420 results about "Triol" patented technology

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 provides a modified single-component polyurea waterproof coating as well as a preparation method and application thereof and a hydraulic concrete protective coating structure, and relates to the technical field of hydraulic concrete protection. The modified single-component polyurea waterproof coating provided by the invention is prepared from the following raw materials by mass: polytetrahydrofuran polyol, polyether triol, fluorine-containing polyether polyol, FEVE type fluorocarbon resin, organic silicon polyether glycol, a water repellent agent, isocyanate, a defoaming agent, a diluent, a dispersing agent, a catalyst, a latent curing agent, a coupling agent, a water removal agent, a pigment filler, a thixotropic agent and a plasticizer. The modified single-component polyurea waterproof coating has excellent comprehensive mechanical properties, anti-icing adhesion performance and ice pulling resistance, and the problem of freezing injury is thoroughly solved; the surface roughness is low, the hydrophobicity is high, and resistance and roughness are reduced; the water resistance is high; the coating is high in adhesive force. The modified single-component polyurea waterproof coating is applied to cold region hydraulic concrete anti-freezing damage protection engineering, and the long-term operation protection performance is good.

The invention belongs to the technical field of cosmetics, and discloses skin-tightening and anti-wrinkle essence. The skin-tightening anti-wrinkle essence is prepared from the following raw materials in percentage by mass: 1.5 to 2.5 percent of acetyl hexapeptide-8, 2.0 to 3.0 percent of palmitoyl pentapeptide-4, 3.0 percent of hydroxypropyl tetrahydropyrantriol, 2.0 percent of lipidosome-coated vitamin C ethyl ether, 0.5 percent of resveratrol PLGA microspheres, 0.8 percent of ceramide NP, 1.2 percent of pachymaran, 5.0 percent of glyceryl polyether-26, 0.3 percent of sodium hyaluronate, 0.5 percent of p-hydroxyacetophenone and 1, 3-propanediol, 0.5 percent of sodium hyaluronate, 0.5 percent of sodium hyaluronate, 0.5 percent of sodium hyaluronate and the balance of water. The 1, 2-hexanediol accounts for 0.6%, and the balance is deionized water. Multi-target anti-wrinkle, deep moisturizing and long-acting repairing are achieved by scientifically compounding active ingredients such as acetyl hexapeptide-8 and palmitoyl pentapeptide-4 and combining a lipidosome wrapping technology and a nano-microsphere slow release technology, the preparation process comprises the steps of lipidosome homogenization, nano-microsphere multiple emulsion method and low-temperature emulsification, the ingredient stability and transdermal efficiency are ensured, and the skin care effect is good. Experiments prove that the essence can significantly improve skin elasticity and reduce wrinkles, and has a significant anti-aging effect.

The invention discloses a polyurethane modified epoxy resin adhesive as well as a preparation method and application thereof, and the polyurethane modified epoxy resin adhesive is prepared from the following components in parts by mass: 7-10 parts of E51 type bisphenol A diglycidyl ether, 3.5 parts of a phenolic aldehyde amine T31 curing agent and 1-3 parts of synthetic polyurethane, the synthetic polyurethane is prepared from polyether triol, polyether amine, isophorone diisocyanate and glycerol carbonate, and a blending system of the synthetic polyurethane and bisphenol A diglycidyl ether is adopted to be subjected to covalent crosslinking with phenolic aldehyde amine T31, so that the adhesive has high toughness and strength guarantee; the synthetic polyurethane prepared by the method is obtained through simple, green and efficient solvent-free synthesis, and the synthesized product has certain fluidity at room temperature, so that the subsequent stirring preparation process of an adhesive is facilitated. And a solvent-free synthesis method is adopted, so that the use of a toxic organic solvent in the traditional polyurethane synthesis process is avoided, and the synthesis process is greener.

A polyurethane composition with stable matt surface and good chalking resistance, which is suitable for use as a sealant and / or an adhesive for sealing and / or bonding, preferably for gap-filling, particularly in construction and manufacturing industries. The polyurethane composition includes:—a polyurethane prepolymer containing an isocyanate group, including a MDI-based prepolymer synthesized from a polyether diol and a polyether triol with MDI, and a TDI-based prepolymer synthesized from a polyether diol and a polyether triol with TDI; and —a phenyl alkyl sulfonate in an amount of 12-25 wt %, preferably 18-25 wt %, based on the total weight of the composition.

