154 results about "Halloysite" patented technology

The invention belongs to the technical field of high polymer materials, and particularly relates to a high-strength plastic film and a preparation method thereof. The high-strength plastic film is prepared from the following raw materials in parts by weight: 80 to 90 parts of polylactic acid, 5 to 10 parts of polyurethane resin, 2 to 6 parts of flame-retardant modified halloysite, 2 to 6 parts of antioxidant modified halloysite, 0.5 to 2 parts of silane coupling agent and 1 to 3 parts of plasticizer. According to the invention, the halloysite is subjected to flame-retardant modification and antioxidant modification and is added into a PLA matrix, so that the halloysite can be used as an inorganic filler to reinforce the rigidity and strength of the PLA matrix, and also has flame-retardant and antioxidant dual functions; meanwhile, the tubular structure of the halloysite nanotube can form a zigzag path in a PLA matrix, so that diffusion of water vapor and oxygen is delayed, the water vapor permeation amount and the oxygen permeation coefficient are reduced, and the halloysite nanotube can be applied to food packaging to prolong the fresh-keeping period of food.

The present invention provides a modified silica aerogel powder having a higher water repellency and a larger contact angle, and a method for producing the same. At the same time, the present invention provides an aerogel slurry having a lower thermal conductivity and a method for producing the same. The present invention also provides a method for producing an aerogel insulating felt having low thermal conductivity, high mechanical strength, and capable of relatively well resolving the problem of powder shedding. The method for producing the modified silica aerogel powder includes the steps of (1) modifying halloysite nanotubes with dodecyl methacrylate and pentafluorophenyl methacrylate, (2) preparing a silica sol, (3) adding the modified halloysite nanotubes to the silica sol to prepare a wet gel, and (5) preparing the wet gel into the modified silica aerogel powder. The present application also provides a method for producing an aerogel slurry from the modified silica aerogel powder, and a method for producing an aerogel insulating felt from the aerogel slurry.

The invention relates to the technical field of phase-change materials, and discloses a light-operated composite phase-change material catalyst and a preparation method and application thereof, and a light-operated phase-change composite material is a paraffin-encapsulated metal M / halloysite / sodium alginate composite phase-change material; according to the metal M / halloysite / sodium alginate composite phase change material for packaging the paraffin, halloysite / sodium alginate aerogel loaded by metal M nanoparticles is used as a supporting material, and the paraffin is packaged in the metal M / halloysite / sodium alginate composite phase change material. According to the invention, the metal M / halloysite / sodium alginate composite phase change material for packaging paraffin is prepared by using the halloysite nanotube, the aerogel in the invention has a relatively large paraffin encapsulation amount, the encapsulation efficiency can reach up to 86%, and the phase change material can still maintain good mechanical and chemical stability after multiple heat absorption and release cycles. The melting and solidification of paraffin in the composite phase change material are controlled by turning on and turning off the light source, and the exposure and shielding of active sites are realized, so that the catalytic reaction is accurately started and stopped, and the complete starting and pausing of the reaction are realized.

The invention discloses a preparation method of a wear-resistant super-hydrophobic coating with double covalent bonding interfaces, which comprises the following steps: (1) sequentially adding deionized water, ammonia water and halloysite into absolute ethyl alcohol, continuously stirring under a water bath condition, then slowly dropwise adding tetraethoxysilane into the mixture, keeping high-speed stirring, and cooling to room temperature; nano silicon dioxide particles are generated on the surface of the halloysite in situ, and HNTs-SiO2 micro-nano particles are formed; (2) slowly dropwise adding a low-surface-energy substance into the mixed solution in which the micro-nano particles are generated in the step (1), and continuously stirring in a water bath to obtain a super-hydrophobic suspension; collecting precipitates after solid-liquid separation, and then drying, grinding and screening to obtain super-hydrophobic composite particles; and (3) dispersing waterborne polyurethane resin and the super-hydrophobic composite particles in the step (2) in deionized water containing a nonionic surfactant, uniformly mixing to obtain a coating, spraying the obtained coating on the surface of a substrate, and curing to obtain the wear-resistant super-hydrophobic coating.

