479 results about "Acetophenone" patented technology

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 provides an anti-hair-loss and hair-growing product containing plant extract components and a preparation method thereof, and relates to the field of wash supplies, the anti-hair-loss and hair-growing product is prepared from the following raw materials by weight: 50-80 parts of water, 5-10 parts of propylene glycol, 1-5 parts of 1, 3-propylene glycol, 1-5 parts of 1, 3-propylene glycol, and 1-5 parts of 1, 3-propylene glycol. The composition is prepared from the following components in parts by weight: 0.1 to 1 part of 1, 2-pentanediol, 0.1 to 1 part of pyrrolidinyl diaminopyrimidine oxide, 0.1 to 0.5 part of diaminopyrimidine oxide, 0.01 to 0.02 part of caffeine, 0.01 to 0.1 part of adenosine, 0.05 to 0.2 part of vitamin B6, 0.01 to 0.5 part of biotin tripeptide-1, 0.1 to 1 part of dipotassium glycyrrhizinate, 0.02 to 0.05 part of ethylenediamine tetraacetic acid, 0.1 to 1 part of D panthenol, 0.2 to 1 part of p-hydroxyacetophenone, 0.01 to 1 part of 1, 2-pentanediol, 0.1 to 1 part of 1, 2-pentanediol, 0.1 to 1 part of 2, 2-pentanediol, 0.1 to 1 part of 2, 2-pentanediol, 0.1 to 1 part of 2, 2- The composition comprises the following components in parts by weight: 1-2 parts of 1, 2-hexanediol, 0.1-0.5 part of citric acid, 1-2 parts of 1, 3-butanediol, 0.01-1 part of NMN and 3-5 parts of a plant extract. According to the present invention, the extraction method of the plant extract in the raw materials is specifically adjusted so as to significantly reduce the content of the pigment and the odor substance in the extract, such that the obtained hair growing liquid has characteristics of good hair growing effect, light color and light drug taste, can be easily accepted by consumers, and is suitable for large-scale promotion and application.

The present invention discloses a strong, non-toxic, antibacterial and antiviral nano-functional material and a preparation method thereof. The nano-functional material is green, non-toxic and harmless, and its antibacterial and antiviral effect can reach more than 99%. The new nano-material innovatively uses the natural antibacterial agent meta-dichlorostyrene meta-dichloroacetophenone as the main body of the material to exert its antibacterial and antiviral effects. This makes the new nano-material not only have extremely strong antibacterial and antiviral effects, but also as a natural antibacterial agent, when it is used as a textile material, it can be non-toxic and harmless to the human body, green and healthy. It has a better inhibitory effect on both Gram-negative and Gram-positive bacteria than nano-copper oxide and meta-dichlorophenylethanol and meta-dichloroacetophenone. The present invention also provides a preparation method for the nano-functional material, which includes chemical reaction processes such as boron hydrolysis reaction, catalytic oxidation reaction, electrocarboxylation reaction, and esterification reaction.

The present invention relates to detergents and cleaning compositions that comprise a surfactant, an anti-redeposition agent, and an effective amount of 1,2-heptanediol and / or 2,3-heptanediol or a specific type of anti-redeposition boosting agent, such as alkanediols, glyceryl caprylate, 4-hydroxyacetophenone, ethyl hexyl glycerin or tropolone, and the use of said detergents and cleaning compositions for the preparation of a detergent and cleaning product for household, institutional and industrial application. Furthermore, the present invention relates to a method of treating a stained and / or soiled substrate, using the detergents and cleaning compositions according to the present invention. Additionally, the present invention relates to the use of 1,2-heptanediol and / or 2,3-heptanediol or of specific substances as defined herein for boosting the activity of an anti-redeposition agent in a detergent and cleaning composition and / or for improving cleaning performance of a detergent and cleaning composition. Moreover, the present invention relates to a method of boosting the activity of an anti-redeposition agent in a detergent and cleaning composition and / or of improving cleaning performance of a detergent and cleaning composition by adding an effective amount of 1,2-heptanediol and / or 2,3-heptanediol or of specific anti-redeposition agents, such as alkanediols, glyceryl caprylate, 4-hydroxyacetophenone, ethyl hexyl glycerin or tropolone to said detergent and cleaning composition. Finally, the present invention relates to the use of 1,2-heptanediol, 2,3-heptanediol or a mixture comprising 1,2-heptanediol and 2,3-heptanediol or at least one anti-redeposition boosting agent, such as alkanediols, glyceryl caprylate, 4-hydroxyacetophenone, ethyl hexyl glycerin or tropolone as anti-redeposition agent.

