1318 results about "Crosslinked polymers" patented technology

Provided are: a window material and a light-transparent roof material which can autonomously change white turbidity in accordance with the temperature, and which have a simple structure and are easy to manufacture; and a vehicle, a ship, or an airplane, and a building comprising the window material and / or the light-transparent roof material. A window material or a light-transparent roof material according to the present invention comprises at least one light-transparent base material layer and at least one pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer is formed from a pressure-sensitive adhesive composition containing, with respect to 100 parts by mass of a pressure-sensitive adhesive agent, 1-20 parts by mass of a thermosensitive noncrosslinked polymer and 1-100 parts by mass of thermosensitive crosslinked fine particles. The refractive index of the thermosensitive crosslinked fine particles is reduced as the temperature increases, and the reduction rate of the refractive index is larger in the vicinity of the melting temperature of the thermosensitive crosslinked fine particles than in a temperature range other than the vicinity of the melting point. The adhesive power of the pressure-sensitive adhesive composition is reduced as the temperature increases, and the reduction rate of the adhesive power is larger in the vicinity of the melting temperature of the thermosensitive non-crosslinked polymer than in the temperature range other than the vicinity of the melting point.

The invention provides a high-temperature-resistant magnesia-carbon composite refractory brick and a preparation method thereof, and belongs to the technical field of magnesium oxide refractory wall bricks, the refractory brick comprises the following raw materials: double-layer modified magnesium oxide, modified crystalline flake graphite, zircon powder, modified liquid phenolic resin and a benzoxazine cross-linking agent; the double-layer modified magnesium oxide is obtained by firstly coating magnesium oxide with powder phenolic resin, aluminum oxide and zirconium oxide and then coating magnesium oxide with asphalt, micron magnesium oxide, zirconium oxide and calcium oxide; the modified crystalline flake graphite is obtained by coating crystalline flake graphite with strontium hydroxide, asphalt and boron carbide; the modified liquid phenolic resin is formed by mixing liquid phenolic resin with a silane coupling agent and a polyacrylate cross-linked polymer. Double-layer modified magnesium oxide, modified crystalline flake graphite and modified liquid phenolic resin are prepared by adopting special components and a method and are matched with zircon powder and a benzoxazine cross-linking agent for use, and a reasonable forming and sintering process is designed, so that the refractory brick has good high-temperature stability, oxidation resistance, thermal shock resistance and the like.

The invention discloses an anti-scale cross-linked polymer fracturing fluid and a preparation method thereof, and relates to the technical field of petroleum fracturing fluids. When the anti-scale cross-linked polymer fracturing fluid is prepared, allylamine hydrochloride and epoxy chloropropane react to prepare a double-bond chlorinated intermediate; reacting the double-bond chlorinated intermediate with lauramidopropyl dimethylamine to prepare a cationic monomer; copolymerizing a cationic monomer and acrylamide to prepare a cationic polymer; the preparation method comprises the following steps: reacting L-lysine with formaldehyde and phosphorous acid to prepare phosphoric acid modified lysine; reacting the phosphoric acid modified lysine with allyl glycidyl ether to prepare a phosphoric acid modified monomer; acrylamide and an anionic monomer are copolymerized to prepare an anionic polymer; the anionic polymer and the cationic polymer are dissolved in water to prepare the anti-scale cross-linked polymer fracturing fluid. The anti-scale cross-linked polymer fracturing fluid prepared by the invention has the advantages of scale prevention, good temperature resistance, good shear resistance and self-crosslinking.

The present disclosure provides a crushed stone extraction system, comprising a delivery apparatus and a hydrogel. The hydrogel comprises a first composition and a second composition. The first composition comprises at least one crosslinkable polymer. The second composition comprises at least one crosslinking agent. The crosslinkable polymer is configured to be delivered to a lithotripsy position by the delivery apparatus and then encapsulate the crushed stones. The crosslinking agent is configured to be delivered to the lithotripsy position by the delivery apparatus and then react with the crosslinkable polymer to form an elastic hydrogel body encapsulating the crushed stones. The delivery apparatus is configured to adsorb the elastic hydrogel body and then remove the crushed stones. The present disclosure can remove multiple or even all of the fine crushed stones that cannot be taken out by conventional means at a time, thereby reducing the pain of patients.

