865 results about "Water repellent" patented technology

The invention relates to the technical field of filling materials, and particularly discloses an ardealite-based high-strength anti-seepage filling material and a preparation process thereof, the ardealite-based high-strength anti-seepage filling material comprises 50%-65% of pretreated ardealite, 15%-25% of Portland cement, 5%-15% of superfine slag powder, 5%-10% of electrolytic manganese residues, 5%-8% of silica fume, 3%-6% of metakaolin, 2%-4% of a composite alkali activator and 0.5%-1.2% of a polycarboxylic acid water reducer, 0.3%-0.8% of an organic silicon water repellent and 0.05%-0.1% of cellulose ether; according to the invention, through chemical reaction of Mn < 2 + > in the electrolytic manganese residue and SO4 < 2-> in the phosphogypsum, micron-sized manganite crystals (MnAl2 (SO4) 4. 22H2O) are generated to actively fill internal micro-cracks of the material, so that a filling body is endowed with a self-repairing function and the impermeability is improved, and a composite alkali activator composed of NaOH and water glass is used for synergistically activating potential gelling activity of the superfine slag powder and the silica fume, so that the self-repairing filling material is prepared. And the formation of hydration products is accelerated, and 0.3-0.5 T of pulsed magnetic field is applied in the stirring process, so that the manganite crystals are guided to orderly grow along the expected stress direction of the filling body, and the compressive strength is improved.

The invention relates to the technical field of cement-based soil curing agents, and particularly discloses a roadbed soil cement cementing material curing agent and a use method thereof. The curing agent comprises Portland cement, coal gangue particles, fly ash, silica fume, an anti-permeability reinforcing agent, a water reducing agent and fibers. The anti-permeability reinforcing agent is prepared by the following steps: (1) dispersing polyaluminum sulfate powder into absolute ethyl alcohol, then adding a silane coupling agent and a water repellent agent, and heating and preserving heat under a stirring condition; and then separating out solids to obtain the modified polyaluminum sulfate. And (2) adding the modified polyaluminum sulfate into water, heating and preserving heat under a stirring condition, drying by distillation to remove water, and grinding the obtained solid product. The curing agent provided by the invention not only reduces the adverse effect of acid soil on the stability of a formed soil consolidated body, but also improves the impermeability and the durability of the soil consolidated body.

The invention relates to the technical field of waterproof agents for fabrics, and particularly discloses a fluoride-free waterproof agent for fabrics and a preparation method of the fluoride-free waterproof agent. The preparation method specifically comprises the following steps: dehydrating polyol / ester, adding isocyanate, heating to 80-90 DEG C, reacting for 2-3 hours, cooling, dropwise adding a chain extender, reacting for 0.5-1 hour at 45-48 DEG C, adding POSS, stirring for 1-2 hours at 45-48 DEG C, adding an acrylic monomer A for blocking, cooling, dropwise adding acid, stirring and neutralizing to obtain a prepolymer; pouring the prepolymer into water, stirring and emulsifying to obtain a POSS-PU emulsion; quickly stirring the POSS-PU emulsion, an acrylic monomer B, an emulsifier, water, a co-emulsifier, a pH regulator and the like to obtain a composite emulsion; homogenizing the composite emulsion until the composite emulsion has obvious blue light; and adding dodecanethiol and an azo amidine initiator, reacting at 68-70 DEG C for 3-7 hours, cooling, filtering and taking out to obtain the fluoride-free waterproof agent.

The present invention discloses a tensile and wear-resistant washed kraft paper and its preparation process, which relates to the technical field of kraft paper. The process includes the following steps: Step 1: Add color paste, waterborne acrylic resin, preservative, reinforcing agent, softening agent, curing agent, and waterproofing agent into a solvent in sequence and stir evenly to obtain a sizing slurry; Step 2: Coat the sizing slurry on the base paper, and successively perform extrusion, ultraviolet light irradiation, first drying, ironing, and second drying to obtain the tensile and wear-resistant washed kraft paper. In this application, by preparing specific reinforcing agent and waterproofing agent and introducing them into the sizing slurry for sizing, the interfacial action between the sizing slurry and the base paper is effectively improved, thereby improving the tensile and wear resistance of the washed kraft paper while enhancing the flame retardant performance; it can achieve the purpose of replacing plastic, leather, and cloth with paper.

