26 results about "ISODODECANE" patented technology

The invention discloses a waterproof long-lasting oil-control gel composition and a preparation method thereof, and belongs to the technical field of cosmetics. The composition comprises 4-6 parts of an oil absorption compound A, 9-13 parts of an oil absorption compound B and 70-95 parts of a gel matrix, wherein the oil absorption compound A is prepared from mesoporous silica and poloxamer 407, and the aperture of the oil absorption compound A is 5-10 nm; the oil absorption compound B is prepared from polymethyl methacrylate microspheres, isododecane and polyglycerol-3 diisostearate, and the pore diameter of the oil absorption compound B is 150 to 300 nm. According to the invention, through dual mechanisms of temperature response and volatilization driving, a dynamic gradient structure of bottom layer small aperture-surface layer large aperture is formed at skin temperature, and directional migration of grease is realized; meanwhile, the surface property transformation of the material after oil absorption is creatively utilized, a hydrophobic membrane is formed on the surface of the polymethyl methacrylate microsphere, a self-enhanced waterproof barrier is constructed, the unique effect that the more oil is absorbed, the more water is resisted is achieved, the problem of makeup removal caused by sebum and sweat can be effectively solved, and the makeup lasting time is remarkably prolonged.

The application relates to the technical field of cosmetics, in particular to a high-concealment makeup-maintaining air cushion and a preparation method thereof. A film forming agent in the high-concealment makeup-maintaining air cushion comprises the following: trimethylsiloxy silicate 5-7 parts, isododecane 0.3-0.7 parts, and acrylic acid (ester) / polymethyltrimethicone methacrylate copolymer 2-3 parts. A colorant comprises the following raw materials in parts by weight: titanium dioxide 5-7 parts, silica 0.8-1.2 parts, mica powder 5-7 parts, CI 77492 0.4-0.8 parts, aluminum hydroxide 0.8-1.2 parts, CI 77491 0.4-0.6 parts, triethoxyl octyl silane 0.8-1.2 parts, and CI 77499 0.3-0.5 parts. The particle size of the titanium dioxide at least comprises any two of 4 nm, 30-50 nm and 200-260 nm. The air cushion has the advantages of prolonging the makeup-maintaining time of the air cushion and improving the concealment effect.

The invention discloses silicone-oil-free makeup-keeping liquid foundation and a preparation process thereof. The liquid foundation is prepared from the following raw material components in parts by weight: 1-2% of an emulsifier, 49-56% of an emollient, 3-6% of a film-forming agent and 40-43% of powder, wherein the emollient is prepared from ethylhexyl palmitate, cetyl alcohol ethyl hexanoate, isododecane, isopropyl myristate and squalane; the prepared liquid foundation does not contain silicone oil, is free of physiological toxicity and irritation, good in air permeability and good in skin feeling, the smearing layering sense and continuity of the liquid foundation are improved, and the liquid foundation is easier to use and more comfortable.

Provided are methods of providing a cooling sensation to skin afflicted with eczema, the methods comprising topically applying to skin afflicted with eczema a composition comprising isododecane.

The invention discloses a preparation method of isohexadecane solvent naphtha, which comprises the following steps: treating a raw material isohexadecane mixture by a feed adsorption tank and a feed filter, feeding into a feed buffer tank, boosting by a hydrogenation feed pump, mixing with recycle hydrogen, exchanging heat with reaction generated oil, and feeding into a pre-hydrogenation reactor; a pre-hydrogenation reaction product is mixed with high-pressure circulating oil and circulating hydrogen, is subjected to heat exchange with reaction generated oil, is fed into a hydrofining reactor, is subjected to heat exchange, is cooled, and is fed into a high-pressure separator; the reaction generated oil and the hydrogenation generated oil at the bottom of the high-pressure separator are sent to a product separation tower after components are removed by a light component removal tower; the product separation tower is provided with a side stream stripping tower, isohexadecane solvent oil is extracted from the bottom of the side stream stripping tower, and byproducts such as isododecane solvent oil and isoeicosane solvent oil are extracted from the top and the bottom of the separation tower respectively. The method prolongs the service life of the catalyst and the operation cycle of the device, reduces the operation energy consumption of the device, reduces the carbon emission and saves the investment.

