69 results about "Water repellent" patented technology

The utility model relates to waterproof paint construction equipment technical field, name is a kind of waterproof paint's pouring device, including device frame, there is running roller driven by running motor in the lower surface of device frame, handrail is installed in the rear of device frame, paint bucket is installed in the front of device frame, the paint bucket is connected with paint effluent pipe, the paint effluent pipe is connected with paint effluent transverse pipe, the paint effluent transverse pipe has multiple flow outlets, multiple flow outlets can spray paint to the roof to be spreaded;The flow outlet is installed on device frame by spring, and vibration device is also installed on paint effluent pipe. With the speed of the waterproof paint flowing out fast, some construction requirements can be satisfied.

The utility model provides a kind of fabric for clothing and contain its sweat suit. The fabric includes surface layer, membrane layer and bottom layer. The surface layer uses warp plain or weft plain knitting technology, and is treated using water repellent finishing process. The water repellent finishing process used by the surface layer contains fluorine-free water repellent auxiliary and C4, C6 water repellent auxiliary. The membrane layer is thermoplastic polyurethane membrane layer or polyurethane membrane layer. The sweat suit prepared by the above-mentioned fabric has windproof and light rainproof effect, providing comfortable wearing experience for the wearer.

A lens includes a lens unit, an intermediate layer disposed on one surface of the lens unit, a first coating layer including a UV improving additive and disposed on one surface of the intermediate layer, and a second coating layer including a water repellent and disposed on one surface of the first coating layer.

The application discloses a wear-resistant waterproof composite type fabric with a pile surface and a preparation method thereof, and relates to the technical field of textile fabric preparation.The technical scheme points of the application are as follows: nylon four-way stretch base cloth and a warm inner layer with single-brushing and single-rotating raising are selected, and a TPU waterproof and moisture-permeable film is arranged between the two; reaction type polyurethane hot melt adhesive is used to carry out point-shaped bonding in a relaxed state in which the warp and weft directions do not have elastic elongation after being subjected to an overfeed treatment, so as to construct an elastic buffer layer and a micropore channel; and finally, DWR durable water repellent treatment is carried out on the surface of the base cloth. By means of the overfeed composite process, internal stress is eliminated, and the non-continuous adhesive points are used as flexible hinges, so that the problems of easy edge curling, blistering and film layer fracture of the high-elastic fabric composite are effectively solved, and the fabric has the advantages of soft hand feeling, firm interlayer combination, size stability, excellent waterproof and moisture-permeable balance and washing resistance.

A water-repellent composition capable of imparting both favorable water-repellency and favorable slip resistance to a textile product is provided by A water-repellent composition comprising a non-fluorine copolymer (A) comprising a repeating unit derived from a hydrophobic monomer (a1) having a hydrocarbon group having 2 to 40 carbon atoms, and a repeating unit derived from at least one chloride monomer (a2) selected from the group consisting of vinyl chloride and vinylidene chloride, wherein in the non-fluorine copolymer (A), an amount of repeating units derived from the monomer (a2) is 1 to 9% by weight based on a sum of an amount of repeating units derived from the monomer (a1) and the amount of repeating units derived from the monomer (a2).

This invention relates to the field of building materials technology, and discloses a waterproof and crack-resistant dry-mixed mortar and its preparation method. The mortar is composed of cement, graded manufactured sand, powdered composite waterproofing agent, hydrophobic redispersible latex powder, modified fibers, cellulose ether, and polycarboxylate superplasticizer. The core technology lies in utilizing the hydrolysis and condensation of active silane components to form covalent bonds with the cement matrix and undergo interfacial cross-linking with the latex powder, thereby constructing an organic-inorganic interpenetrating network within the micropores of the mortar. Simultaneously, surface-activated and hydrophilically modified fibers achieve uniform monofilament dispersion in the slurry, constructing a three-dimensional crack-resistant network. The preparation process employs step-by-step feeding and differentiated stirring speeds to protect the carrier structure of the waterproofing agent while ensuring sufficient fiber dispersion. This invention solves the technical defects of traditional mortars, such as short-lasting waterproofing and easy fiber agglomeration, achieving high impermeability, low water absorption, and excellent crack resistance, making it suitable for building waterproofing and crack-resistant projects.