The invention belongs to the technical field of polyvinyl chloride materials, and particularly relates to a supported co-stabilizer, a composite heat stabilizer, a PVC material and a preparation method and application thereof. According to the invention, halloysite modified by a coupling agent is used as a carrier, and MOFs are loaded to obtain the supported co-stabilizer. Wherein the interface compatibility of the modified halloysite and the MOFs is improved, so that agglomeration of the MOFs is inhibited, stress concentration is avoided, and thermal stable components are uniformly distributed; meanwhile, a rigid framework of the halloysite can be embedded among PVC molecular chains to compensate strength loss caused by the heat stabilizer, and a rigid crystal structure of the MOFs serves as an auxiliary reinforcement phase; in addition, MOFs efficiently capture hydrogen chloride generated by degradation of PVC, block conjugate discoloration, scavenge free radicals and delay aging. Under the synergistic effect of the two components, the heat stability and color stability of the further prepared PVC material are remarkably improved, and the mechanical property is powerfully guaranteed.

The present invention belongs to the technical field of enameled copper flat wires, and relates to a direct-weldable polyurethane enameled copper flat wire and a preparation process therefor. In the present invention, by means of adding a rare-earth element, halloysite nanotubes, silicon carbide and graphene, a polyurethane paint in an intermediate layer is modified, and the performance of the polyurethane paint in the intermediate layer is thus effectively improved. By means of adding the rare-earth element, grains of the polyurethane paint can be refined, such that the polyurethane paint can be better coated on a copper flat wire; adding the halloysite nanotubes enables a polymer to form a network structure, such that the polyurethane paint has better mechanical strength; and adding silicon carbide and graphene further improves the mechanical strength of the polyurethane paint, also enhances the barrier properties of the polyurethane paint, and reduces the permeation of external substances, such as moisture and oxygen, to the polyurethane paint, thereby contributing to improving the oxidation resistance of the polyurethane paint.

To provide a flame-retardant polycarbonate resin composition which does not generate toxic fumes at the time of combustion, passes regulations for PFAS and the like, has environmentally friendly advanced flame retardancy, and has excellent mechanical properties. The flame-retardant polycarbonate resin composition is characterized by comprising, with respect to 100 mass parts of a polycarbonate (A), 0.1-1.0 mass parts of halloysite (B), and 0.01-5 mass parts of a non-phosphorus-based or non-halogen-based flame retardant (C).

The invention discloses a composite degradation accelerant, a controllable degradation polyester composite material and a preparation method of the controllable degradation polyester composite material. According to the invention, the halloysite-loaded degradation accelerant is used for coating the degradation bacterium spores to form a core-shell structure, so that the composite degradation accelerant is obtained, the thermal stability of the degradation bacterium spores is improved, and the degradation bacterium spores can be subjected to thermal processing with biodegradable polyester; through the synergistic effect of the composite degradation accelerant and the degrading bacteria, the biodegradation rate of the biodegradable material is regulated and controlled; the composite degradation accelerant and biodegradable polyester are blended and compounded, and the degradation rate is regulated and controlled through the design of the load rate and the raw material ratio, so that the problem of poor controllability of the degradation rate of the existing biodegradable material is solved; the production process is simple, and the existing biodegradable polyester modification production line is adopted, so that large-scale industrial production can be realized.

The invention relates to the technical field of waterproof coatings, and discloses modified halloysite and a preparation method thereof, a composition for a non-curing waterproof coating, the non-curing waterproof coating and a preparation method and application of the non-curing waterproof coating. The method for preparing the modified halloysite comprises the following steps: (1) carrying out first mixing on sunflower seed meal and an ethanol solution to obtain extract liquor; the mass concentration of the ethanol solution is 40-60%; (2) carrying out second mixing on a raw material halloysite nanotube and the extract liquor to obtain the modified halloysite, in the step (1), the mass ratio of the sunflower seed meal to the ethanol solution is 1: (5-19); in the step (2), the use amount mass ratio of the raw material halloysite nanotube to the extract liquor is 1: (1.5-2.5). The non-curing waterproof coating prepared from the modified halloysite provided by the invention has good antibacterial and mildew-proof properties.

