155 results about "Glyceryl monostearate" patented technology

A silicone rubber with UV aging resistance and low water absorption and its preparation method and application are provided. The preparation method uses a coupling agent KH570 and glyceryl monostearate to perform modified treatment on titanium dioxide to obtain modified titanium dioxide, uses a surface-modified coupling agent A171 and glyceryl monostearate to perform modified treatment on fumed silica to obtain modified fumed silica, and further performs subsequent treatment on methyl vinyl siloxane raw rubber, silicone oil, aluminum hydroxide, the modified fumed silica, the modified titanium dioxide, zinc oxide, α-alumina, a coupling agent KH560, a defoamer, iron oxide and a vulcanizing agent to obtain the silicone rubber. The silicone rubber prepared by the preparation method has low water absorption and excellent aging resistance, and its mechanical and electrical properties are also superior.

The invention belongs to the technical field of preparation of polyurethane elastomers, and discloses a water-resistant self-repairing polyurethane elastomer, a preparation method thereof and application of the water-resistant self-repairing polyurethane elastomer in a humidity sensor. The method comprises the following steps: S1, dissolving 4, 4 '-diaminodiphenylmethane and p-hydroxybenzaldehyde in absolute ethyl alcohol, and carrying out a Schiff base reaction to generate micromolecular MDOH with an imine bond structure, which is used as a chain extender of polyurethane; s2, reacting hydroxyl-terminated polybutadiene with isophorone diisocyanate at 60 DEG C to generate a prepolymer, and adding MDOH and glyceryl monostearate into the obtained prepolymer for chain extension; mDOH is introduced, so that the material has excellent self-repairing capability, and glyceryl monostearate is beneficial to further improving the self-repairing capability and water resistance. In addition, the humidity sensor based on the polyurethane elastomer can show good sensing performance.

The invention belongs to the technical field of polymer environment-friendly materials, and particularly relates to a PHA composite antibacterial material for food and tableware and a preparation method of the PHA composite antibacterial material. The composite material is prepared from the following components in parts by weight: 60 to 70 parts of PHA (Polyhydroxyalkanoate) base material, 20 to 24 parts of PLA (Polylactic Acid) base material, 3 to 4 parts of oligomeric D-lactic acid, 2 to 2.5 parts of ZnO-coated CNC (Computer Numerical Control) antibacterial particles, 4.5 to 5.5 parts of needle-like wollastonite powder, 3.5 to 5 parts of silane modified montmorillonite, 0.05 to 0.1 part of talcum powder, 0.3 to 0.4 part of rosemary extract, 0.6 to 0.9 part of chain extender, 0.4 to 0.5 part of D-sorbitol diglycidyl ether, 0.35 to 0.45 part of glyceryl monostearate and 0.3 to 0.4 part of antioxidant. The PHA base material is used for constructing a bearing framework, and the mechanical strength, the heat-resistant stability, the oil resistance and the long-acting antibacterial property are organically unified by combining the synergistic effect of multiple materials.

The present invention relates to a 2-(4-methylthiazol-5-yl)ethyl nitrate hydrochloride tablet, comprising 2-(4-methylthiazol-5-yl)ethyl nitrate hydrochloride, glyceryl monostearate and other oral solid excipients. The present invention not only solves the problems of sticking and corrosion to equipment during tableting by using glyceryl monostearate in the tablet, but also improves the stability of the product. The production process is simple and easy to control, and is suitable for mass production.

The invention discloses a polyurethane waterproofing agent containing long-chain alkane and a preparation method thereof, and when the polyurethane waterproofing agent is prepared, polydimethylsiloxane with high silicon-oxygen bond energy, low surface energy and molecular chain elasticity and glyceryl monostearate containing long-chain hydrophobic alkane groups are introduced into a polyurethane system; comprising the following steps: polymerizing TDI (toluene diisocynate), TMP (trimethylolpropane) and polydimethylsiloxane to obtain a prepolymer 1; the prepolymer 1 is subjected to a polymerization reaction with N-MDEA, diacetylmonoxime and GMS in the presence of a catalyst DBTDL, and a prepolymer 2 is obtained; acidifying the prepolymer 2 into salt to obtain a prepolymer 3; uniformly mixing the prepolymer 3 and deionized water, and carrying out self-emulsification through an emulsifying machine or by applying an instantaneous nano precipitation technology FNP to obtain a polyurethane emulsion containing long-chain alkane, so as to prepare the polyurethane waterproof agent containing long-chain alkane. The polyurethane waterproof agent prepared by using the FNP has smaller particle size, better stability and good waterproofness, can be continuously emulsified, and has a relatively great application prospect in the field of fabrics.

