152 results about "Microcrystalline wax" patented technology

The invention relates to the technical field of new energy automobile air suspensions, and particularly discloses a heat-resistant ozone-resistant air spring outer layer rubber material. The rubber material is prepared from natural rubber, chlorosulfonated polyethylene rubber, ethylene-vinyl acetate rubber, high-activity magnesium oxide, stearic acid, an anti-aging agent, microcrystalline wax, tert-butylphenol formaldehyde resin, reinforcing filler, a plasticizer, zinc oxide, a vulcanizing agent and an accelerant. The invention also discloses a preparation method of the sizing material. The heat-resistant ozone-resistant air spring outer layer rubber material disclosed by the invention has good heat resistance, cold resistance and ozone aging resistance, and also has the advantages of wide application environment range and long service life.

The invention discloses a cold-resistant high-temperature-resistant hydraulic hose rubber material which comprises the following components in parts by mass: 65-75 parts of nitrile rubber, 5-15 parts of butadiene rubber, 5-10 parts of silicone rubber, 5-10 parts of ethylene propylene rubber, 5-10 parts of hydrogenated nitrile rubber, 10-15 parts of white carbon black VN3, 110-130 parts of carbon black N762, 5-8 parts of a plasticizer DOS, 5-8 parts of a plasticizer TP-90B, 3-5 parts of zinc oxide, 0.5-1.0 part of stearic acid, 1-2 parts of an anti-aging agent KY-405 and 1-2 parts of an anti-aging agent RD. The invention relates to an environment-friendly adhesive which is prepared from the following components in parts by weight: 0.5 to 1.0 part of microcrystalline wax Antilux 654, 3 to 5 parts of homogeneous resin 40MSF, 1.5 to 2.5 parts of sulfur, 1.0 to 1.5 parts of accelerant CZ, 1.5 to 2.5 parts of peroxide F40P-SP2, 0.5 to 1.0 part of assistant cross-linking agent SK8911D70 and 5 to 7 parts of Ricobond 1731HS. The material has excellent low-temperature bending property (less than or equal to-60 DEG C), hot oil resistance, thermal aging resistance and copper-plated steel wire bonding property, and is suitable for hydraulic hose manufacturing in an extreme environment.

The invention discloses a preparation method of a ceramic core plasticizer for high-temperature alloy investment casting, and relates to the technical field of plasticizers, and the preparation method comprises the following preparation steps: step 1, adding microcrystalline wax into modified chlorinated paraffin, heating, stirring and melting, adding a heat stabilizer, mixing, continuously stirring, heating for reaction, adding polyethylene wax, and continuously stirring; 2, after cooling, adding stearic acid, and continuously stirring; and 3, granulating and packaging to obtain the special plasticizer for the ceramic core. According to the preparation method of the ceramic core plasticizer for high-temperature alloy investment casting, polar groups such as hydroxyl groups and ester groups are introduced to a chlorinated paraffin molecular chain, strong interaction is formed between the polar groups and hydroxyl groups on the surface of ceramic powder, and a uniform wax coating layer is formed on the surface of powder particles.

The invention relates to the technical field of composite material engineering, and discloses a method for manufacturing a foam female die of an airplane model, which comprises the following steps: firstly, carrying out gradient grinding on the inner surface of the foam female die; filling the polished foam female die with an epoxy material and a putty material, and polishing again; the polished foam female die filled with the epoxy material and the putty material is coated with a microcrystalline wax sealing layer, and a solvent type release agent is sprayed; and carrying out a wet lamination process on the foam female die filled with the epoxy material and the putty material. A traditional mold is replaced with the corrodible modified foam female mold, so that the single-piece mold manufacturing cost is reduced, the period is shortened, the complex machining process of the traditional mold is not needed, the material cost is low, the manufacturing steps are simple and convenient, manpower and time investment is greatly reduced, the method is particularly suitable for small-batch customized production, and economic benefits are improved.

