30 results about "Undecylenates" patented technology

The invention discloses a preparation method of undecylene amido propyl betaine modified diatomite. The method is characterized in that after diatomite is treated with 2 mol / L HCL, pretreated diatomite is obtained; the pretreated diatomite is subjected to organic modification by using absolute ethyl alcohol and (3-chloropropyl)trimethoxysilane; then 45%-55% of deionized water and 8%-18% of undecylene amido propyl betaine are added to a reactor in percentage by mass, the mixture is stirred for dissolution, then 28%-38% of organic diatomite is added, the mixture is evenly mixed, 5%-8% of hydrogen peroxide with the mass percentage concentration of 30% is added, the sum of percentages of all components is 100%, the mixture is stirred at the constant temperature of 65 plus / minus 2 DEG C for a reflux reaction for 4-6 h, solid-liquid separation is performed after cooling, separated solids are washed with deionized water until the filtrate is neutral, filtration and drying are performed, and the undecylene amido propyl betaine modified diatomite is obtained. The adsorbent has very high adsorption capacity for oil, has excellent physical and mechanical properties and high regeneration capacity, and capable of being reused, low in cost and environment-friendly.

The invention provides an antibacterial mite-proofing finishing agent and a preparation method thereof. The finishing agent is prepared from antibacterial mite-proofing microcapsules, a dispersing agent, an emulsifying agent, an adhesive, a crosslinking agent and water, wherein the core of each antibacterial mite-proofing microcapsule comprises neem oil, glyceryl undecylenate and base oil. The preparation method comprises the following steps: mixing the antibacterial mite-proofing microcapsules, emulsifying agent, adhesive, crosslinking agent and water; and uniformly stirring and mixing under 1000-1500rpm. According to the antibacterial mite-proofing microcapsules prepared by mixing the antibacterial mite-proofing finishing agent, the durability of the antibacterial mite-proofing effect can be improved, the anti-weather stability of azadirachtin and glyceryl undecylenate can be guaranteed, and the antibacterial mite-proofing effect is ensured; and the antibacterial mite-proofing finishing agent is prevented from directly contacting human skin, and the safety level is promoted.

Water-soluble and water dispersible undecylenic amido propyl dimethyl hydroxyl ethoxy ethyl ammonium undecylenate compounds of formula I having anti-dandruff, preservative and sunscreen activity wherein R1, R2 are from C1-C6 carbon atoms, R3 is undecylenic acid, amino group is selected from dimethyl amino propyl amine. Personal care compositions comprising compounds of formula I

Absorbent articles comprising one or more complexed or encapsulated compounds compounds selected from: melonal, adoxal, trans-2-hexenal, ligustral, Floral Super, Florhydral, 5-methyl-2-thiophene-carboxaldehyde, hydratropic aldehyde, undecenal, 9-undecenal, 10-undecenal, trans-4-decenal, cis-6-nonenal, isocyclocitral, precyclemone b, (E)-2,(z)-6-nonadienal, undecyl aldehyde, methyl-octyl-acetaldehyde, Lauric aldehyde, silvial, vanillin, floralozone; are particularly effective in reducing malodors coming from degradation of proteinaceous materials such as food, menses or feces.

The invention provides a method for preparing water-borne construction thermal-insulation heat-preservation exterior wall coating. The method comprises the following steps: mixing natural sand, crushed crude pearlite, sepiolite and nano-pore silica aerogel, stirring, adding sodium silicate, and dispersing at a high speed to obtain mixed powder; mixing ceramic fibers, aluminum silicate fibers, a polycarboxylate dispersing agent and silica sol, stirring, adding a polyurethane adhesive, dispersing at a low speed, and aging to obtain an adhesive liquid; then, adding the mixed powder into the adhesive liquid under a stirring state, adding water-borne alkyd resin, a thickening agent, cellulose, amino resin and glyceryl undecylenate, and dispersing at a low speed to obtain slurry; and finally, adding silicon tripolyphosphate into the prepared slurry, dispersing at a low speed, and grinding. The water-borne construction thermal-insulation heat-preservation exterior wall coating has the advantages of excellent washing resistance, stain resistance, artificial weather aging resistance and thermal-insulation heat-preservation property.

