314 results about "Thiazoline" patented technology

To provide a resist polymer comprising, as a structural unit, an acid-decomposable unit having a structure represented by formula (1) or (2) which exhibits a small line edge roughness and produces little defects in DUV excimer laser lithography or the like. In formulas (1) and (2), n represents an integer of 2 to 24; J represents a single bond or a divalent hydrocarbon group which may have a substituent / heteroatom when n=2, or represents an n-valent hydrocarbon group which may have a substituent / heteroatom when n≧3; E represents a residue of a polymerization terminator, a chain transfer agent or a polymerization initiator; K1 and K2 each represent at least one selected from alkylene, cycloalkylene, oxyalkylene, arylene, a divalent thiazoline ring, a divalent oxazoline ring and a divalent imidazoline ring; L1 and L2 each represent at least one selected from —C(O)O—, —C(O)— and —OC(O)—; M1, M2 and M3 each represent at least one selected from alkylene, cycloalkylene, oxyalkylene and arylene; Y, Y1 and Y2 each represent an acid-decomposable linkage; k1, k2, l1, l2, m1, m2, m3 and n1 each represent 0 or 1; and R1 represents H or a methyl group.

Dispersion of filler(s) in polymeric compositions are improved by the use of a polymer-filler coupling compound, Q-A-B, wherein Q comprises a dipolar nitrogen-containing moiety that can form a 1,3 dipolar addition to an unsaturated carbon-carbon bond; B is an oxazoline, thiazoline, alkoxysilane or allyltin moiety, and A is a linking atom or group that forms a bridge between Q and B.

The present invention relates to an antimicrobial composition that includes at least one isothiazolin-3-one and at least one alkyl amine containing a primary, secondary or tertiary amine functional group and having an average chain length of between eight and eighteen carbons per molecule of the alkyl amine.

A microbicidal composition containing: (a) at least one non-halogenated 2-alkyl-4-isothiazolin-3-one selected from substituted and unsubstituted 2-(C1-C4)alkyl-4-isothiazolin-3-ones; and (b) at least one of 2,2'-dithiobis(N-methylbenzamide) and 2-methylbenzisothiazolone.

The invention discloses a phosphorus-containing dication ionic liquid as well as a preparation method and application thereof. The phosphorus-containing dication ionic liquid has the structural general formula shown in the figure (I), wherein n is an integer within the range of 2-8; R1, R2 and R3 are respectively selected from saturated or unsaturated alkyl with 1-20 carbon atoms, aryl group or heterocyclic ring group; cation A is one selected from imidazoles, quaternary ammoniums, quaternary phosphorus, pyridines, pyrroles, thiazoles, 3-nitrogen imidazole, pyrrolines, thiazolines, amino acids, guanidines and benzotriazole imidazoles; and X<-> and Y<-> are organic or inorganic negative ions. The phosphorus-containing dication ionic liquid can be used for catalyzing cycloaddition of carbon dioxide and epoxy compound for synthesizing cyclic carbonate, and has the characteristics of being high in activity, good in selectively and good in stability, needing no solvent and cocatalyst, and the like.

A photoelectric conversion device is provided and includes a photoelectric conversion layer containing a compound represented by the following formula (1). Formula (1):In the formula, Z1 represents an atomic group for forming a 5- or 6-membered nitrogen-containing heterocyclic ring; Za represents an atomic group for forming a 5- or 6 membered ring; R1 represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or a heterocyclic group; L11 to L14 each represents a methine group which may have a substituent or may form a ring with another methine group; p1 represents 0 or 1; n1 represents an integer of 0 to 4 and when n1 is an integer of 2 or more, each L13 or L14 may be the same as or different from every other L13 or L14; M1 represents an ion for neutralizing the electric charge; and m1 represents a number necessary for neutralization of the electric charge; provided that a compound where Z1 is an atomic group forming a thiazoline nucleus or a thiazole nucleus is excluded.

The invention relates to a fabric dirt pretreatment agent containing a steady biological enzyme complex and a low-activity substance and a preparation method thereof. A product of the invention takes fatty alcohol polyoxyethylene ether (7), fatty alcohol polyoxyethylene ether (9), sodium fatty alcohol-polyoxyethyleneether sulfate (70 percent), fatty alcohol polyoxyethylene ether (JFC), polyacrylate, sodium citrate, boric acid, propylene glycol, prolease, calcium chloride, isothiazolinone, essence, and deionized water as raw materials; and the method adopts a polymer to ensure that the prolease forms a polymer complex in a system by researching biological enzyme stabilization technology, which ensures the long-term effective activity of biological enzyme, ensures that the product can achieve stronger detergency when the content of an active substance is 10 percent or so and has steady quality during the storage, and achieves the aims of saving resources and protecting environment. The product is neutral, and has unique advantages in preventing fading, reducing the damage of clothes, protecting skin, and reducing pollution.