This invention relates to the field of composite current collector base film materials, and discloses a heat-resistant and aging-resistant composite current collector base film and its preparation process. It is prepared by melt extrusion and stretching of the following raw materials in parts by weight: 100 parts PET resin, 12-25 parts multi-component composite reinforcing filler, and 0.5-3 parts lubricant. The multi-component composite reinforcing filler is prepared through the following steps: S1, halloysite nanotubes are composited with aminated mesoporous alumina, modified, and then loaded with an antioxidant to obtain functionalized halloysite nanotube-alumina composite particles; S2, magnesium oxide is deposited on graphene oxide, and modified to obtain a modified graphene oxide-magnesium oxide composite; S3, after blending, polymer grafting is performed to obtain the multi-component composite reinforcing filler. This invention, through the multi-component composite reinforcing filler in PET resin, can comprehensively improve the heat resistance, aging resistance, and bonding strength between the base film and the metal layer of the PET resin-based composite current collector base film.

The present application relates to the technical field of building materials, and specifically discloses a water-resistant putty powder for interior walls and a preparation method thereof. A water-resistant putty powder for interior walls, the raw materials of which include: sulphoaluminate cement, nano-heavy calcium powder, silica fume, double MOF composite nanotubes, modified diatomaceous earth, polypropylene fiber, nano-titanium dioxide, defoaming agent, dispersant and mildew inhibitor. The double MOF composite nanotubes are obtained by loading copper trimesic acid in the inner cavity of halloysite nanotubes and loading dimethylimidazole cobalt on the outer wall; the modified diatomaceous earth is obtained by modifying diatomaceous earth with stearic acid. The water-resistant putty powder for interior walls of the present application uses double MOF composite nanotubes as the core functional material, and under the synergistic effect of multiple components, it effectively enhances the water resistance and air permeability of the putty layer.

The invention provides a wear-resistant anti-aging waterproof tarpaulin and a preparation method thereof, and belongs to the technical field of tarpaulin. The wear-resistant anti-aging waterproof tarpaulin comprises a base cloth layer and a PVC (polyvinyl chloride) coating coated on the base cloth layer, wherein the PVC coating is prepared from the following raw materials: 70 to 90 parts of PVC paste resin, 5 to 15 parts of a composite plasticizer, 10 to 30 parts of TiO2-HNTs powder, 3 to 5 parts of chlorinated paraffin, 8 to 12 parts of an additive and 80 to 100 parts of a solvent. The titanium dioxide and the halloysite nanotubes are compounded, the titanium dioxide is loaded on the halloysite nanotubes, agglomeration of the titanium dioxide is prevented, and the mechanical property and wear resistance of the tarpaulin can be effectively enhanced by adding the halloysite nanotubes.

The invention relates to the technical field of NBR composite materials, in particular to a low-temperature-resistant wear-resistant NBR composite material and a preparation method and application thereof. The invention provides a low-temperature-resistant wear-resistant NBR (nitrile-butadiene rubber) composite material, which is prepared from the following components in parts by mass: 100 parts of NBR raw rubber, 2 to 6 parts of zinc oxide, 0.5 to 2 parts of stearic acid, 30 to 80 parts of carbon black, 1 to 3 parts of 2-mercaptobenzimidazole, 2 to 12 parts of oleylamine grafted halloysite nanotubes, 0.5 to 2 parts of sulfur and 0.5 to 4 parts of N-cyclohexyl-2-benzothiazole sulfenamide. According to the low-temperature-resistant wear-resistant NBR composite material, the compatibility of the additive and the NBR raw rubber is good, and the blooming phenomenon is avoided.

The invention discloses a lightweight high-strength aluminum alloy profile for vehicles and a preparation process thereof, and belongs to the technical field of aluminum alloys, the lightweight high-strength aluminum alloy profile for vehicles comprises basic components and enhanced components, the basic components comprise, by weight, 0.6%-1.2% of Mg, 0.7%-0.8% of Si, 0.3%-0.5% of Mn, 0.03%-0.05% of Cr and 0.3%-0.4% of Fe; the reinforcing component comprises 0.7%-2.1% of pretreated halloysite and 1%-5% of rare earth doped ceramic particles; less than or equal to 0.1% of other inevitable impurity elements and the balance of aluminum; the pretreated halloysite is halloysite subjected to dehydration treatment. The alpha-Al2O3 particles and the transition metal boride are introduced by adding the pretreated halloysite and in-situ generation of the rare earth doped ceramic particles, the mechanical property of the aluminum alloy profile is improved, the heat dissipation performance of the material is effectively improved, and the overall performance of the aluminum alloy profile is improved.