The invention belongs to the technical field of capacitor carbon preparation, and particularly relates to coal tar-based capacitor carbon and a preparation method and application thereof. Comprising the following steps: by taking coal tar as a carbon source, carrying out Friedel-Crafts reaction under the action of a cross-linking agent and a catalyst to obtain a tar-based cross-linked polymer; and carbonizing the tar-based cross-linked polymer at 600-900 DEG C in a protective gas atmosphere to obtain the coal tar-based capacitor carbon. The coal tar is used as a carbon source, the coal tar is subjected to Friedel-Crafts reaction to obtain the coal tar-based hypercrosslinked polymer, the hypercrosslinked polymer can be directly subjected to one-step high-temperature carbonization without any activating agent to obtain the high-performance coal tar-based capacitor carbon, the method is simple, the cost is low, the carbon yield is high, and the method is suitable for industrial production. The prepared capacitor carbon has a high specific surface area, abundant micropores and a disordered structure, is applied to a supercapacitor as an electrode material, and shows excellent electrochemical performance and stability.

The invention relates to a composite solid electrolyte and a preparation method and application thereof. The preparation method of the composite solid electrolyte comprises the following steps: S1, mixing an inorganic filler and a fluorine-containing compound, and reacting at 70-90 DEG C under an acidic condition to obtain an inorganic filler wrapped by a fluorinated layer; then adding a fluorine ion complexing agent and a silane coupling agent for reaction to obtain a modified filler; adding a thermal decomposition type cross-linking agent into the polymer, and carrying out melt blending to obtain a cross-linked polymer; s2, uniformly mixing the modified filler, a cross-linked polymer, a lithium salt and a solvent to obtain a plurality of slurries containing the modified filler with different volume concentrations; and molding the slurry to prepare the composite solid electrolyte. According to the method, the fluorinated layer and the siloxane network are constructed step by step, so that the interface impedance is reduced, and efficient dissociation of the lithium salt is promoted; a three-dimensional network structure is combined, so that the tensile strength is improved; the modified filler is further designed in a gradient manner to improve the lithium ion transference number.

A photocurable composition including: a self-crosslinking polymer including a first monomer unit including an aryl ketone residue in a side chain, and a second monomer unit including in a side chain an aliphatic hydrocarbon residue including a carbon atom susceptible to a hydrogen abstraction reaction and / or an aromatic ring residue; and a solvent. Also, a method for manufacturing a semiconductor device including the steps of forming a resist film on a semiconductor substrate, forming a resist pattern by irradiating the resist film with light or an electron beam and then developing the resist film, and processing the semiconductor substrate by etching, the method further including a step of forming a protective film from the photocurable composition on the front edge and optionally the bevel and / or the back edge of a wafer for manufacturing a semiconductor.

The present invention relates to a composite sulfide electrolyte, and a preparation method therefor and a use thereof. The composite sulfide electrolyte has a three-dimensional crosslinked structure formed by connecting a sulfide electrolyte and a dynamic bond-containing crosslinked polymer by means of chemical bonds. The polymer contains a sulfur element and exhibits relatively higher stability when interacting with the sulfide electrolyte, the chemical crosslinking between the sulfide electrolyte and the dynamic bond-containing crosslinked polymer is formed by means of multiple chemical bonds, such as a disulfide bond and an amido bond, and a strong binding force and self-healing function are provided, in order to simultaneously solve the problems of interfacial delamination and cracking caused by mechanical stress inside the sulfide electrolyte. When applied in an all-solid-state battery, the composite sulfide electrolyte can improve the limiting current density and cycle stability of the all-solid-state battery.

The invention provides a silicon-based negative pole piece and a lithium ion battery comprising the same, and relates to the technical field of lithium ion batteries. Comprising a negative electrode current collector, a second active material layer arranged on at least one surface of the negative electrode current collector, and a first active material layer arranged on the surface of the second active material layer. The design of the two active material layers ensures high energy density, and meanwhile, the formula design is optimized by combining the bonding characteristic of the interface layer, so that large internal stress is prevented from being generated in the charging and discharging process; the organic porous cross-linked polymer is applied to the negative pole piece, and the polymer is loose and porous and can be subjected to cross-linked polymerization in a high-temperature process, so that negative pole particles are tighter, expansion of a silicon negative pole in a charging and discharging process can be buffered, and stripping and cracking of the pole piece are prevented.

The invention relates to a cured product of phosphonium styryl modified unsaturated resin and a preparation method thereof. The cured product is a cross-linked polymer of phosphonium styryl modified unsaturated resin and a free radical polymerization monomer; wherein the phosphonium styryl modified unsaturated resin is obtained by carrying out quaternary phosphonium reaction on phosphorus-containing unsaturated resin and 4-vinyl benzyl halide. The cured product has good flame retardant property.