The invention belongs to the technical field of ocean engineering materials, and particularly relates to an underwater concrete self-repairing material containing dynamic disulfide bonds as well as a preparation method and application of the underwater concrete self-repairing material. The underwater concrete self-repairing material containing the dynamic disulfide bond comprises the following components in parts by weight: 50-70 parts of a hardening agent which is an epoxy prepolymer containing the dynamic disulfide bond; the water repellent agent comprises 20-35 parts of a curing agent and 1-3 parts of an accelerant. According to the underwater concrete self-repairing material containing the dynamic disulfide bonds, the epoxy prepolymer containing the dynamic disulfide bonds serves as a main network, the epoxy prepolymer is broken under the action of external force, and then new covalent bonds can be formed through spontaneous recombination to repair microcracks.

The invention discloses a fluoride-free waterproof sound-transmitting film and a preparation method thereof, and the fluoride-free waterproof sound-transmitting film comprises the following components in percentage by mass: 30-40% of a fluoride-free polymer; 4.5%-11.5% of a fluoride-free waterproof agent; 0.5%-3.5% of a cross-linking agent and 45%-65% of a solvent; the solvent is a mixed solvent of N 'N-dimethylformamide, N' N-dimethylacetamide, acetone and ethyl acetate, and the mass ratio of the amide solvent in the mixed solvent is 60%-85%; the preparation method of the fluoride-free waterproof sound-transmitting film comprises the following steps: preparing a spinning solution; carrying out electrostatic spinning by utilizing electrostatic spinning equipment to obtain a continuous and uniform nano spinning membrane; the method comprises the following steps: uniformly depositing nanofibers on a nano spinning film base material, and carrying out post-treatment to obtain a finished product of the fluoride-free waterproof sound-transmitting film, the fluorine-free safe and healthy product with good water resistance and air permeability, high rebound resilience and excellent acoustic performance is successfully prepared through selection of raw materials, preparation of a spinning solution, spinning process parameters and fine regulation and control of post-treatment conditions.

The invention relates to the technical field of concrete waterproofing agents, in particular to a high-efficiency concrete anti-crack waterproofing agent and a preparation method thereof, and the high-efficiency concrete anti-crack waterproofing agent is prepared from the following raw materials in parts by weight: a calcium sulphoaluminate expanding agent; light burning of magnesium oxide; re-burning the magnesium oxide; nano-scale silicon dioxide; metakaolin; polypropylene fibers; basalt fibers; styrene-acrylic emulsion; a silane emulsion; silica fume; hydroxypropyl methyl cellulose; and a polycarboxylic acid water reducer compatilizer. According to the high-efficiency concrete anti-crack waterproof agent disclosed by the invention, the nano-silica, the metakaolin and the styrene-acrylic emulsion synergistically block nano-to-macroscopic multi-stage pores, so that double waterproofing of physical filling and chemical film forming is realized; the polypropylene and the basalt fiber are subjected to ultrasonic dispersion and interface combination optimization to form a three-dimensional anti-crack network, the component uniformity and the functional stability are ensured through precise proportioning, graded mixing and directional granulation, meanwhile, the waterproof agent is compatible with industrial production fluctuation, large-scale application reliability is ensured, and the problems that a traditional waterproof agent is single in function and insufficient in durability are solved.

The invention provides a modified single-component polyurea waterproof coating as well as a preparation method and application thereof and a hydraulic concrete protective coating structure, and relates to the technical field of hydraulic concrete protection. The modified single-component polyurea waterproof coating provided by the invention is prepared from the following raw materials by mass: polytetrahydrofuran polyol, polyether triol, fluorine-containing polyether polyol, FEVE type fluorocarbon resin, organic silicon polyether glycol, a water repellent agent, isocyanate, a defoaming agent, a diluent, a dispersing agent, a catalyst, a latent curing agent, a coupling agent, a water removal agent, a pigment filler, a thixotropic agent and a plasticizer. The modified single-component polyurea waterproof coating has excellent comprehensive mechanical properties, anti-icing adhesion performance and ice pulling resistance, and the problem of freezing injury is thoroughly solved; the surface roughness is low, the hydrophobicity is high, and resistance and roughness are reduced; the water resistance is high; the coating is high in adhesive force. The modified single-component polyurea waterproof coating is applied to cold region hydraulic concrete anti-freezing damage protection engineering, and the long-term operation protection performance is good.