This invention discloses a slow-release fertilizer suitable for lateritic soils in Hainan, comprising a fertilizer core and a coating layer; the fertilizer core comprises the following raw materials in parts by weight: 10-20 parts isobutylene diurea, 1-3 parts 3,4-dimethyl-1H-pyrazole dihydrogen phosphate, 1-3 parts dicyandiamide DCD, 20-30 parts humic acid, and 30-50 parts organic fertilizer; the coating layer comprises the following raw materials in parts by weight: 5-10 parts natural nanotube halloysite, 3-5 parts bentonite, 5-10 parts cyclodextrin, 1-3 parts polyglutamic acid, 1-3 parts wood vinegar, and 5-10 parts polyacrylamide. The isobutylene diurea, humic acid, and organic fertilizer of this invention can effectively replenish organic matter and nitrogen in iron-aluminate soil, maintain soil nitrogen levels, and effectively control the conversion of ammonium nitrogen to nitrate nitrogen in lateritic soil, thereby reducing nitrogen loss and achieving a stable supply of nitrogen. In addition, polyglutamic acid and polyacrylamide have strong water retention capacity, and the fertilizer core is coated with a coating layer to achieve slow release and water retention.

The present application relates to the technical field of catalytic materials, and discloses a halloysite nanotube loaded palladium-platinum bimetallic alloy catalyst and a preparation method thereof, the catalyst comprising heat pretreated halloysite and uniformly dispersed palladium-platinum bimetallic alloy particles, and the mass ratio of palladium, platinum and heat pretreated halloysite being 0.012-0.022:0.012-0.022:1. The preparation method comprises mixing the heat pretreated halloysite with palladium chloride and chloroplatinic acid hexahydrate, adding concentrated ammonia water to adjust the pH to 9-11 to form an ammonia complex; obtaining a precursor through a hydrothermal reaction, and adding sodium borohydride for liquid phase reduction. The bimetallic alloy phase produces geometric and electronic synergistic effects, thereby reducing the reaction activation energy; the ammonia complex ion is chemically bonded with the hydroxyl group of the carrier to prevent the loss of active components in the hydrothermal environment. The catalyst is combined with glycerol to produce hydrogen in situ, thereby avoiding the safety hazards and equipment investment of external high-pressure hydrogenation, and realizing the high-yield conversion of green diesel under extremely low noble metal loading.

The application discloses a kind of halloysite-based adsorbents and its preparation method and application, belong to fluoride removal agent material technical field, soluble Al 3+ Salt solution is dropped into 50~95 ℃ halloysite and alkali metal Cl ‑ In the suspension formed by salt solution, pH value is controlled to be 8~11, co-precipitation reaction, Al 3+ And Cl ‑ Form [AlCl4] ‑ Coordination, hydrolysis boehmite type alumina and load in halloysite, obtain composite product;The composite product is calcined at 400~700 ℃, and halloysite-based adsorbent is obtained.The crystal form of the alumina loaded under the condition of pH=8~11 synthesized in the application is boehmite, and it can be converted into active alumina with relatively large adsorption activity to fluoride ion by calcining at 400~700 ℃, and the active alumina is mainly loaded in the inner / outer tube of halloysite, which is a wormhole porous structure, and the loading of active alumina improves the micropore ratio of the adsorbent, thereby improving the adsorption performance.

The application provides a waterproof coating prepared from red mud and a preparation method thereof, wherein the waterproof coating includes, by mass fraction, 300-350 parts of pure propylene emulsion, 150-200 parts of butyronitrile latex, 40-60 parts of halloysite, 40-60 parts of titanium white powder, 100-150 parts of ground red mud, 100-150 parts of heavy calcium powder, 2-3 parts of cellulose ether, 4-6 parts of dispersing agent, 1-3 parts of wetting agent, 3-5 parts of defoaming agent, 2-4 parts of preservative, 6-8 parts of iron red powder, 0.5-1.5 parts of organic color paste and the rest water; the waterproof coating can be prepared from the waste red mud, is more environmentally friendly, has low production cost, and has good waterproofness, strength, adhesion, crack resistance and weather resistance.

Halloysite powder is disclosed. The halloysite powder includes a granule in which halloysite including halloysite nanotubes and titanium oxide are aggregated. The granule includes a first pore derived from a tube hole of the halloysite nanotubes, and a second pore different from the first pore. The halloysite powder may have a differential pore distribution determined from a nitrogen adsorption isotherm by BJH method exhibiting two or more pore size peaks.