The present invention relates to novel thiazoline acids and derivatives thereof useful as chelators of trivalent metals in therapeutic applications. For example, the thiazoline acid derivatives are useful in diagnosing and treating pathological conditions associated with an excess of trivalent metals in humans and animals.

Phenyl- and pyridyl-substituted thiazoline acid derivatives useful in diagnosing and treating pathological conditions associated with an excess of trivalent metals in humans and animals.

The invention discloses an electronic engraving printing gravure hard copper additive which comprises a hardening agent and a gloss agent. The hardening agent is prepared from ethylene thiourea, polyethylene glycol, thiazoline-based dithio-propane sulfonate, a wetting agent, 98% sulfuric acid and purified water. The gloss agent is prepared from dithiobis-1-propanesulfonic acid disodium salt, phenyl disulfamate sodium sulfonate, acid copper leveling strong walking agent, acid copper middle-lower area walking agent, high-molecular polymer, sulfhydrazole, acid copper yellow dye, 98% sulfuric acid, 98% hydrochloric acid and purified water. The components and matching ratio are scientific and reasonable, water is added in batches, the components are sequentially added, the hardening agent and the gloss agent are prepared, the preparation process is simple, the additive is effectively used for electronic engraving printing gravure electroplating industry, and the prepared copper plating layer is large in hardness, good in smooth degree, good in flexibility and capable of being effectively stored for a long time.

The invention belongs to the technical field of lubricant, relates to a water-based hot rolling liquid containing nano TiO2 and a preparation method thereof and is used for the lubrication of steel plates and strips in the hot rolling process. The preparation method is characterized by selecting nano TiO2 having excellent corrosion inhibition and rust prevention performance as extreme pressure agent and using sodium hexametaphosphate and sodium dodecyl benzene sulfonate as dispersant, and comprises the following steps: sequentially adding deionized water, the sodium hexametaphosphate, the sodium dodecyl benzene sulfonate, triethanolamine, isothiazolinone, glycerol and benzotriazole; putting in a reaction kettle having a rotation rate of 80-120 r / min, and stirring while heating; when the temperature reaches 60 DEG C, adding the nano titanium dioxide, keeping the temperature, and continuously stirring for 30 minutes; and then, stopping heating, and further stirring until the temperature reaches room temperature, thus obtaining a white turbid liquid which is the required water-based rolling liquid. By using the water-based rolling liquid, the pollution caused by the traditional hot rolling oil can be reduced; the slow-release rust prevention performance of rolled steel products can be obviously improved; and the rolled steel products have favorable surface quality and long anti-corrosion period.

The invention relates to a method for preparing MBTH. The preparation process comprises synthesis of N-methyl-N-phenyl thiourea(I) with N-methyl aniline as raw materials; separation of N-methyl-N-phenyl thiourea(I) and preparation of 3-methyl-2-imino benzothiazole(II) by reacting with bromine; and preparation of targeted compound MBTH(III) by the reaction between (II) and hydrazine hydrate. The MBTH can be used for detecting the formaldehyde content in air.

The invention relates to a synthetic method of visible light catalytic 2-imine thiazoline derivatives. The synthetic method comprises: in a reaction solvent, by using saturated aziridine as shown in a formula (II) and an isothiocyanate compound as shown in a formula (III) as raw materials, under the conditions of nitrogen protection and lighting and under the action of a photocatalyst and an oxidizing agent, performing a reaction to obtain the 2-imine thiazoline derivatives as shown in a formula (I); the photocatalyst is selected from any one of the followings: Ru(bpy)3(BF4)2, Ru(bpy)3Cl2.6H2O, Ru(bpy)3(PF6)2, Ir(ppy)3, [Ir(ppy)2bpy]BF4, [Ir(ppy)2bpy]PF6, Ru(bpz)3(PF6)2, Ir[dF(CF3)ppy]2(dtbbpy)PF6 and eosinY; the oxidizing agent is selected from any one of the followings: phenyl diazonium tetrafluoroborate, ceric ammonium nitrate, 1-(chloromethyl)-4-fluoro-1,4-diazoniabicyclo2.2.2octane bis(tetra fluoroborate). The method disclosed by the invention has the advantages of mild reaction condition, wide substrate range, greenness, environmental-friendliness, high atom economy, step economy and the like. The formulas are shown in the description.

