185 results about "Triacetin" patented technology

Disclosed is a pharmaceutical composition for antifungal use, comprising: 1) one or more compounds selected from compounds represented by the general formula (1) below and physiologically acceptable salts thereof; 2) one or more compounds selected from polypropylene glycol, diesters of dibasic acids, triacetin, 2-ethyl-1,3-hexanediol, lauromacrogol, and polyoxyethylene-polyoxypropylene glycol; and 3) one or more compounds selected from glucono-δ-lactone, propylene glycol, glycerin, and lactic acid. General formula (1) (In the formula, X represents a halogen or hydrogen).wherein X represents a halogen or hydrogen.

The invention discloses an ultrafine calcium carbonate powder acetal modifier. The ultrafine calcium carbonate powder acetal modifier comprises, by weight, 3-5 parts of polyvinyl acetal, 25-30 parts of glycidyloxypropyltrimethoxysilane, 5-8 parts of sodium carbonate, 3-5 parts of an acrylic acid-vinylpyridine copolymer, 5-8 parts of glycol, 5-6 parts of triacetin, 1-2 parts of dioctyltin and 50-60 parts of water. The ultrafine calcium carbonate powder acetal modifier has the advantages of scientific and reasonable design, simple processes, safety, reliability, control easiness, operation convenience, large-scale production feasibility and low production cost.

Methods and compositions for the generation of a peroxyacetic acid sanitizer in proximity to the point-of-use are disclosed. These methods comprise introducing a hydrogen peroxide-acetyl precursor solution to water, mixing, and then adding an aqueous source of a alkali metal or earth alkali metal hydroxide. Triacetin is a preferred acetyl precursor and is converted rapidly and with a high conversion rate into peracetic acid. These methods produce solutions with a high level of peracetic acid. Methods for preparing the hydrogen peroxide-acetyl precursor solution are also provided. Also disclosed are solid compositions comprising a liquid acetyl precursor, a water-soluble source of hydrogen peroxide, and a water-soluble source of alkalinity. The solid composition is a freely-flowable solid that is used as a bleaching agent and a stain remover for the treatment of articles such as fabrics, dentures, textile garments, and equipment used in the food and beverage industry.

The invention discloses a tobacco juice solvent for an electronic cigarette. The tobacco juice solvent for the electronic cigarette comprises 10wt%-50wt% of butanediol, 5wt%-15wt% of polyethylene glycol, 5wt%-15wt% of triethylene glycol, 1wt%-5wt% of triacetin, 1wt%-5wt% of diacetin, 1wt%-5wt% of sweet taste inhibitor solutions and the balance glycerin, wherein the sweet taste inhibitor solutions are sweet taste inhibitor aqueous solutions or propylene glycol solutions, and the concentration of the sweet taste inhibitor solutions is 5wt%-15wt%. When the electronic cigarette prepared from the tobacco juice solvent is smoked, sweet greasy is avoided, the drying feeling is light, the taste is bitter, and a good application prospect in the development of the tobacco juice solvent of the electronic cigarette is achieved.

Methods for treating poultry during processing for increasing the weight of the poultry are disclosed. The methods may be performed in a chill tank or other reservoir and utilize either equilibrium peracetic acid or non-equilibrium peracetic acid. The non-equilibrium peracetic acid may be prepared from hydrogen peroxide and a liquid acetyl precursor, such as triacetin. The methods comprise contacting a poultry carcass with peracetic acid-containing water at a pH of about 6 to about 9. The methods result in an increase in the weight of the processed products and an increase in a processing plant's percent yield of the processed products.