The present application relates to the field of cosmetic technology, in particular to a quick-drying and shaping spray and a preparation method thereof, in particular to a hair styling product which is quickly dried, permanently shaped and has hair care effect through the synergistic effect of specific film-forming agents and volatile systems, comprising the following components: ethanol 30-50%, aminomethyl propanol 0.1-1%, butanediol 1-5%, octyl acrylamide / acrylate / methyl acrylate copolymer 5-15%, PEG-12 dimethicone 0.5-2%, keratin 0.1-2%, hydrolyzed keratin 0.1-2%, oxidized keratin 0.1-2%, aloe barbadensis leaf extract 0.5-3%, selaginella kurata extract 0.5-3%, radix falatoniae extract 0.5-3%, radix salviae miltiorrhizae extract 0.5-3%, water 20-40%, essence 0.1-2%, cetrimonium chloride 0.1-1%, phenoxyethanol 0.5-1.5%, propylene glycol 1-5%, p-hydroxyacetophenone 0.5-1.5%, chlorphenesin 0.1-0.5%, ethylhexylglycerin 0.5-1.5%.

The invention discloses preparation and application of a reductive amination catalyst. The preparation method of the catalyst comprises the following steps: step 1, preparing an SrTiO3 carrier; step 2, loading a nickel source into the prepared SrTiO3 carrier to form a nickel-loaded SrTiO3 catalyst precursor; and step 3, roasting the SrTiO3 catalyst precursor to obtain the SrTiO3 loaded nickel catalyst. Large-scale production of the non-noble metal catalyst is realized by adopting a co-precipitation method and an impregnation method which are simple in process and environment-friendly under the condition of room temperature, the obtained material can be used for reductive amination reaction of acetophenone under the condition of taking water as a solvent and shows excellent catalytic performance, and after 50 times of application, the acetophenone conversion rate is gt; the selectivity of alpha-phenylethylamine is gt; the selectivity of the alpha-phenethyl alcohol is 1t; and 2%.

The invention relates to a catalyst for preparing acetophenone by efficiently catalyzing selective oxidation of ethylbenzene in a hydrocarbon selective oxidation reaction, especially under a mild condition, a preparation method of the catalyst, and application of the catalyst provided by the invention. According to the catalyst for catalyzing selective oxidation of ethylbenzene to prepare acetophenone, monatomic Fe is anchored on a nitrogen-doped carbon carrier through a Fe-Nx coordination bond, the Fe content is 4-23 wt%, the BET specific surface area is 200-500 m / g, and Fe exists in Fe < + > and Fe < + > valence states. The catalyst can be used for preparing acetophenone through selective oxidation of hydrocarbons and has the advantages of being high in catalytic performance, stable in structure and good in substrate universality.