The invention discloses a composite film-forming agent as well as a preparation method and application thereof, and aims to provide a composite film-forming agent which can remarkably improve the fitting degree and tensile property of base makeup on the skin surface, enhance the glossiness of the makeup surface, improve the hydration degree of the skin, strengthen the moisturizing effect and form a layer of oleophylic makeup-holding film and a moisturizing film with enhanced hydrophilic capacity. Therefore, a dual film forming effect is achieved; according to the technical scheme, the cleaning agent comprises 4-14% of isododecane; the invention relates to a silicone sealant which is prepared from the following components in percentage by weight: 5 to 40 percent of trimethylsiloxane silicate, 5 to 40 percent of hydrogenated (styrene / methyl styrene) indene copolymer, 30 to 40 percent of cyclopentasiloxane (and) PEG / PPG-18 / 18 polydimethylsiloxane, 0 to 12 percent of polyvinyl pyrrolidone, 0 to 1 percent of polyquaternium-51 solution and 10 percent of water, wherein the sum of the components is 100 percent. The invention belongs to the technical field of cosmetics.

The application discloses a long-acting makeup holding foundation liquid, which comprises water, titanium dioxide, hydrogenated polydecene, isododecane, isohexadecane, dimethicone, caprylic acid / capric acid triglyceride, dipropylene glycol, silica, polyglyceryl-2 dipolyhydroxystearate, synthetic fluorphlogopite, polymethylsilsesquioxane, a film forming agent, magnesium sulfate, cetyl PEG / PPG-10 / 1 dimethicone, lithium montmorillonite, triethoxysilane, ethanol, dimethicone / vinyl dimethicone crosspolymer, alumina, dimethiconol, collagen, natural extract, a colorant, a moisturizing agent and trace additives. The long-acting makeup holding foundation liquid has reliable water supplementing and moisturizing and oil control effects, can selectively absorb and control oil, has reliable skin friendliness, can reliably protect makeup of oily skin, and avoids the problem of makeup removal caused by facial oil secretion.

To provide a non-aqueous hair composition that provides good manageability when drying hair and a moist feeling after drying, and a hair treatment method using the composition. [Solution] The non-aqueous hair composition contains (A) a kinematic viscosity at 37.8°C of 1.38 mm² or more by mass of 15% or more. 2 / s or more 13.0mm 2 The composition contains (B) hydrocarbons with an organic value of less than 500, (C) volatile acyclic silicones and / or isododecane, (D) highly polymerized methylpolysiloxanes and / or highly polymerized dimethiconol, and (A) compounds having ester bonds with an organic value of less than 500. The hair treatment method involves using the above non-aqueous hair composition.

To provide a non-aqueous hair composition that provides good manageability when drying hair and a soft, smooth feel after drying, and a hair treatment method using the composition. [Solution] The non-aqueous hair composition contains (A) a kinematic viscosity at 37.8°C of 1.38 mm² or more by mass of 15% or more. 2 / s or more 13.0mm 2 The composition contains (B) a hydrocarbon with a molecular weight of 0.50 or less, (C) a volatile acyclic silicone and / or isododecane, (D) a compound having an ester bond with an organic value of 350 to 520 and an inorganic value of 70 to 240, and the hair treatment method uses the above non-aqueous hair composition.

The invention discloses a protective coating for the surface of an electronic component and a preparation method thereof, and relates to the technical field of coatings. The coating is prepared from the following raw materials in parts by mass: 100 parts of epoxy modified acrylate copolymer, 8 to 9 parts of butyl acetate, 6 to 7 parts of propylene glycol methyl ether acetate, 6 to 7 parts of isododecane, 4 to 6 parts of modified boron nitride nanotube, 3 to 5 parts of synergist, 0.2 to 0.4 part of 2-methylimidazole, 0.1 to 0.3 part of defoaming agent, 0.2 to 0.4 part of flatting agent and 0.1 to 0.3 part of sterilizing agent. The epoxy modified acrylate copolymer, the modified boron nitride nanotube, the synergist and other components are introduced, so that the adhesive force, impact resistance, wear resistance, weather resistance, aging resistance, dielectric strength, volume resistivity and high-frequency signal adaptability of the protective coating are effectively improved while the weldability of a lead of an electronic component is not affected. Therefore, the method has a wider application prospect.

