150results about How to "Good waterproof" patented technology

The invention relates to a powder-on circuit for a washing machine. The circuit comprises a door cover plate and a control panel, wherein the door cover plate is hinged with a washing machine body; the control panel can be used for a user to operate; the control panel is provided with a touch key; a linked switch is arranged at the position where the washing machine body is contacted with the door cover plate or in a lock hole of a door lock; and the linked switch is connected with a master relay in parallel and is connected with a main control unit (MCU) through a transformer. The invention also discloses a power-on method for the power-on circuit of the washing machine. In the circuit and the method, the linked switch which can control the power on of the control panel is arranged on the washing machine body, and linkage is realized by the linked switch and an opening action of the door cover plate or the door lock; and when the door cover plate or the door lock is open, the MCU supplies power to the control panel so that the overall control panel becomes more coordinate and beautiful. The power-on circuit has the characteristics of high waterproofness, simple structure and convenient use, and can avoid a key damage phenomenon caused by long-term use.

The invention discloses a production method for fireproof and waterproof carbonized woods, comprising the steps of preparing a using solution, wherein the using solution contains sodium silicate and water based on a mass ratio of 1:(4-7); absorbing the using solution by wood materials; solidifying the wood materials to fix the sodium silicate in the wood materials; and carbonizing the wood materials into the carbonized woods. The production method for fireproof and waterproof carbonized woods has the following advantages: the sodium silicate solution is absorbed by the wood materials, the sodium silicate is fixed in the wood materials, and the wood materials are carbonized; in a carbonizing process, sodium silicate can produce a silica gel solid with excellent water resistance and silicon dioxide, hemicelluloses in the wood materials are degraded, and hydroxyl radicals in cell walls of the wood materials are reduced, so that the production method has the following beneficial effects: 1) the moisture absorbability and the water absorbability of the wood materials are reduced, so that the water resistance is excellent; 2) the fireproof performance of the wood materials is improved, so that the fireproof performance is excellent; 3) the size stability is enhanced, so that the carbonized woods are hard; 4) the biological rotproofness is excellent; and 5) the weather resistance is excellent. Therefore, a wood product which has the advantages of excellent performance, beautiful color and environmental friendliness and is suitable for outdoor environment can be produced.

The invention involves a organic and inorganic composite self-cleaning finishing agent and its application method on fiber products, the organic and inorganic composite self-cleaning finishing agent includes 40% component A and 60%B component (weight percentage), its application method on fiber products includes: (1) freshly preparing component A and B organic and inorganic composite self-cleaning finishing agent, (2) slop padding work solution and fiber products, drying and curing, (3) characterizing the self-cleaning property of textiles through the water repellency, oil repellency and soil release property. The organic and inorganic composite self-cleaning finishing agent in the invention has good stability and repeatability, it has good water repellency, oil repellency and soil release property when it is applied in fiber products, it can meet the needs of developing various fiber high-grade self-cleaning rib fabrics.

The invention relates to a method for preparing a pectinate organic silicon-modified polyurethane grafted ethylene-vinyl acetate (EVA) water emulsion. The method comprises the following steps: preparing isocyanate-terminated cation polyurethane from diisocyanate, polyether glycol and N-methyldiethanolamine; carrying out grafted reaction on the diluted acrylamide copolymer emulsion and an isocyanate-terminated polyurethane modified body after cationic chain extension modification; and finally modifying by adopting organic silane hydrolysate, so as to prepare an alkaline white emulsion. The prepared product disclosed by the invention has the advantages of EVA resin, polyurethane and polysiloxane, has high comprehensive performance, and can be applied to a water adhesive under a special environment, and preparation of a water-based paint with high performance.