The invention discloses an anti-ultraviolet functional plastic particle and a preparation method thereof, and belongs to the technical field of polymer modified materials. The plastic particles are prepared from polyolefin resin subjected to organic silicon-phenolic hydroxyl synergistic grafting modification, 2, 4-dihydroxyacetophenone, an antioxidant, a hindered amine light stabilizer, a lubrication dispersant and an anti-yellowing agent. A siloxane-phenolic hydroxyl bifunctional chain segment is introduced into the surface of a molecular chain of the polyolefin resin subjected to organic silicon-phenolic hydroxyl synergistic grafting modification, so that a flexible-rigid synergistic interface layer is formed; the 2, 4-dihydroxyacetophenone has a hydroxyl and carbonyl conjugated structure and can form hydrogen bond complexation with a matrix, so that free radical degradation is effectively inhibited. The preparation method disclosed by the invention comprises the following three steps: grafting reaction of polyolefin resin subjected to organic silicon-phenolic hydroxyl synergistic grafting modification, high-speed mixing and melt blending granulation. Tests show that after the plastic particles are subjected to 365nm ultraviolet radiation for 500h, the tensile strength retention rate exceeds 94%, the chromatic aberration delta E is less than or equal to 1.5, the oxidation induction time is prolonged to 55min, and the plastic particles have excellent ultraviolet aging resistance, yellowing resistance and thermal oxidation stability.

The invention relates to a urine metabolism combined marker for diagnosing bladder cancer and a screening method of the urine metabolism combined marker. The urine metabolism combined marker is prepared from 2-methyl furan, dimethyl disulfide, octylene and acetophenone. The method for screening the urine metabolism combined marker comprises the following steps: carrying out chromatographic separation and mass spectrometry detection on a urine sample on the basis of a headspace automatic sampler in combination with a chromatographic column and a photochemical ionization time-of-flight mass spectrometry, preprocessing mass spectrometry data, and extracting spectrum peak data of metabolites in urine; the urine metabolism combination marker for diagnosing bladder cancer is obtained through further statistical analysis. The screening method of the urine metabolism combined marker for diagnosing the bladder cancer has the advantages of non-invasiveness, high-throughput detection, simplicity in operation and accurate result, and has a wide application prospect.

The invention provides mint hydrogel for diminishing inflammation and relieving itching and a preparation method thereof. The hydrogel is prepared from 10 to 30 parts of herba menthae extract, 5 to 15 parts of melaleuca alternifolia leaf water, 15 to 25 parts of aloe vera gel, 8 to 15 parts of glycerol, 2 to 6 parts of essential oil compound, 1 to 4 parts of sweet-scented osmanthus extract, 1 to 5 parts of artemisia indica extract, 0.1 to 0.5 part of cross-linking agent, sucrose stearate, sorbic anhydride olivic acid, p-hydroxyacetophenone and the like. The essential oil compound is subjected to beta-cyclodextrin / sodium alginate double-embedding treatment, and the cross-linking agent is chitosan grafted hyaluronic acid. The preparation process comprises the steps of composite water phase preparation, essential oil activation, gradient mixing of extracts, cross-linking reaction, high-pressure homogenization, gradient photocuring and the like. Tests show that the maximum anti-inflammatory swelling inhibition rate of the hydrogel reaches 68.9%, the maximum itching relieving rate of the hydrogel reaches 80.6%, the anti-inflammatory and itching relieving effects can be effectively achieved, and the performance of the hydrogel is improved through the cooperation of all the raw materials and the technology.

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 present invention relates to the field of skin cosmetics, and in particular to a soothing, long-lasting, sun-protective isolation cream and its preparation method. The isolation cream's raw materials include butylene glycol, isododecane, polydimethylsiloxane, ethylhexyl salicylate, phenylbenzimidazole sulfonic acid, butyloctanol salicylate, diisopropyl sebacate, diisopropyl adipate, vinyl polydimethylsiloxane / polymethylsilane silsesquioxane crosspolymer, ethylhexyl triazone, p-hydroxyacetophenone, disteardimonium hectorite, aluminum hydroxide, Piper mesenteriae leaf / root / stem extract, Gentiana scabra extract, and water. The isolation cream prepared by the present invention has good soothing, long-lasting, and sun-protective effects, as well as excellent free radical resistance and moisturizing effects. It is easy to apply and can improve skin gloss to a certain extent.