The present invention provides the use of a toad oil cream in preparing a drug for treating dermatitis, and relates to the field of medical technology. The toad oil cream is composed of toad oil and a matrix, and the toad oil is prepared according to the method of Chinese invention patent application CN117126696 A, and the matrix is ​​composed of cetostearyl alcohol, glyceryl monostearate, liquid paraffin, dimethicone, propylparaben, carbomer, glycerol, potassium lauryl phosphate, hyaluronic acid, methylparaben, triethanolamine and water. The toad oil cream obtained by the present invention can reduce the irritation of toad oil to the skin, improve the spreadability of toad oil, show good therapeutic effects on atopic dermatitis and contact dermatitis, and can be used to treat dermatitis.

The invention relates to cream for repairing radiodermatitis and a preparation method of the cream, and belongs to the technical field of biomedical skin treatment. The cream consists of the following components in percentage by weight: 8% of glycerin monostearate, 6% of stearic acid, 5% of white vaseline, 4% of liquid wax, 1-2% of tea tree oil, 1-2% of eugenol, 1-2% of vitamin E, 3% of trehalose, 8% of polyethylene glycol (PEG-400), 10% of glycerol, 0.5% of methylparaben, 1% of triethanolamine and the balance of purified water. According to the cream disclosed by the invention, the natural traditional Chinese medicine component eugenol and the natural substance vitamin E are utilized to synergistically enhance the anti-oxidation and bacteriostatic effects, and the tea tree oil, the trehalose and other effective components are utilized to repair radiodermatitis from multiple aspects of anti-inflammation, bacteriostasis, antioxidation, promotion of skin barrier repair and the like. The cream is simple in component, good in treatment effect, high in safety and convenient to produce and process, and can be popularized and applied to treatment of radiodermatitis.

The invention discloses durian ice cream and a preparation method thereof. The durian ice cream is prepared from the following raw materials in parts by weight: 52 to 58 parts of white granulated sugar, 13 to 17 parts of malt syrup, 18 to 22 parts of coconut oil, 48 to 52 parts of whole milk powder, 35 to 40 parts of single cream, 0.085 part of carotene, 47 to 52 parts of durian pulp, 18 to 22 parts of durian powder, 1.4 to 1.6 parts of guar gum, 0.4 to 0.6 part of CMC, 0.9 to 1.1 parts of locust bean gum, 0.45 to 0.55 part of glyceryl monostearate and 730 to 770 parts of drinking water. According to the preparation method of the durian ice cream, an HPP sterilization technology is innovatively applied to an ice cream process; the mouth feel of the finished durian ice cream is greatly improved, and the durian ice cream is finer and smoother; meanwhile, the ice cream is softer and better to bite. The durian ice cream containing pure durian pulp without durian essence is developed and produced domestically for the first time, consumers can eat delicious ice cream, the ice cream and durian industry are well demonstrated and guided, and the development of the industry is guided.

The invention discloses a deflocculating agent for concrete washed sand and a preparation method of the deflocculating agent. The deflocculating agent is prepared from 0.5 to 1 part of air entraining agent, 0.1 to 0.2 part of sodium lauryl sulfoacetate, 15 to 30 parts of sodium pyrosulfite, 20 to 32 parts of sodium thiosulfate, 0.5 to 1 part of triethanolamine, 35 to 49 parts of diquat, 2 to 5 parts of maltodextrin, 0.4 to 1 part of cellulose and 0.5 to 1 part of glyceryl monostearate. The anti-flocculating agent provided by the invention can play a role in suspension stabilization, prevents undesirable phenomena of system instability and fluidity reduction caused by particle aggregation, can effectively solve the undesirable problems of high concrete viscosity, insufficient slump retaining performance, easy segregation and bleeding and the like caused by a flocculating agent, effectively reduces the concrete viscosity, and improves the concrete quality. And the construction performance and the quality of hardened concrete are ensured.

