427 results about "Hexylene glycol" patented technology

The invention discloses a collagen composition for skin substrate repair and skin care application thereof, and the collagen composition comprises the following components: 1-3% of soluble III-type collagen, 1-5% of hyaluronic acid, 1-2% of plant extract, 0.1-0.5% of allantoin, 0.2-0.5% of dipotassium glycyrrhizinate, 1-5% of glycerol, 1-5% of butanediol, 1-5% of 1, 2-propylene glycol, 1-5% of 1, 3-propylene glycol, 1-5% of propylene glycol and the balance of water. The cleaning agent is prepared from the following components in percentage by weight: 1 to 2 percent of 1, 2-hexanediol, 0.1 to 0.5 percent of phenoxyethanol, 0.1 to 0.5 percent of ethylhexylglycerin, 0.1 to 0.5 percent of carbomer, 0.1 to 0.5 percent of triethanolamine and the balance of water. The collagen III is added, so that the problems of wrinkles and skin aging are remarkably relieved. According to the skin-care lotion, the oily composition and the water-based composition are reasonably proportioned, so that excellent moistening and moisturizing effects are provided, the moisture balance of the skin is favorably maintained, and the skin is kept soft and moist. The added plant extract, hydrolyzed protein and mineral substances not only nourish and repair the skin, but also can improve various skin problems, enhance the endurance capacity of the skin and avoid the condition that the skin wrinkles are increased during the period of stopping using.

The invention is about a method of marking ink which is only used to defend fake. The composition of it is: lipidol or lipid, surface active agent, integration agent, water, buffering agent. Their mass percents are: 1,2-hexylene glycol: 5%-15%, butanol: 1-5%, DH-1: 5-10%, EDTA: 0.1-0.5%, MS-1: 0.1-1%, water: the rest. The process is: a. dissolving the colorant in water, b. put the correct percent of 1,2-hexylene glycol and butanol into the solvent, then dropping the MS-1 and EDTA solution when mixing the solvent for 30-50 min, c. put the rest precent of water into the printing ink box. The picture and word would be shown red fluorescence in the UV but blank in the usual light.

The invention discloses collagen polypeptide firming and anti-wrinkle freeze-dried powder, and relates to the technical field of cosmetics. The invention relates to a biological preservative which is prepared from water, butanediol, a bacillus / soybean fermentation product extract, soluble collagen, acetyl hexapeptide-8, panthenol, 1, 2, 4-trimethyl-1, 3-pentanediol and a proper amount of water. The cosmetic is prepared from 1, 2-hexanediol, tetrahydromethylpyrimidine carboxylic acid, hydroxypropyl tetrahydropyrantriol, tremella polysaccharide, saccharide isomeride, a bifidus yeast fermentation product lysate, sodium hyaluronate, DNA sodium, a radix gentianae extract, mannitol, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, oligopeptide-1, decapeptide-4, oligopeptide-3, hydrolyzed royal jelly protein, folic acid and disodium hydrogen phosphate. The additive is composed of sodium dihydrogen phosphate, citric acid and sodium citrate. The mask can provide rich nutrients for skin, deeply care the skin, moisturize and relieve the skin, tighten the skin, resist wrinkles and make the skin moisturized, glossy, elastic and tight, and is high in use safety and wide in application prospect.

The invention relates to the technical field of UV paint for floors, in particular to UV paint for SPC floors and a preparation method of the UV paint. The UV paint for the SPC floor is prepared from the following raw materials in parts by mass: 50 to 100 parts of UV resin, 20 to 40 parts of 1, 6-hexanediol diacrylate, 20 to 40 parts of a mixed solvent, 5 to 15 parts of polystyrene microspheres, 1 to 5 parts of tetraethoxysilane, 0.1 to 1 part of sodium dodecyl benzene sulfonate, 0.1 to 1 part of a silane coupling agent, 1 to 2 parts of diphenylmethane diisocyanate, 1 to 2 parts of a flatting agent, 1 to 2 parts of a photoinitiator and 1 to 2 parts of a delustering agent, the UV resin comprises urethane acrylate with the functionality of 2 to 3 and urethane acrylate with the functionality of 4 to 6. The paint film obtained by the invention has the advantages of high curing speed, strong adhesive force, good flexibility and excellent wear resistance, and is especially suitable for preparing SPC floors.