The invention discloses a waterproof treatment technology of a capacitive touch screen. The waterproof treatment technology comprises the following steps: during the production of a sensor of the capacitive touch screen, insulation printing is added for a bonding area circuit as waterproof and anti-corrosion treatment, and the exposed conductive part of the sensor is treated only with silverglue PIN of the bonding area; after being subjected to SMT (surface mount technology) positioning, an FPC (flexible printed circuit) is treated with transparent sealing glue, and exposed bonding pads of a chip IC (integrated circuit), a capacitor, a resister and a diode element are sealed with the sealing glue; after the sensor is manufactured into small pieces and subjected to functional test, hot pressing is performed on the small pieces and the FPC, after pressing, functional test is carried out, then, insulating sealing glue is brushed, and UV drying is performed; the circuit formed through pressing the sensor and the FPC is adhered to a glass cover plate through small piece lamination process, the suspended parts between the FPC and the cover plate are stuck together through double faced adhesive tape, and few copper exposure parts of the FPC on the sensor surface are sealed with white sealing glue for sealing treatment. According to the waterproof treatment technology, the exposed conductive circuit of the touch screen and element bonding pad area are sealed, so as to achieve the waterproof function of the touch screen, and the waterproof treatment technology has the characteristics of easy technology and good waterproofness.

The invention belongs to the technical field of composite fireproof heat insulation materials, and relates to a composite lightweight sheet material and a preparation method thereof. The composite lightweight material comprises a plurality of layers of structure acupuncture fiber felt layers and thermosetting phenolic resin layers which are alternatively paved, wherein the uppermost layer and the lowermost layer of the lightweight composite sheet material respectively are the thermosetting phenolic resin layer. Compared with existing heat insulation materials, the fireproof heat insulation composite lightweight sheet material provided by the invention has the advantages of light weight, high strength, good waterproof property, good fireproof property, and good heat and sound insulation property, overcomes the disadvantages of inflammability, easy effloresce and large brittleness of the existing heat insulation materials, improves the compression strength of products, and is convenient to construct.

Disclosed is a vapor permeable waterproof sheet which is high in both water vapor permeability determined by a calcium chloride method and water vapor permeability determined by a potassium acetate method. This vapor permeable waterproof sheet is excellent in waterproof properties and hardly damaged in appearance quality since it is suppressed in water swelling. This vapor permeable waterproof sheet comprises a urethane resin film which is composed of a lamellar porous portion with pores having an average size of 0.1-8.0 [mu]m, and a lamellar waterproof portion formed on one or both sides of the porous portion and having a total pore amount less than that of the porous portion.

The invention discloses a sofa cover PU leather fabric for a yacht, and a preparation method thereof. The sofa cover PU leather fabric is formed by compounding a base cloth and a modified PU coating,wherein the base cloth is any one selected from a woven fabric or a non-woven fabric, the modified PU coating is formed by coating with a modified PU coating material, and the modified PU coating material comprises the following raw materials: a PU resin, glass fiber powder, silicon dioxide, white carbon black, ethylenebis(stearamide), higher alcohol, chitosan oligosaccharide, nanometer silver, water and dimethylformamide. The preparation method comprises: S1, preparing the raw materials of a modified PU coating material; S2, preparing the modified PU coating material; and S3, compounding witha modified PU coating. According to the present invention, the sofa cover PU leather fabric has adavantages of excellent water resistance, excellent gas permeation, excellent wear resistance, excellent antibacterial performance and simple production, wherein the modified PU coating material preparation efficiency is high, and the adhesion between the base cloth and the modified PU coating is strong.

The invention belongs to the field of protection of concrete surfaces and relates to a durable and corrosion-proof concrete surface protection system. The protection system comprises four parts, namely, a priming paint, an inter paint, a finish paint and a finish-coat paint, wherein the priming paint mainly comprises a silane emulsion, a siloxane emulsion, a dispersant, a corrosion-resistant agent and water; the inter paint mainly comprises a silicon resin emulsion, a siloxane emulsion, a coalescing agent, a dispersant, a corrosion-resistant agent and water; the finish paint mainly comprises a silicon resin emulsion, an acrylic emulsion and/or a modified acrylic emulsion, a dispersant, a corrosion-resistant agent, a coalescing agent and water; and the finish-coat paint mainly comprises a fluorine-silicone resin polymer, a dispersant, a corrosion-resistant agent, a coalescing agent and water. The protection system can be immersed at 3-8mm from the concrete surface and is cured and cross-linked to form a protective layer, and the protection system has the advantages of excellent air permeability, water-repellent property, immersion resistance, weather resistance, freeze-thawing resistance and corrosion resistance; by the protection system, early carbonation and morbid change of concrete are prevented, the weather resistance is improved and the durability and practicability of concrete are prolonged.