The invention discloses polyvinyl chloride synthetic leather for a luggage. The leather comprises a surface layer, a foaming layer, a bonding layer and fluffing cloth. The surface layer is slurry prepared from the following raw materials in parts by weight: 40-50 parts of SG-3 PVC (Polyvinyl Chloride) resin, 70-80 parts of SG-5 PVC resin, 30-35 parts of glycerol triacetate, 10-15 parts of epoxidized soybean oil, 20-25 parts of glycerol triglycerate, 5-6 parts of PVC color cream, 1-2 parts of bimercapto iso-octyl acetate di-n-octyl tin, 5-10 pats of zinc oxide and 5-10 parts of modified attapulgite. Through improvement of formula and process provided by the invention, the flexibility of the synthetic leather is enhanced, and the synthetic leather has a natural and comfortable handfeel similar to that of natural leather. The synthetic leather is not easy to damage or tear within 3-5 years, and suitable for use in lug gages.

The invention relates to a method for extracting phenol compounds from direct coal liquefied oil through extractive distillation. An extractive distillation solvent (hereinafter referred to as solvent) adopted in the method is glyceryl triacetate and / or sulfolane, or a mixed solvent formed by mixing glyceryl triacetate and / or sulfolane and one or more selected from glycerol, triethanolamine, triethylene glycol, tetraethylene glycol, dimethyl sulfoxide and diethanol amine according to any proportion. The method is used for extracting phenol compounds from direct coal liquefied oil in an extraction distillation tower by using the solvent, then, a solvent flow rich in the phenol compounds enters a recovery tower and is separated, the phenol compounds discharged from the top of the recovery tower are recovered after being cooled to obtain phenol products, and the solvent is recycled after being discharged from the bottom of the recovery tower. The method has the characteristics of high product purity, low system energy consumption, no wastewater generation, no acid and alkaline waste and no corrosion to equipment.

The present invention relates to plasticizer preparations based on triacetin with short gel time, and to their use, and to polyvinyl chloride preparations.

The invention belongs to the technical field of fuels, and particularly relates to an environment-friendly type biofuel. The environment-friendly type biofuel is prepared from the following raw materials in parts by weight: 25 to 50 parts of alcohols, 15 to 33 parts of castor oil, 10 to 22 parts of n-octane, 8 to 14 parts of triacetin, 6 to 12 parts of sodium dodecyl benzene sulfonate, and 0.8 to 2.6 parts of additive. The environment-friendly type biofuel has the advantages that the emission amount of tail gas is low; the environment-friendly type biofuel can be used for directly replacing diesel; the waterproof, anti-corrosive and anti-oxidizing properties are good, and the problem of rubber swelling and the like are effectively solved.

The invention provides a method for preparing acetin. The method comprises that: in the presence of alkali catalyst, grease reacts with acetate, and acetin and fatty acid ester are collected. The method has the advantages of: (1), producing the acetin directly by using the grease and the acetate, generating little side reaction, achieving high product quality and widely used by products; 2, avoiding using acetic acid and acid catalyst, solving the problem of serious corrosion existing in the conventional process and lowering requirements on equipment material and operation and maintenance costs; and 3, enlarging the application range of methyl acetate.

The invention relates to an improved method for producing epoxidated glyceride acetates. The inventive method involves transesterifying epoxy fatty acid esters with triacetin.

A suspendible enteric coating composition for encasing orally ingestible articles wherein the enteric coating composition comprises a pH-dependent polymer selected from a group containing alginates and alginic acids, a pH-independent water insoluble polymer selected from the group comprising ethylcellulose and ethylcellulose-containing compositions, and a plasticizer selected from the group containing triethyl citrate, glycerin, propylene glycol, triacetin, acetylated monoglycerides, dibutyl sebacate, polyethylene glycols, sorbitals, middle chain triglycerides and combinations thereof. A three step method for providing a stable outer enteric coating on an ingestable item comprising a first step of encasing the item with a suspension comprising a mixture of at least a sugar and a microcrystalline cellulose, a second step of then encasing the item with a suspension comprising a mixture of a film-forming polymer and a plasticizer, and a third step of finally encasing the item with the enteric coating composition.