The invention discloses a UV-cured high-weather-resistance optical thin film and a preparation method thereof, and relates to the technical field of optical thin films. The optical film is prepared by taking polyethylene glycol terephthalate as a base material and coating the base material with a UV curing coating, and the UV curing coating comprises the following raw materials in parts by weight: 15-20 parts of aliphatic polyurethane acrylate, 5-8 parts of perfluorobutyl ethyl acrylate, 8-12 parts of hydroxyethyl acrylate, 6-10 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, the invention relates to a UV (ultraviolet)-resistant coating which is prepared from the following raw materials in parts by weight: 1-2 parts of 2, 6-hexanediol diacrylate, 5-8 parts of trimethylolpropane triacrylate, 30-40 parts of modified epoxy acrylate, 1-2 parts of a silane coupling agent KH-570, 2-3 parts of a photoinitiator 1173, 0.5-1.2 parts of a modified ultraviolet absorbent UV-327, 0.8-1.5 parts of a hindered amine light stabilizer 540, 0.3-0.8 part of an antioxidant 1010, 0.09-0.12 part of an ultraviolet absorbent Tinuvin400 and 0.2-0.5 part of polyether modified polydimethylsiloxane. According to the UV-cured high-weather-resistance optical thin film, polyethylene glycol terephthalate is used as a base material, key raw materials such as a UV-cured coating with a scientific formula, modified epoxy acrylate and the like are finely prepared, a two-stage curing process is adopted, and the weather resistance is excellent.

The invention relates to a compound preservative and moisturizing cream added with the compound preservative, and the compound preservative is prepared from the following components in parts by mass: 15-25 parts of hydroxyacetophenone, 7-35 parts of caprylyl glycol and 50-70 parts of isohexylene glycol. The invention further relates to application of the compound preservative in preparation of cream cosmetics, and the addition amount of the compound preservative in the cream cosmetics is 0.5-1 part by mass. The antibacterial spectrum of a single preservative is generally narrow, and the single preservative is only effective to some specific types of microorganisms and cannot comprehensively inhibit various microorganisms possibly existing in cosmetics. According to the invention, multiple anti-corrosion components are compounded, so that the anti-corrosion effect is synergistically improved, efficient anti-corrosion can be realized, and the safety and the environmental protection property can be ensured.

The invention discloses a beautifying essence which comprises the following components in percentage by weight: 1% of bifidus yeast fermentation liquor, 3% of boine, 2% of nicotinamide, 0.3% of gallnut extract, 1% of purslane extract, 0.3% of allantoin, 0.2% of centella asiatica extract, 0.3% of tocopherol extract, 0.5% of aesculus chinensis extract, 2% of vitamin E, 0.05% of xanthan gum, 0.05% of sodium hyaluronate, 0.2% of carbomer, 0.5% of p-hydroxyacetophenone, 0.5% of 1, 2-propylene glycol and the balance of water. The cleaning agent is prepared from, by weight, 0.5% of 1, 2-hexanediol, 5% of glycerin, 4% of PEG / PPG-14 / 7 dimethyl ether, 2.2% of glycosylglycerol, 0.2% of tetrahydroxypropyl ethylenediamine, 3% of polyglycerol-3, 0.05% of PDRN powder and the balance water. Effect evaluation test results show that the beauty essence can inhibit the activity of elastase and increase the content of type I collagen in human primary fibroblasts, so that the firming and anti-wrinkle effects are achieved.