The invention provides a reverse osmosis membrane scale inhibitor and a preparation method thereof. The reverse osmosis membrane scale inhibitor is prepared mainly by organic phosphonic acid and / or a phosphino-carboxylic acid compound, quadripolymer, isothiazolinone and deionized water. The scale inhibitor comprises main components including acrylamide, sulfonate, acrylic ester and maleic anhydride quadripolymer, wherein the copolymer contains multiple functional groups and has very good scale inhibition and dispersion functions on different fouling substances, and tests prove that the scale inhibitor has a protection function on CaSO4, CaCO3, SiO2, CaF2, BaSO4, SrSO4, Ca3(PO4)2 and bacterial fouling.

A composition is disclosed that comprises: (A) a lubricant, and (B) at least one compound selected from the group consisting of alcohols of the formulae: wherein Y is N, O, or S; R1, R2, R3, and R4 are independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkaryl, aryl, alkoxy, and alkyl ester; R5 is selected from the group consisting of hydrogen, alkyl, alkoxy, a carboxy alkyl group of the structure: (CH2)pCO2R9 where: p is from 1 to 18, and R9 is hydrocarbyl; R7 is selected from the group consisting of hydrogen, CH2OR11, alkyl, and alkenyl, wherein: said alkyl and alkenyl groups are optionally substituted with OH, oxirane, or X; R11 is selected from the group consisting of alkyl of from 1 to 36 carbon atoms, alkaryl of from 6 to about 50 carbon atoms, and aryl, and may contain ether or ester functionalities; X is of the structure: or R5 and R7 are fused together to form a ring of 3-10, preferably 5 or 6, carbon atoms, which may be further substituted with alkyl, cycloalkyl, alkenyl, aryl, or alkoxy groups, and may contain ether or ester functionalities, and R6 and R8 are independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, aryl, and alkoxy.

The invention provides a kind of 2,4-disubstituted thiazoline derivatives, a preparation method and application thereof. The derivatives are shown in formula (I), wherein R<1> represents 2-furyl, 2-thienyl, 2-pyrrolyl, 2-indyl or 3-indyl; and R<2> represents methyl, isopropyl, isobutyl, benzyl or phenyl. The preparation method includes allowing acyl chloride and amino alcohol to react to obtain amide compound; and performing cyclic reaction to obtain the compound of the formula (I). The bioactivity experiment indicates that the 2,4-disubstituted thiazoline derivatives (CAU-FB series compound) have a certain inhibiting effect on various fungus, especially CAU-FB11 displays an inhibiting rate of 100% at a concentration of 50mg / l.

The invention discloses a method for preparing aromatic methyl ether, which comprises the step of reacting an aromatic phenol compound, caustic alkali, water and mono-chloro methane for 2hours to 8hours at the temperature of 60 DEG C to 100 DEG C under the pressure of 0.5Mpa to 2.5Mpa, so as to obtain the aromatic methyl ether, wherein the molar ratio of the aromatic phenol compound to the caustic alkali to the mono-chloro methane is 1:(1.0-2.0):(1.0-5.0), and the weight ratio of the caustic alkali to the water is 1:(4-10). The preparation method disclosed by the invention not only has the advantages that cost is low, yield is high, reaction is easy to implement and the like; by adding the phase transfer catalyst, the gas-liquid two-phase reaction can be effectively prompted, the reaction temperature range is moderate, both the reaction conversion ratio and the selectivity are relatively high, the purity of the aromatic methyl ether can reach more than 99.5%, the reaction yield is 95-97%, and the method has very high value in industrialization. In addition, the problem of exhaust emission in the 1,2-benzo-iso-thiazoline ketone production process is solved, the mono-chloro methane is effectively recycled, and the zero-emission production technology is achieved.

The invention relates to the field of chemical synthesis, and discloses a preparation method of tebipenem pivoxil. The preparation method comprises the following steps of: performing condensation reaction on azabicyclo phosphate and 3-mercapto-1-(1,3-thiazoline-2-yl) azetidine hydrochloride by taking acetonitrile as a solvent in the presence of diisopropylethylamine; in a mixed solvent consisting of acetic ether and a potassium bicarbonate aqueous solution, performing hydrogenization on the compound shown by formula I to remove p-nitrobenzyl to obtain tebipenem; and under the catalysis of a phase transfer catalyst, adding anhydrous potassium carbonate into the tebipenem and iodomethyl pivalate to perform condensation reaction to obtain the tebipenem pivoxil. By adopting the preparation method, according to the defects of related solvents and operations of purification and the like in the conventional method for preparing the tebipenem pivoxil, co-adapted solvents and purification operations are selected during preparation according to a reaction mechanism, so that the yield of the tebipenem pivoxil is improved, and the preparation method is suitable for industrial production. The formula I is shown in the description.