The present invention relates generally to methods and compositions suitable for the removal of cosmetics from skin. The cleansing composition is a two-phase composition comprising an aqueous phase comprising more than 90% by weight of water; and an oil phase comprising a combination of C9-12 alkane and coconut oil alcohol caprylate / coconut oil alcohol caprate, a combination of isododecane and half squalane, a combination of isododecane and octyl polymethylsiloxane, a combination of polydimethylsiloxane and C11-13 isoparaffin, or a combination of neopentyl glycol diheptanoate and isododecane, or any combination thereof.

The invention provides a preparation method of isododecane solvent oil. The preparation method comprises the following steps: 1) removing an oxygen-containing compound from isododecene through an adsorption tank; 2) reacting isododecene with hydrogen in the pre-hydrogenation reactor to remove alkadiene; 3) carrying out hydrodeoxygenation, olefin saturation, aromatic hydrocarbon saturation and other reactions in the hydrofining reactor; and 4) separating the reaction product to obtain a high-purity isododecane solvent naphtha product. The isoparaffin solvent oil obtained by the method is high in yield, high in isoparaffin content and high in isobranching degree. The content of aromatic hydrocarbon, sulfur and nitrogen compounds in the product is extremely low. By arranging the pre-hydrogenation reactor, the coking of the hydrofining reactor is effectively reduced; by arranging the circulating pump, the temperature difference in the reactor is effectively reduced; by arranging the reaction effluent / pre-hydrogenation reaction feeding heat exchanger and the reaction effluent / hydrofining reaction feeding heat exchanger, reaction heat is effectively utilized, arrangement of a reaction feeding heating furnace is omitted, and the operation energy consumption of the device is reduced.

A tray valve body for a light white oil separation isododecane distillation column is disclosed. The upper end of the insert tube (3) is fixedly connected to the inner opening of the ring plate (1). The inner opening of the ring plate is provided with multiple equally spaced slots (9). The upper end of the trumpet tube (7), which is smaller at the top and larger at the bottom, is fixedly connected to the lower end of the thin tube (5). Multiple equally spaced clamping plates (4) are provided on the lower outer edge of the thin tube. The clamping plates on the outer edge of the thin tube are clamped in the slots of the inner opening of the ring plate to form a valve body. Multiple installation ports (13) are uniformly provided on the tray A (11), and multiple installation ports are uniformly provided on the tray B (12). The distillation column body (10) is provided with multiple layers of staggered trays A and B from top to bottom. Each installation port of tray A and tray B is respectively clamped to the upper outer edge of the valve body insert tube. This disclosure realizes a gas-liquid mass transfer process of a set thickness by setting non-corresponding valve bodies on the tray.

This invention discloses a heat-remodeling, quick-drying, moisture-resistant setting spray and its preparation method. By weight, it comprises the following components: 25-35 parts ethanol, 15-25 parts isododecane, 0.5-2 parts water, 2-5 parts polyurethane-14 / AMP-acrylate copolymer, 2-5 parts trimethylsiloxysilicate, 1-5 parts VP / dimethylaminoethyl methacrylate copolymer, 3-8 parts cyclopentamethoxysiloxane, 2-5 parts diethylhexyl carbonate, 1-3 parts phenyl polytrimethylsiloxane, 0.2-1 parts vegetable oil, 0.1-0.8 parts tocopheryl acetate, and 0.3-1.5 parts panthenol. This heat-reshapeable, quick-drying, moisture-resistant hairspray utilizes an interpenetrating network formed by polyurethane-14 / AMP-acrylate copolymer and trimethylsiloxysilicate. The multiple components work together and influence each other, achieving multiple benefits simultaneously, including quick-drying, moisture resistance, long-lasting hold, heat-resistant drying, heat reshaping, and effective protection against heat damage. It simplifies user care steps, meets the needs of modern consumers for efficiency and convenience, and has excellent commercial value.