The invention discloses a method and system for continuously synthesizing 2, 4-dichloroacetophenone, and the method for continuously synthesizing 2, 4-dichloroacetophenone comprises the following steps: S1, mixing m-dichlorobenzene and a catalyst to form a turbid liquid, and continuously inputting the turbid liquid into a tubular reactor; s2, enabling gas-phase acetyl chloride to pass through a micro-interface generator to form micron-sized microbubbles, continuously inputting the micron-sized microbubbles into a tubular reactor, and carrying out mixed reaction on the micron-sized microbubbles and the turbid liquid to obtain a mixed reaction liquid; and S3, continuously inputting the mixed reaction liquid and water into a hydrolysis reactor, and carrying out hydrolysis and separation to obtain 2, 4-dichloroacetophenone. According to the invention, the traditional kettle type stirring reaction is changed into micro-interface reaction, and the mass transfer area and the total mass transfer rate among multiple phases can be multiplied, so that the reaction rate is greatly improved, the side reaction is effectively controlled, and meanwhile, the product yield, the reaction safety and the like are improved.

The present invention relates to detergents and cleaning compositions comprising a degreasing agent, an effective amount of a specific type of degreasing enhancer, such as an alkanediol having a carbon chain of 5 to 14 carbon atoms, glyceryl caprylate, 4-hydroxyacetophenone, ethylhexylglycerin, tropolone, or a mixture of the aforementioned degreasing enhancers, and a surfactant, as well as the use of the aforementioned detergents and cleaning compositions for preparing detergents and cleaning products for household, institutional and industrial applications. Furthermore, the present invention relates to methods for treating stained and / or soiled substrates using the detergents and cleaning compositions according to the present invention. In addition, the present invention relates to the use of specific enhancing substances, as defined herein, for enhancing the degreasing power of degreasing detergents and cleaning compositions and for improving the cleaning performance of degreasing detergents and cleaning compositions. Furthermore, the present invention relates to a method for enhancing the degreasing power of degreasing detergents and cleaning compositions and improving the cleaning performance of degreasing detergents and cleaning compositions by adding an effective amount of a specific degreasing enhancer, for example, an alkanediol having a carbon chain of 5 to 14 carbon atoms, glyceryl caprylate, 4-hydroxyacetophenone, ethylhexylglycerin, tropolone, or a mixture of the aforementioned degreasing enhancers, to the aforementioned detergents and cleaning compositions. Finally, the present invention relates to the use of at least one degreasing enhancer, for example, an alkanediol as defined herein, glyceryl caprylate, 4-hydroxyacetophenone, ethylhexylglycerin, tropolone, or a mixture of the aforementioned degreasing enhancers as defined herein, as a substitute for a degreasing agent and / or a solubilizer.

The invention relates to the technical field of cosmetics, and particularly discloses anti-wrinkle cream containing sequoia stem fermentation products and a preparation method of the anti-wrinkle cream. The wrinkle removing cream containing the sequoia stem fermentation product is prepared from the following raw materials in percentage by mass: a material A: glycerol, butanediol, p-hydroxyacetophenone YS028, an ammonium acryloyldimethyl taurate / VP copolymer, p-hydroxyacetophenone YS008 and the balance of water; the material B is prepared from cetostearyl alcohol, an emulsifying agent MONTANOV202, butyrospermum parkii butter, isopropyl myristate, C10-18 fatty acid triglyceride, polydimethylsiloxane, ethylhexyl palmitate and XIAMETERPMX-0345Z Fluid; the material C is prepared from a material D and a material E; the material C is prepared from a sequoia stem fermentation product, Naturalpenet 2020 and SEPIGEL305; the material D is prepared from YONOME SPE II, Alps mountain leucas, ULA-L1004 coated ceramide, anti-wrinkle base peptide, super-oinmetidyl-D2, Chinese prescription hexyl A powder, XYREPIOR, annoine TM, essence and methyl dihydrojasmonate; the material D is prepared from YONOME SPE II, Alps mountain leucas, ULA-L1004 coated ceramide, anti-wrinkle base peptide, super-oinmetidyl-D2, Chinese prescription hexyl A powder, XYREPIOR, annoine TM In addition, the preparation method has the advantage of improving the wrinkle removing effect of the wrinkle removing cream.