The invention discloses a rubber sealing material suitable for a gas pipeline and a preparation method of the rubber sealing material, and belongs to the technical field of rubber materials. The rubber sealing material is prepared from the following raw materials in parts by weight: 75 to 90 parts of modified nitrile rubber, 5 to 10 parts of carboxyl-terminated nitrile rubber, 5 to 20 parts of hydrogenated nitrile rubber, 40 to 80 parts of carbon black, 15 to 35 parts of silica powder, 15 to 28 parts of a plasticizer, 4.5 to 5 parts of zinc oxide, 0.8 to 1.2 parts of stearic acid, 1.2 to 2 parts of microcrystalline wax, 3.5 to 4 parts of an anti-aging agent, 2.5 to 3.5 parts of peroxide, 0.2 to 0.5 part of sulfur, 1.2 to 2.5 parts of an assistant vulcanizing agent and 0.6 to 2 parts of an accelerant. The modified nitrile rubber is prepared by grafting silane containing sulfydryl and amino bifunctional groups on nitrile rubber through sulfydryl-double bond click reaction. The rubber sealing material provided by the invention is high in low-temperature resistance, low in compression set value and good in dimensional stability.

This utility model discloses a continuous deoiling device for microcrystalline wax, including a sealed wax melting tank and a deoiling device. The sealed wax melting tank transports the mixture to the inside of a spiral plate heat exchanger via a variable frequency pump. The spiral plate heat exchanger is connected to a high and low temperature integrated machine, which can circulate and cool the coolant flowing inside the spiral plate heat exchanger. The spiral plate heat exchanger transports the crystallized mixture to the inside of a centrifuge. The centrifuge separates the crystallized wax from the filtrate through centrifugal action, and the separated filtrate enters the sealed filtrate tank for recycling. This utility model can achieve continuous deoiling of microcrystalline wax through the synergistic effect of components such as the sealed wax melting tank, variable frequency pump, spiral plate heat exchanger, and centrifuge. At the same time, the curved structure in the channel of the spiral plate heat exchanger forces the fluid to form a strong spiral flow. The high flow velocity and turbulence can scour the wall surface and prevent wax crystals or impurities from depositing.

This invention proposes a simulation material for mechanical testing of press-loaded explosives, which, by weight, is made from the following raw materials: 65.5% ammonium sulfate, 27%–33% aluminum powder, 1.5%–4% microcrystalline wax, 1%–2% butadiene rubber, and 0.2%–0.8% graphite. The compressive and tensile strengths of the explosive charge formed by this simulation material are essentially consistent with those of the charge charge formed from polyaluminum black-2 (JHL-2) explosive. It can realistically reflect the trend and limit of strength changes during mechanical testing, and provides effective reference data for mechanical performance evaluation. It also provides relatively realistic and reasonable model parameters for the digital design of the mechanical properties of press-loaded explosives. In aging tests, tensile tests, mechanical compression tests, and dynamic Brazilian tests, using this simulation material avoids contact with energetic explosive components, increasing test safety and reducing safety hazards.

The invention relates to a cold-resistant and high-slip-resistance sneaker sole rubber material and a preparation method thereof. The rubber material is prepared from the following raw materials in parts by weight: 40-60 parts of butadiene rubber, 10-30 parts of isoprene rubber, 30-50 parts of brominated butyl rubber, 2-5 parts of polyethylene glycol, 0.5-1.5 parts of stearic acid, 4-6 parts of zinc oxide, 2-4 parts of a homogenizing agent, 0.5-1.5 parts of an active agent, 1-3 parts of an anti-aging agent, 1.5-2.2 parts of a vulcanizing agent, 1.2-2 parts of an accelerant, 40-65 parts of white carbon black, 4-8 parts of softening oil, 0.5-1 part of microcrystalline wax, 4-8 parts of a tackifier and 2-5 parts of a wear-resistant agent. Compared with the existing product, the sneaker sole rubber material disclosed by the invention has the advantages that the non-slip performance and the cold resistance are greatly improved, the non-slip performance and the cold resistance (namely, the capability of maintaining various performances in a low-temperature environment) are very excellent, and meanwhile, the sneaker sole rubber material also has good shock absorption performance and wear resistance.