The invention belongs to the field of personal care, and particularly relates to a glycoside derivative flexible liposome and a preparation method and application thereof, the glycoside derivative flexible liposome comprises a main shell material, a humectant, a wrapped raw material, an auxiliary shell material, a preservative and a solvent; the main shell material is phosphatidylcholine, and the auxiliary shell material is polyquaternium-51; the preservative is any one or more of 1, 2-hexanediol, p-hydroxyacetophenone, methylparaben, phenoxyethanol and caprylyl glycol; the moisturizing agent is butanediol; the wrapped raw material is hydroxypropyl tetrahydrofurantriol; the solvent is deionized water. According to the invention, the permeability and penetration depth of the glassine and the concentration of the glassine at a target position are improved by utilizing a flexible liposome wrapping technology, the bioavailability of the glassine is improved, and the addition amount is reduced under the condition of realizing the same tightening and anti-wrinkle effects, so that the cost is reduced.

The present application discloses a one-component solvent-free epoxy-modified polyurethane waterproof coating, its preparation method and a waterproof product. The coating comprises the following raw material components in parts by weight: polyether diol, 100 parts by weight; polyether triol, 30 - 80 parts by weight; epoxy vegetable oil plasticizer, 80 - 120 parts by weight; pigments and fillers, 200 - 350 parts by weight; diisocyanate, 14 - 20 parts by weight; modified epoxy resin A, including a terminal epoxy group and an epoxyalkyl acrylate monomer-derived chain segment, 9 - 17 parts by weight; hydroxyoxazoline, 2 - 11 parts by weight, and the hydroxyoxazoline is an oxazoline compound containing one active hydroxyl group; active diluent, 70 - 100 parts by weight; defoamer, 1 - 3 parts by weight; dispersant, 0.1 - 0.5 parts by weight; latent curing agent, 12 - 41 parts by weight; catalyst, 0.4 - 1.8 parts by weight. The above coating can effectively improve the problem of poor adhesion strength retention rate of traditional polyurethane waterproof coatings after being soaked in water, and the product has excellent performance.

The invention relates to the technical field of anti-yellowing, in particular to anti-yellowing lining cloth with a hot melt coating and a preparation method of the anti-yellowing lining cloth. Composite carbon dots, an anti-yellowing agent and a composite chitosan solution are adopted to prepare finishing liquid for finishing the lining cloth; the preparation method comprises the following steps: selecting furfural and urea as a carbon source and a nitrogen source, performing one-step hydrothermal synthesis to obtain a nitrogen-doped furfural-based carbon dot, and grafting an amino-terminated polyimidazolium salt antibacterial compound to obtain a composite carbon dot; wherein the amino-terminated polyimidazolium salt antibacterial compound is an amino-terminated halogen-free polyimidazolium salt antibacterial compound which is prepared by taking ethylenediamine, butyric acid, glyoxal and formaldehyde as raw materials based on amine-aldehyde polycondensation and has good biocompatibility; the preparation method comprises the following steps: by taking polybutylene adipate, toluene diisocynate and isophorone diisocyanate as main monomers, polypropylene oxide triol as a crosslinking monomer, 2, 2-dimethylolpropionic acid and 4, 4 '-diaminodiphenyl disulfide as chain extenders and composite carbon dots as an end-capping reagent, adding water and emulsifying to obtain the waterborne polyurethane hot melt adhesive.

A mold-proof polyurethane composition, and a preparation method therefor and a use thereof. The composition comprises at least one polyether-based polyurethane prepolymer, at least one plasticizer, at least one mold-proof agent selected from organic mold-proof agents free of active H, and at least one inorganic filler. The polyether-based polyurethane prepolymer is a reaction product or a mixture of reaction products of at least one polyether polyol and at least one aromatic polyisocyanate, wherein the at least one polyether polyol comprises at least one polyether diol and at least one polyether triol and the weight ratio of the at least one polyether triol to the at least one polyether diol is in a range of 4:1 to 13:1. The composition can be particularly used for mold-proof bonding or sealing of a structure in the building field or can be used for mold-proof bonding or sealing of a surface of a product.