The application relates to the field of marine cement materials, and particularly discloses a preparation method of a solid-waste-based early-strength marine cement-based material, which comprises the following steps: (1) uniformly mixing calcined recycled concrete micro powder and magnesium oxide whiskers, then mixing the mixture with water to form wet materials, and then standing; after hardening, crushing and grinding the obtained solidified body to obtain modified recycled micro powder; (2) uniformly mixing the modified recycled micro powder with a hot isopropyl alcohol solution of a stearate to obtain a waterproof agent after drying; (3) uniformly mixing magnesium oxide whiskers with a hot isopropyl alcohol solution of magnesium stearate to obtain modified magnesium oxide whiskers after drying; (4) uniformly mixing potassium dihydrogen phosphate, the waterproof agent and the modified magnesium oxide whiskers to obtain an early-strength agent; and (5) uniformly mixing granulated blast furnace slag powder, fly ash, solid-waste-based gypsum powder, carbide slag powder, coarse aggregate, fine aggregate, a water reducing agent, the early-strength agent and mixing water to obtain the solid-waste-based early-strength marine cement-based material. The early-strength additive can not only improve the early strength of the solid-waste-based cement-based material, but also improve the adaptability to the marine environment.

The utility model belongs to the field of wearable equipment, and disclose a waterproof performance good children's smart watch, including dial, first watchband and second watchband, both sides of dial all are provided with watchband lug, first watchband and second watchband are connected with the hinge link of dial through watchband lug, dial contains integral waterproof shell, touch display screen and internal electronic structure, the outside of touch display screen is provided with water repellent membrane, the integral waterproof shell is provided with the circumference type table cap corresponding with water repellent membrane, internal electronic structure contains battery, circuit board and charging plate, is provided with computing chip, cellular network chip, GPS positioning chip, storage unit etc. Electronic circuit structure on circuit board, be provided with wireless charging coil on charging plate, the utility model discloses compact and reasonable in design, utilize wireless charging and touch screen combination, watch external does not contain any interface and button, dial waterproof performance is good, not easy to water, is suitable for children to wear.

The application discloses a high-strength corrugated carton based on a waterproof agent and a preparation method thereof, relates to the technical field of corrugated cartons, and the preparation method comprises the following preparation steps: a mercaptan curing agent containing a dopamine structure is added into tetrahydrofuran and stirred uniformly to obtain a curing agent solution; a waterproof agent is added into tetrahydrofuran and stirred uniformly to obtain a waterproof agent solution; a waterproof reinforcing agent is coated on the surface of the corrugated carton; the curing agent solution is coated on the waterproof reinforcing agent layer; finally, the waterproof agent solution is coated on the curing agent solution layer; ultraviolet irradiation curing is carried out for 1-2 hours; room temperature drying is carried out; and the high-strength corrugated carton based on the waterproof agent is obtained.

The application discloses an anti-permeation and anti-freezing environment-friendly recycled concrete and a preparation method thereof, and the concrete comprises the following components in parts by weight: cement 35-45 parts, composite recycled aggregate 100-120 parts, mineral admixture 15-25 parts, composite anti-permeation and anti-freezing additive 2-4 parts, water 18-22 parts, environment-friendly interface regulator 1-2 parts and modified reinforcing agent 0.5-1.5 parts. The composite recycled aggregate and the composite anti-permeation and anti-freezing additive are used in cooperation. After the composite recycled aggregate is modified by a silane coupling agent and a calcium hydroxide-sodium sulfate solution, the surface pores are effectively filled, the micro cracks are reduced, the interface activity is improved, and the combination with the cementing material is more compact. In the composite anti-permeation and anti-freezing additive, the polycarboxylate superplasticizer can reduce the water-binder ratio and reduce the internal pores of the concrete, the air entraining agent introduces uniform and small closed air bubbles, blocks the water permeation channel, buffers the expansion stress generated by the freeze-thaw cycle, the organic silicon waterproof agent forms a hydrophobic layer, and the anti-permeation performance is further improved.