The invention relates to a dry cleaning agent for clothes and a preparation method thereof. The dry cleaning agent for the clothes takes sodium fatty alcohol-polyoxyethyleneether sulfate (70 percent), fatty alcohol polyoxyethylene ether (9), a modified siloxane surfactant, di-propylene glycol butyl ether, 3-methoxyl-3-methyl-1-butanol, sodium citrate, polyacrylate, citric acid, isothiazolinone, essence, and deionized water as raw materials. The dry cleaning agent for the clothes has the advantages of convenient and quick use, good decontamination effect, and no trace after the use, can meet the demand of removing local stains of the clothes and cloth, and save the energy source consumed by whole cleaning; and a product of the invention is a water-based dry cleaning agent for clothes, does not pollute the environment, ensures that the biodegradation rate reaches more than 90 percent, and is a green environment-friendly washing product.

The invention discloses a wood oldness making processing method including steps of wood preprocessing, preparation of an oldness making agent and wood oldness making processing, the oldness making agent is prepared from 1%-2% of potassium carbonate, 2%-4% of isophorone, 0.3%-1% of 2-phenyl imidazole, 0.5%-1% of potassium permanganate, 0.1%-0.5% of a thiazoline derivative and 92%-96% of water. The beneficial effect is that the wood oldness making processing method has the advantages of simple process, convenient operation, low cost, good oldness making effect, cleaning surface, and the like, and can be widely suitable for antique wooden furniture, antique wooden floor, antique wooden handicraft, wooden structure ancient building repair and construction, and other fields.

The invention discloses a biological slime inhibitor. The biological slime inhibitor is characterized by comprising the following components by weight percent: 5-30% of poly-hexylidene triamine guanidinium chloride, 1-10% of isothiazolinone, 1-10% of organic bromide, 5-40% of methanol solvent, and the balance of water, wherein the weight-average molecular weight of the poly-hexylidene triamine guanidinium chloride is Mw=10000-20000; the molecular weight distribution D is 1.0-1.1; the isothiazolinone is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-ketone and 2-methyl-4-isothiazolin-3-ketone, of which the mass ratio is (2.5-4):1; the organic bromide is one or more of 2,2-dibromo-3-nitrogen propionamide, 2-brome-2-nitro-1,3-propanediol and 2,2-dibromo-2-nitroethanol. In addition, the invention also provides a preparation method of the biological slime inhibitor. The biological slime inhibitor disclosed by the invention has an extremely efficient sterilization effect and excellent alga-killing property, and has the characteristics of being long in bacteriostatic time, free of drug resistance, free of a bubble, safe to use and the like.

The invention discloses tungsten-oxide-quantum-dot-material simulated peroxidase. A tungsten oxide quantum dot material has excellent peroxidase activity and can catalyze color developing agents such as hydrogen-peroxide-oxidized 3,3',5,5'-tetramethyl benzidine hydrochloride, diammonium 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) and o-phenylenediamine to develop colors. In this way, a novel simulated peroxidase inorganic nano-material capable of replacing natural enzymes is provided. The tungsten oxide quantum dot material is prepared in the mode that tungsten sulfide serves as a precursor, and reacting is carried out through a simple ultrasonic step and a hydrothermal method. The material is simple in synthesis step, environmentally friendly and low in cost; in addition, the peroxidase simulating effect is obvious, and therefore good application prospects are achieved in novel catalytic oxidation and medical analysis.

The invention discloses an antifouling material, relates to a composite antifouling material, and especially relates to an environment-friendly long-acting composite antifouling material. The environment-friendly long-acting composite antifouling material is characterized by being composed of the following components in percentage by weight: 5 to 70% of silver, 5 to 30% of copper, 20 to 80% of isothiazolinone compounds, and 5 to 50% of metal pyrithione compounds.

The invention relates to a high temperature resistance chocolate essence and a preparation method thereof. The present invention discloses a high temperature resistance chocolate essence, which comprises a chocolate essence base material and a whole chocolate modifying fragrance group, wherein the chocolate essence base material is prepared from the following raw materials: amino acids, a yeast extract, glucose, D-xylose, D-ribose, vanillin, ethyl vanillin, ethyl maltol, a cocoa extract, and the balance of propylene glycol, and the whole chocolate modifying fragrance group comprises the following raw materials: furanone, vanillin, ethyl vanillin, ethyl maltol, 2,3,5-trimethyl pyrazine, 2-acetyl furan, 5-methyl-2-acetyl furan, gamma-decalactone, isovaleraldehyde, 4,5-dimethyl-2-isobutyl-3-thiazoline, 5-methyl furfural, phenethyl alcohol and dimethyl sulfide. According to the present invention, the high temperature resistance chocolate essence has characteristics of natural, rich, pure and mellow aroma, and good high-temperature resistance, and the preparation method is simple.