The invention relates to a degradable high-strength medical adhesive and a preparation method and application thereof.The medical adhesive is prepared from raw materials through reaction, the raw materials comprise a component A, a component B and a component C. The component A is trihydric alcohol and derivatives thereof and / or trihydric alcohol modified by polyethylene glycol carboxylic acid derivatives and derivatives thereof, and the component C is trihydric alcohol modified by polyethylene glycol carboxylic acid derivatives and derivatives thereof. The component B is isocyanate, amino acid or an amino acid derivative, and the component C is N-methyldiethanolamine and / or bis (2-ethoxyl)-N-methyl-N-trifluoromethyl ammonium iodide and a derivative of the bis (2-ethoxyl)-N-methyl-N-trifluoromethyl ammonium iodide; the molar ratio of-NCO groups in the component B to total-OH groups in the component A and the component C is 2: 1, and the molar ratio of the component A to the component C is (1-9): 2. The component A and the component C are mixed, heated and dissolved, then a catalyst and the component B are added, and a mixed reaction system is obtained; and cooling after the reaction is completed, adding a rheology modifier, a foaming catalyst and a stabilizer, and uniformly mixing to obtain the degradable high-strength medical adhesive which can be applied to a functional composite material.

The invention discloses slow-rebound polyurethane sponge for an automobile and a preparation method of the slow-rebound polyurethane sponge, and belongs to the field of preparation of polyurethane sponge for the automobile. Raw materials comprise hollow glass beads, short carbon fibers, hydrophobic nano silicon dioxide, a silane coupling agent, polyether triol, modified MDI, deionized water, a catalyst, silicone oil, an antioxidant, epoxy silane, grafted polyether, clay, absolute ethyl alcohol, a dispersing aid and a stabilizer, and the raw materials are treated. According to the slow-rebound polyurethane sponge for the automobile and the preparation method of the slow-rebound polyurethane sponge, composite reinforced particles containing hollow glass beads, short carbon fibers and hydrophobic nano silicon dioxide are prepared and added into the sponge to form three supporting force areas, differential supporting is achieved, collapse is prevented, and materials are saved; and meanwhile, the transition area is arranged, so that smooth connection can be achieved, and stability, comfort and durability are improved.

The invention relates to the field of high polymer materials, and particularly discloses a flame-retardant polyurethane foaming filler and a preparation process thereof. The flame-retardant polyurethane foaming filler is prepared from the following raw materials in parts by weight: 300 to 400 parts of a white material composition, 220 to 250 parts of a black material, 60 to 70 parts of dimethyl ether and 75 to 80 parts of propane and butane, and the white material composition is prepared from the following raw materials in parts by weight: 95 to 105 parts of polyether glycol, 130 to 150 parts of polyether triol, 30 to 45 parts of a foam stabilizer, 12 to 18 parts of a catalyst, 460 to 500 parts of a plasticizer and 210 to 250 parts of a flame retardant. The flame retardant comprises a phosphorus-based flame retardant and a phosphorus-nitrogen-based flame retardant in a mass ratio of 1: (0.5-0.6). The polyurethane foaming filler disclosed by the invention can be foamed on site to fill gaps in any shape, and has the advantages of uniform and fine foam holes, good flame-retardant effect, stable foam size after curing and high bonding strength.

The present invention provides an environmentally friendly slow-release compound fertilizer, aiming to provide an environmentally friendly slow-release compound fertilizer with controllable release rate and high cost-effectiveness. The compound fertilizer is composed of calcium magnesium phosphate fertilizer, urea, potash fertilizer, monoammonium phosphate, borax, zinc sulfate, glycine iron, ammonium molybdate, glycine copper, liquid ammonia, sulfuric acid, liquid paraffin and a slow-release agent, wherein the potash fertilizer is one or two of potassium sulfate and potassium chloride. The present invention also provides a preparation method of an environmentally friendly slow-release compound fertilizer, comprising four steps of preliminary coating, uniform mixing, secondary coating granulation and fluidized bed reaction film formation. The slow-release agent is composed of castor oil, polyoxypropylene triol, polymerized MDI and modified silicon dioxide, and the modified silicon dioxide is obtained by specific chemical treatment. The environmentally friendly slow-release compound fertilizer has the advantages of uniform nutrient release, long effective release period, and environmental friendliness, is suitable for improving fertilizer utilization and reducing environmental pollution, and has good market application prospects.