The application belongs to the technical field of precision casting, and particularly relates to a high-viscosity and high-strength precision casting adhesive wax and a preparation method thereof. The adhesive wax comprises the following components: 30-40 parts of paraffin wax, 16-24 parts of microcrystalline wax, 25-30 parts of petroleum resin, 8-14 parts of rosin resin, 5-10 parts of EVA, 2-5 parts of LDPE and 0.1-2 parts of additives; wherein the LDPE is composed of two kinds of LDPE with different melt indexes. By introducing the petroleum resin, rosin resin, ethylene-vinyl acetate copolymer (EVA) and low-density polyethylene (LDPE) into the paraffin wax and microcrystalline wax base system, and controlling the proportion between the resin system and the polyolefin reinforcing system, the adhesive wax has high viscosity and hardness at 100 DEG C, and the bending strength is improved. Thus, the comprehensive performance of the adhesive wax is achieved, i.e., the adhesive wax is not easy to sag at high temperature, is not easy to be pressed at room temperature, and is not easy to crack under stress.

The present application relates to the technical field of rubber processing aids, and particularly relates to a dispersant for rubber, a preparation method and application thereof.The dispersant for rubber comprises the following raw materials in parts by weight: 20-30 parts of stearic acid, 5-10 parts of microcrystalline wax, 1-5 parts of monoglyceride fatty acid ester, 2-7 parts of dispersing aid, and 1-5 parts of modified sodium lignosulfonate.The dispersant for rubber can improve the wetting and coating capacity of fillers, reduce the Mooney viscosity of rubber compounds, and improve the flowability of mixing and processing.In addition, the dispersant for rubber can improve the dispersion uniformity of fillers in the rubber system, and improve the interfacial bonding strength between fillers and rubber.Meanwhile, the dispersant for rubber can effectively avoid the migration and blooming of small molecule additives, and improve the appearance stability of rubber products.

The invention relates to the technical field of waxy materials, and particularly discloses light touch melting wax as well as a preparation method and application thereof, the light touch melting wax comprises the following components: 30-50 parts of ozokerite, 10-50 parts of microcrystalline wax, 3-7 parts of light microspheres, 6-12 parts of vegetable fat wax and 1-3 parts of a regulator; the touch melting wax prepared by the preparation method disclosed by the invention is light in texture, has temperature-responsive touch melting characteristic and oil locking capability, improves the wrapping and fixing capability of the wax on oily components by optimizing the crystal structure of the wax and introducing oil locking auxiliary components, is high in stability, can still keep stable oil locking performance in the storage process, and avoids oil migration and layering; the air permeability is improved by a network structure formed by dispersing introduced light microspheres, the melting temperature is close to the temperature of human skin, the melting time is less than 10s by adding the light microspheres and the regulator and optimizing the composition proportion of the microcrystalline wax and other raw materials, the product is quickly softened but does not flow when being touched, and a formed film layer is compact and has strong oil locking capacity.

The invention relates to a sealing ring material and a preparation method and application thereof, and belongs to the technical field of diaphragm pump components. The sealing ring material comprises the following components in parts by weight: 100 parts of a rubber matrix; 5 to 10 parts of boron nitride nanosheets; 5 to 10 parts of graphene oxide; 4-8 parts of microcrystalline wax; 3-6 parts of sulfur; 2-4 parts of sodium stearate; 1-4 parts of a vulcanization accelerator; 1-3 parts of zinc oxide; 4-8 parts of an anti-aging agent; the rubber matrix comprises nitrile rubber, chloroprene rubber and isoprene rubber, and the nitrile rubber accounts for 60-80 wt% of the total amount of the rubber. The sealing ring material provided by the invention has relatively good high temperature resistance, is not easy to soften and deform, also has relatively good air tightness and permeation resistance, and has obvious performance advantages when being used as a sealing ring for a diaphragm pump.