The present invention relates to the technical field of konjac xerogel, discloses a preparation method of konjac composite xerogel with rapid swelling property, comprising the following steps: S1, preparation of slightly cross-linked konjac xerogel; S2, preparation of slightly cross-linked sodium carboxymethylcellulose xerogel: adding glyceryl monostearate to ethanol and heating, then adding sodium bicarbonate powder for dispersion, centrifugation after cooling; adding the obtained substance to an aqueous solution of cyclodextrin, then adding an aqueous solution of sodium carboxymethylcellulose, acid and initiator, heating reaction, after drying, slightly cross-linked sodium carboxymethylcellulose xerogel is obtained; S3, preparation of konjac composite xerogel: mixing slightly cross-linked konjac xerogel and slightly cross-linked sodium carboxymethylcellulose xerogel, namely obtaining konjac composite xerogel. The present invention contains a large amount of hydroxyl and carboxyl groups in two polymer chains, generates hydrogen bond interaction, and can effectively realize high swelling rate and rapid swelling of products.

The invention belongs to the field of traditional Chinese medicines, mainly relates to a traditional Chinese medicine ointment and a preparation process thereof, and particularly relates to a traditional Chinese medicine ointment for clearing heat, relieving cough and reducing sputum and a preparation process thereof. According to the invention, indigo naturalis, cortex lycii radicis, gypsum, scutellaria baicalensis, radix stemonae, tabasheer, raw ephedra, platycodon grandiflorum and lalang grass rhizome are used as a traditional Chinese medicine prescription, glycerin monostearate, paraffin, liquid paraffin, albolene, span 80, an OP emulsifier, chlorocresol and distilled water are used as auxiliary materials, bacillus megatherium CICC 24484 and aspergillus oryzae CICC2066 are used for carrying out synergistic fermentation on platycodon grandiflorum and lalang grass rhizome, and then decoction is carried out for multiple times. The traditional Chinese medicinal materials are more beneficial to exerting the effects, the traditional Chinese medicinal composition has important significance for treating symptoms such as cough and excessive phlegm caused by internal heat, and meanwhile, an unexpected effect of relieving asthma is shown due to synergistic fermentation.

The invention discloses a preparation method and application of an endothelium corneum gigeriae galli and angelica sinensis ointment, and relates to the technical field of traditional Chinese medicine, the endothelium corneum gigeriae galli and angelica sinensis ointment comprises the following raw materials in parts by weight: a medicine solution: 1-3g of angelica sinensis extract and 30-35 parts of endothelium corneum gigeriae An oil phase: 1-5 g of white vaseline, 1-5 g of glycerin monostearate, 10-14 g of stearic acid, 5-8 g of liquid paraffin and 3-6 g of wool fat; a water phase: 0.2 to 0.5 g of triethanolamine, 0.5 to 1 g of glycerin, and 0.1 to 0.5 g of ethylparaben; according to the endothelium corneum gigeriae galli and angelica sinensis ointment, endothelium corneum gigeriae galli and angelica sinensis materials are adopted, endothelium corneum gigeriae galli has the effects of healing sore, promoting tissue regeneration, removing blood stasis and the like, angelica sinensis has the effects of replenishing qi, enriching blood and promoting blood circulation to remove blood stasis, and skin wound healing and capillary regeneration can be effectively promoted, local blood circulation is improved, and inflammatory response is inhibited; meanwhile, the ointment is soft in texture and can absorb percolate and inhibit microbial infection; the method is convenient, economical, practical, good in stability and suitable for application and popularization.