The present invention provides: a packaging material which is excellent in terms of breaking resistance and easy tearability; a polyisocyanate composition which is suitable for the manufacturing of this packaging material; and an adhesive.　The present invention specifically provides a polyisocyanate composition (X) which contains a polyisocyanate compound (A), wherein: the polyisocyanate compound (A) contains 60 mass% or more of a bifunctional polyisocyanate compound (A1) that is derived from a non-aromatic diisocyanate; a polyol mixture contains 70 ± 1 mass% of a polypropylene diol that has a hydroxyl value-based number average molecular weight of 415 ± 20 and 30 ± 1 mass% of a polypropylene triol that has a number average molecular weight of 415 ± 35; a coating film, which is obtained by curing with the molar ratio [NCO] / [OH] of the isocyanate groups of the polyisocyanate compound (A) to the hydroxyl groups of the polyol mixture being 1.3 ± 0.1, has an elongation at break of 30% or more as determined at a tensile rate of 200 mm / minute at 25°C and a humidity of 40%.

The invention discloses solvent-free polyurethane resin for automobile leather and a preparation method and application thereof, and relates to resin for coating parts and seats in the fields of automobiles and the like, the resin comprises a component A and a component B. The component A is prepared from long-chain alkyl modified organic silicon polyether glycol, polyether glycol, polyether triol, a chain extender, a catalyst and a flame retardant, and the component B is prepared from a component C and a component B. The component C is prepared from long-chain alkyl modified organic silicon polyether glycol, polyether glycol, polyether triol, a chain extender, a catalyst and a flame retardant. The component B is prepared from organic silicon modified polyether glycol, polyether triol and diisocyanate; the component A and the component B are mixed according to the weight ratio of (100: 60)-(100: 80) to obtain the resin. The resin overcomes the defects in the aspects of coating performance, thermal tensile property, curing performance and the like of automobile leather, and has good peel strength, cold resistance, hydrolysis resistance and high temperature resistance.

The invention relates to a three-factor liposome as well as a preparation method and application thereof in skin-nourishing air cushion cream. The three-factor liposome is prepared from the following components in percentage by mass: 0.5 to 4 percent of hydrogenated lecithin, 30 to 70 percent of glycerol, 5 to 15 percent of grease, 0.1 to 0.5 percent of cholesterol, 1 to 10 percent of bose, 1 to 10 percent of Ectoine, 0.05 to 0.5 percent of ergothioneine, 0.1 to 1 percent of bisabolol, 0.1 to 1 percent of auxiliaries and the balance of solvent. The glassine is selected from one or two of S-type hydroxypropyl tetrahydropyrantriol and R-type hydroxypropyl tetrahydropyrantriol. The invention further discloses a preparation method of the glassine. The product disclosed by the invention is narrow in particle size distribution and higher in percutaneous absorption rate, can exert higher effects of relieving and repairing skin barrier and moisturizing and moisturizing than a common three-factor product, can help to maintain makeup, resist darkness and oxidation while nourishing the skin, overcomes the defects in the prior art, has great technical perspectiveness and market tonality, and has a good application prospect.

The invention relates to a composition for a suspension chain modified PSE elastomer, the suspension chain modified PSE elastomer and a preparation method of the suspension chain modified PSE elastomer, and belongs to the technical field of high polymer material science and engineering. The composition is prepared from 55 to 75 weight percent of PUSH resin, 14 to 25 weight percent of bisphenol A epoxy resin, 0.3 to 1 weight percent of accelerant and 10 to 25 weight percent of draping chain compound, the drape chain compound is selected from at least one of phenyl glycidyl ether, C12 to C14 glycidyl ether and cardanol glycidyl ether; wherein the PUSH resin is obtained by polymerizing isocyanate, a combination A and 2, 2 '-(1, 2-ethanedioxy) diethanethiol according to a molar ratio of 1: (0.4-0.6): (0.9-1.1), and the combination A is prepared from polypropylene glycol and polyether triol according to a molar ratio of 1: (0.3-4). The overhanging chain modified PSE elastomer provided by the invention has excellent comprehensive damping performance and especially has a wider damping temperature range.