The invention discloses a method for preparing an alpha-acyloxy ketone compound. According to the invention, simple and easily available alcohol and carboxylic acid are taken as the raw materials, under mediation of NBS(N-bromo-succinimide) and DBU(1,8-diazabicyclo(5.4.0)undec-7-alkene), the alpha-acyloxy ketone is prepared by a one-pot reaction. The method has the advantages of mild reaction condition, simple and easily available raw materials, wide substrate adaptation scope, no requirement of rigorous reaction conditions such as any metal catalyst, peroxy compounds, low or high temperature and water-free and oxygen-free conditions, metal pollution is avoided; and the method also has the advantages of stable technical condition, simple and safe operation, and easy purifying of the product.

The present invention relates to a skin preparation composition for external use having excellent antiseptic ability without using chemical antiseptics. More particularly, the present invention relates to a skin preparation composition for external use, comprising: glyceryl undecylenate having excellent antiseptic ability; and one or more mixtures of ethylhexylglycerin, glyceryl caprylate, p-anisic acid and a citrus mixed extract, thus improving antiseptic ability through the increased effects of antiseptic abilities of those materials.

The invention belongs to the technical field of pour point depressants and particularly relates to an aromatic ternary polymer diesel pour point depressant and a preparation method thereof. The pour point depressant is a tetradecyl methacrylate-long-chain alkyl maleimide-benzyl undecylenate ternary polymer which is prepared by the steps of polymerizing three monomers: tetradecyl methacrylate, maleic anhydride and benzyl undecylenate; and then performing an amination reaction with fatty amine. The synthetic method provided by the invention is simple and the raw materials are cheap and easily available; the aromatic ternary polymer diesel pour point depressant has the advantages of being stable in performance, effectively improving the condensation point and the cold filter plugging point of diesel, being small in additive dosage and good in pour point depression effect, etc.

Optically isotropic, thermodynamically and chemically stable microemulsions of antimicrobials comprising of mixtures of N-undecylenoyl glycine, N-capryloyl glycine and 2-phenoxy ethanol for preservation of personal care products are described herein. They offer a broad spectrum of antimicrobial activity by inhibiting the growth of bacteria as well as fungi that can otherwise flourish in personal care products rendering them unsuitable for the use. The personal care products that can be preserved by these microemulsions of antimicrobials are, gels, serums, solutions, lotions, creams, emulsions, wet wipes and the like, containing water in varying amount.

The invention belongs to the field of daily chemicals, and relates to an anti-dandruff shampoo composition and a preparation method and application thereof. The anti-dandruff shampoo composition provided by the invention comprises the following components: PCA sodium, nicotinamide, and undecylenyl hydrolyzed wheat protein potassium. The invention also provides the preparation method of the scalp care composition, and an application of the scalp care composition in cosmetics. According to the composition disclosed by the invention, the milder anti-dandruff agent undecylenyl hydrolyzed wheat protein potassium is selected to inhibit malassezia, meanwhile, the powerful humectant PCA sodium is matched to prevent scalp dryness, and further nicotinamide is compounded to repair a scalp barrier torestore the scalp to a healthy state, so that better anti-dandruff effects are achieved.

The invention relates to a polyurethane embossment fireproof door. The polyurethane embossment fireproof door comprises a door leaf and a door frame; the door leaf is provided with a polyurethane embossment; the polyurethane embossment is formed by following components of polyether polyol, 0.15 to 0.5 part of 1,8-Diazabicyclo(5.4.0)undec-7-ene, 0.1 to 0.12 part of pentamethyldiethylenetriamine, 0.1 to 0.12 part of tetramethylethylenediamine, 8 to 12 parts of tris phosphate, 8 to 9 parts of melamine, 6 to 8 parts of microencapsulated red phosphorus flame retardants, 1.5 to 1.8 parts of silicone oil, 0.2 to 0.4 part of water and 115 to 125 parts of polymeric phenyl methane-diisocyanate. The invention also provides a production method of the polyurethane embossment fireproof door. The production method comprises the following steps of step a, mold pretreatment; step b, embossment production; step c, after-treatment. The polyurethane embossment fireproof door is good in fireproof performance and excellent in sound insulation effect and the production process is simple and easy to operate.

The invention brings forward a foundation and concealer BB cream and a preparation method thereof, and belongs to the technical field of cosmetics. The foundation and concealer BB cream is mainly prepared by mixing the following raw materials (by weight): 33-36 parts of squalane, 4-7 parts of grape seed oil, 11-15 parts of cyclopentasiloxane, 5-7 parts of phenyl trimethicone, 8-11 parts of titanium dioxide, 2-4 parts of butyrospermum parkii oil, 8-10 parts of beeswax, 5-7 parts of polydimethylsiloxane / vinyl polydimethylsiloxane cross-linked polymer, 1-2 parts of iron oxide, 1-1.8 parts of zinc oxide, 2-3 parts of boron nitride, 4-6 parts of microcrystalline wax, 0.3-0.5 part of tranexamic acid, 0.5-1 part of glyceryl undecylenate and 0.3-0.5 part of phenoxyethanol. The foundation and concealer BB cream is less irritating to the skin, has sun-screen, repairing and concealing effects, and has high safety.

