124 results about "Decamethylcyclopentasiloxane" patented technology

The present invention relates to a composition used as a vehicle for percutaneous absorption of Pharmaceutical and Cosmaceutical active agents that comprises Dimethiconol (hydroxyl-terminated polydimethydimethylsiloxane), dimethicone-350 (polydimethylsiloxane-350), cyclomethicone-5 nf (decamethylcyclopentasiloxane), alkymeth siloxane copolyol-lauryl peg/ppg 18/18 methicone (alkymethyl siloxane copolyol), cyclopentasiloxane and dimethicone Crosspolymer (silicone elastomer and decamethylcyclopentasiloxane), stearoxytrimethylsilane and stearyl alcohol (silicone wax), and deionized water. This composition serves several key applications: (1) it is a vehicle for percutaneous absorption of Pharmaceutical and Cosmaceutical active agents; (2) it acts as a method for utilizing other compositions in the treatment of inflammatory conditions of the skin including, but by no means limited to, atopic dermatitis (eczema), allergic contact dermatitis, seborrheic dermatitits, psoriasis, xerosis and atopia; (3) it is a treatment of inflammatory conditions of mucosae; (4) it relates to other compositions and methods for protecting and enhancing the barrier function of the skin.

A cosmetic, comprising a polymer (A) which comprises a repeating unit represented by the following formula (1), a repeating unit represented by the following formula (2) and a repeating unit represented by the following formula (3), said polymer (A) containing the repeating unit represented by the formula (3) in an amount of from 30 to 90 mass %, based on a total mass of the polymer (A), and being soluble in decamethylcyclopentasiloxane,

wherein R is a hydrogen atom or a methyl group, X¹ is —COOR¹, a phenyl group or an organic group represented by the following formula (4):

—COO(C_aH_2aO)_b−R²   (4)

X² is an organic group represented by the following formula (5):

X³ is a C6-10 divalent aryl group or —C(═O)OR⁴—, and A is an organopolysiloxane residue represented by the following formula (6):

The invention discloses a dyeing process of a pure cotton fabric, which comprises the following steps: a. taking one mass part of pure cotton fabric to be dyed; b. grinding a powdery reactive dye occupying 2-8% of the total mass of the fabric in a ball grinding mill for 2h, adding ethanol and grinding for 1h, wherein the mass of ethanol is nine times of that of the powdery reactive dye; c. adding decamethylcyclopentasiloxane, high-speed cutting for 5min at a rotating speed of 600r/min, and preparing a powdery reactive dye/decamethylcyclopentasiloxane suspension system, wherein the mass of the decamethylcyclopentasiloxane is 50 times of the total mass of the fabric; d. pretreating the pure cotton fabric to be dyed in an alkali solution of 1-130g/L so as to enable the pure cotton fabric tofully swell, and controlling the fabric liquid carrying rate to be 100-220% through a rolling machine; and e. immersing the treated fabric into the powdery reactive dye/decamethylcyclopentasiloxane suspension system, dyeing for 40min at normal temperature, slowly rising the temperature to 70-110 DEG C within 15min, fixing color for 10-60 min at the temperature of 70-110 DEG C, and finally reducing the temperature to the normal temperature to finish dyeing. The dyeing process disclosed by the invention has the advantages of high dyeing fixation rate, environmental-protection and no pollution.

The invention provides a BB cream having a long-acting moisturizing function. The BB cream consists following components: decamethylcyclopentasiloxane, isotridecyl isononanoate, ultrafine silicon processed titanium dioxide, nano silicon processed titanium dioxide, PEG-9 polydimenthylsiloxyethyl dimethicone, phenyl trimethicone, polydimethylsiloxane, PEG-10 polydimethylsiloxane, decamethylcyclopentasiloxane (and) polydimethylsiloxane/vinyl polydimethylsiloxane crosslinking polymer (and) polydimethylsiloxane, decamethylcyclopentasiloxane/disteardimonium hectorite/Propylene carbonate and the like. The invention also provides a preparation method of the BB cream. The BB cream is fine and smooth in skin feel, is light and weight and is air-penetrating, has a moisturizing function which can last for 8 hours, can significantly increasing moisture content in skin cuticle and can achieve long-acting moisturization without makeup floating.