Provided herewith is a micro-sized foaming pellets masterbatch composition for a weight-reduced controlled micro-foaming plastic product, which includes a thermoplastic carrier resin, a bi-component micro-foaming agent comprising a gas carrier and an acid carrier, an amphiphilic stabilizing agent selected from a fatty acid-modified salt, glycerol monostearate, or a combination thereof, and an adsorbing dispersant. The masterbatch composition is compatible with a broad processing temperature range to cater to the manufacture of a wide variety of plastic types with various base plastic resins, while allowing controlled micro-sized foaming in the plastic products, thereby enabling facile manufacture of microfoam plastic products with lower weight and good mechanical strength retention with low cost, high flexibility and regulatory compliance.

The invention discloses a foam template method oil gel prepared through bi-crosslinking and a preparation method thereof, and belongs to the technical field of fat substitute preparation. Soybean protein isolate, k-carrageenan and glyceryl monostearate are used as raw materials, a soybean protein isolate-k-carrageenan composite solution is formed through a physical crosslinking method, stable water-based foam is formed after high-speed homogenization, then the foam is subjected to vacuum freeze drying to form porous aerogel, and the porous aerogel is prepared. And then soaking in a glyceryl monostearate oil solution for full absorption, and standing at room temperature to obtain the bi-crosslinking foam template method oil gel. The oleogel disclosed by the invention not only has relatively strong oil holding capacity, but also has relatively high mechanical property and oxidation resistance, can simulate the temperature sensitivity of traditional fat, and can partially or completely replace solid fat to be applied to food.

The present invention relates to the technical field of polyurethane hydrophobic materials, and discloses a preparation method and application of a hydrophobically modified polyurethane nanocomposite material, comprising the following steps: (1) mixing polytetrahydrofuran, polypropylene glycol, and isophorone diisocyanate for reaction; (2) adding dihydroxy-terminated polydimethylsiloxane or glycerol monostearate to the reaction solution for reaction, then adding a chain extender for reaction, and adding triethylamine for neutralization to obtain a modified waterborne polyurethane emulsion; (3) adding SiO2 powder to octadecyltrichlorosilane for reaction to obtain hydrophobic SiO2 powder; (4) adding the hydrophobic SiO2 powder to ethyl acetate to obtain a first mixed solution; adding the modified waterborne polyurethane emulsion to ethyl acetate to obtain a second mixed solution; and adding the first mixed solution to the second mixed solution to obtain a hydrophobically modified polyurethane nanocomposite material. The present invention combines modified waterborne polyurethane with nano-SiO2 to achieve good hydrophobicity and durability.

The application provides a bupropion hydrochloride sustained-release tablet and a preparation method, and belongs to the technical field of pharmacy. The pharmaceutical composition contains 150 parts of bupropion hydrochloride, 122.5-157.5 parts of glycerin monostearate, 17.5-22.5 parts of triethyl citrate, 68-104 parts of microcrystalline cellulose and 2-6 parts of magnesium stearate, wherein the bupropion hydrochloride raw material and the glycerin monostearate and the triethyl citrate are prepared into a solid dispersion through a hot melt extrusion process. The application provides a bupropion hydrochloride sustained-release tablet which is stable in drug release, slow in growth of related substances, does not need to be coated and can be taken and eaten, and a preparation method.

This invention belongs to the field of pharmaceutical chemistry, and specifically relates to a compound antifungal cream containing the traditional Chinese medicine ingredient tryptamine ketone and its application. The invention comprises the following components, with the following percentage content: stearic acid 10%~16%, glyceryl monostearate 3%~7%, liquid paraffin 5%~9%, tryptamine 0.1%~0.01%, terbinafine hydrochloride 0.00625%~0.000625%, glycerin 4%, triethanolamine 2%~6%, ethylparaben 0.5%, and the balance being purified water or distilled water. This invention is highly effective, low in toxicity, and exhibits low drug resistance.

