121 results about "Benzoyl peroxide" patented technology

The invention provides a heat-conducting water-blocking sealant, a preparation method thereof and a photovoltaic module. The heat-conducting and water-blocking sealant is prepared from the following raw materials in parts by mass: 50 to 100 parts of methyl vinyl siloxane, 50 to 100 parts of lignin, 10 to 50 parts of diamond particles and / or diamond alloy particles, 0.5 to 10 parts of a first cross-linking agent, 0.5 to 10 parts of a second cross-linking agent, 0.5 to 5 parts of a coupling agent and 0.05 to 1 part of a catalyst, wherein the first cross-linking agent is prepared from one or more of dicumyl peroxide, benzoyl peroxide, toluene diisocynate and hexamethylene diisocyanate; the second cross-linking agent comprises polymethylhydrosiloxane. The heat-conducting and water-blocking sealant disclosed by the invention has relatively good heat-conducting property, water-blocking property and electrical insulation property.

The invention discloses a polyphenyl ether modified epoxy resin-based copper-clad plate, and particularly relates to the technical field of copper-clad plates, the polyphenyl ether modified epoxy resin-based copper-clad plate comprises a glue solution, an electronic glass fabric and a copper foil, and the glue solution comprises the following raw materials: modified polyphenyl ether, an inorganic filler, a curing agent, a flame retardant and the balance of epoxy resin. The bisphenol A epoxy resin, toluene and benzoyl peroxide are utilized to treat polyphenyl ether, the molecular weight of the polyphenyl ether can be reduced, the crosslinking property of the polyphenyl ether and the epoxy resin is better, then paraformaldehyde is utilized to catalyze and modify the polyphenyl ether, the terminal of the polyphenyl ether is grafted with hydroxymethyl, and the polyphenyl ether is grafted with polyphenyl ether. The compatibility and interface bonding force of the obtained hydroxymethylated polyphenyl ether and epoxy resin are good, the dielectric loss performance and toughness of the copper-clad plate can be effectively improved, and anhydrous aluminum silicate of an amorphous layered gap structure formed through specific activation treatment can be formed during temperature-controlled calcination of kaolin. The dielectric constant and the dielectric loss of the copper-clad plate can be obviously reduced.

A foaming cleansing composition includes 2.5% to 12.0% Benzoyl Peroxide, at least one acrylate polymer, Hyaluronic Acid, Niacinamide, a combination of anionic and amphoteric surfactants, expressly excluding alkyl polyglucosides, and water. The composition provides a unique textural feel as compared with existing benzoyl peroxide containing products, and in particular, is formulated as a light mousse-type architecture with viscosity which is retained on skin upon application and resists dripping, even in the shower. The composition is shelf stable and stable on application, demonstrating a viscosity of about 18-25 UD (Viscosity Rheomat M3 Spindle), and a pH about 5.5 to about 6.5.

This invention relates to the field of packaging film technology and provides a low-temperature polyolefin packaging film and its preparation method. The packaging film comprises a three-layer co-extruded structure consisting of an outer layer, a middle layer, and an inner layer. The components of each layer are as follows: Inner layer: metallocene polyolefin, high-performance polypropylene, modified lignin nanofibers, and erucamide / silica composite microspheres; Middle layer: PCR, modified nano-kaolinite, and trimethylolpropane triacrylate; Outer layer: PCR, modified tourmaline nanotubes, benzoyl peroxide microcapsules, and polydopamine-coated chitosan. This invention uses PCR, which is more energy-efficient and environmentally friendly. The addition of modified lignin nanofibers to the inner layer improves tensile strength; the addition of modified nano-kaolinite to the middle layer improves thermal shrinkage; the addition of modified tourmaline nanotubes to the outer layer lowers the crosslinking reaction initiation temperature and improves shrinkage; and the addition of polydopamine-coated chitosan allows for reversible recombination upon damage, improving puncture strength.