The invention discloses a method for preparing biodiesel and co-producing triacetin, namely a method for preparing biodiesel and co-producing triacetin through catalyzing high-acid-value oil by adopting a dual-acid-type ion liquid by a 'one-pot' method. The method for preparing biodiesel and co-producing triacetin is characterized by comprising the following steps of: taking the dual-acid-type ion liquid formed by alkyl sulfonic acid functionalized acidity quaternary ammonium salt cationic and Lewis acidity inorganic anions as a catalyst, wherein free fatty acid in acid-catalyzed high-acid-value oil is subjected to esterification reaction, glyceride in acidity catalytic oil is subjected to ester exchange reaction so as to prepare biodiesel; and then reacting an ion liquid which is prepared by utilizing biodiesel and is separated automatically after reaction and a glycerol mixture with acetic acid, and co-producing triacetin. Compared with the prior art, 1. The selection range of raw material oil is much wide and economical; 2. The catalyst ion liquid has stable performances, has a good catalytic effect, and can be recycled; and the glycerol is high in utilization ratio, and the obtained product triacetin has high additional value.

The invention discloses a detection method of lead content in triacetin. The detection method is characterized in that a sample is diluted through absolute ethyl alcohol at the pre-processing stage, a standard adding method is adopted, and an air oxidation step is added between the drying step and the ashing step in the atomic absorption spectrometer heating process, thus the sample can be directly fed and detected, and the content of lead in triacetin can be quickly and accurately detected. Compared with the conventional electric hot plate digesting and microwave digestion pre-processing, the detection method disclosed by the invention has the advantages that little loss of the element to be detected is caused during direct feeding, the operation is easy, and poisonous and harmful chemicals are not used in the experimental process, so nearly no harm is brought to an operator. According to the detection method of the lead content in triacetin, after detection adopting the optimized related heating processes, ashing temperature and atomizing temperature of the atomic absorption spectrometry based on the characteristics of the triacetin material, a matrix modifier is adopted and used for eliminating the interference, thus high recovery rate is realized, and the detection result is accurate.

Apparatus and method for determining the triacetin content in cigarette filter plugs during the manufacture of the filter plugs from a filter tow. The apparatus including a filter tow storage container, a filter tow stretching device, a device for feeding triacetin, to the filter tow, a plug-forming device, a device for dividing the plug into portions, a first microwave sensor disposed downstream of the plug-forming device, and a second microwave sensor disposed upstream of the feed device for the triacetin. The triacetin content is determined by transmitting a high frequency electromagnetic field through the filter plug both before and after the triacetin is added and measuring the frequency shift and spread of the electromagnetic field to determine mass signals At and A0, respectivley. A0 is compared to At to calculate the triacetin content of the filter plug.

The invention relates to a furane self-hardening sand, comprising crude sand, binding agent, curing agent, coupling agent and lubricating agent, wherein the dosage of the curing agent is 40-60% of that of the binding agent, the dosage of the coupling agent is 0.1-0.5% of that of the binding agent, the dosage of the binding agent is 1-1.5% of that of the crude sand, the dosage of the lubricating agent is 2-4% of that of the crude sand, and the binding agent comprises the following components according to parts by weight: 60-70 parts of furane resin, 20-30 parts of phenolic aldehyde resin, and 5-15 parts of PEO resin; the curing agent comprises the following components according to parts by weight: 60-70 parts of sulfuric acid triacetin, 20-30 parts of phenolsulfonic acid, and 5-15 parts of phosphoric acid; the soil content of the crude sand is less than or equal to 0.4%; the water content is less than or equal to 0.5%; the tensile strength of the furane self-hardening sand is more than or equal to 0.7MPa; and the gas evolution is less than or equal to 14ml / g. The invention is not only high in strength and good in permeability, but also strong in fire resistance.