The invention provides a reactive dye ecological dyeing method of silk fabrics, which comprises the following steps of: (1) even dyeing: using reactive dye and decamethyl cyclopenta siloxane (D5) according to the mass ratio of 1:10 to 50 to prepare a reactive dye/D5 suspending dispersed liquid; padding the silk fabrics in 30 to 90 g/l of sodium bicarbonate solution; and dyeing the silk fabrics in the reactive dye/D5 suspending dispersed liquid with the rolling liquid rate of 160 to 200% at room temperature for 25 to 35 minutes, wherein the rolling liquid rate is used for ensuring even dyeing of the silk fabrics; and (2) color fixing: heating a mixture system obtained from the step (1) to 40 to 50 DEG C, and keeping the temperature for 20 to 30 minutes; then heating to 70 to 90 DEG C, and keeping the temperature for 20 to 30 minutes; and taking the silk fabrics out, and performing soap boiling. In the process of dyeing provided by the invention, an electrolyte is not added for dyeing acceleration, the dyeing rate of the dye is close to 100%, the fixing rate is higher than that of traditional bath dyeing, and the fastness of the fabrics is good after dyeing. Because the electrolyte is not needed for dyeing acceleration, the burden of treating dyeing waste water is effectively reduced, and the ecological environment is protected.

The invention discloses a disperse dye thermosol dyeing method taking decamethylcyclopentasiloxane (D5) as a medium. The method comprises the following steps: (1) pretreating polyester fabric; (2) adding a certain amount of pure disperse dyes into a dyeing medium D5, controlling the amount of the dyeing medium D5, so that a ratio of the weight of a to-be-dyed fabric to the weight of the medium D5 is 1:10 to 1:30, dyeing in a dyeing machine, heating the system to 90-100 DEG C, preserving the temperature for 5-10 minutes, heating to the temperature of 180-200 DEG C, and performing thermosol fixation, wherein the fixation time is 10-30 minutes; and (3) performing reduction clearing on the dyed fabric according to a GB2394-80 method after dyeing. According to the method, non-aqueous medium dyeing is adopted, lots of water resources are saved, the thermosol temperature can be obtained under normal pressure, the conventional dyeing equipment can be adopted, the operation is simple, pure disperse dyes are adopted for dyeing, lots of dispersing aids are saved, the utilization rate of the dyes is improved, wastewater emission is reduced, and ecological environment protection is facilitated.

The invention provides a sun-blocking and moisturizing composition and a preparation method thereof. The composition is composed of following components including, by weight, 4-6% of propylene glycol laurate/ethyecellulose/propylene glycol isostearate, 1-2% of shea butter, 0.2-0.3% of tocopheryl acetate, 2% of ethylhexyl methoxycinnamate, 2.5% of butyl methoxydibenzoylmethane, 3-4% of isononyl isononanoate, 2% of decamethylcyclopentasiloxane, 1% of polydimethylsiloxane, 0.3-0.4% of an acrylic acid (ester)/C10-30 alkanolacrylate crosslinking polymer, 0.1% of xanthan gum, 0.02% of disodium EDTA, 0.02% of sodium hyaluronate, 3-4% of butanediol, 3-4% of glycerin, 3% of glyceryl polyether-26, 0.15-0.2% of an aminomethyl propanol/water premixed substance, 3% of water/butanediol/purslane extract, 0.5% of a bacteriostatic agent, 2% of a water/glycerin/phenoxyethanol/[beta]-glucan premixed substance and the balance deionized water. The sun-blocking and moisturizing composition is suitable for sensitive skin, has a touching-melt texture, can form a compact and soft residual film on a skin surface and enable active components to be absorbed better by the skin.

