50results about How to "Reduced heat absorption capacity" patented technology

An improved cold/compress therapy for the treatment of muscle, tissue, tendon, or cartilage injury or damage. The ICE Power Pack consists of a plurality of hollow vessels filled with water or aqueous solutions or colloids that can be solidified in a conventional domestic or commercial freezer. The encapsulated water or aqueous solutions or colloids rely on the high latent heat of fusion as they undergo a phase change providing an extended therapeutic period in a medically safe temperature zone. The vessels are sandwiched between flexible insulating and non-insulating layers that serve as compresses.

The invention discloses a highly-weather-resistant type ASA (acrylonitrile Styrene acrylate copolymer)-based color co-extrusion material with low heat absorption effect and a preparation method thereof. The highly-weather-resistant type ASA-based color co-extrusion material is characterized by comprising the following components in parts by weight: 85-94 parts of ASA, 1-4 parts of a light stabilizer, 1-2 parts of an ultraviolet absorber, 1-3 parts of an antioxidant and 2-6 parts of pigments. The preparation method of the highly-weather-resistant type ASA-based color co-extrusion material comprises the following steps: (1) weighing base stock, the light stabilizer, the ultraviolet absorber, the antioxidant and the pigments in proportion; (2) firstly adding the light stabilizer, the ultraviolet absorber, the antioxidant and the pigments to uniformly mix, and then adding the base stock to uniformly mix; and (3) extruding and pelletizing the uniformly-mixed materials to prepare the highly-weather-resistant type ASA-based color co-extrusion material with low heat absorption effect. Compared with the prior art, the highly-weather-resistant type ASA-based color co-extrusion material has low heat absorption and more superior weather resistance.

The invention relates to a sun-reflection heat-insulation paint and a manufacturing method thereof. The invention aims to provide a paint with favorable heat-insulation property. The technical scheme is as follows: the sun-reflection heat-insulation paint comprises a water-based resin, assistants, titanium white, heat-insulation powder and a far-infrared powder composite pigment, wherein the water-based resin is a pure acrylic emulsion or fluorocarbon resin emulsion or silicone acrylate resin emulsion; and the assistants comprise a preservative, a bactericide, a dispersing agent, a leveling agent, a defoaming agent, a film formation assistant, a thickener and an antifreezing agent. The manufacturing method comprises the following steps: (a) proportionally and uniformly mixing porous mineral particles, silane coupling agent, dispersing agent, deionized water and anhydrous ethanol; (b) proportionally and uniformly mixing far-infrared powder, anti-phase-separating agent, water and anhydrous ethanol; (c) proportionally and uniformly mixing the liquids formed in the steps (a) and (b), and aging to obtain a gel; and (d) drying and holding the gel to obtain the composite powder.

A vitrified superabrasive grain grinding stone includes superabrasive grains including a CBN abrasive grain as a main abrasive grain and a diamond abrasive grain as an auxiliary abrasive grain bonded together by use of a vitrified bond. The auxiliary abrasive grain has an average grain diameter equal to ½ to 1/10 of that of the main abrasive grain, and the auxiliary abrasive grain has a toughness value of 0.4 to 1 when that of the main abrasive grain is given as 1.

The invention provides a preparation method of a cool and sunlight-reflective waterproof coating for a roof and an outer wall and relates to a preparation method of waterproof coatings. The preparation method aims to solve the problems that the roof and the outer wall of an existing building are exposed to intense solar radiation, the surface and indoor temperature is raised sharply, accordingly the surrounding environmental temperature is raised, living environment comfort is lowered, power consumption for air conditioning refrigeration is increased, meanwhile, original waterproof materials on the roof and the outer wall are accelerated in corrosion and aging, original mechanical and chemical performance of the waterproof materials cannot be maintained, failure of efficacy is accelerated, and thus the roof and the outer wall leak. The preparation method includes the steps of 1, weighing raw materials; 2, preparing slurry; 3, preparing the waterproof coating. The prepared waterproof coating is free of formaldehyde and extra low in volatile organic compound, VOC is less than 50 g/L, the indoor coating use standard is reached, and the coating is an energy-saving and environmentally-friendly coating and used for industrial production.