The invention relates to a low-temperature starch type impregnating compound as well as a preparation method and application thereof. The low-temperature starch type impregnating compound is prepared from the following raw materials in percentage by mass: 4-8% of a low-temperature starch type film-forming agent; 0.2%-1.0% of a plasticizer; 0.5%-2.5% of a lubricant; 0.05%-0.25% of an emulsifying agent; 0.04 to 0.08% of a coupling agent; 0.5 to 1.0 percent of a cross-linking agent; and the balance of water. Wherein the low-temperature starch type film-forming agent is a composition of distarch hydroxypropyl phosphate, oxidized starch and modified starch in a mass ratio of 1: 1: (1.2-1.5), and the emulsifier is a composition of isohexylene glycol and polyethylene glycol. The impregnating compound disclosed by the invention can be uniformly distributed in glass fiber yarns, so that waste is reduced, the utilization rate is increased, the bundling property, the flexibility and the lubricity of electronic yarns are enhanced, and the subsequent processing and using performance is optimized.

The invention discloses a whitening and freckle-removing essence which comprises the following components: a calendula extract, pure water, 1, 2-pentanediol, methylpropanediol, carbomer, arginine, nicotinamide, a freckle-removing essence, a natural plant penetration enhancer, hydroxyethyl piperazine ethanesulfonic acid, small-molecule ellagic acid, dipropylene glycol, 1, 2-propylene glycol, ethanol and water. The composition is prepared from 1, 2-hexanediol, caprylyl glycol, ethylhexylglycerin, raspberry ketone glucoside and a PEG / PPG-17 / 6 copolymer. The invention further discloses a production process of the whitening and freckle-removing essence water. The invention has the following advantages: with pure natural plants as a main product, the skin has obvious change after being used for a week, specifically, pregnancy spots, sunburn, chloasma, pigmentation after inflammation and other color spots on the face can be reduced and faded, the face skin can be whitened, the face is mild and non-irritating, and the effects of improving uneven skin color, brightening skin color and the like can be achieved.

The present invention relates to the technical field of skin care products, and specifically discloses a soothing smoothie cream containing Centella asiatica extract and a preparation method thereof. The soothing smoothie cream containing Centella asiatica extract includes phase A, phase B, phase C, and phase D, wherein phase A is a compound of solvent, glycerol, butylene glycol, erythritol, allantoin, sodium carbomer, p-hydroxyacetophenone, polypropylene (ester) class / C10-20 alkyl acrylate cross-linked polymer; phase B is a compound of hydrogenated polyisobutene, caprylic / capric triglyceride, and polyglycerol-3 methyl glucose distearate; phase C is arginine; phase D is a compound of 1,2 hexanediol, dipotassium glycyrrhizate, saccharide isomers, Centella asiatica extract, white iris root extract, centella roxburghii extract, and white oak bark extract. The present invention has the advantage of further improving the soothing effect of skin care products.

The invention discloses a repairing mask containing Chinese rose hydrolat, which is prepared from the following components: the Chinese rose hydrolat, pure water, 1, 3-butanediol, allantoin, carbomer, sodium hyaluronate, xanthan gum, arginine, nicotinamide, 1, 2-pentanediol, 1, 2-hexanediol, octylene glycol, menthol, a carbohydrate gum composition, squalane nanoemulsion and a wrapping freshener. The invention discloses a production process of a repairing mask containing Chinese rose hydrolat. The repairing mask containing the Chinese rose hydrolat has the advantages of moisturizing, soothing and calming, nourishing skin, whitening and fading spots.