The invention belongs to the technical field of construction materials, and relates to tile-seam filling which is prepared from the following raw materials in parts by weight: 35 to 60 percent of ordinary Portland cement (P.042.4R), 30 to 65 part of quartz sand, 0.01 to 0.2 parts of mineral oil type deformer, 10 to 30 parts of redispersible latex powder, 0.1 to 0.5 parts of HPMC (hydroxypropyl methyl cellulose), 0.2 to 1 part of organosilicon water repellent, 0.2 to 1 part of anti-whiskering agent, 1 to 3 parts of anhydrite, and 3 to 10 parts of ferric oxide series pigment. The tile-seam filling has the characteristics of being good in waterproofness, not liable to blacken, high in adhesive force, alkali-resistant and low in cost, capable of applying to decorating and seam filling of materials such as various ceramic tiles, floor tiles, wall tiles, mosaic tiles, marble and granite, and cultured stones.

The invention discloses waterproof early-strength decoration mortar. The defect that traditional mortar cannot have both advantages of bright color and excellent waterproof early-strength effect at the same time is solved. According to main points of the technical scheme, the waterproof early-strength decoration mortar comprises the following ingredients (by weight): 20-30 parts of white sulphate aluminium cement, 20-30 parts of white portland cement, 10-15 parts of a silicon-acrylate emulsion, 5-8 parts of a permeable crystalline material, 30-40 parts of mineral sand, 5-20 parts of PP fiber, 10-20 parts of calcium ion powder, 3-6 parts of dispersible latex powder, 1-5 parts of cellulose ether, 1-5 parts of a water reducer and 1-5 parts of an antioxidant. The prepared mortar has excellent waterproofness and high strength, and has a decoration effect. According to the invention, defects of decoration mortar in the market, such as poor waterproofness and low early-strength, are compensated; and the waterproof early-strength decoration mortar with excellent properties is prepared.

The invention discloses a nano-scale environment-friendly water-based wood paint with no toxic gas, good temperature resistance, good adhesion, high hardness, and good impact resistance. The nano-scale environment-friendly water-based wood paint provided by the invention comprises the following components: 40-50 parts of water-based polyurethane resin, 30-40 parts of deionized water, 15-25 parts of nano-scale multi-body slurry, 2-5 parts of a film-forming aid, 0.2-1 part of a de-foaming agent, 0.3-0.5 parts of a wetting leveling agent, 0.2-0.8 parts of a slipping agent, 2-4 parts of a matting agents, and 0.5-1.5 parts of a thickening agent. The paint provided by the invention is environment-friendly and non-toxic. The paint has good water-prevention property and good hardness. With the paint, a paint surface is smooth and bright, and has no bubble. A brushing effect is excellent.

The invention discloses an energy-saving and environment-friendly brick and a preparation method. A brick body comprises cement, fly ash, waste plastics, waste fiber, plant straw, river bottom sludge, calcium carbonate, glass microbeads, quartz powder, wood chips and high-adhesion attapulgite clay. The preparation method comprises the steps of evenly mixing the cement, the fly ash, the river bottom sludge, the calcium carbonate and the quartz powder, adding the smashed waste plastics, waste fiber, plant straw and the wood chips and performing uniform mixing, adding water and performing mixing; adding the glass microbeads, the quartz powder and the high-adhesion attapulgite clay, and perform uniform mixing; forming the mixture, placing the mixture in a steam curing system for steam curing, and obtaining the energy-saving and environment-friendly brick. The energy-saving and environment-friendly brick has the advantages of being low in manufacturing cost and light in mass. Waste materials are adopted to replace soil sand and pebbles and the like, environmental disruption caused by overexploitation is avoided, waste reutilization is implemented, and the brick body further has good effects of water prevention and heat insulation.