There is provided a substrate processing apparatus enabling a water repellent-derived adverse effect to be prevented from affecting a substrate. According to a substrate processing apparatus of the present invention, when water-repellent processing is performed on substrates, water repellent vapor supplied toward a processing tank positioned in a chamber is collected in an opening portion in an upper portion of the processing tank and discharged outside the chamber via an exhaust port. With such a configuration, the water repellent vapor does not flow around to reach a side wall of the chamber, and water repellent residues do not adhere to the side wall of the chamber. According to the present invention, it is possible to provide the substrate processing apparatus capable of maintaining the cleanliness of the substrates without allowing the water repellent residues to have adverse effects on the substrates.

This invention claims priority; the earlier application, application number 202511761829.8, entitled "An Environmentally Friendly Water-Resistant Paper and Its Preparation Method and Application," has a priority date of November 27, 2025. This invention relates to the field of paper preparation technology, specifically to an environmentally friendly water-resistant paper and its preparation method and application. This water-resistant paper is made by physically embossing a hydrophobic paper semi-finished product and then coating it with a hydrophobic coating. The hydrophobic paper semi-finished product comprises the following components in parts by weight: 65-80 parts of hydrophobically modified lignin fiber, 10-20 parts of binder, 2-5 parts of waterproofing agent, 5-15 parts of filler, 0.05-0.1 parts of filter aid, and 0.5-1 parts of antioxidant. This water-resistant paper not only possesses excellent water resistance, instant waterproofing, stain resistance, self-cleaning, non-toxic, easily degradable, recyclable, and environmentally friendly properties, but also boasts strong wet mechanical strength and a long service life, meeting the market's urgent demand for environmentally friendly paper.

To provide: a porous-particle dispersion capable of giving a porous structure having heightened mechanical properties; a method for producing the porous-particle dispersion; a water repellent; a porous structure; and a method for producing the porous structure.SOLUTION: A porous-particle dispersion 14 is for use in making a porous structure having a structure comprising a plurality of porous particles 13 bonded to each other. The porous-particle dispersion 14 comprises a plurality of porous particles 13 and a dispersion medium 12 in which the plurality of porous particles 13 are dispersed. The plurality of porous particles 13 each have a skeleton comprising both a polysiloxane chain and an organic polymerizable functional group.SELECTED DRAWING: Figure 1

The present application provides a filamentous adhesive body having excellent waterproofness. The present application relates to a filamentous adhesive body, which is a filamentous adhesive body provided with a base material, and an adhesive covering a surface in a length direction of the aforementioned base material, wherein the aforementioned base material is provided with a core material, and a water repellent layer covering at least a part of a surface in a length direction of the aforementioned core material.

This invention belongs to the field of inorganic cementitious materials technology, and discloses a magnesium oxysulfate gel modifier and its modified gel preparation method. The modified magnesium oxysulfate gel contains silica fume, organosilicon waterproofing powder, humic acid, functional additives, nanocomposite particles, sucrose, and ethylene glycol monobutyl ether. After modification, the mechanical strength of the magnesium oxysulfate gel is improved, and its fire resistance, environmental resistance, and antibacterial properties fully meet the standards, solving the pain points of traditional magnesium oxysulfate materials. It can be used in building components such as fireproof door core panels, firewalls, and fireproof partitions. Fireproof door panels made using the modified gel achieve a fire resistance limit of Class A, with improved interfacial bonding strength, excellent impact resistance and weather resistance, and are suitable for multiple scenarios. The entire process is free of VOCs exceeding the standard, and combustion produces no toxic gases, meeting green building material standards and contributing to the development of ultra-low energy consumption buildings. It is suitable for low-temperature and frigid regions, high-temperature industrial environments, high-humidity antibacterial scenarios, and projects with high environmental protection requirements. It constructs a four-dimensional innovation system of "nanoparticle micro-enhancement - functional additive environmental adaptation - traditional component performance optimization - door panel structure synergy", realizing integrated performance improvement of "materials - core panels - door panels".

