25907results about How to "Improve waterproof performance" patented technology

The invention relates to a 3D printing cement-based material and a preparation method thereof. The 3D printing cement-based material is composed of a powder form gelling material and an aggregate, the powder form gelling material is composed of cement, an active admixture, a water reducer, a hardening accelerator, an adjustable solidification agent, an expanding agent, a binder, an air-entrainer, a plasticity-maintaining agent, a water repellent, starch ether, a powder filling material and fiber, and the aggregate is composed of a fine aggregate and a crude aggregate. Compared with prior art, the 3D printing cement-based material has the advantages of good work performance, constructability performance, mechanical property and endurance performance.

The invention relates to a monitoring system and specifically relates to a plant-level comprehensive supervision platform. The plant-level comprehensive supervision platform comprises a front-end system, a transmission network and a master station system, wherein the front-end system is integrated with subsystems of video monitoring, environmental monitoring, security guard, fire alarm, one-card-through, entrance and exit control, maloperation prevention, gps positioning, intelligent lighting, intelligent control and the like in a thermal power plant; the transmission network functions as a bridge for connecting the front end and the platform; the master station system comprises a local monitoring center, a cloud computing system, an application platform and a whole network operation and maintenance platform. The comprehensive supervision platform is a large online monitoring system integrated with hardware, software and network; the platform software is taken as the core to realize centralized management on all zones; besides, centralized monitoring and uniformed management on the front-end system can be realized at a regulation and control center; in short, the plant-level comprehensive supervision platform escorts the smart grid.

A wood adhesive having a) 100 weight parts of water; b) between 3 and 45 weight parts of a proteinaceous material; c) between 0.01 and 15 weight parts of an acidity regulator; d) between 0.01 and 15 weight parts of an aromatic compound; e) between 0.01 and 15 weight parts of a curing agent; f) between 0.01 and 15 weight parts of a preservative; g) between 0 and 15 weight parts of a viscosity modifier; h) between 0 and 10 weight parts of a filler; and i) between 0 and 15 weight parts of a drier. The wood adhesive can be used for preparation of plywood, blockboard, oriented strand board (OSB), flakeboard, fiberboard, veneer plywood, middle density fibreboard, high density fibreboard, hardboard, flooring substrate, LVL, and so on. A method for preparing the wood adhesive is also provided.

The invention relates to an environment-friendly light heat-insulating material for fireproof doors and buildings, and a manufacturing method thereof. The manufacturing method is characterized by comprising the following steps of: pretreating plant hollow core bodies and/or flexible porous fillers by using a water glass adhesive; mixing with inorganic fire-resistant hollow particles; and performing mould pressing, shaping and drying to obtain the environment-friendly light heat-insulating material. The hollow core bodies and the flexible porous fillers are arranged multidirectionally; one layer of water glass adhesive is arranged at least on the surfaces of the hollow core bodies and the flexible porous fillers; and discontinuous holes are reserved between the hollow core bodies and/or the flexible porous fillers and the inorganic fire-resistant hollow particles. Preferably, the hollow core bodies are rice husks and straw sections; and the flexible porous fillers are foam and fibers. Renewable plant resources and recovered foam and fiber waste are adopted, so the environment-friendly light heat-insulating material is energy-saving and environment-friendly; and a large number of sealed holes are formed among the material particles through the penetration and coating of the modified water glass adhesive, and a heat-insulating hydrophobic corrosion-resistant multi-effect protective layer is provided, so the environment-friendly light heat-insulating material has good fireproof, heat-insulating and heat-preserving effects, high weather resistance, combined rigidity and toughness, low density and low cost.

A fiberglass non-woven binder composition containing a carboxy-functional copolymer binder crosslinker and a compound capable of forming a hydrogen-bonding complex with the carboxy-functional copolymer binder. The binder composition provides a strong, yet flexible bond that allows a compressed fiberglass mat to easily expand once the compression is released. The binder composition is capable of being cured at lower cure temperatures than those binders prepared using conventional crosslinkers.

