196results about How to "Reduce the waterproof effect" patented technology

The invention is directed to provide a method for producing an ink jet recording head, which is free from the problems produced by an inexpensive system, and excellent in discharge stability. The present invention provides a method for producing an ink jet recording head equipped with an ink discharge port from which the ink is discharged, ink discharge port face on which the ink discharge port is set and discharge energy generating element which generates energy necessary to discharge the ink, and is finished water-repellent in such a way to make the ink discharge port face hydrophilic partly around the ink discharge port, comprising the following steps, a step which forms the photosensitive water-repellent processing layer in the ink discharge port face, a step which irradiates light onto the water-repellent forming region and hydrophilic forming region in the water-repellent processing layer, to cure the layer, a step which irradiates light selectively onto the hydrophilic forming region to reduce water repellency of the water-repellent processing layer and to impart hydrophilicity to the hydrophilic forming region, and a step which forms an opening, which constitutes part of the ink discharge port, in the water-repellent processing layer.

Provided is a urethane resin composition for a moisture-permeable waterproof sheet which has excellent moisture permeability, waterproofness, chemical-resistance to insecticide, an organic solvent, etc., and superior durability, a moisture-permeable waterproof sheet, and a method of manufacturing the same. The polyurethane resin composition for a moisture-permeable waterproof sheet includes a hydrophilic polyurethane resin (A), organic polyisocyanate (B) having polyisocyanate (B0) with a functional number of 3 or more, and an organic solvent (C). Further, the hydrophilic polyurethane resin (A) includes high-molecular diol (d) having an oxyethylene group, organic diisocyanate (e), and a chain extender (f), and a content of an oxyethylene group is preferably 10 to 80 mass %. Also, the organic polyisocyanate (B) is at least one selected from the group consisting of aliphatic polyisocyanate and alicyclic polyisocyanate which have an average functional number of from 2.3 to 5.

The invention discloses a linear-hyperbranched phosphate salt surface active agent and a preparation method thereof. AB2 type monomers are synthesized, then avterminal hydroxyl hyperbranched polymer is synthesized, a long chain is introduced into the middle end of the terminal hydroxyl hyperbranched polymer, unmodified hydroxyl continues to be phosphorylated, and the linear-hyperbranched phosphate salt polymer is synthesized. The hydroxyl long chain is introduced, so that lipophilicity is improved, terminal lipophilicity is modified into a phosphate base, the prepared polymer has multi-terminal hydrophilic groups and hydrophobic groups and can be used as the surface active agent, the dispersity, flame retardance, antibacterial property, antistatic property and other special properties can be given, and excellent surface activity and biocompatibility are achieved.

The invention discloses an open type aluminum plate curtain wall, which is characterized in that: the open type aluminum plate curtain wall comprises vertical columns, horizontal beams, aluminum single plates and aluminum alloy secondary frames; the horizontal beams are fixed to the vertical columns by bolts running through the vertical columns; the aluminum alloy secondary frames comprise secondary frame main parts with hook grooves in the middle, and hook plates hooked in the hook grooves; one ends of the secondary frame main parts are fixedly connected with the vertical columns by the bolts, while the other ends of the secondary frame main parts are parallel to one ends of the hook plates far away from the hook grooves; one ends of the secondary frame main parts parallel to each other and one ends of the hook plates are fixedly connected with two adjacent aluminum single plates by the bolts respectively; and one ends of the secondary frame main parts parallel to each other and one ends of the hook plates are formed with open type space. The open type installation method meets needs of seeking different effects, so that the open type aluminum plate curtain wall is more beautiful; in addition, the non rigid connection method is more favorable for expansion and contraction among the plates, so that the open type aluminum plate curtain wall is improved in structural stability.

The invention discloses an LED road lamp with a mounting interface support combined component. The LED road lamp comprises the mounting interface support combined component, an LED bulb (102) with waterproof and dustproof functions and a radiator is arranged on the mounting interface support combined component, a metal punched or plastic die-cast lamp shell (101) is arranged outside the mounting interface support combined component, the mounting interface support combined component is connected with a lamp post (116) through a lamp fixing flange (106) and comprises a tube support (108), the lamp fixing flange (106) and a lamp shell and bulb fixing support (110) which are connected with one another, and the tube support (108) is formed by cutting standard tubes in a sectioned manner. The LED road lamp is simple in structure, low in manufacturing cost and convenient to mount, use and maintain. The bulb (an independent light source) of the LED lamp, a lighting fixture and a lighting control product can be respectively independent in production and use, production links of LED lighting products are greatly decreased, batch production is improved, and standard large-scale production and industrialization of the energy-saving LED lighting products are facilitated.