The invention discloses a method for efficiently preparing an ionic super-crosslinked polymer by a mechanochemical method as well as a product and application of the ionic super-crosslinked polymer, and belongs to the technical field of polymer material preparation. The preparation method comprises the following steps: adding a nitrogen-containing monomer, a cross-linking agent and a catalyst into a good solvent to obtain a reaction solution; carrying out planetary ball milling treatment on the reaction liquid, and carrying out a Friedel-Crafts alkylation reaction; and after the reaction is completed, recovering and purifying the product to obtain the ionic super-crosslinked polymer. The ionic super-crosslinked polymer prepared by the preparation method disclosed by the invention has a highly crosslinked and abundant pore structure, and meanwhile, the ionic super-crosslinked polymer has the performance advantages of good adsorption performance, excellent chemical stability and high thermal stability. The synthetic method of the ionic super-crosslinked polymer provided by the invention is efficient, energy-saving and environment-friendly, the product quality is high, and the method has wide popularization and application prospects.

The invention discloses a composite diaphragm, a preparation method thereof and a secondary battery. The composite diaphragm comprises a base diaphragm, the polymer coating is arranged on at least one surface of the base membrane, and the polymer coating comprises a cross-linked polymer which is formed by in-situ polymerization of a first monomer and a second monomer and has a network structure; wherein the first monomer is a monomer at least comprising a carbon-carbon double bond and an ester functional group; the second monomer is a monomer at least comprising a carbon-carbon double bond and a carbonyl functional group. Compared with the prior art, the composite diaphragm disclosed by the invention is applied to the lithium ion battery, and when the battery is overheated or short-circuited and other abnormal conditions, the polymer coating forms a compact cross-linked polymer network, so that the defect that the traditional polyolefin substrate diaphragm is easy to break at high temperature is overcome, the occurrence of thermal runaway of the battery is effectively inhibited, and the service life of the battery is prolonged. The electrochemical reaction of the battery can be stopped, and the safety of the battery is remarkably improved.

The invention relates to the field of fire resistance, in particular to a composite fiber reinforced refractory brick and a preparation method thereof.The composite fiber reinforced refractory brick is prepared from, by weight, 70-80 parts of mullite, 40-50 parts of quartz, 20-30 parts of alumina, 40-60 parts of magnesium aluminate spinel fine powder, 5-10 parts of silicon carbide powder, 1-5 parts of composite fibers and 0.5-1 part of sodium tetrapolyphosphate; wherein the composite fiber is composed of modified zirconium oxide fiber and magnesium metal fiber. According to the preparation method, zirconium oxide fiber dispersion liquid, hydroxyethyl methylacrylate and N, N-methylene acrylamide are subjected to cross-linking polymerization under the action of a silane coupling agent, an initiator and an emulsifier, macromolecular chains are loaded on the surfaces of zirconium oxide fibers, the macromolecular chains are taken as cross-linking points, the zirconium oxide fibers are mutually linked to form a cross-linked polymer, and the zirconium oxide fibers are uniformly dispersed in the cross-linked polymer. The two-dimensional zirconium oxide fibers are constructed into a three-dimensional network structure, and the modified zirconium oxide fibers are prepared. The composite fiber can significantly enhance the strength and mechanical toughness of the refractory brick.

The invention relates to a modeling method in the field of molecular dynamics, in particular to an automatic polymer full-atom molecular dynamics modeling method, and the polymer modeling process is divided into three core steps: firstly, converting SMILES of a repetitive unit into SMILES of a polymer; secondly, constructing a single-chain structure; and finally, constructing a multi-chain amorphous system. The link of cross-linking reaction needs to be additionally added to the cross-linked polymer. According to the invention, through the built-in DREIDING force field parameters, an input file required by the Lammps molecular dynamics can be directly operated and generated.

The invention relates to a crosslinked polymerized composition, comprising a crosslinker comprising a —Sn— moiety and having at least two polymerizable groups, wherein n is an integer of from 2 to 8, and one or more polymers. The invention also relates to methods of making a reversibly-crosslinked polymer by reacting the components of the polymerized composition via a reactive extrusion process, resulting in reversibly-crosslinked polymer having dynamic crosslinks.