The present invention includes an anti-sweat lotion specifically designed for use by people suffering from hyperhidroses. In a preferred embodiment, the lotion of the present invention is a composition of the follow ingredients:a. denatured ethyl alcohol;b. hydrophobic silica;c. a monoethyl ester of the copolymer of methyl vinyl ether and maleic anhydride;d. iso-octahexacontane;e. octamethylcyclotetrasiloxane; and,f. hydroxypropylcelluose.In another preferred embodiment, the octamethylcyclotetrasiloxane is replaced by decamethylcyclopentasiloxane.

The invention discloses a one-time deep dyeing method for a cotton fiber employing an indigo dye. The method is a process of finishing dyeing of the cotton fiber with the indigo dye in a non-aqueous medium of decamethyl cyclopentasiloxane (D5). The method comprises the following steps: (1) refining, washing and dewatering the cotton fiber, and controlling the final take-up rate for dyeing; (2) preparing a high-concentration indigo leuco body; (3) firstly, adding a proper amount of high-concentration indigo leuco body to the D5 to prepare a dye liquor, and then putting the cotton fiber with certain take-up rate into a non-aqueous dye liquor for dyeing; and 4) after dyeing, carrying out oxidation treatment, and then carrying out soap boiling to remove the surface floating color. The cotton fiber is dyed in the D5 by the indigo dye; oxidation of the indigo leuco body in the dyeing process and invalid decomposition of sodium hydrosulfite can be effectively suppressed; the one-time deep dyeing effect is reached; the dyeing procedure is greatly simplified; the dyeing time is shortened; the work efficiency is improved; the cost is saved; and dyeing wastewater emission is significantly reduced.

The invention provides a silky soft skin feeling type essence liquid foundation. The silky soft skin feeling type essence liquid foundation comprises the following components: decamethylcyclopentasiloxane, polydimethylsiloxane, a vinyl polydimethylsiloxane/polymethylsiloxane silsesquioxane cross-linked polymer, ultrafine silicon treated titanium dioxide, nano silicon treated zinc oxide dispersed slurry, octyl 4-methoxycinnamate, 2,2,4,4,6-pentamethylheptane, ethanol, trimethylphenylsilane, disteardimonium hectorite, acrylic acid (ester)/polydimethylsiloxane copolymer/2,2,4,4,6-pentamethylheptane, PEG-10 polymethylsiloxane, phenoxyethanol/ethylhexyl glycerin, octylene glycol/ethylhexyl glycerin, silicon treated iron oxide yellow and silicon treated iron oxide red. The silky soft skin feeling type essence liquid foundation is good in water resistance, good in ductility, and fine and smooth in skin feeling.

The invention relates to an active dye-decamethylcyclopentasiloxane suspension system dyeing process of a cotton fabric. The process comprises the following steps: S1, preparation of an active dye-D5 (Decamethylcyclopentasiloxane) suspension system; S2, pre-treatment of the cotton fabric; S3, dyeing. The process provided by the invention has the beneficial effects of being capable of realizing salt-free and water-saving dyeing, and effectively solving the problem that the dye-uptake of the dye is low, the water consumption and the pollution emission are high, and the saltness of wastewater is high in conventional water bath dyeing by the active dye. Compared with conventional water bath dyeing, according to the active dye-D5 suspension system dyeing process provided by the invention, the dye-uptake is close to 100% and the total fixation rate is about 90% under a condition that no salt is used for accelerating the dyeing, the dye-uptake and the total fixation rate are far higher than those in the conventional water bath dyeing; meanwhile, the process has the relatively good color fastness.