Provided is a waterproof structure, wherein space within a case can be water-proofed for sure, and damages to connectors can be avoided. In a structure, wherein a connector (1) fixed to a mounting hole (11a) of a metal case (11) of a motor mounted onto an automobile, and a connector (2) fixed to a mounting hole (12a) of a metal case (12) of an inverter are intermeshed, a waterproof structure (100) that waterproofs the space within each of the cases (11, 12) is provided with: a circular first packing (8a) installed at an overlapping section (35) of the case (11) and the connector (1), and between faces of the case (11) and the connector (1) that intersect with the intermeshing direction (Y), and which surrounds the mounting hole (11a) and keeps the gap between the case (11) and the overlapping section (35) watertight; and a circular second packing (8b) installed between the faces of the case (12) and the connector (2) that are parallel to the intermeshing direction (Y), and on the outer circumference face of a mounting-hole inserting-through section (62) of the connector (2), and which keeps the gap between the mounting-hole inserting-through section (62) and the inner circumference of the mounting-hole (12a) watertight.

To provide a waterproof grommet capable of preventing a split of an inner circumferential face of a through-hole formed on the waterproof grommet without deteriorating waterproofness. A first member 20 formed in the inner circumferential face of at least one through-hole 21 allowing penetration of an electric wire connected to a contact and having a first sealing part 22 capable of adhering closely to the electric wire is formed by an elastic material with hardness lower than a second member 30 formed on an outer circumferential face and having a second sealing part 32 capable of adhering closely to a connector housing 40.

The invention relates to a preparation method of a straw-plastic composite plate. The preparation method comprises steps as follows: (1), grinding of raw materials; (2), preparation of modified straw powder; (3), preparation of a modified straw-plastic composite material; (3), profile assembly and the like. With the adoption of the preparation method, the modified straw-plastic composite material is added to a hollow plate and is tightly compacted, so that the straw-plastic composite plate is obtained. The method is simple in process and high in operability; chromated copper arsenate is adopted as a preservative, and the straw-plastic composite plate has the characteristics of cleanness, absence of odor and the like; the preservative alkaline copper quaternary does not contain chemical substances such as arsenic, chromium and the like, does not have adverse effects on the environment and cannot harm human, livestock, fish or plant; the straw-plastic composite plate prepared with the method saves straw plastics, reduces the cost, is free of the environmental pollution, is environment-friendly, does not have any harm to a human body, and is suitable for wide commercial popularization; meanwhile, the recycled waste straw can be adopted, and further, the cost is greatly reduced.

The invention discloses a multifunctional door and window profile with ventilation, noise elimination and heat resistance functions, which comprises a profile body, wherein the profile body is provided with a wind inlet communicated with outdoor air and a wind outlet communicated with indoor air; a ventilating channel communicated with the outdoor air and the indoor air is formed in cavities of the wind inlet, the wind outlet and the profile body; the ventilating channel is internally provided with an air door and a sound absorption module; and the profile body is internally provided with a heat insulating bridge formed by a heat insulating module. The profile body is provided with the wind inlet and the wind outlet which are communicated with the outdoor air and the indoor air so that the door and window profile has the function of ventilation; meanwhile, the profile body is internally provided with a rotatable air door; the air inlet quantity is controlled by adjusting the open degree of the air door; the profile body is also internally provided with the sound absorption module and the heat insulating module; and the ventilating quantity and requirements of people for indoor noise reduction and heat insulation are also met. The multifunctional door and window profile has the advantages of simple structure, low cost and attractive appearance.

An outer wall structure of the invention includes an outer wall mounting member composed of a supporting plate and a plurality of securing members. The supporting plate includes a plate body and a positioning portion. With this outer wall structure, the plate body is fixed to a horizontal furring strip member and a frame member in an upside portion and a downside portion of a sash body of a window sash at a second distance away from an outer surface of the sash body. The securing members are fixed to the plate body at a third distance away from the outer surface of the sash body. In this outer wall structure, the position at the second distance is farther away from the outer face than the position at a distance from the outer surface of the sash body to a distal end portion of a flange of the sash body.

The invention discloses polymer cement-based modified mortar. The polymer cement-based modified mortar comprises the following raw materials in parts by mass: 200 to 350 parts of fine sand, 80 to 140parts of cement, 20 to 30 parts of ceramic powder, 15 to 25 parts of clay, 10 to 30 parts of rubber powder, 5 to 15 parts of diatomite, 5 to 15 parts of graphite powder, 8 to 20 parts of polymer emulsion, 5 to 10 parts of basalt fiber, 3 to 8 parts of polyacrylonitrile fiber, 2 to 5 parts of a water-reducing agent, 1 to 3 parts of a defoaming agent, 2 to 5 parts of a coupling agent and 50 to 150 parts of water. The polymer cement-based modified mortar has advantages of high structural strength, high waterproofness, high toughness, high bending strength, high volume stability, high durability,high freezing resistance, high early strength and good use effect, and is not liable to crack.

The invention discloses green high-performance concrete. The green high-performance concrete comprises water, cement, aggregates, water reducers, nucleating agents, gelatinization assistants, coal ash, water-quenched manganese residues, sulfonated lignin, calcium chloride, lignin, titanium fibers, hemicellulose, pectin, anhydrite and swelling agents. A preparation method of the gelatinization assistants specifically includes mixing beta-cyclodextrin with silicon dioxide and water, drying off moisture after soaking, adding expanded perlite, and evenly mixing to obtain the gelatinization assistants. A preparation method of the nucleating agents includes grinding stone and the anhydrite into powder with the grain diameter of 0.075-1.25mm, and adding ferric chloride and copper sulfate before even mixing. The green high-performance concrete has the advantages of capability of extending concrete pumping distance, high initial slump, low slump loss, high compressive strength, high breaking strength and capability of saving energy sources.