The invention relates to the technical field of waterproof coiled materials, in particular to an anti-aging waterproof coiled material and a preparation process thereof. The preparation process of the anti-aging waterproof coiled material comprises the following steps: preparing the composite antioxidant, preparing the composite anti-ultraviolet agent, preparing the modified chitosan flame retardant and preparing the waterproof coiled material. The preparation method comprises the following steps: pretreating halloysite nanotubes, dispersing the pretreated halloysite nanotubes in an ethanol solution, adding tetraethoxysilane, carrying out a reaction under the catalysis of dibutyltin dilaurate to obtain a nano-hybrid carrier, carrying out surface modification on the nano-hybrid carrier by using KH-560, and loading 4-aminodiphenylamine on the surface of the nano-hybrid carrier by using a bridging effect of the KH-560 to obtain the 4-aminodiphenylamine loaded nano-hybrid carrier. According to the present invention, the supported composite antioxidant is prepared, can be uniformly dispersed in the waterproof coiled material matrix after being added into the waterproof coiled material so as to improve the thermo-oxidative aging resistance of the waterproof coiled material, and can be used as the rigid skeleton after being dispersed in the waterproof coiled material matrix so as to effectively improve the tensile strength of the waterproof coiled material.

This invention relates to a wear-resistant phase change energy storage material and its preparation method, belonging to the field of energy storage material technology. The invention uses hydrazine hydrate and a hydrothermal method to prepare a mixture of tetragonal zirconium oxide and cerium oxide through complexation, followed by calcination in high-purity oxygen to obtain a CeO2-ZrO2 mixture. This mixture exhibits good wear resistance, resulting in a longer service life for the prepared phase change energy storage material. The invention also prepares modified halloysite nanotubes using a combination of impregnation and microwave methods. Impregnation allows a mixture of graphene and yttrium oxide to be uniformly loaded onto the halloysite nanotubes, forming a composite material. Microwave heating allows for rapid and uniform heating of the sample, enabling better bonding of graphene and yttrium oxide on the halloysite nanotubes and the formation of stable chemical bonds among the three. Furthermore, the invention introduces titanium carbide into the phase change energy storage material, which significantly improves the overall hardness of the material, thereby enhancing its wear resistance.

The application discloses a kind of gel electrolyte and preparation method, application thereof.The preparation method of the gel electrolyte includes the following steps: S1: halloysite nanotube HNTs, polyvinylidene fluoride PVDF or polyvinylidene fluoride-hexafluoropropylene PVDF-HFP, N-methylpyrrolidone NMP mixed solution is coated on matrix, and film precursor is prepared;In mixed solution, the content of HNTs is 1~9%;PVDF or PVDF-HFP content is 9~10%;S2: the matrix coated with film precursor is cooled from bottom, then is removed to coagulation bath, and PVDF@HNTs composite film or PVDF-HFP@HNTs composite film can be prepared;The cooling condition is to be cooled to-80~60℃ in 5s;S3: PVDF@HNTs composite film or PVDF-HFP@HNTs composite film is immersed in electrolyte, and drying can be carried out.The gel electrolyte provided by the application presents honeycomb structure, and it has the effects of high stability, excellent mechanical properties and electrochemical properties.

The application relates to the technical field of composite phase change materials, and discloses a halloysite / carbon black aerogel encapsulated paraffin composite phase change material as well as a preparation method and application thereof. Sodium alginate is dissolved in deionized water, halloysite nanotubes and carbon black are added after stirring and dissolving, pyrrole is added after uniform mixing, and stirring is conducted; then, an initiator is added to initiate polymerization to form a hydrogel; the obtained hydrogel is directionally frozen by liquid nitrogen and then freeze-dried to obtain HCSA aerogel; the HCSA aerogel is immersed in molten paraffin to encapsulate paraffin, and the halloysite / carbon black aerogel encapsulated paraffin composite phase change material is obtained. The HCSA aerogel forms a stable three-dimensional porous structure by virtue of multi-component synergistic effect, the compressive strength is significantly improved, and the encapsulation rate of the PW is significantly improved; the PW@HCSA has excellent shape stability and thermal stability, and meets the long-term use requirement of thermal energy storage.