The utility model relates to infant clothing technical field especially is infant clothing of waterproof, oil stain prevention, including clothing body, the lateral surface of clothing body is provided with external component, is provided with internal component in clothing body, through setting up the cooperation use of external contact layer, internal water repellent layer, water absorption layer and antibacterial layer, the external contact layer of urine pants is composed of composite core body, even if entering water also cannot swell or deformation. Its internal water repellent layer adopts non - woven fabric material, realizes the function of waterproof and breathable, and the antibacterial layer adopts bamboo fiber material, has the natural antibacterial and bacteriostatic capacity, through setting up the cooperation use of elastic connecting layer, perspiration layer and bamboo fiber layer, the memory cotton strip is embedded in elastic connecting layer, this makes cloth after deformation can show the excellent recovery ability. The cooperation of perspiration layer and sweat absorption layer is convenient for the rapid absorption of sweat, especially bamboo fiber layer, its material is natural bamboo fiber, helps to restrain the growth of bacteria, thereby has improved the safety performance.

A polymer comprising repeating units derived from monomer (1) shown in formula (1-1) or formula (1-2) below, and having an adhesion of 800 gf or less. [In each formula, R] a X is a polymerizable organic group, X is a single bond or a divalent group, Y is independently a hydrocarbon group with 1 to 10 hydrogen atoms, α is an integer from 1 to 3, β is an integer of 1 or 2, and Z is independently -Z 1 -SiZ 2 3－m Z 3 m Z 1 Z is a single bond or a divalent group. 2 Each is an independent hydrocarbon group with 1 to 10 carbon atoms, where m is an integer from 1 to 3, and Z 3 They are independently -(O-SiZ) 31 2) p -(CH2) q -Z 32 -SiZ 33 3, Z 31 Each is independently a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ 311 3, Z 311 Each is independently a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ 3111 3, Z 3111 Each is an independent hydrocarbon group having 1 to 10 carbon atoms, Z 32 For O or CH2, Z 33 Each is independently a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ 331 3, Z 331 Each group is an independent hydrocarbon group with 1 to 10 carbon atoms, where p is an integer from 0 to 196 and q is an integer from 0 to 10. a -X-CY 3－α Z α (1-1)R a -X-NY 2－β Z β (1-2)

The application provides a material and method for improving the anti-permeability and anti-cracking performance of a municipal road rainwater ditch concrete box culvert, and belongs to the technical field of building materials. The concrete loaded with siliceous powder particle fillers comprises concrete, siliceous powder particle fillers and slag, and is mixed with cement, coarse aggregate and high-performance anti-cracking waterproof agent to form a concrete base surface. Polyurethane waterproof paint is selected as a waterproof layer on the concrete base surface. The construction method comprises the following steps: site cleaning; excavation and construction of drainage; optimization of the mixing proportion of concrete; enhanced vibration; reduction of concrete porosity; layered construction; overall chiseling treatment of the construction joint surface; ensuring the cleanliness and flatness of the concrete base surface; creating a suitable curing environment, strengthening the curing of the concrete; and optimization of the waterproof layer material. The material and method provided by the application can improve the anti-permeability of the concrete, and make it more suitable for the construction of box culverts.

A multilayer optical sheet has multiple polygonal grid cells 20 and includes a substrate 10, a multilayer film 30 and two anti-fouling and water-repellent layers 40. The multiple polygonal grid cells and multilayer film are formed through vacuum coating on one surface of the substrate and by alternately stacking multiple high refractive index materials and multiple low refractive index materials. The multiple polygonal grid cells resist glare and block scattered light and also provide a light supplementing effect to shorten light and dark adaptation periods for eyes. The multilayer film is formed on a surface of the substrate opposite to that of the multiple polygonal grid cells and blocks ultraviolet, violet and blue light of 280-500nm and near infrared light in the waveband of 760-2000nm. The two anti-fouling and water-repellent layers are formed through vacuum coating by attaching a water-repellent agent to the outside of the multiple polygonal grid cells and the multilayer film. The multiple polygonal grid cells are therefore enclosed by one of the anti-fouling and water-repellent layers. The substrate and multilayer film is then sandwiched between another one of the anti-fouling and water repellent layers and the substrate. [Figure 1]