The invention relates to the technical field of cosmetics, in particular to a silicon-free cosmetic composition containing isododecane and hydrogenated polydecene and a preparation method of the silicon-free cosmetic composition. The oil-based antirust agent comprises the following components in percentage by weight: 2-10% of isododecane, 0.1-2% of hydrogenated polydecene, 20-70% of polyol, 1-7% of an emulsifier, 0.1-2% of an auxiliary agent, 5-50% of an oil base, 0.1-1% of a thickening agent, 0.1-1% of a preservative and the balance of water. By using the isododecane and the hydrogenated polydecene and regulating the content ratio of the isododecane and the hydrogenated polydecene, the effect of no whitening after smearing is achieved on the basis of not adding a silicon-containing compound, and the silicone oil pollution is effectively reduced.

This invention belongs to the field of cosmetic technology and discloses a preservative-free, all-in-one pure oil-based makeup composition and its preparation method. This invention uses a hydrogenated (styrene / isoprene) copolymer as a viscosity control agent, distearate dimethylammonium lithium montmorillonite as a thickener, and isododecane / isohexadecane with emollient properties as a solvent to obtain a thickened and stable pure oil system. Further formulation of this pure oil-based makeup film-forming agent reduces the amount of film-forming agent used, better meeting the needs of dry and sensitive skin for gentle, long-lasting makeup effects. Furthermore, the oil-control effect can be adjusted by adding powders, creating formulas suitable for dry and oily skin respectively; different skin textures can be achieved through the combination of oils; and sun protection and makeup are integrated through the addition of nourishing and sunscreen ingredients. In addition, the preservative-free system avoids the skin irritation or allergy risks that may be caused by traditional preservatives.

Embodiments of the present disclosure generally relate to cosmetic compositions, and more specifically, cosmetic foundation compositions and methods for applying such compositions to skin. In one or more embodiments, a cosmetic composition is provided and contains water, a hydrocarbon component, an emulsifier, dextrin isostearate, and a polycyclopentadiene composition. In some examples, the polycyclopentadiene composition contains a first polycyclopentadiene mixture containing a first hydrogenated polycyclopentadiene and squalene and a second polycyclopentadiene mixture containing a second hydrogenated poly cyclopentadiene and isododecane. In other examples, a weight ratio of the dextrin isostearate to the total polycyclopentadiene is in a range from about 1.1:1 to about 1.5:1 within the cosmetic composition. In other examples, the cosmetic composition is completely free of or substantially free of all silicones.

Various aspects disclosed relate to an antiperspirant composition. The antiperspirant composition includes an isododecane component; an alkyl benzoate component; and a neopentyl glycol diheptanoate component.

The present application relates to a kind of water-in-oil high-efficiency sunscreen cream and its preparation method and application, belong to daily chemical technical field.The water-in-oil high-efficiency sunscreen cream described in the present application includes 10-35% sunscreen agent, 2-8% film-forming synergist, 15-40% oil, 3-10% polyhydric alcohol, 0.1-4% plant extract, 2-8% emulsifier, 1-7% film-forming agent, 0-5% auxiliary material and the balance water;Film-forming synergist, the film-forming synergist includes isododecane, oxypentanedioic acid, lithium montmorillonite of distearyldimethylammonium, trimethylsilyl oxysilicate, sodium hyaluronate cross-linked polymer.The sunscreen cream described in the present application has good sunscreen effect.

The invention provides volatile punching and shearing oil applied to stainless steel part production and a preparation method of the volatile punching and shearing oil. The punching and shearing oil comprises the following components in percentage by mass: 70-80% of CTL base oil, 3-5% of fatty acid methyl ester, 10-15% of sulfurized isobutylene-chlorinated paraffin compound, 2-4% of benzotriazole, 1-2% of phosphate and 1-3% of isododecane-dimethyl carbonate-methylcyclohexane compound, and is prepared by the following steps: staged temperature-controlled stirring, mixing of the base oil at normal temperature, adding of an oily agent and an extreme pressure agent at medium temperature, and adding of other components at low temperature. Filtering to obtain a finished product. The stainless steel part punching shear has no residue in 24 h, the extreme pressure property reaches 800-1200 MPa, the rust resistance is larger than or equal to 7 days, and the stainless steel part punching shear is suitable for stainless steel part punching shear large-scale production.