The invention relates to a method for preparing triacetin by catalysis of solid superacid. The method is as follows: mixing a proper amount of glacial acetic acid and glycerin in proportion; adding a proper amount of solid superacid used as a catalyst in mixing solution; heating to 125-135 DEG C and then carrying out reflux reaction; in the reaction, leading the glacial acetic acid with a low boiling point and water to pass through a rectification device; leading the acetic acid in which water is removed by rectification to enter a reactor to continuously react; and replenishing a proper amount of glacial acetic acid and continuously controlling the temperature at 125-135 DEG C for reaction. The solid superacid can be recycled, and the highest yield of glycerin after reaction can be up to 96%. The invention provides an economical and environment-friendly method for producing the glycerin, which ensures that the yield of the glycerin is greatly improved. The catalyst is small in corrosion and can be recycled at the same time, thereby providing dual benefits in the aspects of process optimization and environmental protection for an enterprise.

The invention relates to a calcium carbonate gamma-aminopropyl triethoxy silane modifier, which is characterized by comprising the following components by weight: 1-3 parts of propylene maleate calcium rosinate, 25-30 parts of gamma-aminopropyl triethoxy silane, 5-8 parts of sodium carbonate, 3-5 parts of acrylic acid vinylpyridine copolymer, 5-8 parts of glycol, 5-6 parts of triacetin, 1-2 parts of dioctyltin, and 50-60 parts of water. The modifier has the advantages of scientific and reasonable design, simple process, safety and reliability, easy control, convenient operation, large scale production and low production cost.

Anti-fog compositions comprising a primary film having opposing major planar surfaces and a central coplanar region disposed between the opposing major planar surfaces and comprising cellulose acetate and a plasticizer. The cellulose acetate may have a degree of substitution less than 2.6. The plasticizer may be selected from the group consisting of 1,2,3-triacetoxypropane (triacetin), tributyl citrate, triethyl citrate, triphenyl phosphate, tris(clorisopropyl)phosphate, dimethyl phthalate, diethyl phthalate, bornan-2-one, PEG-DGE, PPG-DGE, tributyl phosphate, and combinations thereof. The primary film has a thickness greater than 90 microns.

The invention discloses a low-calorie edible plant oil and a preparation method thereof. According to the invention, the saponification value of the oil is between 250mg / g and 400mg / g; and compared with the traditional oil, the calorie of the plant oil disclosed by the invention is reduced by 2%-50%. The preparation method of the low-calorie edible plant oil comprises the following steps: weighing 40%-70% of edible oil; and adding 30%-60% of triacetin in the edible oil and then evenly mixing, and heating to obtain a mixture; adding a reaction accelerating agent monoglyceride and catalyst sodium alcoholate into the mixture for ester exchange reaction; after the reaction is finished, washing, distilling and filtering to obtain the low-calorie edible plant oil. The plant oil comprises all of the edible oils, such as common plant oils, such as soybean oil, colza oil, peanut oil, palm oil, cottonseed oil, corn oil, sunflower seed oil, tea seed oil, linseed oil, walnut oil, rice bran oil, acer truncatum oil and corn germ oil, or oil obtained by mixing the common plant oils in a proportion. By eating the low-calorie edible plant oil disclosed by the invention, the calorie intake amount of people can be effectively reduced, thereby reducing the probability of fat and reducing the generation of cardiovascular and cerebrovascular diseases.

The invention provides a solvent composition for producing a stacked capacitor which has good adhesivity with a raw film, does not consume time during a dry step, and is not easy to generate an etching phenomenon. The solvent composition for producing the stacked capacitor contains a 60-95 wt% 0f the glyceryl triacetate, preferably the solvent composition contains a 5-40 wt% 0f at least one of substance selected from cycloalkyl ester acetate, dialkylene glycol alkyl ether, dialkylene glycol monoalkyl ether acetate, alkyl ether acetate, alkylene glycol aryl ether and terpinol.