The invention relates to the technical field of plant essential oil, and discloses a composition for refreshing and relieving tiredness, which is prepared by the following steps: synthesizing isobutenyl-containing solid lipid, n-hexane skeleton-containing solid lipid and adhesive functional solid lipid by taking stearic acid as a basic raw material; the preparation method comprises the following steps: mixing a composite solid lipid composed of isobutenyl-containing solid lipid, normal hexane skeleton-containing solid lipid, adhesion functional solid lipid and glyceryl monostearate with a composite solid lipid composed of isobutenyl-containing solid lipid, normal hexane skeleton-containing solid lipid, adhesion functional solid lipid and glyceryl monostearate; the preparation method comprises the following steps: pre-assembling plant essential oil components with functions of refreshing and relieving tiredness of a normal hexane skeleton or a hydroxyl group based on an adsorption effect or a hydrogen bond adhesion effect existing between similar structures to obtain a lipid-essential oil mixture; a lipid-essential oil mixture and a water phase are emulsified through a high-pressure homogenization method to prepare the composition for refreshing mind, restoring consciousness and relieving tiredness, the composition shows excellent slow release performance, the release time of plant essential oil components can be effectively prolonged, and the stability of the plant essential oil is improved.

The present disclosure generally relates to personal care product compositions comprising a fatty amide such as erucamide and / or derivatives thereof having a chemical formula ranging from C18H43NO to C40H79NO for use on hair and / or skin of a user. The disclosure also relates to methods for making such compositions. Such personal care products provide improved biodegradable properties, softer and smoother skin, softer, smoother and shinier hair, and hair with improved body and manageability, while reducing skin irritation and product build-up in the hair and on the skin than personal care products comprising cationic polymers and / or silicone compounds. The formulation of the personal care product may also include one or more additional ingredients such as water, glycerin, hydroxypropylmethylcellulose, glyceryl monostearate, cetyl alcohol, and glyceryl / polyglyceryl-3 caprylic / capric / lactic / lauric acid esters in various concentrations and / or combinations.

The invention relates to the field of cosmetic testing, in particular to a systematic evaluation method of a natural avocado extract-containing mouth fat composition, which comprises the following steps: mixing pulp with an extraction solvent, condensing and refluxing for 14-18 hours to obtain an avocado extract, adding allantoin for corrosion prevention, and storing; the fixed substrate comprises the following components: beeswax, paraffin, coconut oil, lake, lemon oil, vanillin, glyceryl monostearate, titanium dioxide, castor oil, wool fat and isopropyl palmitate, and an avocado extract is added to form a contrast formula; a multi-dimensional performance test pack is adopted, a non-linear correlation model is established, and the optimal adding proportion of the adding amount of the avocado extract is determined; and standardized testing. According to the method, three technical problems of fragmentation of evaluation dimensions, insufficient parameter association and lack of method standardization in the prior art are solved through a full-process framework of directional extraction, gradient formula, multi-dimensional test, parameter association and standardization specification.

The invention relates to the technical field of paraffin emulsion, and discloses nonionic high-solid-content paraffin emulsion and a preparation method and application thereof.The paraffin emulsion is prepared from, by mass, 25%-35% of paraffin, 25%-35% of Fischer-Tropsch wax, 3%-7% of compound emulsifier, 0.2%-0.5% of co-emulsifier, 3%-5% of hydroxyl silicone oil, 0.05%-0.2% of defoaming agent, 0.5%-1% of catalyst solution and the balance water; the compound emulsifier comprises peregal O and glyceryl monostearate; the co-emulsifier is stearic acid. The paraffin emulsion has the characteristics of high solid content and low viscosity, the particle size of the emulsion is reduced, the stability of the paraffin emulsion is remarkably improved, the storage period of the emulsion is greatly prolonged, the fluidity is better, a spraying and sizing process is facilitated, and the requirements of a high-speed continuous production line are met.