The present invention relates to a skin preparation composition for external use having excellent antiseptic ability without using chemical antiseptics. More particularly, the present invention relates to a skin preparation composition for external use, comprising: glyceryl undecylenate having excellent antiseptic ability; and one or more mixtures of ethylhexylglycerin, glyceryl caprylate, p-anisic acid and a citrus mixed extract, thus improving antiseptic ability through the increased effects of antiseptic abilities of those materials.

The invention relates to a preparation method and application of a molecular motor containing an oxidized benzofuran structure, and belongs to the technical field of organic chemistry. A first motor takes 3-methyl-2,3-dihydrophenanthren-4(1H)-one and 2-coumaranone as raw materials, a second motor takes 3-methyl-2,3-dihydrophenanthren-4(1H)-one and naphtho[1,2-b]furan-2(3H)-one as raw materials, a third motor takes 3-methyl-2,3-dihydrophenanthren-4(1H)-one and 6-isopropylbenzofuran-2(3H)-one as raw materials, in the presence of titanium tetrachloride and 1,8-diazabicyclo[5.4.0]undec-7-ene and in an anhydrous tetrahydrofuran solvent, nucleophilic addition reaction is performed to prepare the molecular motor containing the oxidized benzofuran structure. The method has the advantages of mild reaction conditions, no need of adding strong acid and strong alkali, low requirements on equipment and reduction of the operation cost; few three wastes are generated in the reaction process, and the environmental pollution degree is low; and the obtained product motor is novel in structure and has potential application value in the field of molecular devices.

The invention relates to wet dressing and a preparation method thereof and belongs to the technical field of chemistry. The method for preparing the wet dressing, disclosed by the invention, comprises the steps of mixing star-like hydrophilic polyurethane and a foaming component and then carrying out foaming, thereby obtaining the wet dressing, wherein the foaming component comprises a foaming agent, a solvent, an interfacial agent, polyamine and a catalyst, the foaming agent comprises sodium bicarbonate, calcium carbonate and / or magnesium carbonate, the interfacial agent comprises polydimethylsiloxane, polyoxyalkylene and / or a polydimethylsiloxane-polyoxyalkylene copolymer, the polyamine comprises 1,2-ethylenediamine, 1,4-butanediamine, 1,6-hexamethylenediamine, triethylene tetramine and / or polyether diamine, and the catalyst comprises zinc isoocatanoate, triethylene diamine, dimethyl cyclohexylamine, dimethylethanolamine, triethylamine, 1,8-diazabicyclo[5.4.0]undec-7-ene and / or pentamethyl diethylene triamine.

The invention discloses efficient moisturizing hand cream and a preparation method thereof. The hand cream prepared with the method has an excellent moisturizing effect and can fundamentally improve the moisturizing function of skin. The preparation method comprises steps as follows: 1) loofah sponge is subjected to thermal treatment in an alkaline solution, then washed, dried and crushed, and loofah sponge powder is prepared; 2) phenoxyethanol, glyceryl undecylenate, chlorphenesin, ethylene glycol, o-cymen-5-ol, glycerol tristearate and bee wax are mixed and subjected to thermal treatment, an oil phase is prepared, glycerin, the loofah sponge powder, vitamin C, agar and water are heated, and a water phase is prepared; 3) in the presence of ultrasonic waves, the oil phase and the water phase are mixed, and the efficient moisturizing hand cream is prepared. Besides, the preparation method has the advantages that the procedure is simple and raw materials are easy to obtain.

The invention provides a flow pattern regulator for a water-based drilling fluid. The flow pattern regulator is prepared by carrying out polymerization reaction on the following raw materials: 10-40% of a first monomer, 40-70% of a second monomer, 10-40% of a third monomer and 0.5-3% of a fourth monomer, wherein the first monomer is acrylamide, the second monomer is acrylic acid or sodium 2-acrylamido-2-methylpropanesulfonate, the third monomer is N-vinyl pyrrolidone, and the fourth monomer is sodium undecylenate, 1-undecylenamide, octadecyl dimethyl allyl ammonium chloride, 2-acrylamido hexadecyl sulfonic acid or divinyl benzene. The invention also provides a preparation method of the flow pattern regulator for the water-based drilling fluid. The preparation method comprises the following steps: preparing a reaction system, carrying out polymerization reaction, drying and crushing. The flow pattern regulator for the water-based drilling fluid has the advantages of temperature resistance and salt tolerance.