A process for producing 4-hydroxyacetophenone (4-HAP) comprises the steps of providing phenyl acetate and methanesulfonic acid (MSA) source; feeding the phenyl acetate and the MSA source into a reactor; and allowing the phenyl acetate and the MSA to react under conditions suitable for forming 4-HAP by Fries rearrangement to yield a 4-HAP containing phase.

The application discloses a kind of hydrophilic polyvinylidene fluoride oil-water separation membranes and preparation method thereof, belong to oil-water separation membrane technical field.The preparation method steps include: with 2,2-dimethoxy-2-phenyl acetophenone as photo initiator, 3,6-dioxane-1,8-octane dithiol and polyethylene glycol diacrylate as modifier, by photo initiation mercapto-olefin gradually polymerization method is modified to alkali treated PVDF membrane, and hydrophilic polyvinylidene fluoride oil-water separation membrane is prepared.The application is grafted to PVDF separation membrane surface by photo initiation mercapto-olefin gradually polymerization method, and hydrophilic separation membrane is obtained.The preparation method provided by the application has the characteristics of simple process, low cost and the like, and the prepared hydrophilic membrane can be further developed and utilized as sewage treatment separation membrane, hemodialysis membrane.

The present application relates to a kind of chalcone amide alpha-glucosidase inhibitors and its preparation and application, the inhibitor structural formula is: preparation method specifically is (1) after 2-hydroxyacetophenone, sodium hydroxide and methyl p-formylbenzoate are reacted, intermediate in formula (a) is obtained after post-processing;(2) intermediate in formula (a) is dissolved in organic solvent and potassium hydroxide is reacted, after reaction, intermediate in formula (b) is obtained after post-processing;(3) intermediate in formula (b) and substituted aniline are dissolved in organic solvent, after reaction, the inhibitor shown in formula (c) is obtained after post-processing.Compared with prior art, the compound of the present application is novel, and experiments show that it has good alpha-glucosidase inhibitory activity, and can be used for preparing alpha-glucosidase activity inhibiting drug.

The application relates to the field of CO2 utilization and storage technology, and discloses a double Mannich base corrosion inhibitor as well as a preparation method and application thereof. The method is carried out under the condition that the pH is 3-4; the method comprises the following steps: (1) in the presence of ethanol, a compound shown in formula (A) is subjected to a first reaction with 1,3,5-trioxane to obtain an intermediate product; in formula (A), R is -(CH2)7CH=CH(CH2)7CH3; (2) in the presence of ethanol, the acetophenone is added dropwise into the intermediate product to carry out a second reaction, so that the double Mannich base corrosion inhibitor is obtained; the dropwise speed of the acetophenone is 0.0125-0.05 mL / s relative to 1 mol of the compound shown in formula (A); wherein the molar ratio of the compound shown in formula (A), the acetophenone and the 1,3,5-trioxane is 1:2.0-2.3:2.0-2.3. Formula (A).

The invention relates to the technical field of ceramic materials, and provides a high-strength protective plate for a ceramic slurry pump and a preparation method of the protective plate. The invention discloses a high-strength ceramic protection plate for a slurry pump. The high-strength ceramic protection plate comprises the following raw materials in parts by weight: 85-95 parts of silicon carbide, 3-5 parts of modified silicon carbide whiskers, 4-6 parts of petroleum coke powder, 6-8 parts of a binder, 3-8 parts of a sintering aid, 3-5 parts of a dispersant and 50-60 parts of water. Wherein the modified silicon carbide crystal whiskers are obtained by modifying silicon carbide crystal whiskers with 3-amino-2-hydroxyacetophenone. According to the technical scheme, the problem that the strength of the ceramic slurry pump protection plate is insufficient in the prior art is solved.