The invention belongs to the technical field of skin repair, and particularly relates to a natural skin repair composition which is prepared from isosorbide dimethyl ether, hydroxypropyl tetrahydropyrantriol, ferulic acid, a dandelion extract, a chamomile extract, sodium hyaluronate, Ectoine, squalane, tartaric acid and water, and a specific preparation method is provided. According to the skin repairing composition, the defects of an existing skin repairing composition are overcome, the isosorbide dimethyl ether is used for permeation, the hydroxypropyl tetrahydropyrantriol is brought into a corium layer and an epidermal layer, the three-dimensional hyaluronic acid repairing and protecting effect of internally promoting external coating is formed in cooperation with the ectoine, the sodium hyaluronate and the squalane, and the excellent skin repairing effect is achieved.

The invention discloses a method for preparing a liquid polyurethane curing agent from chain extender residues, which comprises the following steps of: carrying out transesterification on excessive micromolecular diol or a mixture of diol and triol and p-aminobenzoic acid lower alkyl ester substances in the chain extender residues in low-viscosity low-molecular-weight polyether polyol; a monofunctional substance is converted into a product with the functionality of 2-3, and the environment-friendly liquid curing agent composition obtained after the reaction can be used for a bi-component solvent-free elastic polyurethane system independently or together with other chain extenders. According to the method, the chain extender residues are developed and recycled on the basis of analyzing the components of the chain extender residues, waste is turned into wealth, pollution to the environment caused by solid waste formed by the chain extender residues is avoided, the production cost of enterprises is reduced, and the requirements of green and clean production are met.

The invention belongs to the technical field of polyurethane materials, and particularly relates to a compression-resistant and shear-resistant polyurethane material for an expressway bridge support and a preparation method of the compression-resistant and shear-resistant polyurethane material. The water-based polyurethane resin is prepared from a component A and a component B, the component A comprises polyether glycol, a micromolecular chain extender, an anti-hydrolysis agent, a catalyst and an inorganic filler, the component B comprises polyether triol, polyether glycol and diisocyanate, and the polyether glycol is polytetrahydrofuran ether glycol with the number-average molecular weight of 2000g / mol; the polyether trihydric alcohol is polyether trihydric alcohol with the number-average molecular weight of 494 g / mol, and the polyether trihydric alcohol is prepared through a reaction of trimethylolpropane and tetrahydrofuran. According to the invention, polyether triol prepared by reaction of trimethylolpropane and tetrahydrofuran is used as a raw material of the component B, so that the pressure resistance and crystallization resistance of the material can be improved while better shear modulus, mechanical strength, low-temperature flexibility and hydrolysis resistance of the traditional PTMG type polyether are maintained, the use temperature range is enlarged, and the service life of the material is prolonged.

The invention provides an anti-wrinkle firming face cream and a preparation method and application thereof, and the anti-wrinkle firming face cream comprises the following components in percentage by mass: 4-20% of emollient, 2-9% of humectant, 0.5-3% of anti-wrinkle agent and the balance of solvent, the emollient comprises a plant extract; the plant extract comprises a citrus fruit extract, a burdock root extract, a phellinus linteus extract, a centella asiatica extract, a fig fruit extract, an apple fruit extract, a Kava pepper leaf / root / stem extract, a cocoa seed extract and a mussel extract; the humectant is prepared from glycerol, butanediol, betaine, sodium hyaluronate and trehalose; the anti-wrinkle agent is prepared from hydroxypropyl tetrahydropyrantriol. The anti-wrinkle and firming face cream provided by the invention is scientific in formula, and tests prove that the face cream has the effects of moisturizing, relieving, repairing, firming, resisting wrinkles, and being mild and non-irritating.