The invention provides a bi-component spun-bonded non-woven fabric and a production process thereof, and belongs to the technical field of non-woven fabrics. The non-woven fabric is composed of bi-component fibers of a skin-core composite structure, the skin layer of the bi-component fibers is composite polypropylene, and the core layer of the bi-component fibers is polycaprolactam; the preparation method of the composite polypropylene comprises the steps of polypropylene hydrophilic treatment, starch functional treatment and compounding. The hydrophilic treatment of polypropylene comprises the following steps: adding benzoyl peroxide, an antioxidant and ethylene bis stearamide into polypropylene, stirring for 20-25 minutes, adding polyethylene glycol monoallyl ether, stirring for 10-15 minutes, adding polyethylene glycol monoallyl ether again to obtain a polypropylene mixture, putting the polypropylene mixture into a twin-screw extruder, carrying out melt extrusion, and carrying out extrusion molding to obtain the polypropylene material. Hydrophilic polypropylene is obtained; the non-woven fabric is high in water absorption rate, short in liquid penetration time and excellent in strength and chemical stability resistance.

The invention discloses an acrylic acid silane ester self-renewal antifouling resin based on cation-pi interaction as well as a preparation method and application of the acrylic acid silane ester self-renewal antifouling resin. Methyl methacrylate, ethyl acrylate, triisopropylsilyl methacrylate, acrylic acid-2-methyl ethyl ester, paeonol methacrylate and acryloyloxyethyl trimethyl ammonium chloride are synthesized through a random free radical polymerization reaction with azodiisobutyronitrile and benzoyl peroxide as initiators. Wherein the methacrylic acid paeonol ester monomer is prepared by carrying out substitution reaction on paeonol and methacryloyl chloride. The anti-fouling agent is anchored on the surface of the coating again through cation-pi interaction, so that the anti-fouling effect is enhanced, and the coating still has good anti-fouling capacity even in a static environment.

This invention relates to a polyurethane-modified silicone protective material for the outer wall of wind turbine towers, and discloses a method for preparing the same material. The material is prepared by mixing acrylate-hedged phenol-modified trimethyl silicone oil, isocyanate-modified polyether polyol polyurethane, ultrafine silica, nano-alumina, short-fiber glass, triethylamine, benzoyl peroxide, dioctyl phthalate (DOP), phthalocyanine UV absorbers, dibutyltin diethylene (DDBT), and imidazole antifungal agents in a specific weight ratio. This material exhibits excellent weather resistance, mechanical strength, heat resistance, UV resistance, and antifungal properties, making it particularly suitable for the protection of wind turbine towers. The preparation method ensures the stability and consistency of the material's performance by precisely controlling the proportions of each component and the curing conditions. This material effectively improves the UV resistance, corrosion resistance, weather resistance, and overall durability of wind turbine towers, extending their service life and reducing maintenance costs. This invention provides a high-performance protective material for the outer wall of wind turbine towers, which has significant engineering application value. Especially in environments with long-term high humidity, low temperature, and strong ultraviolet radiation, it can significantly improve the stability and service life of the tower. This polyurethane-modified silicone protective material exhibits excellent protective performance in demanding application environments such as wind turbine towers, and has broad market application prospects.

The invention belongs to the field of polyethylene, and particularly relates to high-temperature-resistant creep-resistant macromolecular polyethylene, which is prepared from the following raw materials in parts by weight: 100 parts of ultra-high molecular weight polyethylene, 2 to 8 parts of modified graphene and 4 to 10 parts of epoxy resin. The preparation process of the modified graphene comprises the following steps: dropwise adding vinyltrimethoxysilane hydrolysate into graphene oxide dispersion liquid to obtain vinyltrimethoxysilane grafted graphene; the preparation method comprises the following steps: ultrasonically dispersing vinyl trimethoxy silane grafted graphene into degassed toluene, and then adding benzoyl peroxide; under the protection of nitrogen, stirring and reacting, continuously introducing ethylene gas into the system, and continuously reacting for 4-12 hours; after the reaction is finished, cooling the system to room temperature, releasing pressure, and stopping introducing ethylene; carrying out post-treatment to obtain modified graphene; the high-molecular polyethylene fiber prepared by the preparation method disclosed by the invention is good in high-temperature resistance, creep resistance and processing flowability.