The ultrafine leather coater and the waterproof and breathable highly wear-resistant ultrafine leather of the present invention belong to the technical field of fabric surface treatment. When the ultrafine leather coater coats the ultrafine leather fabric substrate, the ultrafine leather fabric substrate can be stretched horizontally while being coated. The ultrafine leather fabric substrate passes above the coater. Through the extrusion of the first piston assembly and the second piston assembly and the expansion or retraction of the rolling ring group, the coating liquid can be sprayed onto the ultrafine leather fabric substrate at a certain speed during coating, improving the coating effect. The coating liquid includes alumina, which improves the hardness and wear resistance of the coating liquid, and also includes silicon carbide, which can enhance the wear resistance and scratch resistance of the coating liquid. During the molding of the ultrafine leather fabric substrate, a water repellent is added to the impregnating liquid, making the produced ultrafine fiber synthetic leather have high air permeability, water vapor permeability, and waterproof performance.

The invention discloses a high-strength moisture-proof gypsum board and a preparation method thereof, and relates to the technical field of gypsum board preparation. The high-strength moisture-proof gypsum board is prepared by dipping the surface paper in the composite dipping liquid and then pouring the surface paper and the gypsum core with the waterproof agent, the composite dipping liquid comprises the methoxy vinyl ether copolymer and the epoxy polyoxymethylene dimethyl ether, and the methoxy vinyl ether copolymer is 2, 3, 5-trimethyl-1, 3-pentanediol monoisobutyrate. According to the present invention, epoxy polyoxymethylene dimethyl ether is prepared by reacting 2, 4-dimethoxymethoxyphenylacetic acid with 2-hydroxyethyl vinyl ether, and the epoxy polyoxymethylene dimethyl ether is prepared by terminating polyoxymethylene dimethyl ether with allyl and then reacting with phthalimide hexperoxy acid, such that the waterproofness and the mechanical property of the gypsum board are improved; the waterproof agent is prepared by reacting hydrogen-containing silicone oil and fluorine-containing hyperbranched amide polyurea urethane, so that the moisture resistance and bonding strength of the gypsum board surface paper are enhanced, and additional mechanical support is provided for the gypsum board.

The invention discloses a preparation method of a road base mixture curing agent based on construction waste recycled aggregate, and relates to the technical field of modified composite materials. According to the method, the construction waste recycled aggregate is collected and treated, and crushing and grinding are performed after impurities are removed, so that a proper particle size is obtained. Then, mixing the modified epoxy resin, a silane coupling agent, nano silicate, an organic silicon water repellent, a surfactant, a defoaming agent and water according to a preset proportion to form a silicate solution; in the preparation process of the modified epoxy resin, an epoxy resin emulsion reacts with other additives in a nitrogen atmosphere, so that the generated curing agent is ensured to have excellent mechanical properties and water resistance. The final curing agent is formed by adding boric acid into a silicate solution, heating and reacting, and drying. The curing agent not only improves the strength and stability of the road base mixture, but also effectively utilizes the construction waste, realizes resource recycling, and meets the requirements of sustainable development.

The invention discloses a preparation method of fluorine-free hydrolysis-resistant knurling polyurethane synthetic leather, which comprises the following steps: preparing wet-process polyurethane resin for leather by adopting PTMG (polytetramethylene glycol) with proper polymerization degree as a chain extender through a pre-polymerization process, preparing soft hydrolysis-resistant wet-process polyurethane resin by adopting bio-based poly-farnesyl alcohol as a main raw material through an insufficient method, and preparing the fluorine-free hydrolysis-resistant knurling polyurethane synthetic leather by adopting a high-temperature-resistant wet-process polyurethane resin. The two components are matched to optimize and balance the embossing performance and the thickness retention rate, the finally obtained soft hydrolysis-resistant polyurethane synthetic leather product is soft and glutinous in hand feeling and good in hydrolysis resistance, the thickness reaches the standard, and embossing is clear and does not rebound; a fluorine-containing water repellent does not need to be added, and the method is simple in process, low in cost and energy consumption and excellent in product performance.