The invention discloses a preparation method of a [1, 2, 4]benzothiophene compound. The preparation method comprises the following steps: preparing; the catalyst is prepared from a 2-hydroxycinnamaldehyde compound as shown in a formula (I), a halogenated benzene compound as shown in a formula (II) and elemental sulfur as shown in a formula (III), the coumarin[3, 4]benzothiophene compound is prepared by taking coumarin as a raw material, iron bromide (FeBr3) as a catalyst, an ethanol aqueous solution (H2O-EtOH=1:1) as a solvent and 1, 8-diazabicyclo undec-7-ene (DBU) as an alkali through sufficient reaction and carrying out aftertreatment on a product. The method has the advantages of high catalytic efficiency, low substrate cost, non-toxic and low-cost solvent, low equipment requirement, excellent yield and the like.

The invention discloses a method for preparing a coumarin fluorescent agent through copper acetate catalysis. A substrate, namely 3,4,5-trihexaalkoxy methylbenzene, shown in a formula (I) and a coumarin compound shown in a formula (II) react in a reaction medium taking a 1,4-dioxane as a solvent under the effect of copper acetate as a catalyst and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), a targetproduct is prepared, and the coumarin fluorescent agent is prepared through post-treatment of the target product; and X in the formula (II) and X in a formula (III) are selected from one of oxygen, nitrogen and hydrogen. Raw materials are simple, convenient and easy to obtain, and the synthetic condition is mild; chemical selectivity is high and controllable; the reaction is conducted at the normal pressure and the mild temperature; the copper acetate serves as the catalyst, and is cheap and low in toxicity, the cost is saved, and the requirements for equipment are low; the adopted solvent, namely 1,4-dioxane, is inter-miscible with water, and post-treatment is convenient; and a catalysis system is wide in adaptability, and the obtain product has wide application in the field of preparation of fluorescent agents.

The invention discloses a preparation method and an application of C60C(COOH)2 / ZnO / Fe3O4 ternary composites and belongs to the technical field of synthesis of inorganic materials. The method comprisesspecific steps as follows: C60C(COOH)2 is synthesized from diethyl bromomalonate, 1,8-diazabicyclo[5.4.0]undec-7-ene and sodium hydride react with fullerene to synthesize C60C(COOH)2, different quantities of C60C(COOH)2 and a ZnO / Fe3O4 material which is prepared with a solvothermal method and having a core-shell structure are composited, and ternary semiconductor / carbon material heterojunction materials with different contents are prepared. The composites sufficiently have a synergistic effect of a non-toxic and low-cost wide bandgap semiconductor ZnO material with high conductivity and goodstability and a fullerene derivative with large specific surface area and capable of effectively inhibiting the composite ratio of photo-induced electrons and holes and have good catalytic activity for photocatalytic degradation of organic dye rhodamine B.

The invention relates to the field of oral cavity and tooth cleaning, in particular to allergy free tooth-tonifying tooth paste for children. The toothpaste is prepared from honey, glycerinum, sorbitol, xanthan gum, cellulose gum, pearl powder, silica hydrate, glyceryl undecylenate, glycerol caprylate, C14-16 olefin sodium sulfonate, titanium dioxide, concentrated traditional Chinese medicine powder, lactic acid, glabridin, tea polyphenol and water, wherein traditional Chinese medicinal raw materials of the concentrated traditional Chinese medicine powder comprise tobacco ends, chrysanthemum,conical redpepper fruits, Evodia lepta and durian peels. The allergy free tooth-tonifying tooth paste for children prepared by the method has the allergy free effect, can be used by children allergicto honey products, has a tooth-tonifying effect and is safe in composition. Even if the toothpaste is mistakenly swallowed by children, no harm is caused, so that honey is popularized and applied favorably, and the toothpaste has a positive effect for protecting teeth.