This invention discloses a high-performance composite glass fiber filter material, its preparation method, and its application, belonging to the field of filter material technology. The material comprises: a first waterproof nonwoven fabric layer, a first adhesive layer, a glass fiber base fabric layer, a second adhesive layer, and a second waterproof nonwoven fabric layer; both the first and second adhesive layers are polyolefin-based non-pressure-sensitive hot-melt adhesive layers. During preparation, the first adhesive layer is sequentially sprayed onto the first waterproof nonwoven fabric layer, followed by the placement of the glass fiber base fabric layer, then the spraying of the second adhesive layer, and finally the placement of the second waterproof nonwoven fabric layer, followed by hot-pressing lamination. This invention, through its multi-layer design, achieves excellent double-sided waterproof performance without the need for additional waterproofing agents, while significantly improving the material's tensile strength and bending resistance, avoiding the risk of glass fiber detachment, and without increasing filtration resistance. It can be widely used in respiratory protection, air purification, and industrial filtration.

The utility model relates to the technical field of automobile parts, and disclose a water repellent engine lower guard plate, including engine lower guard plate body, the upper and lower end of the engine lower guard plate body is provided with a plurality of guard plate mounting hole in outer ring position, the top surface of engine lower guard plate body central position is provided with the guard plate reinforcement, the upper and lower end of the engine lower guard plate body is provided with a plurality of drain holes, and a plurality of drain holes are equidistantly arranged on the engine lower guard plate body, the top end of the engine lower guard plate body is located in each drain hole, through drain hole, arc cover no.

The utility model discloses a waterproof antifouling sports shoes vamp relates to the vamp technical field, including including water repellent surface, set up in water repellent surface and symmetric distribution's two water storage tank, water repellent surface includes water guide layer, and two water storage layers are symmetrically distributed and are wrapped by water guide layer, the bottom of water guide layer is provided with the support layer, the top of support layer is provided with the antifouling layer, the main support rib for increasing water repellent surface is centrally arranged on the antifouling layer, and the main support rib is fixed with the vice support rib for optimizing flow direction along two sides, be provided with the easy to remove dirt edge strip on water repellent surface, the utility model discloses through the synergic effect of water guide layer and water storage layer, can fast water guide and reduce moisture residue, keep the vamp dry, the antifouling layer adopts resin adsorption layer, can effectively adsorb the stain, prevent the stain from adhering on the vamp, the utility model discloses through double -layer protection design can effectively improve the waterproof antifouling performance of vamp.

The application belongs to the technical field of fiber preparation, and particularly relates to a water-repellent and stain-resistant nylon 6 fiber and a preparation method and application thereof. The water-repellent and stain-resistant nylon 6 fiber has a skin-core structure and comprises: a core layer composed of nylon 6; and a skin layer wrapped outside the core layer, wherein the skin layer is composed of hydrophobic particles, carboxyl-terminated hyperbranched polyamide, modified titanium dioxide and nylon 6; and the weight ratio of the core layer to the skin layer is (7-8):(2-3). The water-repellent and stain-resistant nylon 6 fiber prepared by the application has excellent water-repellent and stain-resistant properties, and meanwhile, good mechanical properties are maintained.

