57results about How to "Efficient waterproof" patented technology

The invention relates to modified PET (Polyethylene terephthalate) polyester as well as a preparation method and application thereof, and belongs to the field of modified polyester. The modified PET polyester comprises aerogel particles and polyethylene terephthalate; the aerogel particles are dispersed between the molecular chains of the polyethylene terephthalate uniformly; the particle size of the aerogel particles is 2 to 3 microns; the content of the aerogel particles in the modified PET polyester is 1 to 10 percent by weight. Modified PET is prepared by the steps of adding the aerogel powder into glycol, putting into a grinding machine, grinding to prepare mixed slurry, mixing the mixed slurry and terephthalic acid, and performing esterification reaction and polymerization reaction. Modified PET fiber is prepared by slicing the modified PET, metering, spinning, cooling, applying oil, stretching, performing heat setting and performing winding formation. The aerogel particles are introduced before polymerization of the PET polyester, so the prepared PET has high spinnability, can produce modified PET fibers with various thickness, has wide application range and can meet the production requirement of various fabrics.

The invention relates to the technical field of lithium batteries and discloses a lithium battery for an electric forklift with the good heat dissipation effect. The lithium battery comprises a battery shell box. An air inlet is formed in the front surface of the battery shell box. A protective net is fixedly mounted on the inner wall of the air inlet. A fan is fixedly installed on the inner wallof the air inlet and located on the back face of the protective net. Heat dissipation holes penetrating through and extending into the battery shell box are formed in the left side and the right sideof the outer wall of the battery shell box. Installation holes penetrating through and extending into the battery shell box are formed in the top of the battery shell box. The lithium battery for theelectric forklift is good in heat dissipation effect. Through turning on the fan, the fan sucks external cold air into the battery shell box through the air inlet. Therefore, the heat on cooling finsis dispersed again. One part of the cold air brings the heat out of the battery shell box through the heat dissipation holes, so that the effect of efficient heat dissipation is achieved. As a result,the heat dissipation effect of the lithium battery is improved.

The invention discloses a concrete inorganic environmental waterproof expanding agent and its preparation method. The concrete inorganic environmental waterproof expanding agent comprises the following ingredients: 15-25wt% of cement, 0.1-0.5 wt% of aluminum sulfate, 3.5-6.5wt% of potassium aluminum sulfate, 1.0-2.5wt% of ferrous sulphate, 0.1-0.3wt% of sodium chloride, 0.1-0.3wt% of urea, 0.1-0.3wt% of sodium sulfate, 35-45wt% of gypsum and 25-35 wt% of coal ash. The preparation method comprises the steps of taking raw materials, making the raw materials into powder, mixing the powder, stirring uniformly and the like. The expanding agent disclosed in the invention has the functions of efficient waterproofing, damp-proofing, expansion, crack resistance, permeability resistance and the like, without corrosion effects on steel bars, with low cost, and is suitable for waterproofing of various concretes.

The invention relates to outer wall composite nano paint. The outer wall composite nano paint consists of the following raw materials: nano composite material II, plasticizing agent, pure water, dispersant, antifreeze, defoaming agent, nano titanium dioxide, flatting agent, styrene-acrylic emulsion, fine particle calcium carbonate and coarse whiting, thickening agent and film forming additive, wherein based on the total weight of inner wall nano paint, the outer wall composite nano paint comprises 7.2 percent of the nano composite material II, 2.8 percent of the intensifier, 0.3 percent of the dispersant, 2.6 percent of the antifreeze, 0.3 percent of the defoaming agent, 26 percent of the nano titanium dioxide, 0.6 percent of the flatting agent, 33 percent of the styrene-acrylic emulsion, 8 percent of the fine particle calcium carbonate and coarse whiting, 1 percent of the thickening agent, 2.2 percent of the film forming additive, and the balance being pure water. The outer wall composite nano paint integrates the functions of heat insulation, fire retardation, heat preservation, environment protection, high elasticity and impact resistance.

The invention discloses a preparation method of a plate for a building. The plate for the building is doped with composite minerals. The preparation method of the plate for the building is characterized by comprising the following steps: weighing raw materials, namely cement, the prepared cement composite mineral additive, sand, polypropylene fibers and a naphthalene water reducer, in ratio; and putting the raw materials into a conical double helix stirring machine in the ratio, and uniformly stirring for 50 minutes. The composite-mineral-doped plate for the building has efficient waterproof, dampproof, expansion, crack-proof and impervious functions and also has no rusting effect on reinforcing steel.

The invention discloses a method for preparing mortar. The method is characterized by comprising the following steps: weighing raw materials including 282 g of cement, 18 g of a cement composite additive, 750 g of sand, 4 g of polypropylene fiber and 3 g of a naphthalene water reducer; according to the ratio, putting the above raw materials into a conical double-helix stirrer for uniformly stirring for 50 minutes to obtain the mortar. The mortar has the functions of efficiently preventing water and damp, preventing swelling, resisting cracking and permeating and the like and does not has a corrosive effect on steel bars.