The invention relates to the technical field of anti-seepage protective materials, in particular to a high-toughness high-molecular flexible auxiliary anti-seepage protective material and a preparation method thereof, and the high-toughness high-molecular flexible auxiliary anti-seepage protective material comprises a component A and a component B, the component A at least comprises the following preparation raw materials: first polyol, a chain extender, diisocyanate and an anti-aging agent, the mass ratio of the diisocyanate in the component A is 22-35%, and the mass ratio of the anti-aging agent in the component A is 0.1-1%; the first polyhydric alcohol is prepared from poly (neopentyl glycol adipate)-1, 6-hexanediol ester glycol, hydrogenated castor oil polyether polyol, polytetrahydrofuran glycol and polyfunctional polyether polyol, and the second polyhydric alcohol is prepared from poly (neopentyl glycol adipate)-1, 6-hexanediol ester glycol, hydrogenated castor oil polyether polyol, polytetrahydrofuran glycol and polyfunctional polyether polyol; the chain extender is prepared from dipropylene glycol and methyl propylene glycol; the component B is prepared from the following raw materials: second polyol, a plasticizer, a filler and an amine catalyst, and is subsequently coated on the surfaces of base materials such as asphalt concrete and concrete to isolate a bottom structure from the external environment, so that the effects of isolation, seepage prevention, protection, insulation, flame retardance and the like are achieved.

The present invention proposes a method for removing odor impurities from 1,2-hexanediol, and belongs to the field of purification technology. The method for removing odor impurities from 1,2-hexanediol comprises the following steps: 1) mixing 1,2-hexanediol and an entrainer to obtain a mixed material; the entrainer is one or more of pure water, methanol, ethanol, n-propanol, isopropanol and n-butanol; 2) transferring the obtained mixed material to an azeotropic distillation tower for azeotropic distillation, extracting an azeotrope of the entrainer and odor impurities at the top of the tower, and obtaining the deodorized 1,2-hexanediol in the tower bottom. The method provided by the present invention does not involve chemical reactions, and has a short production process, generates less solid waste, and has a high purity of the purified 1,2-hexanediol product.

The invention discloses an anti-wrinkle firming face cream based on camellia oleosa seed oil diglyceride and a preparation method of the anti-wrinkle firming face cream. The anti-wrinkle firming face cream is prepared from deionized water, glycerin, butanediol, sodium hyaluronate, camellia oleosa seed oil diglyceride, squalane, simmondsia chinensis seed oil, cetearyl glucoside, glyceryl stearate, acetyl hexapeptide-8, palmitoyl tripeptide-1, vitamin E, 1, 2, 4-trimethyl-1, 3-pentanediol and a proper amount of water. The component A is prepared from 1, 2-hexanediol, caprylyl glycol, a thickening agent and a pH regulator; in the aspect of efficacy, through the synergistic effect of the camellia oleosa seed oil diglyceride, the acetyl hexapeptide-8, the palmitoyl tripeptide-1 and the vitamin E, efficient anti-wrinkle tightening is achieved; in the aspect of skin feeling, squalane and jojoba oil are matched with a light emulsifying system and trace xanthan gum, so that velvet matte texture is made, and the velvet is soft, smooth and not sticky; in the aspect of safety, 1, 2-hexanediol and caprylyl glycol which are safe and free of sensitization are used for corrosion prevention, no irritating component is generated, the anti-allergic skin care lotion is suitable for various skin types, the allergy risk is reduced, and reliable and comfortable skin care experience is brought to consumers.

The invention is applicable to the technical field of toothpaste preparation, and particularly relates to mild stain-removing and whitening toothpaste containing diatomite and coconut shell carbon and a preparation method of the mild stain-removing and whitening toothpaste. The mild stain-removing and whitening toothpaste comprises 9-30% of Changbai Mountain diatomite abrasive, 32-38% of sorbitol, 2-4% of sodium lauroyl silicate, 2-3% of polyethylene glycol 400 and 0.5-2% of coconut shell carbon. The toothpaste is prepared from the following components in percentage by weight: 0.6 to 1 percent of polyvinylpyrrolidone, 0.5 to 0.8 percent of honeysuckle flower extract, 0.5 to 0.7 percent of pseudo-ginseng extract, 0.5 to 0.8 percent of xanthan gum, 0.1 to 0.2 percent of 1, 2-hexanediol, 0.5 to 0.8 percent of essence and water. The diatomite and coconut shell carbon used in the invention are refined natural food-grade raw materials, do not contain chemical components, have low hardness, are suitable for children and sensitive people, and do not damage enamel; the selected Changbai Mountain diatomite and coconut shell carbon with the iodine value of 1500-3000 have a synergistic effect, and the Chinese herbal medicine extract is added to assist in degerming; the adsorption, whitening and deodorizing capabilities of the toothpaste are greatly improved, and the toothpaste can quickly remove stains, whiten and remove bad breath.