The invention belongs to the technical field related to track beams, and discloses a straddle monorail track beam with a wear-resistant and corrosion-resistant composite structure. The straddle monorail track beam with a wear-resistant and corrosion-resistant composite structure includes a beam body, and the beam body is I type hollow structure; the wear-resistant and corrosion-resistant composite structure straddle-type monorail track beam also includes a connected primer layer and a protective layer; the primer layer is arranged on the outer surface of the beam body, and the primer layer A layer covers the outer surface of the beam body; the protective layer is arranged on the surface of the primer layer away from the beam body, and the protective layer covers the primer layer; the material used in the primer layer is the same as The materials used in the protective layer are compatible. The wear-resistant and corrosion-resistant composite structure straddle type monorail track beam provided by the invention has good protection, strong adaptability, high flatness, good wear resistance, simple structure and convenient maintenance.

A preparation method used for preparing a polyurethane hard foam insulation composite board includes the following steps: a fireproof polymer cement sheet is prefabricated; a polyurethane foaming machine manufacturing line is adopted to froth the PAPI and flame-retardant conjugate polyether into the polyurethane board and the polymer cement sheet is simultaneously compounded on two surfaces of the polyurethane board to prepare the multifunctional polyurethane hard foam insulation composite board. The preparation method of the fireproof polymer cement sheet comprises the following steps: after an adhesive and an inorganic powder are mixed according to the proportion of 1:1.5 to 2, the mixture is pressed with a non-woven cloth on the manufacturing line; the adhesive is prepared by the following materials according to the weight portions: 75 to 85 percent of polymer emulsion, 5 to 10 percent of flame retardant, 1 to 6 percent of film-forming additives, 5 to 10 percent of deionized water and 0 to 1.5 percent of thickener; the inorganic powder is prepared by the following materials according to the weight portions: 40 to 60 percent of stuffing, 10 to 25 percent of solid flame retardant and 25 to 40 percent of cement. The composite board prepared by the method integrates the fireproof, waterproof, high-intensity and insulation functions into a whole and can be used for the outer-wall waterproof, fireproof and insulation engineering of buildings.

The invention relates to an anticorrosion coating of a precast pile foundation for the silt soil complicated geology. The anticorrosion coating comprises a pile foundation body, the pile foundation body is coated with an anticorrosion base layer, a polyurea elastic anticorrosion layer is sprayed on the anticorrosion base layer, and the polyurea elastic anticorrosion layer is covered with a polymer reinforced mortar protection layer. The thickness of the polyurea elastic anticorrosion layer ranges from 0.9 mm to 2.5 mm. A flexible anticorrosion layer is formed on the outer surface of a precast pile to serve as the anticorrosion layer of the pile foundation, and after a polyurea elastic body is solidified, the polyurea elastic body is coated with polymer mortar to serve as the protection layer of the anticorrosion layer; the anticorrosion coating isolates corrosion to the reinforced concrete pile foundation of corrosive substances contained in silty soil areas, and the durability of the pile foundation is effectively guaranteed.

The invention discloses a wooden and plastic plate and a manufacturing method thereof. The method comprises the following steps: (1) preparing raw materials; (2) pretreating the raw materials; and (3) mixing and extruding the pretreated raw materials to mould the plate. The plate of the invention is manufactured by taking waste tires, waste plastics, waste leather and the like as the raw materials, has very good water-proofing property after being molded, also has certain elasticity and also contains no formaldehyde. The manufacturing method has the advantages of simpleness, low production cost, high yield, and well recovery of the waste tires, waste plastics, waste leather and the like.

The invention discloses a mothproof and waterproof coating for a garden wooden bridge and a preparation method thereof. The coating comprises the following components: polyacrylamide, polyurethane, graphene, superfine talc powder, nano silicon dioxide, nano aluminum oxide, white carbon black, high-viscosity attapulgite clay, pyrethrum, radix angelicae, cortex cinnamomi, fructus quisqualis, radix euphorbiae lantu, anise, and radix sanguisorbae. The preparation method comprises: extracting the traditional Chinese medicine components respectively to obtain an extracting solution, and making the extracting solution into freeze-dried powder; adding polyacrylamide and a polyurethane aqueous solution into a reaction kettle, adding a graphene aqueous solution, and performing stirring reaction for 0.5-1.5h; and adding the superfine talc powder, the nano silicon dioxide, the nano aluminum oxide, the white carbon black and the high-viscosity attapulgite clay, mixing the materials uniformly, then adding the freeze-dried powder, and mixing the materials uniformly to obtain the coating. The coating is applied to decoration of the garden wooden bridge, and enables the wooden bridge to not only have good waterproof and anticorrosive effect but also have excellent mothproof and mildewproof properties, so that the coating has a good application value.