The invention provides essence for a cigarette lap adhesive. The essence is prepared from 90 to 99.99wt% of a stabilizer and 0.01 to 10wt% of perfume essence through mixing. The stabilizer is prepared from 5 to 15wt% of corn starch, 1 to 3wt% of beta-cyclodextrin, 5 to 40wt% of triacetin, 15 to 30wt% of propylene glycol, 10 to 30wt% of alcohol and 5 to 64wt% of water through mixing. The perfume essence is prepared from 0.1 to 8.0wt% of menthol, 0.1 to 8.0wt% of dementholised peppermint oil, 0.1 to 10.0wt% of peppermint oil, 0.1 to 5wt% of ethyl maltol, 0.1 to 5.0wt% of fennel oil, 0.1 to 3.0wt% of anisic aldehyde, 0 .01 to 2wt% of beta-damascone with a concentration of 10%, 0.01 to 5wt% of damascone with a concentration of 10%, 15 to 40wt% of propylene glycol and 20 to 60wt% of alcohol. The essence can increase the sense of coolness when the cigarette is sucked, improve the pleasure of cigarette smoking, and is evenly released during the suction process to keep the sensory quality of the cigarette.

Disclosed is a transdermally absorbable donepezil-containing preparation which enables the administration of donepezil in a sustained manner for a long period and can achieve both the rapid increase in blood donepezil level and the sustained release of donepezil. The transdermally absorbable donepezil-containing preparation comprises an adhesive patch base material comprising a hydrophobic polymer and an absorption-enhancing agent and donepezil (an active ingredient) dissolved in the adhesive patch base material, wherein the absorption-enhancing agent comprises at least one component selected from lauryl alcohol, triethyl citrate, isopropyl myristate, cetyl lactate, oleyl alcohol, sorbitan monooleate, polyethylene glycol monostearate, lauromacrogol, N-methyl-2-pyrrolidone and triacetin.

The invention relates to a preparation containing: (i) a composition containing (a) one, two or a plurality of compounds selected from the group consisting of (a1) alcohol monoterpenes of formula (I) in which R1 is H or methyl, R2 is H or C2-alkenyl, and R3 is a linear or branched, saturated or unsaturated hydrocarbon radical with 4 to 10 carbon atoms, and the enantiomers, diastereomers, racemates, solvates and physiologically compatible salts thereof, and / or (a2) bicyclic epoxy-monoterpenes, (b) at least two lactones of formula (II) in which R4 is H or methyl, R5 is a linear or branched, saturated or unsaturated hydrocarbon radical with 2 to 10 hydrocarbon atoms and n is the number 1 or 2, and the enantiomers, diastereomers and racemates thereof, (c) one, two or a plurality of solvents selected from the group consisting of ethanol, water, dipropylene glycol (DPG), diethyl phtalate (DEP), propylene glycol (PG), isopropyl myristate (IPM), isopropyl palmitate (IPP), triethyl citrate (TEC), triacetin (TRI), 1,2-Propanediol, 1,3-Propanediol, Propanethiol, Pentanediol, Hexanediol, Octanediol, Decanediol (SymClariol®), Dodecanol, 4-hydroxy-acetophenone (SymSave® H), glycerine, butylene glycol, pentylene glycol, hexylene glycol, decylene glycol, propylene carbonate, butylene carbonate, glycerine carbonate, 2-5 benzyl heptanol, lauryl alcohol, trimethyl-hydroxypentyl-isobutyrate, glyceryl-caprylate, ethylhexyl glycerine, benzyl benzoate (BB), and optionally (d) other flavouring agents or aromatic substances selected from the group consisting of 3-phenylbutanal (Trifernal), acetyl methyl carbinol, anethole, anisyl acetate, dihydroeugenol, linalyl formate, 2-methyldecanal, 2-benzyl-2-methylbut-3-ene nitrile (Ci-trowanil® B), 3-hexenyl acetate, styrallyl acetate, belanis, citronellal, cinnamyl acetate, rhubafuran, beta-ions, anther, prenyl acetate, 2-phenyl propanal, 4-(4-hydroxyphenyl)butan-2-one (Frambinon®), ethyl phenoxyacetate, isoralderine, gamma-terpinene, limonene, neocyclocitral, methyl lavender ketone, styrallyl propionate, phenyl ethyl propionate, limonenal, 4-isopentylcyclohexanol (Symrose®), 4-methyl-2-phenyl-3,6-dihydro-2H-pyran / 4-methylene-2-phenyl-tetrahydropyrane (Rosyrane super), hydrocitronitril, phenoxanol, isoamyl phenylacetate, damascone, silvial, nectaryl, ambroxide, acetyl pyrazine, trimethyl pyrazine, isoamyl acetate, para-cresyl methyl ether, filbertone, cyclohexyl acetate, heliotropin, acetophenone, anisaldehyde, para-methyl acetophenone, veratraldehyde, methyl anisate and vertoprenal; (ii) aldehydes of formula (III) in which R6 is a saturated or non-saturated, linear hydrocarbon radical; and / or (iii) free fatty acids of formula (IV), in which R7 is a linear or branched, saturated hydrocarbon radical.