The invention discloses an efficient flame-retardant waterproof and fireproof coating for a special humid environment and a preparation method, and relates to the technical field of waterproof and fireproof coatings, the waterproof and fireproof coating is prepared from a composite base material, a composite flame retardant, a nano waterproof agent, a moisture-proof auxiliary agent, a functional filler and a mixed auxiliary agent; the adhesive force and flexibility of the coating are synergistically improved through a molecular chain interpenetrating network, dual protection of a super-hydrophobic surface and a compact barrier layer is achieved in combination with a core-shell structure nano waterproof agent, a molecular-level moisture-proof barrier is constructed by adopting dual-intercalation modified bentonite, water vapor permeation can be effectively inhibited, and based on a ternary synergistic flame-retardant system, the flame-retardant performance of the coating is improved. An efficient expanded carbon layer is formed through coating modification and an eutectic structure, the fire endurance of the coating can be remarkably enhanced, in addition, the functional filler strengthens the mechanical property and the flame-retardant synergistic effect through multi-stage structural design and surface modification, the cross-linked network density is optimized in cooperation with gradient polymerization and irradiation curing processes, and the fire endurance of the coating can be remarkably improved. And finally, the bottleneck of performance degradation of the traditional coating in a humid environment is broken through.

The invention discloses a corrugated carton with waterproof and antibacterial properties, and belongs to the technical field of logistics packaging materials. The corrugated carton is formed by bonding surface paper, inner paper and corrugated paper. The surface paper, the inner paper and the corrugated paper are coated with a layer of composite waterproof antibacterial emulsion before being bonded, and a layer of waterproof antibacterial film is obtained; the composite waterproof antibacterial emulsion is prepared from the following components in parts by weight: 40 to 50 parts of waterborne polyurethane, 30 to 35 parts of acrylic resin emulsion, 20 to 25 parts of modified palm wax emulsion, 8 to 10 parts of composite waterproof antibacterial material dispersion liquid, 4 to 6 parts of organic silicon waterproof agent, 3 to 5 parts of nano zinc oxide, 2 to 4 parts of propylene glycol methyl ether acetate, 0.5 to 2 parts of hydroxyethyl cellulose and 0.1 to 0.5 part of defoaming agent. The corrugated carton prepared by the invention has good adhesion, waterproofness and antibacterial property.

The invention provides anti-erosion hydraulic concrete and a preparation method thereof, and belongs to the technical field of concrete. The concrete comprises the following components: composite cement, high-activity nano-modified metakaolin, blast furnace slag powder, low-calcium fly ash, coarse aggregate, natural river sand fine aggregate, granite machine-made sand fine aggregate, an erosion inhibitor, a functional additive, an early-strength polycarboxylic high-performance water reducer, a composite air entraining agent and the like. The composite cement comprises sulphoaluminate cement, Portland cement and polymer waterproof mortar. The high-activity nano modified metakaolin is obtained by modifying metakaolin with an organic silicon-ZnO composite emulsion and then drying. The erosion inhibitor comprises organic carboxylate, a hydrophobic-crystallization complexing agent and a pH buffer type corrosion inhibitor. The functional auxiliary agent comprises an itaconic acid and acrylic acid copolymer, a JRY-F concrete waterproof agent and polyethylene glycol-400 dilaurate. The composite air entraining agent comprises liquid sodium abietate and sodium alpha-olefin sulfonate. Through component synergism, modification and grading, an anti-erosion barrier is constructed.

The invention discloses a water-based nano anti-crack waterproof agent for concrete and a preparation method of the water-based nano anti-crack waterproof agent, and relates to the field of building materials. 10 to 25% of a silane emulsion; 20-40% of an acrylate copolymer emulsion; 0.5 to 5% of modified nano cellulose; 3-8% of a polycarboxylic acid water reducer; 0.1-1% of a defoaming agent; and the balance of water. Nano silica sol permeates concrete capillary pores and participates in a hydration reaction to improve the compactness of a matrix, a three-dimensional toughening network is constructed in cooperation with oriented crosslinking of carboxyl on the surface of TEMPO oxidized nano cellulose and gamma-aminopropyl silane, and micro cracks are covered with a flexible sealing layer formed by an acrylate copolymer. Active inhibition of cracks and long-acting blocking of water are synergistically realized, shearing force is regulated and controlled in a segmented manner through a stepped stirring process, the demulsification risk of an emulsion is avoided, and the storage stability of a system is remarkably improved.