The invention provides yellow glue resistant to corrosion of a plasticizer and a preparation method of the yellow glue. The yellow glue is prepared from a polyurethane prepolymer, a chloroprene rubber sheet, methyl methacrylate, benzoyl peroxide, an anti-aging agent, butanone, cyclohexane, dimethyl carbonate and tackifying resin. The polyurethane prepolymer is prepared from the following components in parts by weight: 10 to 14 parts of 1, 4-butanediol adipic acid polyester polyol, 4 to 8 parts of polycaprolactone polyol, 1 to 3 parts of diphenylmethane diisocyanate, 0.05 to 0.15 part of 1, 6-hexanediol, 1 to 2 parts of hydroxyethyl methacrylate, 0.01 to 0.03 part of organic bismuth catalyst and 75 to 80 parts of butanone. The polyurethane prepolymer with specific crystallization performance is synthesized through cooperation of polycaprolactone polyol and polyester polyol, and the yellow glue is endowed with excellent plasticizer corrosion resistance and low-temperature activation capacity. Active groups in the polyurethane prepolymer are subjected to graft copolymerization with the chloroprene rubber adhesive and MMA, and a plasticizer-resistant polyurethane chain segment is introduced into a molecular chain of the chloroprene rubber adhesive, so that a hard segment-soft segment alternating block structure is formed, and corrosion resistance and viscoelasticity are both considered.

The invention discloses a method for preparing benzoyl peroxide gel and application, and belongs to the technical field of medicine preparation. The preparation method comprises the following steps: preparing a ternary eutectic solvent by taking choline chloride, glycerol and benzoic acid as raw materials, mixing benzoyl peroxide with the ternary eutectic solvent to obtain a benzoyl peroxide system, and mixing the benzoyl peroxide system with a gel system on the basis to prepare the benzoyl peroxide gel with relatively high stability, storage stability and antibacterial activity.

This invention relates to the field of ABS material technology, and more particularly to an impact-resistant composite ABS sheet and its preparation method. The raw materials of the aforementioned impact-resistant composite ABS sheet, by weight, include: 100-200 parts of emulsion-processed ABS resin, 10-20 parts of butadiene monomer, 5-10 parts of methyl methacrylate, 1-5 parts of glycidyl acrylate, 1-5 parts of maleic anhydride, 5-15 parts of styrene, 1-5 parts of aminated silica, 0.1-0.5 parts of benzoyl peroxide, 0.1-0.3 parts of triethylamine, 0.1-1 parts of emulsifier, 0.01-0.1 parts of first initiator, 0.05-0.2 parts of second initiator, 1-3 parts of oxidized polyethylene wax, 1-2 parts of lubricant, and 1-3 parts of antioxidant. This invention solves the contradiction between the heat resistance and impact strength of ABS resin, and has significant advantages over traditional modified systems, fully meeting the application requirements of the sheet in high-temperature vibration environments.

The invention provides a rubber / EVA dual-purpose treating agent and a preparation method and application thereof.The rubber / EVA dual-purpose treating agent is prepared from an ethylene chloride-vinyl acetate copolymer, a styrene-butadiene-styrene block copolymer, methyl methacrylate, benzoyl peroxide, 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, a styrene-butadiene-styrene block copolymer, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate and a styrene-butadiene-styrene block copolymer. The adhesive is prepared from 2, 6-di-tert-butyl-4-methylphenol, chloroprene rubber, butadiene styrene rubber, 2-hydroxyethyl methacrylate, an auxiliary agent, a diluent and a solvent. The rubber / EVA dual-purpose treating agent can be universally used for two materials, namely rubber and EVA, so that inferior-quality products and mixed use conditions in the production process are reduced, waste is not easily caused, and the rubber / EVA dual-purpose treating agent is convenient to use; components with strong pungent smell, such as trichloroisocyanuric acid, do not need to be added, so that the prepared treating agent is relatively small in smell and beneficial to environmental protection.

This invention belongs to the field of stone adhesive technology, specifically relating to a transparent stone splicing adhesive and its preparation method. The adhesive comprises a resin component and a curing component. The resin component includes maleic anhydride, phthalic anhydride, diol, catalyst, polymerization inhibitor, and crosslinking monomers, etc., and the diol includes at least 1,2-propanediol. The curing component includes an accelerator composed of dimethylaniline and zinc adipate, and a benzoyl peroxide initiator. The adhesive of this invention is colorless and transparent after curing, exhibits excellent resistance to yellowing, is easy to apply, and after curing with fillers, possesses excellent shear strength, water shear strength, and impact resistance. It can be widely used in high-end stone splicing, repair, and craft bonding.