The invention relates to a hydrophobic granule and a preparation method thereof, and a waterproof breathable structure and a forming method thereof. The hydrophobic granule comprises aggregate and a hydrophobic resin film coated on the aggregate, wherein the aggregate size is 6-300 meshes, and the hydrophobic resin film is made of one or a plurality of hydrophobic epoxy resin, bakelite, polyurethane resin and silicone resin, and coated on the aggregate. The preparation method of the hydrophobic granule comprises the following steps: heating the aggregate to 50-400 DEG C; adding the hydrophobic resin, evenly stirring so that a film is coated on the aggregate surface; and cooling, crushing and screening to obtain the hydrophobic granules. The hydrophobic granule can be widely used as a waterproof breathable layer in desert planting, lake bottom seepage-proofing, river course seepage-proofing, landscape water system bottom seepage-proofing, and has favorable waterproof and breathable properties.

Porous membranes having a micro phase separation structure and showing a light transmittance at the wavelength of 400 nm of not less than 30% are obtained by the dry phase conversion method comprising drying a coating layer of a dope containing a polymer, a good solvent for the polymer and a poor solvent for the polymer which solvent has a higher boiling point than the good solvent. The polymer includes cellulose derivatives, vinyl-series polymers such as acrylonitrile-series polymers and (meth)acrylic acid ester-series polymers, polysulfone-series polymers, and the like. The porous polymer membranes have a porosity of 10 to 60%, a mean pore size of about 0.002 to 0.35 mum and a maximum pore size of not greater than 0.4 mum. These porous membranes shows not only excellent transparency but also high productivity.

The invention discloses a kind of new industry dope. It comprises such materials as 95 - 105 weight shares of Component A, and 1 - 3 weight shares of Component B; thereinto, Component A is made from following weight percents of materials: cementing agent 30-60%, pigment 12 - 30%, filling agent 10 - 30%, auxiliary agent 0.1 - 5%, compound nanometer dispersing agent 5 - 15% and solvent 10 - 25%; Component B is comprised of catalyzed membrane forming agent - nanometer Sb2O3 and mixed organic solvent carriers. The invention firstly brings nanometer Sb2O3 into high temperature heat preservation dope as catalyzer in dope membrane forming process. The dope of the invention has following advantages: it has high temperature heat preservation and heavy anticorrosion performances, and the coat has good acid resistance, alkali resistance, salt mist resistance, oil resistance, chemical reagent resistance, waiting resistance and ultraviolet resistance; it has excellent fire protection and waterproof performance; the clinging strength of smearing membrane is good, membrane forming speed is fast, and performance is stable.

A case includes a case body, a lid, hinges supporting the lid on the case body and a waterproof seal placed on the joining surface of the case body. The lid can be turned for closing on the hinges so as to compress the waterproof seal perpendicularly to the joining surface of the case body. Each hinge is provided with a hinge pin having opposite cylindrical end parts and an offset middle part defining a groove together with the cylindrical end parts. The grooves of the hinges permit first knuckles formed integrally with the lid to sink therein so that the lid held with its joining surface parallel to the joining surface of the case body can be moved toward the case body perpendicularly to the joining surface of the case body to compress the waterproof seal perpendicularly between the joining surfaces of the lid and the case body. The hinge pin is restrained from coming off by the first knuckles when the first knuckles are engaged in the groove.

The invention relates to a high temperature resistant anticorrosion coating based on graphene and a preparation method thereof. The high temperature anticorrosion coating comprises the following components by the mass percentage: 5-60% of epoxy resin, 3-30% of polyphenylene sulfide resin, 3-30% of amino resin, 1-10% of a pigment, 1-20% of graphene, 3-50% of n-butyl alcohol, 0.1-0.3% of a defoaming agent, 0.1-10% of polyhydroxy acid sodium salt, 0.1-5% of benzenedicarboxylic acid dibutyl ester, 0.5-1.0% of bentonite, and 0.2-0.5% of a leveling agent. Compared with the prior art, the prepared coating has the advantages of quite excellent waterproof and anticorrosion performance, high temperature resistance, weather resistance, alkali resistance, impact resistance, artificial aging resistance and the like, and the preparation method has the advantages of good controllability, simple operation, low production cost, and easy industrialized production.