The invention belongs to the technical field of perfume preparation processes, and particularly relates to a preparation process of fragrance lasting type perfume ligustral, which comprises the following steps: a catalytic dehydration step: mixing isohexylene glycol and a composite catalyst according to a mass ratio of 100: (0.8-1.2), and carrying out a catalytic dehydration reaction under a gradient heating condition to generate a methyl pentadiene mixture; a Diels-Alder addition step: carrying out an addition reaction on acrolein and a methyl pentadiene mixture according to a mass ratio of 1: (1.05-1.15) under a sectional temperature control condition, controlling the reaction pressure to be 0.25-0.35 MPa, carrying out a heat preservation reaction for 2 hours, and cooling to obtain a ligustral crude product; and a three-tower series rectification step: separating and purifying the ligustral crude product after the addition reaction through a light component removal tower, a middle component removal tower and a refining tower in sequence to obtain a ligustral finished product. By optimizing a catalytic system, reaction conditions and a separation process, the purity and aroma durability of the product are improved.

Provided is an ink composition for ultraviolet-curable inkjet printing comprising polymerization components, a resin component, and a photopolymerization initiator, wherein the polymerization components include (A) a polyfunctional amine-modified oligomer, (B) a nitrogen-containing monomer, (C) an aromatic ring-containing monomer, and (D) a polyfunctional monomer, wherein the resin component includes a hydroxyl group-containing resin, wherein (A) comprises an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, wherein (B) comprises vinyl caprolactam, wherein (C) comprises benzyl acrylate and phenoxyethyl acrylate, wherein (D) comprises at least one of propoxylated neopentyl glycol diacrylate, dipropylene glycol diacrylate, or 1,6-hexanediol diacrylate, wherein a content of (A) is 0.1 to 13.0% by mass, wherein a content of (C) is 35.0 to 75.0% by mass, wherein a content of (D) is 2.0 to 16.0% by mass, and wherein the hydroxyl group-containing resin includes a ketone resin having a hydroxyl group.

An aqueous inkjet ink contains a pigment, a pigment dispersion resin, a surfactant, a water-soluble organic solvent, and a binder resin, wherein the pigment dispersion resin contains at least one selected from the group consisting of block polymers and polymers having a crosslinked structure, the water-soluble organic solvent contains hexylene glycol, and if WR(g) is the sum of the content of the pigment dispersion resin and the content of the binder resin in 100g of the aqueous inkjet ink, and WP(g) is the content of the pigment in 100g of the aqueous inkjet ink, then the value represented by WR / WP is 1-7.

The present invention relates to a highly soluble composition containing cosmetic actives, its preparation and application, belonging to the technical field of cosmetics. The highly soluble composition containing cosmetic actives of the present invention comprises cosmetic actives and a solvent; the cosmetic actives are selected from one or more of glycyrrhetinic acid, asiatic acid and madecassic acid; the solvent comprises hexylene glycol, methyl glucamine and water. Methyl glucamine has multiple hydroxyl groups in its structure and has good water solubility. By combining the amino group in its structure with the carboxyl group on the cosmetic actives, the hydrophilicity of the cosmetic actives is increased. Hexylene glycol has the characteristics of being amphiphilic for oil and water and can play a bridging role in dissolving the cosmetic actives, promoting the combination of the cosmetic actives and methyl glucamine, thus playing a synergistic effect. At the same time, the amount of solvent used can be greatly reduced, and the dissolution efficiency of the cosmetic actives can be greatly improved, thereby realizing the application value in cosmetics.