The invention relates to the field of epoxy resin compositions, and discloses an epoxy resin composition and application thereof, an epoxy resin forming material and a preparation method and application thereof. The composition comprises 13 to 15 wt% of epoxy resin, 5 to 6 wt% of phenolic resin, 70 to 78 wt% of an inorganic filler, 0.5 to 1 wt% of a release agent, 0.5 to 1 wt% of a silane coupling agent and 0.12 to 0.3 wt% of a curing accelerator. The curing agent accelerator comprises a first curing accelerator and optionally a second curing accelerator; the first curing accelerator is 2-phenyl-4-methylimidazole, and the second curing accelerator is selected from 1, 8-diazabicyclo (5, 4, 0) undecylene-7 and / or 2-methylimidazole. The composition comprises a specific type of curing accelerator, so that the epoxy resin product prepared from the composition has high mechanical property, high glass transition temperature and excellent flowability, and the composition has low cost.

The invention discloses a special flushing fluid for pets and a preparation method thereof. The flushing fluid comprises the following components by concentration of 120-180 mmol / L of sodium ions, 5-15 mmol / L of potassium ions, 0.5-3 mmol / L of magnesium ions, 1-5 mmol / L of calcium ions, 10-40 mmol / L of acetate ions, 1-10 mmol / L of citrate ions, 1-10 mmol / L of EDTA (Ethylene Diamine Tetraacetic Acid) ions, 0.05-0.15 wt% of polyhexamethylene biguanide salt, and 0.05-0.15 wt% of undecylenamide propyl betaine. The pH value of the special flushing fluid for pets is 6.8-8.0, and the osmotic pressure value of the special flushing fluid for pets is 260-350mOsm / kg. The components in the ratio have the functions of maintaining cell osmotic pressure and regulating the pH value balance of cell sap and the antibacterial function, promote the growth of pet wound cells and are beneficial to rapid healing of surgical wounds.

The invention discloses a method for synthesizing a cis / trans [2,4-dioxa-8-azaspiro[5.5]undec-9-ene compound. According to the method, the cis / trans [2,4-dioxa-8-azaspiro[5.5]undec-9-ene compound is obtained through one-step reaction of a compound represented by a formula 1, a compound represented by a formula 2 and dimethyl butynedicarboxylate in the presence of anhydrous magnesium sulfate by taking dichloromethane as a solvent. The target molecule has important application value in the fields of medicine, pesticide, life science and the like. According to the method, the used raw materials are easy to obtain, a transition metal catalyst is not needed, the operation is simple and convenient, and an efficient, economical and applicable method is provided for synthesizing the cis / trans [2,4-dioxa-8-azaspiro[5.5]undec-9-ene compound.

The invention relates to a waterborne polyurethane adhesive and a preparation method thereof. The waterborne polyurethane adhesive is prepared from, by weight, 25-30 parts of polytetrahydrofuran ether glycol, 8-15 parts of isophorone diisocyanate, 0.8-1.2 parts of 1, 4-butanediol, 1-2 parts of dimethylolpropionic acid, 1-1.5 parts of triethylamine, 0.2-0.5 part of ethidene diamine, 10-15 parts of diethyl formamide, 5-7 parts of undecylenamide, 2-3 parts of pentaerythritol tetramercaptoacetate, 0.2-0.3 part of a cross-linking agent and 50-60 parts of deionized water. The invention relates to a preparation method of a waterborne polyurethane adhesive. The preparation method comprises the following steps of preparing matrix polyurethane, and mixing the matrix polyurethane with a cross-linked product of undecylenamide and pentaerythritol tetramercaptoacetate. Linear straight-chain undecylenamide and pentaerythritol tetramercaptoacetate are subjected to a crosslinking reaction to form a compact winding structure to obtain a tough net-shaped cross-linked substance, and the tough net-shaped cross-linked substance is further mixed with matrix polyurethane, so that the trend of promoting strain-induced crystallization is achieved, and better initial viscosity and mechanical properties are obtained.

The invention discloses a method for synthesizing tricyclic skeleton 2-pyridone and 2-pyridine imine compounds, which belongs to the technical field of chemical synthesis. The method comprises the steps that one molecule of DBN (1, 5-diazabicyclo [4.3.0] nonyl-5-ene) or DBU (1, 8-diazabicyclo [5.4.0] undec-7-ene) and one molecule of activated olefin, such asaryl methylene malononitrile and 2-cyano-3-aryl acrylate, are cyclized at room temperature or under a heating condition to form new carbon-carbon and nitrogen-carbon bonds, and the new carbon-carbon and nitrogen-carbon bonds areoxidized by another molecule of activated olefin to generate tricyclic skeleton 2-pyridone and 2-pyridine imine compounds. The operation is simple, the raw materials are easy to obtain, the conditions are mild, no catalyst is needed, the product is easy to separate and purify, the reaction yield is high, and the synthesis method is a great breakthrough of previous reactions and is expected to realize large-scale industrial production.