The invention discloses a temperature-sensitive hot compress composition based on vegetable wax-traditional Chinese medicine compounding and a preparation method of the temperature-sensitive hot compress composition, and relates to the technical field of thermal therapy materials. The temperature-sensitive hot compress composition based on vegetable wax-traditional Chinese medicine compounding comprises the following components in parts by weight: 25-40 parts of paraffin, 10-18 parts of microcrystalline wax, 15-25 parts of a soft wax compound, 8-15 parts of mineral oil, 5-12 parts of vegetable compound oil, 10-18 parts of a traditional Chinese medicine active system and 0.3-1.5 parts of a natural preservative. The invention further provides a preparation method of the vegetable wax-traditional Chinese medicine compounded temperature-sensitive hot compress composition. The multi-stage phase change temperature zone is constructed, normal-temperature efficient loading of the traditional Chinese medicine is achieved, oxidation and deterioration of the vegetable oil are inhibited, and the problems of traditional Chinese medicine inactivation and vegetable oil oxidation caused by high-temperature preparation of traditional hot compress materials are effectively solved.

The invention discloses mine tire sidewall rubber and a preparation method thereof, and relates to the technical field of tires. According to the technical scheme, the rubber comprises the following components in parts by weight: 100 parts of a rubber matrix, 40-55 parts of carbon black, 8-15 parts of basic aluminum sulfate, 3-5 parts of zinc oxide, 1-2 parts of stearic acid, 3-6 parts of a composite anti-aging agent, 1-2 parts of microcrystalline wax, 3-5 parts of tackifying resin, 1.8-2.2 parts of sulfur and 1.3-2.1 parts of an accelerant, the composite anti-aging agent is prepared from an anti-aging agent BXA, an anti-aging agent 3100 and an anti-aging agent 4020 according to the weight ratio of (1 to 2): (0.5 to 1.5): (1 to 1.5). According to the invention, the original ternary composite anti-aging agent is matched with the basic aluminum sulfate, so that the technical problem that high flex resistance and high tear resistance of traditional sidewall rubber are difficult to consider under mine working conditions is solved on the premise of not sacrificing processability and elasticity.

The invention discloses a waterproof UV (ultraviolet) curing coating and a preparation method thereof, trimethylolpropane triacrylate is used as a reactive diluent, 2-hydroxy-2-methyl-1-phenylacetone is used as a photoinitiator, polyurethane acrylate and modified filler are polymerized in the UV curing process of the coating, and a highly crosslinked waterproof UV curing coating is prepared. A perfluorocarbon chain structure and a hydrogen bond network are introduced into a polyurethane acrylate molecular chain, a molecular-level smooth super-hydrophobic layer is formed on the surface of the coating, and permeation of water molecules can be effectively blocked. The modified filler taking microcrystalline wax as a core and silicon dioxide as a shell is added, so that the wear resistance and scratch resistance of the coating can be remarkably improved, and meanwhile, the micro rough structure and the coating with low surface energy cooperatively construct a super-hydrophobic structure, so that the waterproof performance of the UV curing coating is improved.

The application belongs to the technical field of rubber tires, and discloses application of SiO2 / C composite material in a low-heat-generation tire tread.The low-heat-generation tire tread comprises the following raw materials in parts by mass: 100 parts of rubber, 0-50 parts of filler, 10-60 parts of SiO2 / C composite material, 3-8 parts of activator, 2-4 parts of vulcanizing agent, 2-5 parts of antioxidant, 0.5-1.5 parts of microcrystalline wax and 1-3 parts of silane coupling agent.In the application, the biobased SiO2 / C composite material can effectively replace carbon black and white carbon black in the tire preparation process, and the prepared tire has low heat generation.

The application belongs to the technical field of adhesives and sealants, and specifically provides a sealing wax as well as a preparation method and application thereof. The sealing wax comprises the following components in parts by mass: microcrystalline wax 40-60 parts, polyethylene wax 1-5 parts, ethylene-vinyl acetate copolymer 3-8 parts, low-molecular-weight polyisobutylene 2-5 parts, medium-molecular-weight polyisobutylene 2-5 parts, tackifying resin 15-20 parts, and flame retardant 3-5 parts. The number-average molecular weight of the low-molecular-weight polyisobutylene is less than 5000, and the viscosity-average molecular weight of the medium-molecular-weight polyisobutylene is 10000-40000. Through the design and mutual compounding of the components, the sealing wax has a high melting point, a low water absorption rate, a high volume resistivity, good high-temperature and low-temperature resistance, and strong waterproof and moisture-proof performance, high mechanical strength and toughness, high insulation, high transparency, and strong sealing effect, and has good flow leveling property and good flame retardant performance, and can meet the strict use requirements of high-end electronic equipment.