A composition comprises an —NCO component and an —OH component. The —NCO component comprises at least one polyurethane having at least two NCO end groups and optionally a polyisocyanate compound comprising at least one polyisocyanate P comprising at least three isocyanate functions NCO. The —OH component comprises a polybutadiene polyol P1 comprising at least two hydroxyl functions, said polyol P1 having a number-average molecular weight ranging from 1000 g / mol to 15 000 g / mol; a polyol P2 chosen from diols, triols, or mixtures thereof, a polyol P3 having a hydroxyl functionality of greater than or equal to 2, said polyol P3 being chosen from the group consisting of polyether polyols, polyols of natural origin, polyester polyols, and mixtures thereof, and at least one filler, the total content of filler(s) being greater than or equal to 30% by weight relative to the total weight of said —OH component.

The invention discloses anti-aging unsaturated polyester and a preparation method thereof, and relates to the technical field of anti-aging polyester. The preparation method comprises the following steps: step 1, preparing triol triazine; step 2: (1) sequentially adding part of dihydric alcohol, part of saturated dibasic acid or anhydride, part of unsaturated dibasic acid or anhydride, a catalyst and part of polymerization inhibitor into the reaction system, and reacting for a period of time; (2) cooling the reaction system, adding triol triazine, the rest dihydric alcohol, the rest saturated dibasic acid or anhydride and the rest unsaturated dibasic acid or anhydride, and continuously reacting for a period of time to obtain an unsaturated polyester prepolymer; and (3) cooling the reaction system, adding a diluent, a flame retardant and a polymerization inhibitor, stirring for a period of time, vacuumizing, and discharging to obtain the anti-aging unsaturated polyester. The prepared anti-aging unsaturated polyester has good 3D printability and excellent mechanical properties, aging resistance and flame retardance.

The invention discloses a skin-tightening anti-wrinkle essence and a preparation process thereof, and relates to the technical field of cosmetic preparation, and the preparation process comprises the following steps: obtaining animal umbilical cord tissue, culturing, collecting cell culture supernatant after culture, carrying out low-speed centrifugation to remove cells and dead cells, and carrying out concentration, filtration and sterilization through a tangential flow membrane technology to obtain the skin-tightening anti-wrinkle essence. The animal umbilical cord extract is obtained; the preparation method comprises the following steps: mixing the animal umbilical cord extract with water, butanediol, glycerol, hydroxypropyl tetrahydropyrantriol, 1, 2-hexanediol, trehalose, p-hydroxyacetophenone, allantoin, hydrolyzed sodium hyaluronate, sodium hyaluronate, tetrahydromethylpyrimidine carboxylic acid, xanthan gum and essence, homogenizing under a stirring condition, and standing for defoaming. By constructing an active stable microenvironment and an efficient transdermal delivery system, the technical problem that the animal umbilical cord extract serving as a core component is easy to inactivate and difficult to absorb is solved, and a faster and more stable skin structure remodeling effect is realized by utilizing the synergistic effect of the animal umbilical cord extract and functional components.

The invention relates to the technical field of polystyrene foam, in particular to bi-component polyurethane polystyrene foam based on a microencapsulation catalyst and a preparation method of the bi-component polyurethane polystyrene foam. The component A comprises polyether polyol, isocyanate and a modified nano composite system; the component B comprises polyether triol, a foaming agent and a microencapsulation catalyst, and the microencapsulation catalyst is dibutyltin dilaurate coated with a polyurea shell layer; a microencapsulation catalyst is introduced into the component B through a low-speed dispersion process before mixing, and a polyurea shell layer is broken through mechanical shear force during mixing to release dibutyltin dilaurate. The microencapsulation catalyst is broken during sizing, compared with a traditional catalytic system, the curing time is greatly shortened, silane coupling agent modified nano silicon dioxide and carbon nano tubes are introduced to synergistically enhance the filler, and the mechanical strength and aging resistance of the polystyrene foam are enhanced.