The application discloses a kind of iron phosphate material and its preparation method, belong to material technical field.The method is still based on high cost-effective hydrothermal system, in the case of conventional introduction each raw material, with urea intercalation halloysite nanotube as additive mixture, the substance can slowly release urea to maintain the stable balance of system pH during hydrothermal process, and the urea stability in intercalation is improved at high temperature, it will not be rapidly decomposed in the initial stage of reaction because of the high temperature and high pressure of hydrothermal system, finally prepared iron phosphate material has ideal structure morphology, and the lithium iron phosphate positive electrode material prepared by using the iron phosphate precursor obtained by the method has excellent electrochemical performance.

This invention relates to the field of oil well cementing technology, and discloses a slow-release nano-early strength agent, its preparation method, and cement slurry. The slow-release nano-early strength agent includes a carrier and an early strength agent loaded on the carrier. The carrier comprises halloysite nanotubes, and the early strength agent comprises one or more of chloride, sulfate, nitrate, and organic compounds. The weight ratio of the early strength agent to the carrier is (5-30):100. This invention utilizes the unique cavity structure of halloysite nanotubes and the strong interfacial interaction with cement to synthesize a slow-release nano-early strength agent, thereby improving the early strength of cement and extending the cement thickening time.

The invention discloses a high-flame-retardant and high-flexibility composite material for a cable and a preparation method thereof, and belongs to the technical field of polymer composite materials. The composite material is composed of methyl vinyl silicone rubber, a hydrogenated styrene-butadiene block copolymer, polyether modified silicone oil, a phosphorus-containing flame retardant, a special flame-retardant synergist and auxiliaries such as a vulcanizing agent, a release agent and an antioxidant. Wherein the flame-retardant synergist is prepared by reacting a zinc ion loaded aminated halloysite nanotube with a phosphorus-nitrogen prepolymer, and has synergistic flame-retardant and enhancing effects. The composite material provided by the invention has a vertical combustion grade of UL94 V-0, an oxygen index of 36.8%-39.3%, a Shore A hardness of 40-45 and an elongation at break of 276%-296%, has excellent flame retardance, flexibility, smoke suppression and mechanical stability, is suitable for insulation and sheaths of cables in the fields of new energy, rail transit, aerospace and the like, and has wide application prospects. The technical problem that flame retardance and flexibility of a traditional material are difficult to consider at the same time is solved.

An additive composition comprising activated kaolinite and up to about 5 wt% halloysite based on the weight of kaolinite and halloysite is disclosed. Also disclosed is a method of regulating a rheological property of a cementitious composition.

The invention belongs to the technical field of porous ceramics, and relates to aluminum oxide porous ceramics for membrane separation and a preparation method and application thereof.The preparation method of the aluminum oxide porous ceramics comprises the following steps that porous alpha-aluminum oxide powder, halloysite nanotubes and a binding agent are mixed according to the proportion; adding water to prepare uniformly mixed pug or slurry; forming a green body from the pug or slurry in an extrusion molding, compression molding or tape casting manner; drying the green body at room temperature to 120 DEG C until the moisture content of the green body is less than or equal to 1wt% to obtain a dried green body; and heating the dried green body to 1300-1600 DEG C from room temperature in an air atmosphere at a heating rate of 1-5 DEG C / min, and keeping the temperature for 1-4 hours to obtain the aluminum oxide porous ceramic. The alumina porous ceramic prepared by the invention has high porosity, high mechanical strength and excellent pure water flux.

This invention is directed to transition metal-based-halloysite nanocomposites and methods of making and using the same.

The invention relates to the technical field of building materials, in particular to halloysite sea sand geopolymer mortar as well as a preparation method and application thereof. The halloysite sea sand geopolymer mortar is prepared from the following raw materials in parts by weight: 500 parts of a cementing material, 140 to 280 parts of natural sand, 420 to 560 parts of sea sand, 203 parts of an alkali activator, 1 part of halloysite nanotubes and 46 to 48 parts of water. The preparation method comprises the following steps: ultrasonically dispersing halloysite nanotubes in half of mixing water; mixing and stirring the alkali activator and the cementing material to prepare slurry; adding natural sand and sea sand, and stirring; and finally, adding the halloysite dispersion liquid and the residual water and stirring. And molding, vibrating and curing the obtained mixture to obtain a finished product. Through the synergistic effect of the halloysite nanotubes and the geopolymer system, on the premise that the sea sand is not desalted, high-proportion resource utilization of the sea sand is achieved, and the prepared mortar has excellent mechanical properties and chloride ion penetration resistance and is especially suitable for coastal and island engineering construction.