The invention discloses a pH accurate response type water repellent agent for a cement-based material based on isoelectric point characteristics and a preparation method of the water repellent agent. The hydrophobic agent comprises a hydrophobic substance inner core dispersed in a dispersing agent, an amphoteric surfactant layer which is adsorbed on the surface of the inner core and has electric point characteristics, and an inorganic nanoparticle coating layer coating the amphoteric surfactant layer, and the hydrophobic agent is in an emulsion state. The preparation method comprises the following steps: adding the ampholytic surfactant with the electric point characteristic into the dispersing agent, uniformly stirring, then adding the hydrophobic substance, continuing stirring treatment, then adding the inorganic nanoparticles, and stirring and emulsifying to obtain the hydrophobic agent. According to the prepared hydrophobic agent, accurate release of hydrophobic substances in the later stage of cement hydration is achieved, interference of early release on cement hydration is avoided, and the stability and the long-term effect of the hydrophobic effect are remarkably improved.

The invention relates to a preparation method of a low-smoke halogen-free flame-retardant cable sheath material, and belongs to the technical field of cable materials. The cable sheath material is obtained by self-making a flame retardant and blending the flame retardant with polyethylene, a phosphorus-silicon-boron cross-linked network exists in the flame retardant, a protective layer is formed during combustion, the smoke amount is reduced while flame retardance is achieved, and low-smoke halogen-free flame retardance is achieved through phosphorus-silicon-boron synergy; according to the flame retardant disclosed by the invention, a phosphorus-oxygen group is connected with a silicon-oxygen group through a benzene ring, polarity mutation is buffered, and the flame retardant integrally presents low polarity, so that the compatibility between the flame retardant and a polyethylene matrix is enhanced, the flame retardant is more uniformly distributed in the matrix, the interface bonding is more excellent, and the mechanical property of the material is remarkably improved; and a long-chain siloxane coating structure in the flame retardant can form a water repellent layer on the surface of the material to achieve a hydrophobic effect, so that the dielectric property of the material is not influenced in a humid environment, and the stability and safety of power transmission are ensured.

The invention belongs to the technical field of aluminum alloy cables, and discloses a high-strength heat-resistant light-weight green aluminum alloy cable which sequentially comprises a silver-aluminum alloy conductive core, a conductor shielding layer, an insulating layer, an insulating shielding layer, a PP filling rope, a non-woven fabric wrapping tape, a steel belt and a heat-resistant flame-retardant waterproof outer sheath layer from inside to outside. The silver-aluminum alloy conductive core comprises the following components in percentage by weight: 0.01 to 0.3 percent of Cu, 0.3 to 0.8 percent of Fe, 0.03 to 0.1 percent of Si, 0.01 to 0.05 percent of Zn, 0.02 to 0.05 percent of Mg, 0.001 to 0.04 percent of B, 0.01 to 0.08 percent of Ag and the balance of Al; the silver and copper microalloying effect is cooperated with the molded line film drawing process, so that the strength and the conductivity of the conductor are improved; and the outer sheath layer takes a polydimethylmethylhydrosiloxane grafted waterproof agent and a 4-vinyl aniline polymer as functional modifiers, and PVC is compounded, so that the cable is endowed with excellent heat-resistant, flame-retardant and waterproof characteristics.

The invention discloses a long-acting durable waterproof paint with a self-repairing function and a synthesis method thereof, and relates to the technical field of waterproof paints.The long-acting durable waterproof paint is prepared from self-repairing matrix resin, a bi-component microcapsule self-repairing agent, a fluorine-silicon modified waterproof agent, a nano reinforcing filler and a weather-proof additive; through the synergistic effect of a dynamic disulfide bond and an interpenetrating network, the balance of molecular-level self-repairing and macroscopic mechanical properties is achieved, the efficiency bottleneck of single-component self-repairing is broken through through a two-component microcapsule system, a three-dimensional cross-linked structure of the fluorosilicone modifier endows the super-amphiphobic property, meanwhile, the hydrophobic and oleophobic properties are achieved, and the self-repairing effect is good. In addition, a multi-scale reinforcing system is constructed through the gradient nano filler, so that the crack growth needs to consume higher energy, and finally, the integrity of the microcapsule and the accurate control of the crosslinking degree of the resin are ensured through a specific curing process in the synthesis process, so that the waterproof coating finished product has excellent self-repairing capability, weather resistance and waterproof performance.