The invention provides a delamination-resistant embedded silicone hydrogel contact lens having an insert that is embedded in a silicone hydrogel bulk material. The insert is made of a crosslinked polymeric material having a refractive index higher than that of the silicone hydrogel bulk material by at least 0.07 and comprises a diffractive structure disposed on one of the front and back curve surfaces of the insert for providing a diffractive power that contributes to the overall optical power of the contact lens.

The invention discloses a proton-type ionic liquid super-crosslinked polymer and a preparation method and application thereof in carbon dioxide adsorption, proton-type ionic liquid is used as a connection building block, and the two types of connection building blocks are subjected to catalytic polymerization by adjusting the ratio of the proton-type ionic liquid to a cross-linking agent connection building block to obtain the proton-type ionic liquid super-crosslinked polymer. The proton type ionic liquid super-crosslinked polymer obtained by the invention has a super-crosslinked anion network structure. The carbon dioxide adsorption and separation capacity is obviously improved by utilizing a high specific surface area, a high total pore volume and exposed multi-nitrogen sites, so that efficient, high-capacity and reversible adsorption of carbon dioxide gas is realized.

A separation membrane, a preparation method therefor and a use thereof in magnesium and lithium separation are provided. The separation membrane includes, in sequence, a base material layer, a porous support layer, a polyamide layer and a modification layer. Cross-linked polymers forming the modification layer has structural units provided by polyphenols and polyamines, at least some of the structural units provided by the polyphenols are connected to the polyamide layer via ortho positions of phenolic hydroxyl groups. The preparation method includes sequentially preparing the porous support layer, the polyamide layer and the modification layer on the base material layer. The method of preparing the modification layer includes under a first pressure, bringing one side of the polyamide layer into first contact with the polyphenol solution; then under a second pressure, bringing one side of the polyamide layer into second contact with the polyamine solution, to complete a self-assembly reaction.

The present invention relates to a weather-resistant and anti-aging polyethylene pipeline and a preparation method thereof, and belongs to the technical field of polymer materials. The pipeline adopts high-density polyethylene resin, linear low-density polyethylene resin, polyimide resin powder, nano silicon dioxide, nano hexagonal boron nitride, polybenzimidazole fiber, carnosic acid, zinc glycyrrhetinate, antioxidant 1010, hindered amine light stabilizer, polydimethylsiloxane titanate cross-linked polymer, 3-methacryloxypropyl triethoxysilane as raw materials; wherein, polyimide resin powder, carnosic acid and zinc glycyrrhetinate are uniformly mixed, and then modified at 300°C to 350°C for 30min to 60min to obtain a modified product, which can better improve the weather resistance and aging resistance of the pipeline. Each component is compatible with each other, and a special modified preparation method is adopted to better play the synergistic effect of the components, and greatly improve the weather resistance and aging resistance of the polyethylene pipeline.

The invention discloses a synthesis method of a super-crosslinked polymer, which comprises the following steps: putting a FeCl3 solid into a reactor, and keeping the reactor in an oxygen-free and water-vapor-free state; adding a mixed solution of a substrate and reactants into a reactor for first reaction to obtain a first reactant; adding methanol into the first reaction product for quenching, and filtering the quenched product to obtain a second product; washing and drying the second product to obtain a super-crosslinked polymer; wherein the substrate is prepared from 2, 7-bis (nitrogen carbazolyl)-9, 9-difluorofluorene or 2, 7-bis (nitrogen carbazolyl)-9, 9-dimethyl fluorene, or 2, 7-bis (nitrogen carbazolyl)-9, 9-difluorofluorene or 2, 7-bis (nitrogen carbazolyl)-9, 9-dimethyl fluorene; the reactant comprises dimethoxymethane or 1, 4-dimethoxybenzene, and the catalyst comprises a catalyst and a catalyst. The HCP material containing carbazole-fluorenyl is a porous polymer containing N and F atoms, and is an effective CO2 adsorbent. The invention provides a synthesis method of the substance for the first time, and the substance is applied to effective adsorption of CO2.

A self-standing, interconnected polymer-ceramic composite solid electrolyte is provided. The composite electrolyte includes a ceramic electrolyte scaffold defining a plurality of interconnected pores having a porosity of 45 to 55%. A crosslinked polymer electrolyte is disposed within the plurality of pores. A surface protection layer, including a linear polymer electrolyte is disposed on an exterior surface of the ceramic electrolyte scaffold. A method of manufacturing a composite electrolyte is also provided. The method includes combining a ceramic electrolyte, a binder, and a solvent to give a ceramic electrolyte slurry cast to give a ceramic electrolyte layer. The ceramic electrolyte layer is sintered to give a porous ceramic electrolyte scaffold defining a porosity of 45 to 55%. A polymer precursor solution is prepared and used to infiltrate the ceramic electrolyte and then cured.