The invention provides an air cushion BB cream. The air cushion BB cream comprises cetyl PEG/PPG-10/1polydimethylsiloxane, sorbitan sesquioleate, octyl methoxycinnamate, cyclopentasiloxane/trimethylsiloxysilicate, bisabolol, tocopheryl acetate, cyclopentasiloxane, tridecyl trimellitate, C12-15 alkyl benzoate, polydimethylsiloxane, ultrafine titanium dioxide, nano-titanium dioxide, iron oxide black, iron oxide red, iron oxide yellow, bentonite, vinyl dimethicone/methicone silsesquioxane crosspolymer, decamethylcyclopentasiloxane/dimethicone crosspolymer and the like. The air cushion BB cream is smooth, moist, capable of naturally covering blemishes and achieving soothing and resistant to allergies.

The invention relates to the technical field of cosmetics, and provides a tone-up cream aiming at the problem that skin color is difficult to improve by a tone-up cream. The tone-up cream dprovided bythe invention comprise a composition A, a composition B and a composition C. The composition A is prepared from the following ingredients in parts by mass: 0.5 parts of pammonium acryloyldimethyltaurate-VP copolymer and 1-2 parts of propylene glycol dicaprylate/dicaprate. The composition B is prepared from the following ingredient in parts by mass: 1-4 parts of titanium dioxide, 1-4 parts of cetyl alcohol, and 1-4 parts of sodium polyacrylate//polydimethylsiloxane//decamethylcyclopentasiloxane//tridecyl polyether-6//PEG/PPG-18/18 polydimethylsiloxane. The composition C is prepared from the following ingredients in parts by mass: 0.5-0.75 parts of 4-butyl resorcinol, 0.01-0.1 parts of Chinese galla extract, and 5-10 parts of nicotinamide. 4-Butyl resorcinol, Chinese gall extract and nicotinamide are adopted to cooperate so as to achieve a synergistic effect, which is beneficial to improve the smoothness and transparency of the skin, and is beneficial to improve the skin color effect ofthe one-up cream.

The invention discloses a jelly-like foundation makeup and a preparation method of same. The foundation makeup includes the following components: titanium dioxide, iron oxide yellow, iron oxide red, iron oxide black, pearl powder, zinc oxide, boron nitride, silica, isononyl isononanoate, hydrogenated polyisobutene, polydimethylsiloxane, decamethylcyclopentasiloxane, Jojoba seed oil, sorbitan sesquioleate, tocopheryl acetate, glycerol, butanediol, allantoin, sodium hyaluronate, acrylate/C10-30 alkanol acrylate crosslinked polymer, triethanolamine, PEG-240/HDI compolymer bis-decyl tetradecanol polyether-20 ether, methyl 4-hydroxybenzoate, propyl 4-hydroxybenzoate, phenoxyethanol, essences, and the balanced being deionized water. The jelly-like foundation makeup, through dual-emulsification technology, has long-lasting makeup effects, is water-proofing and oil-proofing, has no greasy sense and integrates moisturizing, concealing, isolating and sun-screening and the like functions. The preparation method can achieve large-scale mass production.

The grafted silicone polymer comprises a polymerization product of (a) a mercapto-modified silicone polymer and (b) a radically polymerizable monomer component comprising (meth)acrylic acid and/or a (meth)acrylic acid alkyl ester selected so that the solubility parameter of a polymer obtained only from the radically polymerizable monomer component is at least 9.14 (cal/cm³)^1/2, wherein the grafted silicone polymer has a elastic storage modulus of 1 105 Pa or greater at 37° C., 1 Hz and dissolves in decamethylcyclopentasiloxane by 1 weight percent or greater at 23° C.