The invention relates to the technical field of glass material preparation, and particularly discloses ultrathin flexible glass containing a flexible material coating and a preparation method thereof.According to the ultrathin flexible glass containing the flexible material coating, acrylic acid modified organic silicon resin serves as a main film-forming matrix, the coating is endowed with excellent weather resistance and chemical stability, and the coating is not prone to deformation; the introduction of the composite modified polyurethane significantly enhances the toughness, wear resistance and ultraviolet aging resistance of the coating, and the vinyl silicone oil has the effects of enhancing the flexibility and improving the leveling property and surface smoothness of the coating, and also can reduce the surface tension of the coating, so that the coating is more uniformly distributed on the glass surface; benzoyl peroxide is used as an initiator to promote crosslinking and curing of the resin under a low-temperature condition, so that the crosslinking density is improved, the transmission of external force impact is effectively blocked, and the impact resistance of the coating is improved.

This invention discloses a high-temperature resistant flat cable and its manufacturing process, comprising: a flat aluminum alloy busbar, an insulation layer covering the outer surface of the flat aluminum alloy busbar, and a flat aluminum alloy tube covering the outer surface of the insulation layer; the insulation layer is formed by extruding cable material, and the cable material is composed of the following components in parts by weight: 100 parts of polyethylene resin, 1-3 parts of silane crosslinking agent, 0.5-1 parts of glycidyl methacrylate, 0.1-1.5 parts of antioxidant, 0.05-0.2 parts of initiator, 0.2-0.5 parts of tetrabutyl zirconate, and 0.1-0.3 parts of triallyl isocyanurate; the silane crosslinking agent is vinyltrimethoxysilane or vinyltriethoxysilane, and the initiator is at least one of dicumyl peroxide, methyl ethyl ketone peroxide, or benzoyl peroxide. The insulation layer of the high-temperature resistant flat cable of this invention has a breakage elongation change rate of 10~20% after aging at 125℃, and an elongation rate of 30~55% under thermal extension load, thereby improving the high-temperature resistance and service life of the flat cable.

The invention discloses a pumpable resin anchoring agent for mounting a mine tunnel anchor rod and a pumping device of the pumpable resin anchoring agent, and relates to the field of mine anchor rod mounting devices. Comprising the following components in parts by weight: 100-120 parts of unsaturated polyester resin, 1-3 parts of an accelerant, 1-10 parts of a thixotropic agent, 300-400 parts of superfine modified filler, 2-5 parts of a silane coupling agent, 3-6 parts of a low-shrinkage additive, 1-3 parts of a wetting dispersant and 1-2 parts of a styrene inhibitor; the catalyst component is prepared from the following components in parts by weight: 10 to 15 parts of benzoyl peroxide, 10 to 15 parts of dibutyl phthalate, 5 to 10 parts of a composite initiator, 0.5 to 1.5 parts of a thickening agent, 0.1 to 0.3 part of zinc stearate and 100 to 120 parts of deionized water; during construction, a resin component and a catalyst component are mixed according to the mass ratio of 100: (10-20), and are conveyed and injected into a drill hole through a pumping device; by matching with the pumping device with the rotary groove cutting, multi-channel grouting and pressure monitoring functions, active leaking stoppage, accurate isolation and efficient anchoring of irregular drill holes of a mine tunnel are achieved, and the sealing performance, stability and construction efficiency of anchor rod installation are greatly improved.

This invention discloses an A2-grade flame-retardant aluminum composite panel core material and its preparation method. The flame-retardant aluminum composite panel core material comprises the following raw materials in parts by weight: 10-12 parts of matrix resin, 85-90 parts of flame retardant, 0.5-1.5 parts of flame retardant synergist, 0.01-0.03 parts of benzoyl peroxide, 1-2 parts of anionic surfactant, 2-4 parts of compatibilizer, 1-2 parts of antioxidant, and 0.5-1.5 parts of antibacterial agent. The aluminum composite panel core material contains a flame retardant, which decomposes upon heating during combustion, releasing water vapor, absorbing a large amount of heat, reducing the surface temperature of the material, and diluting the concentration of oxygen and combustible gases. At the same time, it forms a "worm-like" fluffy char layer that effectively insulates against heat and oxygen and prevents combustibles from escaping. The addition of the flame retardant synergist promotes further densification of the formed char layer, preventing the char layer from burning through or falling off, further improving the flame-retardant effect of the aluminum composite panel core material, achieving a flame-retardant grade of A2.