The invention provides ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating and a preparation method thereof and relates to a waterproof and heat insulation coating and a preparation method thereof. The ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating is prepared from water, hollow ceramic microspheres, titaniumwhite powder, a dispersant, ultraviolet crosslinking acrylic emulsion, silicon resin, a film forming auxiliary agent, a mildew-proof auxiliary agent, a de-foaming agent, a pH (Potential of Hydrogen) regulator and a rheological modifier premix. The method comprises the following steps: adding raw materials into a reaction kettle and stirring the raw materials while adding to obtain a mixture; regulating the pH value and adding the rheological modifier premix; mixing a liquid phase at a low speed; decompressing and distilling to remove water, so as to obtain the coating. According to the ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating provided by the invention, the coverage capability of the coating is greatly improved so that the minimum thickness for covering a substrate is reduced and reaches 0.5 to 0.8mm. The sunlight reflection ratio of the coating can reach 0.92 under the thickness. The preparation method is used for preparing the high-performance waterproof and heat insulation coating.

An apparatus for cooling media sheets in a printer includes a number of cooling units, a conveyor having a first conveyor path adapted to feed the media sheets successively through the cooling units, and a switch adapted to deflect selected ones of the media sheets into a second conveyor path. The switch is disposed upstream of a last one of the cooling units and downstream of a first one of the cooling units. The second conveyor path bypasses the last one of the cooling units. The conveyor includes a decelerating mechanism configured to decelerate the sheets in the first conveyor path between the first one of the cooling units and the last one of the cooling units.

The invention discloses a solar water desalination device. The device comprises a first water supply device, an evaporation pipeline, a solar light condensation device and a distilled water storage device. An inclined top plate, a to-be-treated water conveying tank and a distilled water collecting tank are arranged in the evaporation pipeline, and the distilled water collecting tank is arranged below the lower end of the inclined top plate and used for collecting distilled water flowing down from the inclined top plate and conveying the distilled water into the distilled water storage device;the to-be-treated water conveying tank is located outside the distilled water collecting tank; a water inlet in one end is connected with the first water supply device, and a discharge outlet in the other end is used for discharging to-be-treated water; the solar light condensation device comprises a condenser lens and an automatic light following system. Visibly, the solar water desalination device collects solar energy in a light condensation mode, the solar energy is used as a heat source, fresh water is produced through the distillation principle, and therefore efficient utilization of thesolar energy and water resources can be achieved, and fossil energy consumption is completely avoided in the working process.

The invention provides a piece of environment-friendly sportswear with high moisture absorption and sweat releasing properties. The environment-friendly sportswear comprises a clothing cap and a clothing body, wherein the clothing body comprises a lining layer, a plurality of isolation columns are arranged on the surface of the lining layer, and an exhausting channel is formed in the middle of each isolation column; the lining layer comprises a surface layer, a sandwich layer and a reflecting thermal insulation layer; a middle layer is arranged on the upper side of the lining layer, an antibacterial layer is arranged on the upper side of the middle layer, and a moisture absorption and sweat releasing layer is arranged on the upper side of the antibacterial layer and comprises a thin film layer, a photosensitive discoloration layer and a thin base cloth layer; an outer layer is arranged on the upper side of the moisture absorption and sweat releasing layer. The environment-friendly sportswear has beneficial effects that the isolation columns are arranged and directly contacted with the body, so that fabric cannot be directly contacted with skin, certain space is reserved between theskin and the fabric, and dissipation of heat of the body is facilitated; by means of the exhausting channels formed in the isolation columns, heat and sweat can be discharged through the exhausting channels; the environment-friendly sportswear is cool, breathable and comfortable when worn by a person, and has certain popularization and application value.