The invention discloses a flame retardant type waterproof roll. The flame retardant type waterproof roll comprises a fine sand protective layer, a fireproof isolating layer, an upper TPO flame retardant waterproof layer, a fiberglass gridding cloth layer, an aluminum foil layer, a lower TPO flame retardant waterproof layer, a blocking layer, a self-stick layer and an isolating layer which are arranged sequentially in an upper-lower stacked mode. The flame retardant type waterproof roll is adopted, and different materials are recombined into a whole through upper-lower stacked arrangement to obtain a functional complementation multilayer composite structure. Through the fine sand protective layer, the surface of the waterproof roll becomes rough, thus during construction and usage, related people are not liable to slip, and the safety of the people is ensured. Through the fireproof isolating layer and the flame retardant waterproof layers, the waterproof roll has good flame retardance. Through the fiberglass gridding cloth layer, the aluminum foil layer, the blocking layer and the isolating layer, the strength of the waterproof roll can be improved, and puncturing resistance and tearing resistance can be achieved. The flame retardant type waterproof roll has the advantages of good waterproofness, excellent flame retardance, high strength, long service life, a wide application range and the like.

The invention discloses a high-performance and water-proof internal wallboard of a building wall. The internal wallboard is characterized by comprising a base layer, a bonding layer, a fire-proof layer, a water-proof layer, a latex layer and a decorative coating which are sequentially arranged from inside to outside, wherein the water-proof layer is made of an acrylic coating comprising raw materials in parts by weight as follows: 20-30 parts of terpene resin, 30-40 parts of butyl acetate, 15-25 parts of an acrylate copolymer emulsion, 10-20 parts of an acrylic acid solution, 0.5-1.5 parts of a water-proof agent, 20-30 parts of glass beads, 30-40 parts of a modified nanomaterial, 0.5-1.5 parts of titanium dioxide, 20-30 parts of gypsum, 5-10 parts of kaolin, 20-25 parts of diatomite, 1-3 parts of a dispersing agent, 0.5-0.8 parts of a leveling agent, 1.5-2.5 parts of an isothiazolinone derivative, 0.5-2 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 15-20 parts of propylene glycol butyl ether, 0.5-1.5 parts of an antioxidant, 1-2 parts of an organosilicon antifoaming agent and 1-2 parts of an ether-modified organosilicon antifoaming agent.

The invention discloses an architectural metal template release agent containing rosin modified silicone oil, and relates to the technical field of release agents. The release agent is prepared from the following raw materials in parts by weight: 15-20 parts of rosin modified silicone oil, 10-15 parts of bismaleimide resin, 10-15 parts of blast furnace slag, 8-12 parts of polyvinyl butyral, 6-11 parts of polyvinyl chloride paste resin, 5-9 parts of active magnesium oxide, 3-6 parts of polyvinylidene chloride, 3-6 parts of tricetyl phosphate, 2-4 parts of rubber powder, 2-4 parts of perfluorooctylethyl alcohol, 1-2 parts of poly-silicic-ferric sulfate, 1-2 parts of aluminum-magnesium silicate, 0.5-1 part of bone char, 0.5-1 part of dicyclopentadienyl iron, 0.3-0.5 part of isoquinoline and 0.3-0.5 part of nickel fluoride. A protective film formed on the surface of a template by the release agent has excellent waterproof property, corrosion resistance, impermeability and wear resistance, has a good release effect, and can effectively prevent concrete corrosion and template wear.

The invention relates to an antimicrobial fabric for a medical partition curtain, belonging to the technical field of medical fabrics. The antimicrobial fabric comprises a piece of fabric base cloth and a polyurethane functional layer, wherein a polyurethane functional coating agent is applied to the fabric base cloth and then is cured to form the polyurethane functional layer. The polyurethane functional layer of the antimicrobial fabric has a stable and lasting antimicrobial function, and is capable of killing bacteria and inhibiting bacterial reproduction in a contact manner so as to further achieve the aim and effect of resisting bacteria in a long time; in addition, the antimicrobial fabric can be endowed with excellent waterproofness and moisture penetrability by virtue of the polyurethane functional layer.