The present invention is directed to methods for improving the therapeutic outcome of treatment with roflumilast. The therapeutic outcome is improved by consistent delivery and / or a longer plasma half-life of a topically administered roflumilast composition. The roflumilast composition preferably includes dicetyl phosphate, ceteth-10 phosphate, diethylene glycol I monoethyl ether, and / or hexylene glycol.

The invention discloses a hydrophobic antifouling automobile paint surface protective film and a preparation method thereof, and relates to the technical field of polymer materials. When preparing the hydrophobic antifouling automobile paint surface protective film, the present invention reacts diethyl phosphite with 1,3-propylene glycol to obtain a dihydroxy phosphate monomer; polymerizes 1-chloromethyl-2,4-diisocyanobenzene with a dihydroxy phosphate monomer and 2,2-3,3-4,4-5,5-octafluoro-1,6-hexanediol to obtain polyurethane; reacts polyurethane with methacrylate-2,2,6,6-tetramethyl-4-piperidyl ester to obtain pre-modified polyurethane; reacts pre-modified polyurethane with dopamine to obtain modified polyurethane; reacts nano-kaolin with 3-mercaptopropyltriethoxysilane and butane-3-boric acid in sequence to obtain modified nano-kaolin; and melt-blended the modified polyurethane with the modified nano-kaolin and then calendered to obtain the hydrophobic antifouling automobile paint surface protective film. The hydrophobic and antifouling automobile paint surface protective film prepared by the invention has excellent flame retardant, anti-aging, antifouling and self-repairing properties.

The invention discloses a self-crystallization type amino acid cleansing cream composition and a preparation method thereof. Comprising the following components in percentage by weight: 20%-40% of glycerol, 15%-25% of cocoyl glycinate, 1%-10% of cocoyl hydrolyzed collagen potassium, 0.1%-5% of sodium lauroamphoacetate, 0.1%-3% of citric acid, 0.1%-3% of sodium methyl cocoyl taurate, 0.1%-3% of sodium chloride, 0.1%-3% of sodium lauroyl glutamate, 0.1%-3% of ethyoxyl diethylene glycol, 0.1%-3% of propylene glycol laurate, 0.1%-3% of PEG-150 stearate, 0.1%-3% of ethylene glycol distearate, 0.0%-2% of 1, 3-propylene glycol distearate, 0.0%-2% of 1, 3-propylene glycol distearate and the balance of water. The cleaning agent is prepared from the following components in percentage by weight: 0.0 to 2 percent of 1, 2-hexanediol, 0.0 to 2 percent of p-hydroxyacetophenone and The self-crystallization type cleansing cream composition disclosed by the invention is high in crystallization point, good in thermal stability, mild and low in irritation, and has the effects of moisturizing and promoting cell proliferation, and the overall performance is improved.

The invention discloses whitening essence and a preparation method thereof, and belongs to the field of skin care products. The five-phase mixture comprises hydroquinone, tretinoin, fluocinonide, glabridin and vitamin C derivatives; the phase A is prepared from water, PCA sodium, butanediol, sodium hyaluronate and 1, 2-hexanediol; the phase B is prepared from ascorbyl glucoside, arginine, a skin conditioner, chlorphenesin, hydroxyethyl piperazine ethanesulfonic acid, alpha-arbutin, nicotinamide, dipotassium glycyrrhizinate and a skin conditioning and relieving agent; a phase C: 1, 3-propylene glycol and a preservative; a phase D: PEG-40 hydrogenated castor oil and rose oil; and a phase E: water, 1, 2-pentanediol, a peppermint leaf extract and glutathione. Compared with the existing whitening essence in the market, the whitening essence prepared by the invention can be applied to different skin types, and can be absorbed by different skin types when acting on different skin types, so that the whitening essence prepared by the invention can be used for whitening different skin types when being applied to users with different skin types, and the whitening essence can be used for whitening different skin types. The whitening and moisturizing effects are good.