The embodiment of the invention relates to the field of industrial corrosion prevention and mildew prevention, particularly relates to an isothiazolinone type compound micro-emulsion type sterilization mildew preventive as well as a preparation method and application thereof and more particularly relates to a 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT) and 1,2-benzisothiazolin-3-one (BIT)compound micro-emulsion type sterilization mildew preventive as well as a preparation method and application thereof. The DCOIT and BIT compound micro-emulsion type sterilization mildew preventive provided by the embodiment of the invention is prepared from: DCOIT, BIT and auxiliary agents for a micro-emulsion preparation; the preparation method of the DCOIT and BIT compound micro-emulsion type sterilization mildew preventive comprises the following step: preparing the DCOIT, the BIT and the auxiliary agents for the micro-emulsion preparation into the DCOIT and BIT compound micro-emulsion typesterilization mildew preventive. The DCOIT and BIT compound micro-emulsion type sterilization mildew preventive provided by the embodiment of the invention is a stable, efficient and environment-friendly compound micro-emulsion type sterilization mildew preventive of slightly soluble fungicides including the DCOIT and the BIT, can be diluted randomly by water and is not separated out; respectiveadvantages of the DCOIT and the BIT in the aspects of sterilization, corrosion prevention and mildew prevention also can be sufficiently expressed; the DCOIT and BIT compound micro-emulsion type sterilization mildew preventive has high efficiency, low toxicity and high application value.

The invention discloses a 2,3-diaryl thiazolidinone compound shown in a structural formula (I), a hydrate and pharmaceutically acceptable salts thereof, and a pharmaceutical composition containing the compound, as well as the application of the compound in preparing drugs capable of treating related diseases caused by all kinds of pathological angiogenesis.

The invention discloses a method for enhancing vegetable protein meat flavor by adding sulfur-containing amino acid, and belongs to the technical field of food processing technologies. The invention provides a seasoning substance subjected to a Maillard reaction, and the seasoning substance is applied to flavor enhancement of vegetable protein meat, and the seasoning substance subjected to the Maillard reaction is added into raw materials for preparing the vegetable protein meat or the vegetable protein meat is pickled by adopting pickling liquid so that maillard reaction products such as 2-furylmethylmercaptan, a bis(2-methyl-3-furyl)disulfide heterocyclic compound, 2-acetyl-2 thiazoline, 2-acetyl-2 thiazoline, 2, 3-butanedione, 2-methyl-3-furanthiol and the like and sulfur-containing amino acid Strecker degradation products are remarkably increased, so that the prepared vegetable protein meat has the typical flavor of meat cooking, has the fragrance of meat when being eaten, and is low in cost and high in nutritional value.

Sustainable, free-flowing, cold-dispersible pearlescent concentrates are made without using any controversial or known toxic substance is disclosed herein. The pearlizing concentrates of the instant invention are free of alkyl sulphates / alkyl ether sulphates, alkanol amides, alkylamidopropyl betaines, and esters of ethylene glycol. The pearly concentrates of the present invention employ ‘super-mild’ surfactants to disperse vegetable plant derived 1,3-proane diol stearates. Also, these concentrates are preserved without any controversial antimicrobials such as parabens, isothiazolinones and formaldehyde releasers.

The invention provides a green method for preparing heterocyclic compounds from nitriles. The method is characterized in that nitriles and compounds such as o-aminophenol, aminothiophenol, beta-amino alcohol, beta-amino thioalcohol and the like are catalyzed by a non-transition metal catalyst to synthesize the heterocyclic compounds such as benzoxazole, benzothiazole, oxazoline, thiazoline and the like by one step. The method has the beneficial effects that the non-transition metal catalyst with low price, water solubility and low toxicity is used, inert gas shielding is not needed, and the reaction can be directly carried out in the air to obtain the target heterocyclic compounds; the reaction conditions are simple and mild, the reaction is easy to operate, and the problems of transitional hydrolysis of nitriles and generation of byproducts are avoided, so that the products are simple and easy to separate and purify and have high recovery rates; and the method has lower requirements for the reaction conditions, wide range of application and good research and industrial application prospects.