The invention belongs to the technical field of fuel cells, and relates to a microporous layer with a humidity self-adjusting function and a preparation method thereof, and the microporous layer with the humidity self-adjusting function is of a hydrophilic and hydrophobic mixed structure and is arranged between a cathode catalyst layer and a cathode gas diffusion layer. Comprising a carbon material, a hydrophobic polymer and a ceramic oxide modified by a sulfonic acid group, the proton exchange membrane fuel cell adopting the microporous layer has a humidity self-adjusting function during working; the preparation method comprises the following steps: uniformly dispersing a carbon material and a ceramic oxide modified by a sulfonic acid group in ethanol and / or isopropanol to obtain a dispersion liquid, adding a water repellent agent into the dispersion liquid, uniformly mixing to obtain a microporous layer slurry, and finally coating the microporous layer slurry on the gas diffusion layer to obtain the gas diffusion layer. And drying at a constant temperature to obtain the microporous layer with the humidity self-adjusting function. With the adoption of the microporous layer, the comprehensive performance and the long-term stability of the fuel cell can be remarkably improved; the preparation method is simple.

Provided is a polymer to be used in a water repellent agent for fibers, the polymer including a repeating unit derived from a monomer (1) represented by formula (1-1): CRaRb=C(-Rc)-X-CY3-nZn or formula (1-2): CRaRb=C(-Rc)-X-NY2-nZn [in each of the formulae: Ra, Rb and Rc each independently represent a hydrogen atom or a hydrocarbon group having 1-5 carbon atoms; X represents a single bond or a divalent group; Y's each independently represent a hydrogen atom, or a hydrocarbon group having 1-10 carbon atoms; n represents an integer of 1 or 2; Z's each independently represent -Z1-SiZ2 3; Z1 represents a single bond or a divalent group; Z2's each independently represent -(O-Si(-OSiZ21 3)2)p-O-SiZ22 3; Z21's each independently represent a hydrocarbon group having 1-10 carbon atoms or -OSiZ211 3; Z211's each independently represent a hydrocarbon group having 1-10 carbon atoms; Z22's each independently represent a hydrocarbon group having 1-10 carbon atoms or -OSiZ221 3; Z221's each independently represent a hydrocarbon group having 1-10 carbon atoms; and p represents an integer of 0-196].

Provided is a water repellent composition containing a polymer (A), a polyether-modified polydimethylsiloxane (B), and an aqueous medium (C). The polymer (A) contains a repeating unit derived from a monomer (a1) represented by the formula CH2=C(-R11)-C(=O)-R12 (in the formula, R11 is a hydrogen atom or a methyl group and R12 is a C9-40 hydrocarbon group.).

The invention relates to a high-conductivity and low-ventilation-resistance gas diffusion layer and a preparation method and application thereof. The gas diffusion layer comprises a supporting body and a microporous layer located on the surface of the supporting body, the microporous layer is formed by microporous layer slurry, and the microporous layer slurry comprises conductive filler, a wetting agent, a water repellent agent and water; the conductive filler comprises conductive carbon black AC80; the hydrophobic agent is selected from polytetrafluoroethylene and / or FEP (fluorinated ethylene propylene). The gas diffusion layer has excellent surface appearance performance and comprehensive performance such as conductivity, compression ratio and ventilation resistance.

A liquid ejecting head includes: a head chip; a fixing plate having a first surface facing in an ejection direction, a second surface that is opposite from the first surface, and a lateral surface; and a holder configured to hold the head chip between itself and the fixing plate. In a plan view as seen toward the first surface, the first surface includes a water repellent region having water repellency, and a hydrophilic region that is disposed between the water repellent region and the lateral surface, and has lower water repellency than the water repellent region, and part of mold is bonded to the hydrophilic region of the first surface, the mold being disposed between the lateral surface and at least one of the head chip or the holder.

The invention discloses composite modified bio-based hydraulic asphalt concrete and a preparation method thereof, and belongs to the technical field of hydraulic engineering materials. The concrete is prepared from 8 to 12 parts of asphalt binder, 50 to 65 parts of basalt-quartzite composite coarse aggregate, 20 to 35 parts of machine-made sand-rubber powder fine aggregate, 5 to 10 parts of mineral filler, 0.5 to 3 parts of composite modifier, 0.8 to 1.2 parts of warm mixing agent and 0.5 to 1.5 parts of organosilicon waterproofing agent. Waste vegetable oil is innovatively adopted to be subjected to epoxidation treatment to prepare a bio-based regenerated asphalt plasticizer (the epoxy value is 4.5-6.0%), the bio-based regenerated asphalt plasticizer, nano silicon dioxide and polyester fibers are compounded according to the ratio of (1-3): (2-4): (0.5-1.5) to form a synergistic modification system, and the mixing temperature is reduced by 20-30 DEG C in combination with an alkylamine salt / fatty acid amide warm mixing agent. Through basalt-quartzite (7-9: 1-3) discontinuous grading design and rubber powder (3-8%) elasticity enhancement, the product has high rutting resistance (dynamic stability is greater than or equal to 4200 times / mm), excellent low-temperature crack resistance (bending strain is greater than or equal to 2900 mu epsilon) and environmental protection characteristics, carbon emission is reduced by 60%, the quartzite utilization rate reaches 30%, and the product is suitable for green road engineering construction.