This utility model belongs to the field of silicon core tube technology, and in particular to a wear-resistant silicon core tube for communication. It includes a silicon core layer, and a repair layer is fixedly sleeved on the outer surface of the silicon core layer. The repair layer includes a first repair ring and a second repair ring. The first repair ring is composed of a plastic film containing liquid wax, and the second repair ring is composed of a plastic film wrapped with microcrystalline wax. Multiple first and second repair rings are alternately distributed to form the repair layer. This wear-resistant silicon core tube for communication, by installing the repair layer between the outer surface of the silicon core layer and the inner wall of the protective layer, utilizes the design of the first and second repair rings. When the silicon core tube is worn, the high temperature generated by friction dissolves the wax in the first and second repair rings and causes it to seep out through the damaged area. Then, through interaction with the silicone in the catalyst layer, it solidifies and seals, preventing liquid from entering the silicon core layer. This provides a convenient wear-resistant sealing protection for the silicon core tube.

The application discloses a kind of for promoting walnut incision healing and preparation method and application thereof, it is related to walnut cultivation protection technical field.The healing paste is by elastic film-forming base phase 12-35%, high water absorption / water release humidity particle phase 3-12%, hydrophobic water-blocking microphase 5-22%, rheological and interface control phase 1-8%, osmotic pressure and water activity adjustment phase 5-20% and the rest amount of water and preservative etc.composition according to mass percentage;Film-forming base phase includes aqueous polyurethane-acrylate copolymer emulsion and modified polyvinyl alcohol or polyvinyl alcohol-starch blend, humidity particle phase includes crosslinked sodium carboxymethyl cellulose and crosslinked starch or alginate microparticles, hydrophobic microphase includes beeswax, microcrystalline wax, vegetable oil and rosin resin.By preparing each functional phase in turn and assembling in aqueous system, obtain the healing paste suitable for walnut incision protection under different climatic conditions.

The invention is suitable for the technical field of additive manufacturing, and provides a printable wax-based sacrificial template and a metal-based composite material constructed by using the printable wax-based sacrificial template, the template comprises a paraffin matrix, microcrystalline wax, polyethylene wax, an ethylene-vinyl acetate copolymer and a composite organic acid auxiliary agent composed of stearic acid and palmitic acid according to a specific ratio, the formula is precisely designed to achieve excellent direct ink writing (DIW) printing performance, and a novel'solvent extraction-low temperature pyrolysis' two-stage synergistic demolding process is adapted. Through collaborative design of a material formula, a printing process and a demolding strategy, the technical contradiction between stable forming and lossless demolding of a high-precision sacrifice template with a complex structure is overcome, and the high-performance metal-ceramic composite material can be manufactured.

The application belongs to the technical field of functional coating materials, and particularly relates to a microcapsule encapsulated repairing agent, an anti-icing coating and a preparation method and application thereof. The microcapsule encapsulated repairing agent is prepared by taking a complex of epoxy resin and microcrystalline wax as a core material, wrapping the core material with an inorganic nanomaterial-graphene composite material to obtain a primary microcapsule, and then performing surface modification on the primary microcapsule with dopamine to form a photo-thermal modification layer. The microcapsule encapsulated repairing agent has a high-density micro-nano protrusion rough structure, which significantly increases the specific surface area of the microcapsule, greatly improves the effective surface area of photo-thermal conversion, and also helps to improve the bonding force between the microcapsule and the coating matrix.

The application relates to the technical field of cosmetics, in particular to a water-in-oil system makeup primer and a preparation method thereof. The water-in-oil system makeup primer comprises the following components in parts by weight: cosmetic-grade purified water, cetyl PEG / PPG-10 / 1 dimethicone, dimethicone, isononyl isononanoate, synthetic wax, microcrystalline wax, glycerol, 1,3-propanediol / octyldodecanol / ethylhexylglycerin, butylene glycol, sodium chloride and a polyoxyethylene (20) sorbitan monolaurate-polyoxypropylene (4) sorbitan monolaurate compound. The water-in-oil system makeup primer provided by the application can realize 80% high-aqueous-phase stable bearing, provide sufficient moisturizing reserves for dry skin, realize instant film forming and water locking during smearing, improve the water retention rate to more than 85%, solve the problem of water supplement efficacy attenuation, thereby realize the dual effects of instant water locking and long-acting moisturizing, and resolve the contradiction between water locking and skin feeling.