The invention belongs to the technical field of catalysts, and particularly relates to a defect CeO2 modified Ni / ZSM-22 catalyst as well as a preparation method and application thereof. The catalyst comprises a ZSM-22 molecular sieve, and defect CeO2 and Ni nanoparticles loaded on the surface of the ZSM-22 molecular sieve. In the n-dodecane hydroisomerization reaction, the defect site of the defect CeO2 can preferentially anchor the Ni nanoparticles to form a firm Ni-CeOx interface, the particle size of the Ni nanoparticles is reduced, the n-dodecane conversion rate is remarkably increased, and the service life of the catalyst is remarkably prolonged. Defective CeO2 has adjustable surface acidity, Lewis acid sites can be generated at Ni-CeOx interfaces, n-dodecane is dehydrogenated at exposed Ni sites to generate olefins, isomerization reaction is carried out on adjacent Ni-CeOx interface acid sites, the olefins are prevented from diffusing to strong Bronsted acid sites of the ZSM-22 molecular sieve to carry out deep cracking, and the yield of isododecane is improved.

The invention belongs to the technical field of coating compositions, and relates to a waterproof clothing coating and a preparation method thereof. The invention provides a waterproof clothing coating, the waterproof clothing coating is formed by coating, drying and cooling a waterproof composite emulsion, the waterproof composite emulsion is formed by mixing and emulsifying a water phase and an oil phase, and the water phase is composed of a pretreated fluorocarbon-silane composite dispersion liquid, ethylene glycol and 1, 2-propylene glycol; the oil phase is prepared from an acrylate-organosilicon copolymer, isododecane, isopropyl myristate, hydrogenated polydecene and microcrystalline wax. The waterproof clothing coating provided by the invention realizes synchronous improvement of waterproofness and stability.

The invention relates to the technical field of organic synthesis, in particular to a preparation method of tertiary butylperoxy-2-ethylhexyl carbonate with high active oxygen content. The invention overcomes the problems of low active oxygen content and low yield of the product in the prior art. The preparation method comprises the following steps: firstly, carrying out inclusion stabilization on tert-butyl hydroperoxide by using methyl-beta-cyclodextrin to construct a premixed solution; then introducing a modified catalyst into a composite solvent environment composed of isododecane and hydrofluoroether, and dropwise adding chloroformic acid-2-ethylhexyl ester through a low-temperature high-shear process to complete the reaction; and finally, carrying out solid-phase adsorption impurity removal by utilizing the modified hydrotalcite, and distilling to obtain the tert-butylperoxy-2-ethylhexyl carbonate. According to the method, interface heat and mass transfer is improved through the composite solvent, the reaction rate is increased through high-activity sites of the modified catalyst, anhydrous deacidification and dechlorination are achieved in cooperation with the modified hydrotalcite, raw material hydrolysis and peroxide bond thermal decomposition are effectively inhibited through the synergistic process, and the method has excellent industrial application value.

The present patent of invention belongs to the technical field of cosmetics and / or similar preparations characterised by their composition, and more specifically presents a cosmetic composition for long-lasting, non-sticky matte liquid lipstick and the respective process for obtaining same. The composition is essentially composed of specific proportions of isododecane and hexyl / succinyl dimethicone crosspolymer, inter alia.

A body milk for improved skin moisturization comprises hyaluronic acid and / or salts thereof, diisostearoyl polyglyceryl-3 dimer dilinoleate, polyglyceryl-4 diisostearate / polyhydroxystearate / sebacate, tocopherol, and one or more lipids selected from isopropyl palmitate, isododecane, almond oil (Prunus amygdalus dulcis oil), sunflower oil (Helianthus annuus seed oil), coco-caprylate / caprate, Butyrospermum parkii butter. The preparation is free of BHT.