The invention relates to the field of solid waste co-processing and utilization, and particularly discloses complex-phase gypsum-based self-leveling mortar and a preparation method thereof. The mortar comprises the following raw materials in parts by mass: 75-95 parts of complex-phase gypsum, 3-25 parts of an auxiliary cementing material and 0.5-2.5 parts of an auxiliary mixture, the complex-phase gypsum comprises semi-hydrated gypsum, dihydrate gypsum and anhydrous gypsum; the auxiliary gelling material is a mixed compound material of ordinary Portland cement, aluminate cement, a calcium sulphoaluminate cementing material and sulphoaluminate cement; the additive mixture comprises one or more of a retarder, a water-retaining agent, a suspension / stabilizer, a water reducing agent, a flow promoter, a defoaming agent, a water repellent and an exciting agent. The gypsum-based self-leveling mortar prepared by the invention integrates the advantages of single semi-hydrated gypsum and single anhydrous gypsum, realizes the characteristics of high early strength and high later strength, and has the advantages of high strength, good wear resistance and low cost.

The present invention relates to a weather-resistant and scratch-resistant super-hydrophobic organosilicon waterproofing agent and a preparation method thereof, and belongs to the technical field of organosilicon waterproofing materials. The organosilicon waterproofing agent comprises the following components by weight: 1 to 10 parts of hydroxy silicone oil, 1 to 10 parts of vinyl silicone oil, 1 to 5 parts of amino silicone oil, 1 to 3 parts of a first silane coupling agent, 1 to 5 parts of a second silane coupling agent, 1 to 3 parts of nano-silica, 80 to 100 parts of a solvent, and 0.001 to 1 part of a catalyst. The organosilicon waterproofing agent of the present invention can be widely used on the surfaces of various building materials and can quickly make the surface of the substrate achieve a super-hydrophobic effect. It can also achieve a long-term weather-resistant effect and possess excellent weather-resistant and scratch-resistant properties. In addition, the preparation process of the waterproofing agent of the present invention uses simple and inexpensive industrial raw materials, the production process is economical and efficient, the production process is simple to operate, the production energy consumption is low, and it is easy to scale industrial production.

The invention discloses a preparation method of a flame-retardant waterproof polyurethane foam material, which comprises the following steps: firstly, fully mixing polyether polyol, ammonium polyphosphate, waste plastic runway powder and the like, then adding isocyanate, quickly stirring, and then pouring into a specific mold for foaming. And after foaming and forming, taking out and curing at room temperature to finally obtain the flame-retardant waterproof polyurethane foaming material. The waste plastic runway powder is used as the flame retardant aid, the waterproof agent and the reinforcing agent, so that the flame retardant property of the polyurethane foam is remarkably improved, the fire spreading speed is effectively reduced, the waterproof property of the material is also improved, and the durability and the stability of the polyurethane foam in a humid environment are improved. Meanwhile, recycling and utilization of the waste plastic track powder promote cyclic utilization of solid waste resources, and the concept of green and sustainable development is met.

The invention discloses a preparation technology of plywood with waterproof and flame-retardant performance, and relates to the technical field of plywood preparation, the preparation technology comprises the steps of S1, wood veneer pretreatment, S2, steeping liquor preparation, S3, veneer steeping and curing, S4, adhesive modification, S5, assembly and hot pressing, and S6, maintenance treatment. The nano composite coating with flame-retardant and hydrophobic functions is constructed through chemical reaction of phytic acid and the silane coupling agent, phosphate groups in the phytic acid provide flame retardance through catalytic carbonization, a hydrophobic silicon dioxide network is formed after the silane coupling agent is hydrolyzed, and the hydrophobic silicon dioxide network is combined with wood fibers through chemical bonds, so that long-acting water resistance is achieved, and the flame-retardant and hydrophobic functions are achieved. The contradiction that the traditional flame retardant is easy to absorb moisture and lose efficacy and the waterproof agent is poor in flame retardance is solved.