The invention relates to the technical field of cosmetics, in particular to a method for improving the stability of a sialic acid-p-hydroxyacetophenone solution. The method comprises the following steps: mixing p-hydroxyacetophenone with a stabilizer, and then mixing with sialic acid to obtain sialic acid-p-hydroxyacetophenone mixed liquor; the stabilizer is sulfite and / or hydrosulfite, and the addition amount of the stabilizer is 0.005%-0.2% by mass. Aiming at the problems of discoloration of sialic acid-p-hydroxyacetophenone solution and loss of sialic acid, the invention provides a method, all the raw materials are mixed according to a specific sequence on the basis of a specific stabilizer through a specific processing technology, the stability of the obtained solution is remarkably improved, the solution does not discolorate after being placed for a long time, the loss rate of sialic acid is low, and the method is suitable for industrial production. The method has important application value in the field of production of cosmetics containing sialic acid at the same time.

The invention discloses a photochromic TiO2-PEG200 (Polyethylene Glycol 200) nano particle and an application of the photochromic TiO2-PEG200 nano particle in photocatalytic oxidation of a C-H bond. The catalyst is synthesized through a solvothermal method, PEG200 is used as a solvent and a modifier, and self-doped Ti < 3 + > and surface oxygen vacancies are introduced into TiO2. Under the irradiation of blue light (405nm), the catalyst generates a photochromic effect, Ti < 4 + > is reduced into high-concentration Ti < 3 + > in situ, and meanwhile, a large amount of superoxide free radicals (O < 2 + >) are generated. A photo-generated hole directly activates an ethylbenzene alpha-C-H bond to generate a benzyl free radical, and the benzyl free radical reacts with a superoxide free radical (O2.) and is finally converted into acetophenone. The catalyst has excellent visible light response and charge separation efficiency, and the acetophenone yield is up to 56 mmol.g <-1 >. H <-1 > and is 10 times that of traditional TiO2. The reversible circulation of Ti < 3 + > / Ti < 4 + > enables the catalyst to maintain good stability, and the activity is still maintained at 95% or above after five times of circulation. The operation conditions are mild (room temperature and normal pressure), a strong oxidant is not needed, an efficient, stable and environment-friendly photocatalysis solution is provided for C-H bond activation, and the method has important application value in the field of fine chemical synthesis.

The invention relates to the technical field of CO2 utilization and storage, and discloses a bis-Mannich base corrosion inhibitor as well as a preparation method and application thereof. The method is carried out under the condition that the pH is 3-4. The method comprises the following steps: (1) in the presence of ethanol, carrying out first reaction on a compound as shown in a formula (A) and 1, 3, 5-trioxane to obtain an intermediate product; in formula (A), R is-(CH2) 7CH = CH (CH2) 7CH3; and (2) in the presence of ethanol, dropwise adding acetophenone into the intermediate product for a second reaction to obtain the bis-Mannich base corrosion inhibitor, the dropping rate of acetophenone is 0.0125-0.05 mL / s relative to 1 mol of the compound as shown in the formula (A); wherein the molar ratio of the compound shown in the formula (A) to the acetophenone to the 1, 3, 5-trioxane is 1: (2.0-2.3): (2.0-2.3). Formula (A).

The invention relates to the technical field of skin care products, in particular to an anti-inflammatory repairing skin care compound and a preparation method thereof. The anti-inflammatory repairing skin care compound is prepared from the following components in percentage by mass: 10 to 15 percent of ganoderma lucidum extract, 5 to 10 percent of ginseng extract, 2 to 3 percent of radix angelicae powder, 3 to 5 percent of aloe vera gel, 5 to 8 percent of 4D hyaluronic acid, 8 to 12 percent of glycerol, 0.2 to 0.5 percent of p-hydroxyacetophenone, 2 to 3 percent of palmitoyl tetrapeptide-7, 0.5 to 1.2 percent of allantoin, 0.5 to 1 percent of bisabolol, 2 to 4 percent of asiaticoside and 3 to 5 percent of functional additive, 1-2% of an antioxidant, 1-2% of a thickening agent, 0.5-1% of an emulsifier, 0.2-0.5% of a chelating agent and the balance of deionized water; the anti-inflammatory repair skin care compound prepared by the invention not only has excellent anti-inflammatory soothing and moisturizing effects, but also has good repair and anti-oxidation effects on the skin, so that the skin aging speed is delayed to a certain extent, and the product quality is effectively ensured.