The invention provides a composition containing glaine and sodium mannose phosphate and application of the composition in functional skin care products. The composition is prepared from the following components in percentage by mass: 12 to 25 percent of hydroxypropyl tetrahydropyrantriol, 0.05 to 1 percent of sodium mannose phosphate, 0.001 to 0.01 percent of acetyl octapeptide-3, 0.1 to 0.5 percent of saccharomycetes / rice fermentation product filtrate, 0.01 to 0.15 percent of bifidus yeast fermentation product filtrate, 0.2 to 0.5 percent of lactobacillus / soybean milk fermentation product filtrate and the balance of water or other solvents. According to the composition, through synergistic matching of all the components, the composition can resist wrinkles, whiten the skin and brighten the skin color. The composition is used in skin care products, can effectively resist wrinkles, whiten and brighten skin, and enables the skin to keep a good state.

An adhesive device for biomedical applications is provided comprising a support and one or more water insoluble compounds of structure 1 wherein B is an oligomer derived from a polyester, polyether, polyalkylene glycol, polysilicone or polycarbonate with a MW<10,000 g / mol, Linker L is a urethane, urea bond, or amide bond; Linker L′ is a urethane or urea bond, A is a chain extender of Mw≤3000 g / mol comprising substituted or unsubstituted alkyl, cycloalkyl and / or aromatic groups, W is a terminal adhesive benzene-1,2-diol derivative or a terminal adhesive benzene-1,2,3-triol derivative, m is 0 or 1; and n is 0, 1, 2, 3 or 4 or a cross-linked polymer formed from said compounds. The compound(s) have a Tg lower than 25° C.

Hair Styling Compositions and Processes: The disclosure relates to compositions comprising (a) at least one sucrose ester; (b) at least one nonionic polysaccharide thickening agent; (c) at least one cationic surfactant; (d) at least one emulsifier selected from fatty alcohols, esters, or a combination thereof; (e) optionally, at least one C3-C8 polyol selected from diols and triols; and (f) optionally, at least one fatty compound. The compositions may be used as leave-in hair styling compositions. The disclosure also relates to kits comprising the compositions and processes for using the compositions. Figure for the abstract: Figure 1

The invention relates to the technical field of skin care essence, in particular to double-layer essence with an anti-aging effect and a preparation method thereof.The double-layer essence with the anti-aging effect is composed of a water phase layer and an oil phase layer; the water-phase layer is prepared from the following raw materials in percentage by mass: 3-8% of hydroxypropyl tetrahydropyrantriol, 0.1-0.5% of tetrahydromethylpyrimidine carboxylic acid, 0.01-0.1% of a pepper kava extract, 1-5% of lactobacillus / soybean milk fermentation product filtrate, 1-5% of vitamin C ethyl ether, 1-5% of acetylchitosamine, 3-8% of 1, 3-butanediol and the balance of water. The invention relates to an anti-aging mask which comprises the following components in percentage by weight: 1-10% of 1, 3-butanediol, 0.01-0.1% of sodium hyaluronate, 0.1-0.5% of a buffer system, 5-10% of glycerol and the balance of deionized The oil phase layer is prepared from the following raw materials: 0.5-2% of ascorbyl tetraisopalmitate, 11-44% of compound plant-derived grease and 0.05-0.3% of tocopheryl acetate, and the problems that existing essence oil is lack of a multi-dimensional synergistic anti-aging effect, and the stability and transdermal absorption efficiency of water-soluble active ingredients and oil-soluble ingredients are difficult to consider are solved.

The invention discloses self-crosslinking polyurethane resin and application thereof, and a single-component solvent-free polyurethane waterproof coating and a preparation method thereof. The coating comprises the following raw materials in parts by weight: 40-70 parts of polyether glycol; 30 to 50 parts of polyether triol; 70 to 120 parts of a plasticizer; 10 to 20 parts of epoxy resin; 140 to 220 parts of pigment and filler; 0.1 to 0.5 part of a dispersant; 1 to 2.5 parts of a defoaming agent; 20 to 30 parts of diisocyanate; 0.5 to 1.5 parts of a catalyst; and 10-18 parts of modified resin, and the modified resin is prepared by reacting a diamine compound with a hydroxyl-containing aldehyde compound and / or a hydroxyl-containing aldehyde compound. According to the single-component solvent-free polyurethane waterproof coating and the preparation method, the physical performance of a coating film of the coating can be improved, the VOC volatilization amount of the single-component solvent-free polyurethane waterproof coating can be effectively reduced, and air holes can be prevented from being generated in the coating film of the coating.