The invention provides lightweight high-strength waterproof concrete and a preparation method thereof, and belongs to the field of concrete. The lightweight high-strength waterproof concrete comprisesthe following components in parts by mass: 450 to 500 parts of Portland cement, 130 to 160 parts of mineral powder, 130 to 160 parts of fly ash, 70 to 80 parts of silica fume, 60 to 85 parts of glassmicro-beads, 16 to 18 parts of steel fibers, 180 to 210 parts of iron tailing sand, 350 to 400 parts of pore-sealing fly ash ceramsite, 180 to 200 parts of water, 15 to 25 parts of a water reducing agent and 4 to 5 parts of a permanent solidification liquid RMO. The pore-sealing fly ash ceramsite is prepared by a method comprising the following steps: immersing fly ash ceramsite into a mixed solution of RMO and water, pre-wetting, draining off water after 1 hour, and then carrying out coating treatment by using a mixture of Portland cement and iron tailing sand powder, so as to obtain the pore-sealing fly ash ceramsite. The concrete disclosed by the invention has the properties of light weight, high strength and water resistance.

The invention discloses a qercetin waterproof agent and relates to the technical field of building materials. The invention adopts a technical scheme that: the qercetin waterproof agent is prepared from 100 parts of deionized water, 3 part of lotus leaf extract, 8 parts of absolute ethanol, 8 parts of methyl silicic acid and 5 parts of potassium hydroxide. The manufacturing process of the qercetin waterproof agent comprises: uniformly mixing the absolute ethanol and the methyl silicic acid, reacting for 30 minutes in a natural environment, adding the deionized water in a reaction kettle and heating to 50 to 60 DEG C; adding lotus leaf extract and potassium hydroxide, continuously heating to 100 DEG C, adding the reacted methyl silicic acid into a reaction kettle, and reacting at a constant temperature for 50 minutes; pouring the reaction solution into a settling tank for cooling and settling; and pouring clear liquid obtained by settling into a filling machine for filtering, and filling to obtain finished products. The waterproof agent produced by the invention is an environmentally-friendly product and is free from formaldehyde, toxin, pungent odor, flammability, volatilization and steel bar corrosion. The waterproof performance is reliable, the water proof life is long, and the acid resistance, alkali resistance and weather resistance are high. The construction is safe, the operation is simple and convenient, and the price is reasonable.

The invention discloses a concrete micro crack reinforcing construction method. The construction method includes the following steps: (1) repairing cracks having the width of within 0.3 mm; (2) repairing cracks having the width of 0.3-0.5 mm; and (3) repairing through cracks. Moisture in concrete can be given outward completely, and in this way, the durability of a concrete structure can be greatly improved. It is worth mentioning that CM-DPS has excellent nano reinforcing bar performance, can provide anti-deformation and anti-tensioning performance of a concrete surface, and has absolute technological leading edge. The capillary crystalline protective layer can play a role in structure reinforcement, can play a role in connection such as adhesion, is simple in construction, and is reasonable in cost; and in addition, a reinforcing material has excellent anti-aging performance, can avoid decrease in cohesive property, anti-shearing ability and waterproof performance due to high temperature, rolling, lower temperature and frost.

The invention belongs to the technical field of solid waste treatment and provides an organic-inorganic solid waste composite material. The organic-inorganic solid waste composite material comprises the following raw materials: 70 to 80 weight percent of waste polyvinyl chloride, 10 to 20 weight percent of inorganic solid wastes, 1 to 2 weight percent of a stabilizer, 1 to 3 weight percent of a modifier, 0.5 to 1 weight percent of a foaming agent, 3.5 to 6 weight percent of a foaming regulator, 0.1 to 0.5 weight percent of stearic acid and 0.1 to 0.5 weight percent of a waxy lubricant. The light-weight composite material can be obtained under the specific proportion; the material has a great bearing capability and excellent freezing and thawing resistance; and meanwhile, the material alsohas the advantages of waterproof performance and low formaldehyde release amount.

The invention provides PU air-dried paint which needs only one-time construction and has strong adhesive force to a metal or glass surface. The PU air-dried paint contains component A, component B and component C, wherein the component A is main paint, the component B is solidifying agent and the component C is solvent containing active monomer respectively, and the component A, the component B and the component C are mixed together according to the weight percent of 2:1-1.5:2-3. The main paint takes epoxy acrylic resin as film forming matter, the solidifying agent is HDI-TDI composite solidifying agent with a solid content of 50 percent, and the active monomer is acrylate phosphate ester. The PU air-dried paint has high paint film gloss and good paint film fullness, can be strongly adhered to the stainless steel or glass surface, has good water resistance, acid and alkali resistance, wear resistance and the like, can be rapidly dried at a low temperature of 50-80 DEG C and can also be dried by air at normal temperature, is especially suitable for being painted on the surfaces of daily necessities and craftworks which take stainless steel or glass as substrates.