Disclosed are a low-dielectric-constant glass fiber having a glass composition comprising, by weight %, 50 to 60% of SiO2, 10 to 18% of Al2O3, 14% to less than 20% of B2O3, 1% to less than 6% of MgO, 2 to 5% of CaO, 0.5 to 5% of TiO2, 0 to 0.3% of Li2O, 0 to 0.3% of Na2O, 0 to 0.5% of K2O and 0 to 2% of F2, the content of MgO+CaO being 4 to 11% and the content of Li2O+Na2O+K2O being 0 to 0.6%, and a glass fiber fabric made of the low-dielectric-constant glass fiber. The glass fiber of the present invention has a low dielectric constant and a low dielectric tangent, is excellent in productivity and workability and is also excellent in water resistance, and the glass fiber is suitable for reinforcing printed wiring boards for high-density circuits.

The invention relates to a hydrophobic modified alkali-activated inorganic polymer coating restoration material, and belongs to the field of building materials. The hydrophobic modified alkali-activated inorganic polymer coating restoration material is used for the surface restoration and protection of building engineering, and is especially suitable for the restoration and protection of concrete of walls, water conservancy engineering, tunnels, bridges, roads, docks and water pools. The hydrophobic modified alkali-activated inorganic polymer coating restoration material comprises water, an alkali activator, a gelling base material, a water repellent and an assistant.

An ink for ink jet recording and an ink jet recording method which realize an image quality of laser printer on a plain paper in a one-pass printing mode under conditions of a volume of an ink droplet ejected being 5 to 43 Pico liter, a velocity of an ink droplet being 6 to 20 m/sec, frequency of 1 kHz and resolution of 300 dpi or more. The ink for ink jet recording is a penetrating type ink which comprises (1) at least one humectant selected from glycerin, 1,3-butandiol, triethyleneglycol, 1,6-hexanediol, propyleneglycol, 1,5-pentanediol, diethyleneglycol, dipropyleneglycol, trimethylolpropane and trimethylolethane, (2) colorant contained in the amount of 6 % by weight or more, (3) a polyol having 8 to 11 carbon atoms and glycolether, and an anionic surfactants or non-ionic surfactants, the ink has viscosity of 5 mPa.s or more at 25° C. and a surface tension of 40 mN/m or less.

The present invention provides a method for constructing a universal LED bulb, a snap ring structured LED bulb and a lamp. The constructing method comprises: supporting an optical engine core member of the LED bulb in the lens snap ring (8) using a lens snap ring (8) as a supporting main body, using an inner snap ring (81) provided on the inner side of a light distribution optical lens (7) in the optical engine core member as an auxiliary supporting structure, and further using the inner snap ring (81) as an installation base of an optical engine module (4) and a heat conductive bracket (3) or an installation base of an LED bulb radiator (103); the optical engine core member of the LED bulb is composed of the heat conductive bracket (3), the optical engine module (4), the inner snap ring (81) and the light distribution optical lens (7).

A toolbox having modular components for additional storage and functionality includes modular attachments that are adapted to removably fit various attachments, such as a cooler, cup holder, saw blades holder, drill bit holders, and the like. In addition, the toolbox includes a three-quarter length tray that allows the craftsman to overstuff the inside of the toolbox and additional storage compartments in the lid of the toolbox.

An about ⅝ inch to ¾ inch thick low weight, low density gypsum panel with fire resistance capabilities sufficient to provide a Thermal Insulation Index of at least 17.0 minutes which when subjected to U419 test procedures will not fail for at least 30 minutes and, in selected embodiments, also has outstanding water resistance properties.