The invention belongs to the technical field of cosmetics, and provides an oil-in-water sun-proof product with water-resisting and skin-elasticity-improving functions and a preparation method of the oil-in-water sun-proof product. The oil-in-water sun-proof product is prepared from the following components in parts by weight: 1-3 parts of cetostearyl alcohol, 1-5 parts of polydimethylsiloxane, 1-5parts of decamethylcyclopentasiloxane/cyclohexasiloxane, 3-8 parts of dibutyl adipate, 3-8 parts of propylene glycol dicaprylate/dicaprate, 3-10 parts of titanium dioxide, 5-10 parts of ethylhexyl methoxycinnamate, 1-4 parts of diethylaminohydroxybenzoyl hexyl benzoate, 1-4 parts of ethylhexyl triazone, 1-3 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 1-5 parts of octocrilene, 2-10 parts of glycerinum, 2-10 parts of butanediol, 0.1-1 part of triethanolamine, 0.01-0.1 part of an ethylenediaminetetraacetic acid (EDTA) disodium salt, 0.01-2 parts of a thickener, 0.1-2 parts of a preservative, 0.5-2 parts of an emulsifier and 46.5-63.7 parts of water. By adopting the scheme, the problems of poor refreshing property and water resistance of a sun-proof product in the prior art are solved.

The invention discloses a multifunctional composite gas phase anti rust agent, which is characterized by comprising the following raw materials by weight: 1-2 parts of nitrite dicyclohexylamine, 1-2 parts of hydroxyethyl ethylenediamine, 0.5-1 part of ethyl maltol, 1-2 parts of propylene glycol alginate, 4-6 parts of decamethylcyclopentasiloxane, 2-4 parts of palm oil, 1-2 parts of glyceryl triisocaprylate, 1-2 parts of trimethylolpropane trioleate, 0.5-1 part of barium petroleum sulfonate, 6-8 parts of chitosan, 1-2 parts of mannitol, 6-8 parts of sodium tripolyphosphate, 2-4 parts of sodium alginate, 4-6 parts of a performance additive and 40-50 parts of water. The multifunctional composite gas phase anti rust agent has both contact antirust and gas phase antirust effects. The multifunctional composite gas phase anti rust agent has good antirust effect on iron and steel, copper, aluminum, zinc and other various metal materials, the time of duration is long, and the multifunctional composite gas phase anti rust agent has sustained release and controlled release effect, and is suitable for occasions requiring both waterborne antirusting and sealed space gas phase antirusting effects.

The invention discloses a sunscreen. The sunscreen is prepared from a component A, a component B and a component C, wherein the component A comprises the following ingredients: propylene glycol, xylitol, xanthan gum, sodium chloride and sodium hyaluronate; the component B comprises the following ingredients: decamethylcyclopentasiloxane, cetyl PEG/PPG-10/1 dimethicone, sorbitan isostearate, zinc oxide, octocrylene, 2-ethylhexyl 4-methoxycinnamate, polydimethylsiloxane, isopropyl myristate, tocopheryl acetate, disteardimonium hectorite, a methyl methacrylate crosslinked polymer and titanium dioxide; the component C comprises the following ingredients: phenoxyethanol, ethylhexylglycerin and the balance of deionized water. The sunscreen can realize chemical sunscreen and physical sunscreen, realizes the dual-sunscreen effect and has good skin fitting performance and sunscreen effect. The invention further discloses a preparation method of the sunscreen. The preparation method is simple, the sunscreen has a good dispersion effect, so that the sunscreen product has good skin fitting performance and a good absorption effect.

The invention discloses a method for splitting dimethyl dichlorosilane hydrolysate. The method comprises the following steps: carrying out load reaction onto strong-basicity macroporous anion exchange resin, potassium hydroxide, potassium trimethylsilanolate and [bmim]BF4 ionic liquid to obtain a composite catalyst after the reaction is ended; adding dimethyl dichlorosilane hydrolysate into a splitting kettle to obtain a ring-body mixture by splitting and re-arranging solvent oil, the composite catalyst and the hydrolysate; and washing with water to remove high-boiling point residues and low-boiling point residues to obtain products such as octamethylcyclotetrasiloxane D4, hexamethylcyclotrisiloxane and decamethylcyclopentasiloxane.