The invention provides a diesel oil pour point depressant based on a multipolymer, and belongs to the technical field of fuel additives. The diesel oil pour point depressant is prepared by the following steps: firstly, constructing a multipolymer which takes 2-acrylamide-2-methylpropanesulfonic acid, acrylic acid, acrylamide and anisd as unit bodies; on the basis, the pour point depressant is compounded with polyacrylate, methacrylic acid high-carbon alcohol ester, fatty alcohol-polyoxyethylene ether, vinyl benzoate, polyethylene glycol, cyclohexyl vinyl ether, monoisopropanolamine, glyceryl monostearate, N-hexadecyl methacrylamide and oleic acid polyoxyethylene ester to form the pour point depressant formula. Compared with the prior art, the average condensation point and the average cold filter plugging point of commercially available 0 # diesel oil and commercially available-10 # diesel oil respectively added with the diesel oil pour point depressant provided by the invention are lower, which shows that the diesel oil pour point depressant provided by the invention has better fluidity and pour point depressing effect than conventional pour point depressants. Moreover, black smoke during diesel combustion is obviously reduced, the combustion time is prolonged by 12%-15%, and a certain fuel-saving effect is achieved.

The application specifically discloses an anti-yellowing polypropylene composite material, which comprises the following components: copolymerized polypropylene, rutile white masterbatch, silane modified talc powder, beta crystal nucleating agent, calcium isooctoate and glycerol monostearate. The beta crystal nucleating agent induces the copolymerized polypropylene to transform from loose alpha crystal to dense cross-stacked beta crystal, reduces the exposure of the surface of the matrix to the oxidizable tertiary carbon sites, inhibits the tendency of the molecular chain to be oxidatively degraded and to generate chromophoric groups under the synergistic action of light, heat and oxygen, the calcium isooctoate can be adsorbed and anchored to the beta crystal interface region, passivates the polar active sites of the crystal boundary, inhibits the preferential oxidation of the crystal boundary, the silane modified talc powder can be laid along the crystal interface to form a physical barrier layer, blocks the penetration of external oxygen and water vapor into the matrix, the glycerol monostearate improves the dispersion uniformity of the powder components in the polypropylene matrix, and cooperates with the color adjusting and whitening effect of the rutile white masterbatch, so that the appearance of the product can be kept white and uniform for a long time and is not prone to yellowing and aging.

The application relates to the field of polymer material processing, and particularly discloses a coating agent for expandable polystyrene particles, a preparation method and application thereof. The coating agent for expandable polystyrene particles is prepared from the following components in parts by weight: 20-30 parts of a film forming agent; 30-40 parts of an emulsifier; 30-35 parts of a lubricant; and 10-15 parts of an anti-permeation material. The emulsifier comprises decaglycerin decastearate and glycerin monostearate in a weight ratio of 1: (1-2). The anti-permeation material is prepared from a functional monomer and activated graphene. The functional monomer comprises 2-acrylamide-2-methylpropanesulfonic acid and / or sodium p-styrenesulfonate. The product can be used for apparent protection of expandable polystyrene particles, can effectively improve the problems of adhesion and caking of EPS particles in the foaming process, and greatly reduces the possibility of damage to the coating part in the process of friction between different EPS particles.

This application relates to a dropper and a method of use. The dropper includes a bottle body with a cavity; a dropper nozzle disposed on the bottle, including a dropper opening and a discharge port for discharging a liquid composition; and a vent tube including a vent hole for balancing internal pressure. The dropper is capable of dispensing drops at a desired rate. The drops contain 1-5 parts by weight of glyceryl monostearate, 80-95 parts by weight of medium-chain triglycerides or sunflower seed oil, and 1-15 parts by weight of probiotic powder or zinc oxide; wherein the viscosity η of the drops is 40-400 mPa·s.

The invention discloses a traditional Chinese medicine composition capable of reducing transaminase increase and a preparation method of the traditional Chinese medicine composition, and belongs to a medicine for protecting the liver and dispelling the effects of alcohol, which is prepared by utilizing traditional Chinese medicine compound compatibility and extraction and wrapping technologies. Comprising the following steps: drying and crushing radix bupleuri, radix puerariae, ligusticum chuanxiong hort and fructus lycii to obtain traditional Chinese medicine powder; the traditional Chinese medicine powder is subjected to ultrasonic extraction to obtain a dissolution solution; sequentially carrying out centrifugation, filtration, evaporation, drying and modification treatment on the dissolution liquid to obtain modified effective component micro powder; the modified effective component micro powder, glyceryl monostearate, tricaprylin and an ethanol solution with the mass fraction of 70% are mixed and then evaporated to obtain a lipid membrane; mixing soybean lecithin, Tween 80 and deionized water to obtain a compound emulsifier; the compound emulsifier and the lipid membrane are mixed and then sequentially subjected to drying and pulse ultrasound to obtain the traditional Chinese medicine composition capable of reducing transaminase increase.