The invention provides a silicon-based negative electrode material, a preparation method of the silicon-based negative electrode material, a dry-method electrode, a battery and electric equipment, and belongs to the technical field of battery manufacturing. The silicon-based negative electrode material is of a core-shell structure, an inner core is a silicon-based material, a shell is a cross-linked polymer layer, the cross-linked polymer layer can conduct ions but cannot conduct electrons, the silicon-based negative electrode material can effectively inhibit PTFE from generating side reaction with lithium ions on the surface of a negative electrode, and meanwhile, the service life of the silicon-based negative electrode material is prolonged. And the problems of electrode pulverization, falling and the like caused by volume expansion of the silicon-based material in the charge-discharge process can be effectively solved, so that the corresponding battery has relatively excellent first discharge gram capacity, first efficiency and cycle performance.

The invention provides a lithium ion battery binder for inhibiting silicon expansion, a negative pole piece, a lithium ion battery and an electric device, and relates to the technical field of lithium ion batteries. The lithium ion battery binder capable of inhibiting silicon expansion comprises a first polymer and a second polymer, wherein the first polymer is a cross-linked polymer with dynamic reversible covalent bonds; wherein the dynamic reversible covalent bond comprises a disulfide bond or a borate bond; the binder network provided by the invention not only can effectively limit the excessive slippage of a polymer and provide higher mechanical strength, but also can generate reversible fracture and recombination at a stress concentration point in the charging and discharging process due to the dynamic reversibility of a disulfide bond or a borate bond, converts concentrated stress into fracture energy of a chemical bond and dissipates the fracture energy, so that the mechanical strength of the polymer is improved, and the service life of the polymer is prolonged. Therefore, permanent damage of the network is avoided, the pole piece structure is kept complete in long-term circulation, and stable electrochemical performance is achieved.

The invention discloses a temperature-reversible and washable shape memory adhesive material as well as a preparation method and application thereof. The shape memory adhesive material is a cross-linked polymer of octadecyl acrylate, dodecyl acrylate and UDA. The adhesive material provided by the invention has the characteristics of integrating temperature reversible adhesion, cleanability and shape memory, has a reversible adhesion function due to the phase change characteristic, is in a semi-crystalline state at the temperature lower than room temperature, shows non-viscosity, is in an amorphous state at the skin temperature and shows strong adhesion, and realizes temperature reversible adhesion of the material; the material has a cleanable characteristic and can be cleaned up after being contaminated by pollutants, and the adhesion of the material is not influenced; the shape memory characteristic is realized, and the reversible adhesion and repeated use of the adaptive micro-fluidic chip can be realized as an adhesive patch.

The invention relates to resin for electronic component packaging and a preparation method thereof, and belongs to the technical field of high polymer materials, the resin raw materials comprise epoxy resin, an organosilicon prepolymer, a polyamide acid solution, a modified core-shell structure filler, a polydimethylsiloxane alcohol-methylsilanol-silicate ester cross-linked polymer, a silane coupling agent and the like. The resin matrix adopts an organosilicon-epoxy-polyimide-cross-linked polymer quaternary interpenetrating network, the functional filler adopts a specially modified core-shell heterostructure functional filler, the performance breakthrough is realized through a novel composite system and a step-by-step controllable process, and the composite material has good filling property, thermal conductivity and stability, and is suitable for large-scale production. Good packaging of electronic components can be realized, and the service life is long.

The invention discloses a DA bond polymer with antibacterial and self-repairing functions for a wood surface as well as a preparation method and a use method of the DA bond polymer. Chitosan serves as a wall material, cinnamon essential oil serves as a core material, the cinnamon essential oil and chitosan antibacterial microcapsules are prepared through emulsification, crosslinking and spray drying, and essential oil controlled release is achieved. Then bisphenol A diglycidyl ether DGEBA and furfuryl alcohol FA are used as raw materials, furyl functional epoxy resin FER is prepared under the catalysis of triethylamine TEA, bismaleimide BMI is added, and a DA bond self-repairing polymer is prepared through a DA reaction; and adding 4, 4-diaminodiphenylmethane DDM into the system, reacting with redundant DGEBA to generate a cross-linked polymer network, and adding the microcapsules into a DA bond semi-interpenetrating self-repairing network solution to obtain the DA bond polymer. A thin film formed by brushing and curing wood has antibacterial and self-repairing functions, scratches and microcracks on the surface of the wood can be repaired, and microbial erosion is inhibited.