This invention belongs to the field of rubber antioxidant technology, and specifically relates to an anti-caking composite rubber antioxidant 6PPD and its preparation method. The anti-caking composite rubber antioxidant 6PPD is prepared by reacting 3-aminoadipic acid with 4-pentenyl isothiocyanate, grafting it onto silica using a silane coupling agent, and complexing it with lanthanum ions to obtain a functional antioxidant. This functional antioxidant is then compounded with a base antioxidant N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine, microcrystalline wax, and an antioxidant to prepare the anti-caking composite rubber antioxidant 6PPD. The prepared anti-caking composite rubber antioxidant 6PPD possesses multiple protective mechanisms—chemical protection, physical barrier, and multi-mechanism synergy—exhibiting excellent aging resistance, good processability, and easy storage due to its anti-caking properties.

The invention relates to the technical field of cosmetics, in particular to acer truncatum moisturizing pre-makeup cream and a preparation method thereof. The acer truncatum moisturizing makeup pre-cream is prepared from the following components in parts by weight: acer truncatum seed oil, cosmetic-grade purified water, cetyl PEG / PPG-10 / 1 polydimethylsiloxane, polydimethylsiloxane, isononyl isononanoate, synthetic wax, microcrystalline wax, glycerol, 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, propylene glycol monobutyl ether, propylene glycol monobutyl ether, propylene glycol monobutyl ether, propylene glycol monobutyl ether, propylene glycol monobutyl ether, propylene glycol the mannuronic acid tetrasaccharide micro-capsule is coated with 1, 3-propylene glycol / caprylyl glycol / ethylhexylglycerin, butanediol, sodium chloride, a sodium hyaluronate cross-linked polymer and temperature-sensitive polyglycerol-10 stearate. The acer truncatum seed oil containing 6% of nervonic acid serves as core lipid, temperature-sensitive type microencapsulated mannuronic acid tetrasaccharide and response type composite microcapsules are compounded, a'instant moisturizing-delayed moisturizing-barrier repairing 'triple synergistic system is constructed, the defects of a traditional technology are overcome, and the requirements of consumers for long-acting, efficient and mild pre-makeup care are met.

The present application belongs to the technical field of rubber materials for tires, and particularly relates to a new energy automobile tire sidewall rubber and a preparation method thereof. The sidewall rubber comprises the following components in parts by mass: natural rubber 35-45 parts, butadiene rubber 55-65 parts, carbon black 40-50 parts, white carbon black 3-8 parts, environmentally-friendly aromatic oil 3-7 parts, zinc oxide 2-3 parts, stearic acid 1-2 parts, antioxidant 4020 2-3 parts, antioxidant RD 0.5-1.5 parts, protective wax 1-2 parts, microcrystalline wax 0.8-1.2 parts, tackifying resin 2-4 parts, sulfur 1.2-1.8 parts, accelerator 1.5-2 parts, and anti-scorching agent 0.1-0.2 parts. The new energy automobile tire sidewall rubber prepared by the present application has low heat build-up, high hardness, excellent flex cracking resistance and fatigue resistance.

The invention relates to the technical field of composite rubber jackets for cables. The composite rubber sleeve is prepared from the following raw materials in parts by weight: 60 to 80 parts of chlorinated polyethylene rubber, 40 to 60 parts of ethylene propylene diene monomer, 20 to 30 parts of carbon black, 10 to 20 parts of precipitated calcium carbonate, 6 to 10 parts of talcum powder, 4 to 6 parts of filler, 2 to 4 parts of anti-aging agent, 3 to 5 parts of magnesium oxide, 0.6 to 0.8 part of paraffin, 0.2 to 0.4 part of polyethylene wax, 0.4 to 0.6 part of microcrystalline wax, 2 to 4 parts of antimony trioxide, 2 to 4 parts of chlorinated paraffin and 1 to 3 parts of additive. According to the invention, KH570 provides a reactive methacryloyloxy group which can also participate in a vulcanization system reaction, so that the interface bonding performance of the quartz powder, the mica powder and a material matrix is effectively improved, the strength performance of the composite rubber sleeve is effectively improved, and the service life of the composite rubber sleeve is effectively prolonged.

