, and the catalyst is recycled through a filtering method. The catalytic reaction process is simple to operate, mild in reaction condition, low in production cost, stable in catalyst property, convenient to recycle and beneficial to industrial production.