The invention relates to a secondary battery, a gel electrolyte precursor solution, a preparation method and an electric device. The secondary battery comprises an electrode plate; any electrode plate independently comprises an electrode active material layer; the secondary battery comprises a gel electrolyte, the gel electrolyte comprises a first gel electrolyte and a second gel electrolyte, the first gel electrolyte is located inside the electrode active material layer, and the second gel electrolyte is located outside the electrode pole piece; each of the first gel electrolyte and the second gel electrolyte independently comprises a cross-linked polymer, a gelation solvent and an electrolyte salt; the cross-linked polymer comprises a carbon-based chain segment; the gel electrolyte includes a polymerization inhibition residue. Wherein the gel electrolyte can be formed by soaking an electrode plate in a gel electrolyte precursor solution containing a polymerization inhibitor, forming and curing, so that polymerization inhibition residues can be formed in the secondary battery. The secondary battery has excellent capacity exertion and cycle performance.

The invention provides a solid-state electrolyte membrane based on a bicontinuous lithium-conducting network and a preparation method and application of the solid-state electrolyte membrane. The solid electrolyte membrane comprises a three-dimensional ceramic lithium-conducting network, and the three-dimensional ceramic lithium-conducting network is a three-dimensional continuous porous ceramic skeleton; pores of the three-dimensional ceramic lithium-conducting network are filled with the cross-linked polymer lithium-conducting network; the cross-linked polymer lithium-conducting network contains lithium salt and a plasticizer; wherein the three-dimensional ceramic lithium-conducting network and the cross-linked polymer lithium-conducting network form a space interpenetrating structure through physical interlocking and / or chemical bonding, and Li < + > migration paths of the three-dimensional ceramic lithium-conducting network and the cross-linked polymer lithium-conducting network are continuously communicated at least in the thickness direction. According to the high-strength solid-state electrolyte membrane based on the bicontinuous lithium conduction network, through the synergistic effect of the ceramic network and the polymer network, the cycle performance of a lithium battery is improved while the mechanical and electrochemical aspects are remarkably improved, and the high-strength solid-state electrolyte membrane is suitable for large-scale application of a high-energy-density solid-state battery.

The invention provides a battery activating agent and a preparation method thereof, an activating film, a negative plate, a battery, a battery pack and electric equipment. The battery activating agent comprises a shell and a sustained-release material packaged in the shell, the sustained-release material comprises an additive required for forming an SEI film; the shell comprises a first polymer layer close to the sustained-release material and a second polymer layer far away from the sustained-release material, the first polymer layer comprises a plurality of first micropores, the second polymer layer comprises a plurality of second micropores, the second polymer layer comprises a cross-linked polymer formed by cross-linking a C-C unsaturated polymer, and the cross-linked polymer comprises a cross-linked polymer formed by cross-linking a C-C unsaturated polymer. The aperture of the first micropores is not more than 0.2 mu m, and the aperture of the second micropores is not less than 0.5 mu m. The battery activator disclosed by the invention can continuously provide an additive required for forming an SEI film for a battery cell, so that the capacity exertion and cycling stability of the battery cell are ensured.

The invention discloses a forming process of a cosmetic powder block and the cosmetic powder block. The forming process comprises the following steps: mixing: mixing raw materials of the cosmetic powder block to obtain a mixed material body; filling, namely filling the mixed material body into a mold at the temperature of 15-40 DEG C; demolding and drying; the mixed material body comprises the following components in parts by mass: 0.02-1 part of an adhesive; 20 to 65 parts of powder; 0.5 to 35 parts of emollient; 0.05 to 3 parts of an anti-corrosion component; 0.05 to 4 parts of an emulsifier; 40 to 80 parts of a solvent; the adhesive is prepared from at least one of a polyacrylate cross-linked polymer-6, sodium polyacryloyldimethyl taurate and ammonium acryloyldimethyl taurate / beheneth-25 methacrylate cross-linked polymer. According to the technical scheme, the compact cosmetic powder block can be prepared through a normal-temperature filling technology, air holes are not prone to being generated in the surface of the prepared powder block, excellent compactness and falling resistance are achieved, better water resistance and sweat resistance are achieved, and makeup removal is not prone to occurring.