The invention relates to a synthesis method of an allyl amine compound. According to the method, 2-methylquinoline or acetophenone derivatives are used as raw materials, a selective fluorine reagent Selectfluor is used as an accelerant, dimethyl sulfoxide and N 'N-dimethylacetamide are used as a mixed solvent, and the allyl amine series compounds are prepared with high yield. The preparation method has the advantages of being low in cost, easy to operate, green, free of pollution and the like, and has potential industrial application prospects. The method provides a green, cheap and convenient way for preparing the allyl amine derivative by using 2-methylquinoline or acetophenone compounds as initiators.

The application discloses a lanthanum-cobalt composite catalyst and a preparation method and application thereof. The lanthanum-cobalt composite catalyst is composed of La2O2SO4, Co4S3 and Co3O4. Co(NO3)2.6H2O, La(NO3)3.6H2O, urea and sodium dodecyl sulfate are dissolved in an isopropyl alcohol solution to form a reaction solution, a precursor is obtained through a solvothermal method, and the lanthanum-cobalt composite catalyst is prepared through calcination. The prepared catalyst is used for selectively oxidizing ethylbenzene into acetophenone under the condition that molecular oxygen is used as an oxidant and no solvent is used, and excellent catalytic performance is shown. The catalytic system meets the requirements of green chemical industry and sustainable development.

The invention discloses snowflake cream with pearly luster and a preparation process of the snowflake cream. The snowflake cream comprises the following raw material components: a phase A: water; butanediol; glycerol; methyl glucitol polyether-20; a polyacrylate cross-linked polymer-6; sodium hyaluronate; potassium hydroxide (90%); 4-hydroxyacetophenone; xanthan gum; phase B: caprylic / capric triglyceride; cetostearyl alcohol; stearic acid; a polydimethylsiloxane; squalane; simmondsia chinensis seed oil; mineral oil; and polyethylene glycol (PEG)-100 stearate. Glyceryl stearate; tocopheryl acetate; isononyl isononanoate; a phase C: 1, 2-hexanediol; carnosine; a centella asiatica extract; collagen; the snowflake cream has the advantages of uniform pearly luster texture and the advantages of traditional snowflake cream.

The application discloses a kind of tetraphenyl ethylene-chalcone derivative preparation and its application preparation and its application.The structure is as follows: the method includes: 4-(1,2,2-triphenyl ethenyl) acetophenone, aldehyde derivative, sodium hydroxide (provides alkaline condition, pH=8.3~8.5), is placed in anhydrous ethanol, under the condition that heating temperature is 80 DEG C, reflux reaction 12h, after reaction is ended, the functional organic material is separated and purified.The functional organic material synthesized according to the above method has larger conjugated system, and has significant pressure-induced color change characteristics.The functional organic material disclosed in the application has low preparation cost, simple operation, simple method, and the material shows significant pressure-induced color change characteristics, can be applied to pressure-induced color change, luminescent material, printing and dyeing, color printing and anti-counterfeiting technical field.

The application discloses a controllable visual carbon monoxide releasing agent and a preparation method and application thereof, the releasing agent is Fla and Cys P molecules, Fla molecules are prepared by taking N,N-dimethyl-p-phenylenediamine as raw material, and the Fla molecules are prepared by cyclization, selenium dioxide oxidation, then hydroxy aldehyde condensation with 2-hydroxyacetophenone ketone under alkaline conditions, and esterification after acryloyl chloride; the structure of the Fla molecules is broken after light irradiation, and CO molecules are released; Cys P can react with cysteine (Cys) to generate flavone molecules Fla, and the releasing agent realizes visual detection of cysteine (Cys) and controllable release of CO.