The application relates to the technical field of ABS packaging bottles, and more specifically to an ultraviolet-resistant ABS material, a preparation method thereof and a packaging bottle. An ultraviolet-resistant ABS material comprises the following raw materials in parts by weight: 50-80 parts of styrene, 14-26 parts of acrylonitrile, 12-18 parts of a benzotriazole ultraviolet-resistant absorber, 8-14 parts of butadiene, 0.1-0.9 parts of benzoyl peroxide, 0.1-0.5 parts of tertiary dodecyl mercaptan and 40-60 parts of toluene; the benzotriazole ultraviolet-resistant absorber comprises the following raw materials in mole: 1-3 parts of hydroxyethyl methacrylate, 2-4 parts of toluene-3,5-diisocyanate and 1-3 parts of a polyhydroxy-containing ultraviolet-resistant absorber. The ultraviolet-resistant ABS material has excellent ultraviolet-resistant performance and migration resistance.

This invention discloses a method for preparing 2,4-dihydroxyacetophenone using acetaldehyde as the acetyl source. Under the presence of an oxidant and a catalyst, acetaldehyde, as the acetyl source, undergoes a direct free radical acylation reaction with resorcinol to obtain 2,4-dihydroxyacetophenone. No transition metal salts are required during the reaction. This method, using acetaldehyde as the acetyl source, facilitates a highly efficient free radical acylation reaction with resorcinol under the combined action of N-hydroxyphthalimide (NHPI) and benzoyl peroxide (BPO), producing 2,4-dihydroxyacetophenone in one step without the need for any transition metal salts. This method completely solves the environmental pollution and metal residue problems associated with traditional methods. The reaction conditions are mild, no special equipment is required, and the method exhibits high selectivity, non-corrosiveness, high product purity, and low production cost, showing broad prospects for industrial application.

The invention relates to a preparation method of coating-grade polyvinylidene fluoride, which comprises the following steps: S1, weighing azobisisoheptonitrile and benzoyl peroxide, and dissolving in deionized water to obtain a composite initiator solution; s2, adding deionized water, an emulsifier and a vinylidene fluoride monomer into a reaction kettle, heating, dropwise adding the composite initiator solution obtained in S1, and stirring for reaction; and S3, carrying out condensation demulsification on the reaction product obtained in S2, carrying out filter pressing and washing, and carrying out flash drying and crushing to obtain the coating-grade polyvinylidene fluoride. Compared with the prior art, the method can meet the strict requirements of coating-grade PVDF on molecular weight distribution (target PDI < = 1.6) and impurity content (target < = 50ppm).

The invention relates to a method for preparing a high-purity lithium difluoro (oxalato) borate solid through a low-temperature melting method, and belongs to the technical field of lithium battery electrolyte additives. The preparation method comprises the following steps: under the protection of argon, adding lithium oxalate, boric acid and lithium fluoride into a reaction kettle, uniformly stirring and mixing, and carrying out a low-temperature melting reaction to form a molten reaction product; naturally cooling the molten reaction product to room temperature, cooling and crystallizing, and separating out solid crystals; washing the solid crystals with absolute ethyl alcohol, performing centrifugal separation, and removing surface impurities through a modified resin adsorbent; drying the washed solid crystals in a vacuum drying oven to obtain a high-purity lithium difluoro (oxalato) borate solid; the modified resin adsorbent is prepared from styrene-divinylbenzene copolymer resin, dichloroethane, allyl phosphine dichloride, benzoyl peroxide and tetraallyl silicate. The lithium difluoro (oxalato) borate prepared by the method is high in purity and high in yield, and meets the use requirements of a high-energy-density lithium ion battery electrolyte.

This invention relates to a collagen-moisturizing soft hydrophilic contact lens, belonging to the field of contact lens technology. The collagen-moisturizing soft hydrophilic contact lens of this invention comprises the following components: hydroxyethyl methacrylate, N-vinylpyrrolidone, N,N-dimethylacrylamide, methyl acrylate, collagen, polyethylene glycol 400, polyvinylpyrrolidone K90, azobisisobutyronitrile, azodimethylvaleronitrile, benzoyl peroxide, ethylene glycol dimethacrylate, trimethylolpropane trimethacrylate, and divinylbenzene. This invention solves the problems of rapid decay of moisturizing effect, poor biocompatibility, and low long-term wearing comfort of existing contact lenses through the synergistic effect of a complex hydrophilic monomer system, collagen functional components, a gradient complex initiation system, and a multi-dimensional complex cross-linking system.