The invention provides gel containing SOD (superoxide dismutase) and a preparation method, and relates to the field of gel preparation. The preparation method of the gel containing the SOD superoxide dismutase comprises the following steps: S1, adding water and glycerol into a stirring pot, and stirring; s2, uniformly stirring, adding carbomer, and homogenizing for a proper time; s3, stirring while heating after mixing, and adding raspberry ketone and 1, 2-hexanediol during the period; s4, continuously raising the temperature, keeping the temperature for a proper time after the designed temperature is reached, and cooling after the temperature is kept; s5, adding SOD (superoxide dismutase) and continuously stirring; s6, stirring until dissolving, adding triethanolamine or sodium hydroxide, and stirring; and S7, uniformly stirring, and cooling to room temperature to obtain the gel containing SOD. In the invention, the gel containing superoxide dismutase not only resists oxidation, but also contributes to promoting skin repair and relieving inflammation, and especially under the condition of sensitivity or susceptibility to stimulation, the gel containing superoxide dismutase possibly contributes to accelerating repair, relieving discomfort and improving comfort.

The invention discloses a polyurethane modified low-temperature adaptive protective earplug material and a preparation process thereof, and belongs to the technical field of earplug materials. The earplug material comprises a component A, a component B, a component C and a component D, wherein the component A is prepared from isocyanate, 2-hydroxyethyl disulfide and octafluoro-1, 6-hexanediol; the component B comprises polyether polyol, perfluoropolyether glycol, polysiloxane, a foaming agent, a foam stabilizer, a dynamic cross-linking agent and a catalyst. 2-hydroxyethyl disulfide and octafluoro-1, 6-hexanediol are used for partially modifying a hard section of a polyurethane material, and perfluoropolyether glycol, polysiloxane and polyether polyol are grafted, so that the hardness of the earplug material at a low temperature is reduced through synergism of all the components, and the earplug material has low-temperature flexibility, tear resistance, hydrophobicity and pollution resistance; and low-temperature embrittlement can be avoided.

The invention relates to the technical field of whitening and freckle removing, in particular to light-sensitive whitening and freckle removing essence and a preparation method and application thereof.The light-sensitive whitening and freckle removing essence is prepared from, by mass, 72.07% of water, 6% of butanediol, 3%-5% of X-resveratrol, 3% of tranexamic acid, 2.5% of nicotinamide, 2% of a red removing factor, 1% of panthenol, 1% of an anti-inflammatory agent, 0.5% of an anti-allergy agent, 0.5% of carnosine, 0.5% of p-hydroxyacetophenone, 1% of 1, 2-propylene glycol and the balance 1, 2-propylene glycol. The mask comprises the following components in percentage by weight: 0.5% of 1, 2-hexanediol, 0.2% of carbomer, 0.18% of arginine, 0.05% of sodium hyaluronate, 0.1%-1% of a light stabilizer and 5% of bis-ethylhexyloxyphenol sulfonate. According to the invention, the resveratrol is esterified by methyl propiolate, so that the molecular structure of the resveratrol is optimized, the performance of the resveratrol in the aspect of light stability is enhanced, and the degradation under the illumination condition is reduced; the esterified resveratrol can effectively inhibit tyrosinase activity, regulate melanocyte signal transduction and realize whitening and spot fading effects.