The invention provides a cement-based composite material for powder-bonding three-dimensional (3D) printing. The material is prepared from the following components in parts by weight: 1 part of cement, 0-5 parts of sand, 0-5 parts of a mineral admixture, 0-0.2 part of an expanding agent, 0-0.2 part of a toughening agent, 0-0.2 part of mineral pigment, 0.1-0.5 part of water, 0-0.25 part of polymer emulsion, 0.001-0.05 part of an additive and 0-0.03 part of fibers, wherein the cement is selected from one or a mixture of more in silicate cements, sulphoaluminate cement, high belite sulphoaluminate cement, aluminate cement, fluoroaluminate cement, aluminosilicate cement, phosphate cement or magnesium oxide cement; the additive is selected from one or a mixture of more in a water reducing agent, an early strength agent or a coagulating regulating agent. After being contacted with water, the cement-based composite material can be hardened, thus not needing a great deal of polymer adhesive; the cement-based composite material is rapid and controllable in hardening speed; the cement-based composite material is small in deformation in the hardening process, thus being suitable for a powder-bonding 3D printing technology. The invention also provides a method for carrying out powder-bonding 3D printing by using the cement-based composite material.

The invention provides a waterproof cold resistance temperature resistance inflaming retarding polyvinyl chloride insulating material, which comprises the following components according to the parts by weight mixture ratio: 100 of polyvinyl chloride resin, 20-70 of thermal stability plasticizer, 1-7 of cold tolerance plasticizer, 5-15 of modifier, 3-9 of stabilizing agent, 4-30 of flame retardant, 5-70 of filling agent, and 0.5-3.5 of lubricant. The insulating material has excellent waterproof performance, temperature resistant cold resistance and insulating performance, also has good soft performance and good processing performance.

The present invention pertains to an epoxy-functional organopolysiloxane resin, and an epoxy-functional organopolysiloxane coating composition comprising the epoxy-functional organopolysiloxane resin. The epoxy-functional organopolysiloxane resin which contains repeating units having the formulae:whereinE is an epoxy-functional C1-18 hydrocarbon group containing one or more oxygen atoms, provided that no oxygen atom is directly bonded to a Si- atom; andR1 and R2 are independently a C1-20 hydrocarbon, optionally interspersed with a heteroatom linking group,a is an integer of 0, 1, or 2, preferably 0 or 1;b is an integer of 0, 1, 2 or 3, preferably 0, 1, or 2;c is an integer of 0, 1, 2 or 3, preferably 0, 1, or 2; andin M units, a+b+c=3,in D units, a+b+c=2,in T units, a+b+c=1,with the proviso that the molecule, on average, contain at least two E components.

An ink set comprising an ink containing at least an organic pigment, a water-soluble organic solvent and water and a treating liquid which is applied to a recording medium before applying the ink to the recording medium and produces an agglomerate upon contact with the ink, the ink containing a low molecular weight dispersant having a molecular weight of 2000 or lower and polymer fine particles.

A cooling system for an engine transmission in a saddle type vehicle such as an all-terrain-vehicle. In one embodiment, the cooling system has an induction duct, connected to a belt case that houses a transmission, for inducting cooling air into the belt case. The system further includes a discharge duct connected to the belt case for exhausting the cooling air from the belt case, the discharge duct extending towards a rear fender of the vehicle. In addition, the system has an air exhaust aperture through which the cooling-air exits the discharge duct, the exhaust aperture located at an end of the discharge duct, the discharge duct generally forming an inverted "U" shape as viewed from a rear end of the vehicle, and the air exhaust aperture positioned so that the cooling air exiting the discharge duct does not directly strike the rear fender of the vehicle. The cooling system further has an induction box having a cooling-air induction port that allows the entrance of cooling-air into the induction box, the induction box being generally positioned in the transverse center of the vehicle, and the induction port being opened at a position near the bottom of a front fender of the vehicle.