The present application relates to a kind of degradable acrylic pressure sensitive adhesive and its preparation method, belong to acrylic pressure sensitive adhesive technical field.The raw material of degradable acrylic pressure sensitive adhesive provided by the present application includes polylactic acid, butyl acrylate, isooctyl acrylate, benzoyl peroxide, ethyl acetate, temperature-sensitive microcapsule, tackifier, antioxidant and stabilizer.The degradable acrylic pressure sensitive adhesive of the present application is composed of multiple components, the polylactic acid in which not only gives pressure sensitive adhesive good biodegradability, but also provides appropriate mechanical strength and flexibility;The combination of butyl acrylate and isooctyl acrylate makes the pressure sensitive adhesive have excellent adhesion and weather resistance;The introduction of temperature-sensitive microcapsule, tackifier, antioxidant and stabilizer further improves the performance of pressure sensitive adhesive, improves the degradability of pressure sensitive adhesive.

The invention discloses a modified nano silicon dioxide fluoride-free waterproof oil-proof finishing agent and a preparation method thereof. The preparation method of the modified nano silicon dioxide fluoride-free finishing agent provided by the invention comprises the following steps: mixing nano SiO2 with a silane coupling agent, and carrying out grafting modification to obtain modified nano SiO2; mixing the obtained modified nano SiO2 with a styrene compound and benzoyl peroxide, and carrying out addition polymerization reaction, so as to obtain PS-SCA-SiO2; and mixing the PS-SCA-SiO2 with an emulsifier, and emulsifying to obtain the modified nano silicon dioxide fluoride-free finishing agent. According to the method provided by the invention, the preparation process is easy to control, and the waterproof and oil-proof modified nano SiO2 is finished on the fabric through chemical crosslinking and valence bond combination, so that the finished fabric has excellent waterproof and oil-proof effects and washing resistance.

The invention provides outdoor anti-aging grafted nail-free glue as well as a preparation method and application thereof, and the outdoor anti-aging grafted nail-free glue is prepared from 10 to 15 parts of linear butylbenzene thermoplastic elastomer, 3 to 6 parts of methyl methacrylate, 0.5 to 1 part of methacrylic acid, 15 to 25 parts of butanone, 8 to 12 parts of acetic ether, 0.3 to 1 part of toluene liquid of benzoyl peroxide, 1 to 2 parts of antioxidant, 16 to 30 parts of hydrogenated petroleum resin and 10 to 15 parts of isohexane. 25-40 parts of nano calcium carbonate and 10-15 parts of heavy calcium carbonate. By adopting a graft polymerization process of SBS, methacrylic acid and methyl methacrylate, the stability is improved, and a large steric hindrance group is introduced near a double bond through a grafting reaction for physical shielding; meanwhile, transparent hydrogenated petroleum resin and hydrogenated saturated double bonds are added, so that the thermal oxidation resistance and the ultraviolet resistance of the SBS nail-free glue are remarkably improved, the long-term viscosity is kept, and the aging resistance of the SBS nail-free glue is also improved.

The invention relates to the field of repair product preparation, in particular to a novel nano-antibacterial skin repair product for preventing hpv viruses. The formula is prepared from the following raw materials by weight: 0.80 to 4.50 g of purified water, 0.008 to 0.150 g of carbomer, 0.01 to 0.80 g of fenugreek oil, 0.01 to 0.30 g of oat beta glucan, 0.003 to 0.400 g of folium artemisiae argyi extracting solution, 0.01 to 0.40 g of herba portulacae extracting solution, 0.006 to 0.420 g of herba violae extracting solution, 0.001 to 0.200 g of herba lophatheri extracting solution, 0.007 to 0.300 g of herba taraxaci extracting solution, 0.008 to 0.220 g of rhizoma paridis chinensis extracting solution, 0.01 to 0.40 g of herba leonuri extracting solution, 0.0005 to 0.0300 g of nano silver and 0.008 to 0.150 g of borneol. The adhesive comprises the following components by weight: 0.01 to 0.30 g of sodium carboxymethyl cellulose, 0.008 to 0.220 g of lubrajel, 0.007 to 0.300 g of benzoyl peroxide, and 0.0005 to 0.0300 g of a cross-linking agent. The invention has the following beneficial effects: the ointment comprises a plurality of plant extracts, has no irritation to vagina, is safe and has no side effect; the carried antiviral and antibacterial components can rapidly permeate into the skin to protect mucous membrane cells from being damaged by viruses; skin tissues can be quickly repaired, and wound healing and regeneration capacity is improved; various plant extracts in the gel can also improve the immunity of the organism and can achieve a good antiviral effect.