The invention discloses an antioxidant and firming polypeptide composition and a preparation method thereof, and the antioxidant and firming polypeptide composition comprises the following components in percentage by weight: 50-75% of water, 5-10% of butanediol, 0.1-3% of panthenol and 0.5-1% of p-hydroxyacetophenone. 0.2 to 8% of hydroxyethyl piperazine ethanesulfonic acid; the composition is prepared from the following components in percentage by weight: 20-30% of an eggshell membrane extract, 0.01-2% of nonapeptide-1, 0.01-5% of acetyl hexapeptide-8 and 0.5-1% of 1, 2-hexanediol; the preparation method comprises the following steps: putting water, butanediol, panthenol and p-hydroxyacetophenone into a container, and stirring at a constant temperature to obtain a first mixed solution; adding hydroxyethyl piperazine ethanesulfonic acid into the first mixed solution, and uniformly stirring to obtain a second mixed solution; adding an eggshell membrane extract, nonapeptide-1, acetyl hexapeptide-8 and 1, 2-hexanediol into the second mixed solution, and uniformly stirring to obtain the antioxidant and firming polypeptide composition; the antioxidant and firming polypeptide composition disclosed by the invention has the functions of resisting oxidation, firming and brightening the skin; the method for preparing the antioxidant and firming polypeptide composition is simple and convenient for large-scale production.

The application belongs to the technical field of ink, and discloses a UV touch ink and a preparation method thereof.The UV touch ink comprises a UV modified acrylate, an acetylacetate ethyl ester-containing acrylic resin, an active monomer, an organic wax, a photoinitiator and a solvent; the active monomer is selected from at least one of dipropylene glycol diacrylate, diethylene glycol phthalate diacrylate, neopentyl glycol diacrylate and hexanediol diacrylate. The UV modified acrylate, the acetylacetate ethyl ester-containing acrylic resin, the active monomer and the organic wax are used as main components, and the selection of the active monomer enables the prepared UV touch ink to have excellent skin feeling and velvet feeling effects, and excellent adhesion, light resistance, weather resistance, alcohol resistance and solvent resistance. Meanwhile, the UV touch ink can simplify the curing process, and only needs to be dried by UV after printing, has high curing efficiency, and does not need to be dried by hot air and UV.

The invention discloses a method for applying photoswitch fluorescent polymers to dynamic fluorescent falsification prevention, which comprises the following steps: taking methyl acrylate, 1, 6-hexanediol diacrylate, a photoinitiator 819, a green fluorescent dye BDPMA and one of three photochromic spiropyrans SPMA, SPAMA and SPBMA as raw materials, and preparing three photoswitch fluorescent polymers P1, P2 and P3 in a photopolymerization manner. The P1, P2 and P3 are irradiated by ultraviolet light and placed in room-temperature darkness, red fluorescence generated by the P1, P2 and P3 can be gradually and spontaneously converted into green fluorescence, due to the structural difference of the three spiropyrans, the fluorescence discoloration rates of the three polymers show obvious difference, and a new dynamic fluorescent anti-counterfeit label is constructed by utilizing the difference. The photoswitch fluorescent polymer obtained by the invention has the advantages of simple preparation method, stable structure and good machinability, is suitable for amplification synthesis and practical application, and has wide application prospects in the fields of optical anti-counterfeiting and information encryption.

The invention belongs to the technical field of polyester resin preparation, and provides polyester resin for a photovoltaic backboard fluorocarbon coating as well as a preparation method and application of the polyester resin. The preparation method comprises the following steps: preparing and melting the quantitative component A and component B; the component A comprises quantitative 1, 2-cyclohexanedicarboxylic acid or anhydride thereof and other acids or anhydrides (at least one of maleic acid, maleic anhydride, succinic acid, fumaric acid and fumaric anhydride); the component B comprises quantitative 1, 6-hexanediol and other alcohols (which comprise quantitative neopentyl glycol and 2-ethyl-2-(hydroxymethyl)-1, 3-propanediol), and the component B comprises quantitative 1, 6-hexanediol and other alcohols (which comprise quantitative neopentyl glycol and 2-ethyl-2-(hydroxymethyl)-1, 3-propanediol); adding a catalyst, heating, and carrying out esterification reaction; and reducing the pressure, raising the temperature and carrying out polycondensation reaction to obtain the polyester resin. The polyester resin is added into the fluorocarbon coating for the photovoltaic back plate, so that the fluorocarbon coating has better anti-aging adhesion performance, anti-aging peel strength, anti-aging yellowing performance, acid and alkali resistance and solvent resistance.