The present application relates to the technical field of conductive adhesives, and specifically discloses a silicone conductive adhesive composition, silicone conductive adhesive, and a preparation method and application thereof. The present application discloses a silicone conductive adhesive composition, comprising the following components in parts by weight: 18-25 parts of liquid silicone rubber; 70-79 parts of conductive particles; 0.5-1.5 parts of hydroxy silicone oil; 1-3 parts of coupling agent; 3-7 parts of auxiliary agent; wherein the auxiliary agent includes one or two of glyceryl monostearate and propyl gallate and calcium carbonate. The present application also discloses a silicone conductive adhesive prepared using the above-mentioned silicone conductive adhesive composition and a preparation method thereof, the silicone conductive adhesive having excellent conductive properties and mechanical properties, simple use method, and can be cured at room temperature.

The invention discloses a flame-retardant PP film, a preparation method and application thereof and a floor, and belongs to the technical field of floors. The flame-retardant PP film is prepared from the following raw materials in parts by weight: 100 parts of homo-polypropylene; 3-5 parts of a thermoplastic elastomer POE; 0.3 to 0.8 part of a nucleating agent; 10 to 20 parts of a composite halogen-free flame retardant; 0.3 to 0.6 part of glycerin monostearate; 0.2 to 0.5 part of maleic anhydride; and 0.3 to 0.8 part of an antioxidant. The flame-retardant PP film prepared by the invention has excellent transparency, good wear resistance and excellent flame retardance.

The invention provides a coenzyme Q10 lipid nanocrystal which is prepared from the following raw materials in percentage by mass through a hot melt extrusion method: 10%-58% of coenzyme Q10, 9.09%-30% of glyceryl monostearate, 14.28%-20% of polysorbate 80 and 14.28%-45% of a water-soluble carrier, and the total amount of all the raw materials is 100%. The particle size of the coenzyme Q10 lipid nanocrystal ranges from 537.2 nm to 936.5 nm; the solid lipid and the water-soluble carrier are combined to serve as a dispersing agent of the coenzyme Q10, so that the coenzyme Q10 can be dispersed in the combined material in a nanocrystal form, the lipid nanocrystal with high drug loading capacity is obtained, the prepared coenzyme Q10 nanocrystal can be quickly dispersed and dissolved out in water, and the preparation method is simple in preparation condition, short in time, low in cost and suitable for industrial production. The method is suitable for industrial production.

The invention provides miconazole nitrate emulsifiable paste and a preparation process, and belongs to the technical field of external medicines, and the miconazole nitrate emulsifiable paste is characterized by comprising the following components in parts by mass: 1.8-2.0 wt% of miconazole nitrate, 0.3-2.0 wt% of an allantoin eugenol amide ester penetration enhancer, 3-5 wt% of medium-chain triglyceride, 5-10 wt% of glycerin monostearate, 8-15 wt% of white vaseline, 6-12 wt% of glycerol and the balance of water. The cleaning agent is prepared from, by weight, 0.01%-0.10% of bis (hydroxymethyl) imidazolidinyl urea, 6%-12% of octadecanol, 1%-3% of triethanolamine and the balance purified water. The preparation process comprises the steps of preparation of cream, homogenization of miconazole nitrate emulsion and preparation of the miconazole nitrate cream. According to the invention, the nanoscale miconazole nitrate cream product with uniform and fine texture is prepared from the aspects of drug particle size optimization and homogenization; the added allantoin eugenol amide ester penetration enhancer is safe and non-irritant, and when the allantoin eugenol amide ester penetration enhancer and miconazole nitrate are used together, penetration of the ointment is promoted, and skin recovery is accelerated; meanwhile, the problems of yellowing, deterioration and the like of the cream can be effectively prevented.