The application relates to a spraying device and method of anti-crack waterproof agent. The spraying device comprises an outer shell, an air inlet pipe and a mixing assembly. The air inlet pipe is arranged on the outer shell and extends into the outer shell. The mixing assembly is rotatably arranged in the outer shell and is connected with the air inlet pipe. The air inlet pipe is also connected with a feeding pipe. The air inlet pipe can be connected with an air source to mix the air from the air source and the anti-crack waterproof agent from the feeding pipe, and simultaneously drive the mixing assembly to rotate, so that the air and the anti-crack waterproof agent can be mixed and stirred. The spraying device of the anti-crack waterproof agent is designed to feed air and material through the air inlet pipe, and simultaneously drive the mixing assembly to mix and stir the air and the anti-crack waterproof agent through the high-speed airflow of the air inlet pipe, so that the anti-crack waterproof agent can be sufficiently and uniformly mixed with the air.

Polymer substrates, such as textiles, with durable water repellent properties, and methods of manufacture thereof, are provided. Urethane and / or acrylic matrix containing coating compositions that impart durable water repellency are described. Composites that include a polymer substrate, a urethane and / or acrylic containing water repellent layer, and optionally a ceramic, are described.

The present invention belongs to the technical field of concrete. Disclosed are high-impermeability concrete and a preparation method therefor. Raw materials for the concrete comprise: cement, a fine aggregate, a coarse aggregate, a polycarboxylate water reducer, an organosilicon waterproofing agent, an impermeable composition, and water, wherein the mass ratio of the cement, fine aggregate, coarse aggregate and water is 1.0:1.5-2.0:2.5-3.0:0.35-0.45; the amount of the polycarboxylate water reducer is 0.5-1.0% of the mass of the cement; the amount of the organosilicon waterproofing agent is 1.5-2.5% of the mass of the cement; and the amount of the impermeable composition is 5-8% of the mass of the cement, and the impermeable composition is formed by mixing modified sepiolite and modified lignocellulose nanofibers in a mass ratio of 2-3:1-2. The addition of the organosilicon waterproofing agent and the impermeable composition enables the concrete of the present invention to have excellent impermeability.

In an example, the thermal insulation is prepared by blending water with the following ingredients including a hydraulic cement in an amount from about 5% to about 25% by weight, a reinforcing fillers including clays, sands, limestone powders, perlites, re-dispersible polymer powders, and fibers in an amount of from about 0% to 40% wt, foaming agents from about 0.02% to 4.0% wt, a rheological agent in an amount of about 0.05% to 4.0% wt, a curing accelerator in an amount of about 0.01% to 2.0% wt, a curing retarder in an amount of about 0.01% to 1.0% wt, and a water repellent agent in an amount of about 0.02% to 4.0% wt, wherein a secondary pore structure is created by mechanical frothing the mixture with air in an amount of about 20% to 80% by volume and the composite foam insulation is subsequently dried and cured in a mold.

The utility model relates to liquid food packaging technical field provides a cover body structure, bottle body and be used for preparing cover body structure's production line, the utility model discloses: substrate layer, the surface is provided with microstructure, super water repellent coating is arranged in the one side surface of substrate layer with microstructure, and at least partial or all covers microstructure, wherein, microstructure is the micro pattern and / or three -dimensional body of setting in substrate layer surface, the utility model discloses the surface preparation microstructure of substrate layer, and set up super water repellent coating on the microstructure surface, and super water repellent coating and microstructure intercalate each other, make the combination between substrate layer and super water repellent coating more closely, increase the fastness degree of super water repellent coating on the surface of substrate layer, avoid falling off because of external force, have higher wear resistance and pressure reduction, wherein, microstructure includes two forms of micro pattern and three -dimensional body, can satisfy the use demand of different packaging material.

This invention discloses a high-strength, flame-retardant, and moisture-proof furniture board and its preparation method, relating to the field of furniture board technology. The board produced by this invention uses bamboo as raw material, which is processed into wood shavings. Urea-formaldehyde resin, nanocellulose made from waste materials during bamboo shavings processing, a waterproofing agent, and a flame retardant are added, and the board is then hot-pressed and laid together. Hydroxymethylated sodium lignosulfonate and melamine are added to the urea-formaldehyde resin to improve its performance. The board is laid by horizontally laying the core layer of wood shavings and vertically laying the surface layer of wood shavings, followed by a surface-core-surface layer arrangement to obtain a furniture board.