The application discloses a wax printing method for double-side wax coating, and the method steps comprise the following steps: 1, coating paraffin pattern on the front side of the cloth, the pattern in the middle is in the shape of a pattern, and the outer side is in the shape of a stripe; 2, sticking adhesive tapes on the back side of the cloth except the position opposite to the stripe shape, and coating a layer of microcrystalline wax on the rest part, the position of the microcrystalline wax layer corresponds to the stripe shape on the front side of the cloth; 3, removing the adhesive tapes on the back side of the cloth which have been coated with the microcrystalline wax, and then putting the cloth into a dye vat for immersion dyeing; 4, putting the cloth after the immersion dyeing into boiling water for wax removal; and 5, washing the cloth after the wax removal with clean water, and then cooling and drying to obtain the finished wax printing cloth. Through the wax printing method, the production and processing efficiency is improved, and the cost of the wax printing cloth is greatly reduced. The wax printing cloth processed by the method has clear pattern levels and obvious contrast effect, and the quality is greatly improved, and the effect is very obvious.

The application discloses a trinitrotoluene-based composite melt-cast explosive and a preparation method and application thereof, wherein the trinitrotoluene-based composite melt-cast explosive is prepared from trinitrotoluene, a physical insensitive agent and a bidirectional functional structure directing agent according to certain mass percentage components; the physical insensitive agent is microcrystalline wax, and the bidirectional functional structure directing agent is sorbitan monooleate; the sorbitan monooleate is used for synchronously realizing interface compatibility and interface combination between the trinitrotoluene and the microcrystalline wax, and regulating the crystallization behavior of the trinitrotoluene. The melt-cast explosive realizes high uniformity and high consistency of engineering charging quality, and the mechanical, safety and detonation performances are synergistically enhanced.

The invention discloses a preparation method of grapefruit lip balm, belongs to the technical field of cosmetics, and aims to solve the problems that the lip balm is insufficient in thin coating protection, sticky and easy to fall off and the like in winter in northern China, and the method comprises the following steps: mixing edelweiss extract coated microspheres, 5-6 parts of grapefruit essential oil modified precursor, shea butter, jojoba oil, microcrystalline wax and limonene; fully stirring to obtain an oil phase; adding sodium hyaluronate, vitamin E and grapefruit seed protein into deionized water, stirring and dissolving, heating to 50-60 DEG C, adding papain, and fully stirring to obtain a water phase; and pouring the water phase into the oil phase, fully stirring to form an emulsification system, naturally cooling, refrigerating and shaping to obtain a finished product. The lip balm prepared by the invention can realize long-acting moisturizing and anti-shedding in a thin coating state, has anti-allergy and soothing effects, is excellent in temperature change stability, and meets the use requirements of northern areas in winter.

The invention discloses a high-fire-resistance rubber floor cloth composition which comprises the following components in parts by weight: 70-100 parts of ethylene propylene diene monomer, 5-30 parts of silicone rubber, 5-50 parts of aramid short fibers and 5-50 parts of ceramic coating glass short fibers. The flame retardant is prepared from the following components in parts by weight: 3-8 parts of zinc oxide, 0.5-8 parts of stearic acid, 0.5-5 parts of microcrystalline wax, 0.3-6 parts of polyethylene wax, 0.5-5 parts of polyethylene glycol, 150-400 parts of a modified magnesium-aluminum composite flame retardant, 1-10 parts of a resin compatilizer, 0.5-3 parts of an anti-aging agent, 5-60 parts of white carbon black and 3-8 parts of a composite vulcanizing agent. The invention also provides high-fire-resistance rubber floor cloth prepared from the high-fire-resistance rubber floor cloth composition as a raw material, and a preparation method and application of the high-fire-resistance rubber floor cloth. The high-fireproof rubber floor cloth provided by the invention has outstanding fireproof performance and mechanical properties meeting requirements.