The invention discloses anti-corrosion and waterproof emulsified asphalt which is prepared from the following raw materials in parts by weight: 550 parts of matrix asphalt, 1-30 parts of an emulsifier, 2-50 parts of a modifier, 5-100 parts of a single-component waterborne epoxy emulsion, 0.1-5 parts of a stabilizer and a proper amount of distilled water. The invention provides high-performance emulsified asphalt. A high-performance water-based single-component epoxy emulsion and an imidazole asphalt emulsifier are adopted as raw materials and are matched with auxiliaries (such as a defoaming agent, a thickening agent, a dispersing agent, a stabilizer and the like) to obtain a water-based epoxy asphalt mortar product with efficient corrosion resistance and excellent waterproof and anti-seepage performance. The emulsified asphalt can be widely applied to water prevention and corrosion prevention of sewage pools and pipelines, can replace toxic and harmful products such as epoxy coal pitch and the like, is also widely applied to building waterproof engineering such as water prevention of toilets, roofs and basements, and is matched with hot-melt or self-adhesive asphalt coiled materials to be applied to coating and coiling composite waterproof engineering.

The invention belongs to the technical field of underground construction, and particularly relates to an assembly type waterproof double-layer circle-type non-node underground comprehensive pipe gallery. The assembly type waterproof double-layer circle-type non-node underground comprehensive pipe gallery comprises an arc-shaped pipe gallery wall I, an arc-shaped pipe gallery wall II, an end portion pipe gallery wall, an arc-shaped concrete shell, pipe gallery body connecting ribs, a gallery wall groove, a shell connecting rib, a waterproof rubber cushion layer, a U-type bolt, a high-strength bolt, a reserved bolt hole and a U-type bolt hole. The arc-shaped pipe gallery wall I and the arc-shaped pipe gallery wall II are symmetrically arranged on the upper and lower sides and left and rightsides of the comprehensive pipe gallery correspondingly to form an inner layer pipe gallery wall body which is round. The pipe gallery body connecting ribs on the arc-shaped pipe gallery wall I correspond to the pipe gallery body connecting ribs on the arc-shaped pipe gallery wall II, wherein the pipe gallery body connecting ribs on the arc-shaped pipe gallery wall I are arranged outwards, and thepipe gallery body connecting ribs on the arc-shaped pipe gallery wall II are arranged inwards. The assembly type waterproof double-layer circle-type non-node underground comprehensive pipe gallery has the advantages that waterproof measures are novel and comprehensive, the structure is simple, transportation is convenient to perform, a pipe gallery body is firm, the construction is simple, and the assembly type waterproof double-layer circle-type non-node underground comprehensive pipe gallery is suitable for assembly type development.

An improved composite cement, which is made of the following raw materials in parts by weight: 30-45 parts of ordinary portland cement, 4-8 parts of hydrogen peroxide, 1-1.5 parts of polypropylene fiber, 0.6-0.9 parts of hydrochloric acid, wheat bran 5‑8 parts, cetyl ethoxy sultaine 3‑7 parts, sepiolite 2‑4 parts, river sand 12‑16 parts, styrene-butadiene rubber emulsion 2‑6 parts, tourmaline powder 7‑ 15 parts, 4-6 parts of fly ash, 2-4 parts of glass fiber powder, 1.5-3.2 parts of fluid loss reducer, 0.2-0.4 parts of silane coupling agent, 0.6-2.2 parts of defoamer, 10-16 parts of silicon powder , 8-13 parts of iron oxide, 1-3 parts of diatomaceous earth. The beneficial effects of the invention are: the improved composite cement of the invention has the functions of high-efficiency waterproof, corrosion resistance, crack resistance, etc., increases the strength of the cement, has high bonding strength, long service life and high reliability.

The invention provides composite cover plate glass. The composite cover plate glass comprises cover plate glass and a waterproof layer compounded on the outer side of the cover plate glass, the waterproof layer comprises a waterproof base material layer and a lotus leaf vein-shaped texture layer formed on the surface of the waterproof base material layer; and the waterproof layer is selected from one or more of MgF2, LiF, thorium fluoride (ThF4), Na3AlF6 (cryolite) and ZrF4. According to the invention, a specific kind of waterproof material is prepared into the texture layer with the lotus leaf vein-shaped structure, so that high-efficiency waterproofing can be realized, the stability of the module battery is improved, and the service life is prolonged.

The invention discloses a cooking stove with a waterproof function. The cooking stove comprises a stove body, a combustion cavity, an air supply device, an adjustable pot bottom bearing device, a waterproof collecting tank, a combustion waste collecting device and a sealed waterproof sliding material taking device. The invention belongs to the technical field of cooking stoves, and particularly relates to the cooking stove with the waterproof function. A mode of combining waterproof collection and sealed waterproof material taking is adopted to realize the technical effect of high-efficiency water prevention of the cooking stove, and a mode of diameter-adjustable pot bottom bearing is adopted to realize the technical effect of perfect matching of pots with pot bottoms of different diameters. By means of an external air supply mode, the technical effect that fuel in the combustion cavity is fully combusted is achieved, and the problems that an existing cooking stove in the market is poor in effect, complex in structure and not convenient to maintain are effectively solved.