The invention discloses a waterproof and antibacterial composite functional fabric. The fabric is obtained by padding grey cloth with a waterproof finishing agent and an antibacterial finishing agent. The waterproof finishing agent is prepared from, by weight, 10-35% of SiO2 sol, 5-20% of modified polyethylene wax, 5-15% of vinyl acetate-ethylene copolymer emulsion, 1-10% of polyisocyanate emulsion and the balance water. The antibacterial finishing agent is prepared from, by weight, 5-25% of a quaternary ammonium salt modified compound, 5-15% of a halamine compound, 5-10% of polybasic carboxylic acid, 1-5% of sodium hypophosphite and the balance water. The waterproof and antibacterial composite functional fabric has the hydrophobic and antibacterial functions, and is environmentally friendly, outstanding in performance and high in durability.

The invention discloses an early-warning system and method for the installation of a final connector of an immersed tunnel, and the method comprises a monitoring host and a plurality of sonar altimeters. Two butt joint surfaces of the final connector are respectively provided with at least two sonar altimeters, and two ends of the bottom edges of the butt joint surfaces of the final connector are respectively provided with one sonar altimeter. Each sonar altimeter is connected with the monitoring host, and the monitoring host collects the distance data transmitted by each sonar altimeter. Moreover, when the distance data transmitted by any one sonar altimeter is less than a safety distance, the system gives an alarm for prompt. Because the sonar altimeters are high precision, are good in waterproof performances and are high in reliability and the monitoring host is used for automatically processing the data, the system is high in precision and is reliability.

The invention discloses an anti-ozone and ultraviolet-resistant non-toxic ceramic anticorrosive coating, which relates to the technical field of an anticorrosive coating, which aims to solve the problems that the anticorrosive coating in the prior art contains a toxic volatile organic solvent and environment is polluted due to a large VOC emission amount. The technical scheme point of the coatingis characterized by comprising a component A and a component B; the component A includes the following components in parts by weight: 45 to 55 parts of organosilicon-modified epoxy resin, 8 to 12 parts of polyglycidyl ether, 12 to 18 parts of pigments, 8 to 12 parts of a filler, 0.3 to 0.7 parts of an anti-settling agent, 0.8 to 1.2 parts of an anti-cracking agent, 1.8 to 2.2 parts of a softeningagent, and 4 to 0.6 parts of a coupling agent; and the component B is a non-toxic curing agent, and is a mixture of at least two of a fatty amine curing agent, a polyamide curing agent, and a fatty amine addition product. The anticorrosive coating has the characteristics of no organic solvent addition and zero VOC emission. The invention also provides a method for preparing the anticorrosive coating. The anticorrosive coating has the advantages of good ozone and ultraviolet resistance, and a coating layer obtained by curing has the advantages of good anti-fouling and wear resistance.

The invention relates to the field of industrial waste utilization and building materials, in particular to novel energy-saving and environment-friendly waterproof plastering gypsum and a preparation method thereof. The novel waterproof plastering gypsum is prepared from the following components in percentage by weight: 45 to 60 percent of natural gypsum, 20 to 35 percent of quartz sand, 8 to 15 percent of mineral ash residue, 3 to 8 percent of calcium elevator, 1.5 to 3 percent of waterproof agent, 0.3 to 0.6 percent of gypsum water reducing agent and 1.2 to 3 percent of additive. The preparation method comprises the following steps: weighing proportioning accessories according to a formula; mixing the accessories and putting into a stirring reactor; sufficiently and uniformly stirring to obtain the waterproof plastering gypsum. The novel energy-saving and environment-friendly waterproof plastering gypsum disclosed by the invention has the beneficial effects that after a product is immersed into water for two times and then is dried, the strength is till kept unchanged; mineral waste residues are used as raw materials, so that recycling of wastes is realized, and energy-saving and environment-friendly properties are obtained; when the plastering thickness is smaller than 40mm, the novel energy-saving and environment-friendly waterproof plastering gypsum can be directly applied to a treated base layer, and is high in viscosity and free of hollowing and cracking; after use, the indoor temperature and the indoor humidity can be effectively controlled and adjusted; the novel energy-saving and environment-friendly waterproof plastering gypsum has excellent heat-insulating property, heat-insulating function and water resistance.