The present invention is a topical skin preparation for treatment of fungal infections of the skin and nails. The preparation comprises triacetin in combination with an antifungal agent. In a preferred form, the preparation further comprises, a fatty acid source such as a fish oil. In a preferred embodiment, cod liver oil and tolnaftate are used in combination with triacetin. The concentrations of these constituents are 96.0-99.0% concentration triacetin, 0.5-3.0% concentration tolnaftate and 0.5-1.0% concentration cod liver oil, in one preferred embodiment. Other compounds, such as ethyl alcohol, amino acids such as n-acetylcysteine, and herbal additives may also be added to the preparation. Further, other antifungal agents such as nystatin, clortimazole, econazole, ketoconazole, miconazole, solconazole, oxiconizole, naftifine, terbinafine, and butenafine, for example, may be substituted for the antifungal agent tolnaftate. The preparation of the present invention is effective in treating immune compromised patients and those with diabetes, as well as relatively healthy persons.

The invention discloses a method for determining the contents of benzene and benzene-series substances in tobacco-use triacetin. The method comprises the steps of internal standard extract preparation, standard working solution preparation, sample solution preparation, gas chromatography-mass spectrometry analysis, determination result calculation, and the like. The invention adopts an internal standard method in quantitation. An optimized detection method has the advantage of simple and accurate operation, such that errors brought by pretreatments and instrument precision are effectively reduced. With the adopted chromatographic conditions, separations of chromatographic peaks of 6 target objects and internal standards are good, and the chromatographic peaks have good linear correlation. A detection limit is 0.01-0.02mug / g, an average relative standard deviation is 2.02-7.01%, and a standard addition recovery rate is 89.0-108.5%. The method has the advantages of high sensitivity, good repeatability, high recovery rate, and the like. The method has good practicality.

A preparation method of melting carbonate fuel battery membrane, including slurry preparation, molding, drying and heat pressure processes. The method characterized in that the slurry uses water as the solvent, PVA as agglomerate, lactic acid as the dispersing agent, glycerin and mixture of triacetin and ethanediol as DBP, ºÐ-LiALO2 as the powder. The formulation is weight share, powder: 45.0 share, the grain size > 1mum of coarse powder 80-95%, the grain size < 1mum of slender powder 5-20%; the agglomerate: 7.0-12.0 share; the dispersing agent:1.5-3.0 share; the DBP: 4.0-8.0 share; the solvent: 2.5-4.5 times of the powder. The invention use water as solvent to get the homogeneous membrane with high mechanical intensity. The void ratio >=50%, the film resist of the battery is relatively high (>=0.9 MPa), the biggest aperture is <= 1mum, and meanwhile has high electric chemical performance and the chemical performance is not lower than the membrane manufactured by the organic solvent.