The application provides a monovalent ionic liquid fiber membrane, a preparation method and application in recovery of palladium, and belongs to the technical field of adsorbing materials, and comprises the following steps: mixing dichloromethane and acetic acid to obtain a first solution; dissolving cellulose acetate and ionic liquid in the first solution to obtain a second solution; the ionic liquid is any one of an alkenyl imidazole salt, a quaternary ammonium salt containing an alkenyl group, a quaternary phosphonium salt containing an alkenyl group, a pyridine salt containing an alkenyl group or a morpholine salt containing an alkenyl group; N,N'-methylene bisacrylamide and benzoyl peroxide are added into the second solution, heated, stirred and warmed to obtain a third solution, and the third solution is subjected to high-pressure electrospinning to obtain the monovalent ionic liquid fiber membrane; or the second solution is subjected to high-pressure electrospinning and then irradiation to obtain the monovalent ionic liquid fiber membrane. The monovalent ionic liquid fiber membrane prepared by the application can realize rapid adsorption and easy regeneration and desorption, and can efficiently and selectively adsorb and recover palladium from a complex acidic solution.

The invention discloses high-temperature-resistant silicone rubber as well as a preparation method and application thereof, and belongs to the technical field of silicone rubber preparation. The high-temperature-resistant silicone rubber is prepared from the following components in parts by weight: 90 to 100 parts of methyl vinyl silicone rubber, 30 to 50 parts of fumed silica, 2 to 6 parts of a heat-resistant additive, 1 to 4 parts of ferric oxide, 3 to 7 parts of an anti-aging additive, 4 to 8 parts of hydroxyl silicone oil, 0.8 to 2.3 parts of benzoyl peroxide and 0.1 to 0.3 part of zinc stearate. The silicone rubber prepared from the raw materials has excellent high temperature resistance, oil resistance and aging resistance.

The invention belongs to the technical field of biomedical materials, and particularly relates to a medical surgical suture and a preparation method thereof. The preparation method of the medical surgical suture comprises the following steps: S1, dissolving alkenyl-terminated hyperbranched polylactic acid and benzoyl peroxide in an organic solvent to form a core layer spinning solution; s2, polyvinyl alcohol powder is dissolved to obtain a polyvinyl alcohol solution, polyvinyl alcohol-styryl pyridinium salt is dissolved to obtain a SbQ-PVA solution, the polyvinyl alcohol solution and the SbQ-PVA solution are mixed, then zinc oxide quantum dots are added, the mixture is mixed to be uniform, and a skin layer spinning solution is obtained; and S3, performing coaxial electrostatic spinning on the core layer spinning solution and the skin layer spinning solution to obtain a fiber membrane, performing post-treatment on the fiber membrane, then cutting the fiber membrane into strips, and performing twisting forming to obtain the medical surgical suture. The fracture strength of the suture line can be remarkably improved, and the suture line has an excellent antibacterial rate.

The invention discloses a waterproof fiber composite board and a preparation method thereof, and belongs to the technical field of fiber composite boards. The preparation method comprises the following steps: mixing and stirring fir wood fibers, maleic anhydride, benzoyl peroxide and N, N-dimethylaniline for reaction to obtain pretreated wood fibers; the pretreated wood fibers and phenolic resin with the solid content being 50% are mixed to obtain a wood matrix material, modified pollen, modified lotus leaf wax, stannous octoate and modified aerogel are added, and the mixture is stirred and mixed to obtain functional slurry; and pouring the functional slurry into a mold, and carrying out hot pressing treatment to obtain the waterproof fiber composite board. Chemical bonding of the modified aerogel, the pretreated wood fiber and the modified pollen is achieved through an isocyanate group, and a continuous heat preservation network is constructed to achieve the heat preservation property; phenolic resin, modified pollen and modified lotus leaf wax form double waterproof barriers, so that the problem that hydrophobic components are easy to migrate is solved; all the components have a synergistic effect, so that the product has excellent water resistance, antibacterial property, thermal insulation property, mechanical property and thermal stability.