The invention relates to a manufacturing method of a multifunctional outdoor protective fabric. Flame-retardant polyester with a high phosphorus content is selected and used as a raw material, and is subjected to vacuum drying and pre-crystallization for 8-12 hours until the intrinsic viscosity is greater than or equal to 0.8 dl/g, high-strength fine-denier short fibers are obtained and are spun to be yarn, and the yarn is stranded, is woven and is subjected to post-processing technologies comprising water proofness, oil repellence, infrared proofness, and the like, so as to enable the multifunctional outdoor protective fabric to have following advantages that firstly, the flame-retardant performance is good: the oxygen index is greater than or equal to 37 percent and the multifunctional outdoor protective fabric is environmentally friendly and is permanent flame-retardant; secondly, the water-proof performance is good: the hydrostatic pressure is greater than or equal to that of 60 cm water column; thirdly, the oil-repellent performance is good: the oil-repellent performance reaches a level of six; fourthly, the infrared-proof performance is good: the wavelength is in the range of 750 nm to 1500 nm, and the transmissivity is in the range of 5.1 percent to 6.6 percent; fifthly, the breaking strength is large: the warp breaking strength of a base cloth is greater than or equal to 2700 N, and the weft breaking strength of the base cloth is greater than or equal to 1800 N; sixthly, the gram weight is greater than or equal to 200g/m<2>, and the multifunctional outdoor protective fabric is convenient to use; and seventhly, the air permeability is good, the water vapor permeability is greater than or equal to 8000g/m<2>.24h, and the multifunctional outdoor protective fabric is comfortable to use.

The invention provides a shallow layer foundation pit dewatering construction method for a water-rich pebble bed, and relates to the field of dewatering of a water-rich pebble bed foundation pit. Theshallow layer foundation pit dewatering construction method comprises the following steps that S1, dewatering well construction is prepared; S2, drilling is carried out, and a drilling machine takes place to drill at a preset dewatering well position and lower a well pipe; S3, a PVC pipe is installed in the well pipe; S4, drilling and slip casting are carried out on side pebble bed of a foundationpit; S5, the grouting effect in the pebble bed is detected; and S6, the dewatering work is started. According to the shallow layer foundation pit dewatering construction method, an anti-seepage curtain is formed between two dewatering wells to dredge underground water into the dewatering radii of the dewatering wells, the shallow layer foundation pit dewatering construction method has the advantages of good dewatering effect and high dewatering efficiency, meanwhile, the construction cost is saved, and the construction cycle is shortened.

The invention relates to bamboo cotton three ply loose twist bath towel and its manufacturing method. It includes the following steps: boiling bleaching; neutralizing; oxidizing; dying; soap boiling; softening. The product of the invention has the advantages of long antibiosis, waterproof function, wear, cool feel, anti ultraviolet, green, detoxify etc.

The invention in particular relates to glue for a high-permeability waterproof fabric, the high-permeability waterproof fabric and a making method thereof and belongs to the technical field of high-permeability waterproof fabrics. The glue for the high-permeability waterproof fabric comprises bottom glue and surface glue, wherein the bottom glue comprises the following component in parts by weight: 90-110 parts of PU resins, 2-5 parts of a bridging agent I, 1-3 parts of an accelerant, 12-17 parts of methyl acetate and 1-2 parts of a bridging agent II; the surface glue comprises the following component in parts by weight: 90-110 parts of PU resins, 8-12 parts of acrylic-based resins, 0.5-1.5 parts of a smoothing agent, 5-10 parts of a flatting agent and 20-25 parts of methyl acetate. The fabric prepared by the invention has excellent waterproof property and also has high permeability, the permeability of the fabric reaches an upright cup detection standard and is larger than 3000g/(m2*Pa*h).