The present invention relates to a novel organopolysiloxane having a specified structure and a cosmetic containing the aforementioned organopolysiloxane. The novel organopolysiloxane according to the present invention is volatile, possesses stability at low temperature, provides superior glossiness, and has a superior property with respect to miscibility with a UV-ray absorber, and which is useful as a replacement of octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, or methyltrime-thicone. The cosmetic according to the present invention can provide superior feeling to the touch during use and a superior outer appearance. Furthermore, a degree of freedom in blending various components such as UV-ray absorbers into the cosmetic according to the present invention is increased.

The invention relates to medical addition type facial prosthesis silicone rubber and a preparation method thereof. The medical addition type facial prosthesis silicone rubber is characterized in that according to the performance requirements of the prosthesis silicone rubber material, an organic silicon basic polymer synthesized from octamethyl cyclotetrasiloxane or a mixture comprising hexamethylcyclotrisiloxane, the octamethyl cyclotetrasiloxane, decamethylcyclopentasiloxane and the like, and divinyltetramethyldisiloxane by taking tetramethyl ammonium hydroxide as a catalyst is selected; the catalyst, namely a platinum metal complex, a polymerization inhibitor (a compound of butynol and tetramethyl tetravinyl cyclotetrasiloxane) and a cross-linking agent, namely a poly-methyl hydrogen silicone oil polymer are further selected; and modified fumed silica is taken as a filler. The addition type facial prosthesis silicone rubber is prepared from the following raw materials in percentage by weight: 20%-80% of basic polymer, 15%-75% of filler and 5%-15% of cross-linking agent, catalyst and polymerization inhibitor. According to the method, the medical prosthesis silicon rubber with the hardness of 20-45HA, tensile strength of above 6.0MPa and tearing strength of above 18KN/m can be prepared.

The invention discloses a whey protein cream capable of restoring skin elasticity. The whey protein cream comprises glycerol, butanediol, decanoyl/octanoyl-glycerides,poly[oxy(dimethylsilylene)], decamethylcyclopentasiloxane, cetanol, sterin, PEG-75 stearate, POE (20) isohexadecyl ether, steareth-20, jojoba seed oil, tocopherol, avocado tree grease, avocado oil, Argania spinosa kernel oil, whey protein, elastin, hydrolytic collagen, polysorbate 20, sodium hyaluronate, hydrolyzed cocoon fiber, serine, Saussurea involucrata extract, lecithin, Atelocollagen, hydrolyzed plant protein, phenoxyethanol, carbomer, triethanolamine, 1,2-octanediol, ethylhexylglycerin, essence, CI 13015, CI 15580, iodopropynyl butylcarbamate and the balance of deionized water. The combination of the micro-grease-capsule-coated elastin, hydrolyzed cocoon fiber, hydrolyzed collagen, whey protein and Atelocollagen is added into the moisturizing formula, so that the whey protein cream can moisturize the skin and restore the skin elasticity.

The invention discloses linear or body fluorine modified polysiloxane and a preparation method thereof. The preparation method disclosed by the invention mainly comprises the following steps of: by taking quaternary ammonium base (such as tetramethylammonium hydroxide (TMAH)) siloxanolate or quaternary phosphorus alkali (such as tetrabutyl phosphorus hydroxide (TBPH)) siloxanolate as the catalyst, taking fluorine-containing cyclosiloxane (such as trifluoropropylmethyl cyclotrisiloxane (D3F)), alkyl cyclosiloxane (such as hexamethyl cyclotrisiloxane (D3), octamethyl cyclotetrasiloxane (D4) or decamethyl cyclopentasiloxane (D5)) or alkyl polycyclosiloxane (bi(heptamethyl cyclotetramethoxy)-ethane(bis-D4)) as the raw material, carrying out ring opening polymerization, and obtaining the linear or body fluorine modified organosilicon material. The preparation method of the linear or body fluorine modified organosilicon material disclosed by the invention is simple in preparation process and low in cost; furthermore, the molecular weight of the prepared product can be adjusted according to requirements; the linear or body fluorine modified organosilicon material has excellent antifouling property, solvent resistance, weather fastness and heat stability and has strong industrialization ability and application prospect.