The invention discloses a fin type phase change heat dissipation device which comprises a hollow heat dissipation box body, a foam metal-phase change material complex is arranged in the heat dissipation box body, and a fin type heat sink is arranged on the bottom surface of the foam metal-phase change material complex. Fins of the fin type heat sink are inserted into the foam metal-phase change material complex, an air inlet grid is arranged on the side wall of the heat dissipation box body and is located above the foam metal-phase change material complex, an exhaust fan is arranged on the side wall, opposite to the air inlet grid, of the heat dissipation box body, and the heat dissipation box body is provided with a top cover. The fin type heat sink is beneficial to the rapid conduction of heat of a heat source into a phase change material, so that the heat source is effectively cooled. After the phase-change material is subjected to complete phase change, the heat absorption capacityis greatly reduced, and the heat of the heat source cannot be dissipated, so that the heat stored in the phase-change material needs to be dissipated in time, and the forced convection caused by theexhaust fan can dissipate the heat from the phase-change material rapidly.

The invention discloses a paint, which is made of the following materials in parts by weight: 100-200 parts of acrylic modified resin latex, 10-15 parts of low-molecular-weight polyethylene, 10-20 parts of high-molecular-weight polyethylene, nanoelectric 10-30 parts of stone powder, 10-20 parts of nanometer far-infrared ceramic powder, 100-200 parts of pigment, 30-40 parts of dipropylene glycol methyl ether acetate, 10-20 parts of additives; among them, the solid content of acrylic modified resin latex It is 80-90%, adding a small amount of low-molecular-weight polyethylene and high-molecular-weight polyethylene to the coating of the present invention can combine with each other to improve the cold resistance of the coating, without cracking, impact resistance, and can reduce the heat absorption of the coating.

The invention discloses an inflating and igniting integrated initiator and a cracking device. The initiator comprises a housing, a filling cavity located in the housing and an inflating and igniting head connected at one end of the housing. Supercritical oxygen and a carbon-containing organic matter or a reductive elementary substance fill the filling cavity. The inflating and igniting head comprises a plugging base body, an inflating hole, a sealed ball valve, a conductive joint and a sealed locking screw. The inflating hole penetrates through the plugging base body from top to bottom, a sealed shrunk port is formed in the lower portion of the inflating hole, the sealed ball valve is mounted above the sealed shrunk port, the conductive joint penetrates through the sealed ball valve and is fixedly locked on the sealed ball valve, the lower spherical surface of the sealed ball valve is a non-smooth surface, an internal thread is arranged in the upper port of the inflating hole, the internal thread is in threaded connection to the sealed locking screw, a joint window for penetrating through the conductive joint is formed in the middle portion of the sealed locking screw, and the conductive joint is connected to an electric heating wire through a wire. The initiator disclosed by the invention has the advantages of being simple in filing process, good in safety, high in material mixing uniformity, low in manufacturing cost of inflating and igniting structure and good in sealing property.

The invention relates to an intelligent temperature control ventilation animal husbandry greenhouse which comprises a greenhouse body. A ventilation shaft is arranged on a roof of the greenhouse body,a regulating device is installed at the top of the ventilation shaft, and the regulating device comprises a base plate fixedly connected with the ventilation shaft, a regulating plate is arranged inparallel above the base plate, and a heat absorption layer is arranged on the regulating plate; the regulating plate and the base plate are supported by two parallel sealing plates, the lower surfaceof the regulating plate is provided with a sliding groove matched with the sealing plates, and the upper end face of each sealing plate is slidably disposed in the sliding groove; and a regulating motor is also assembled between the regulating plate and the base plate. The animal husbandry greenhouse is novel in structure and unique in principle, the air circulation in the greenhouse can be enhanced under the premise of ensuring the proper temperature in the greenhouse, the air quality in the greenhouse can be effectively improved, the growth of bacteria can be reduced, and the incidence of animals and plants can be reduced.

The invention provides high-tensile-strength energy-saving waterproof paint and a preparation method thereof, and belongs to the field of paint. A coating cracking phenomenon is generated on all existing buildings after the buildings are used for a long time. The energy-saving waterproof roof paint with a fireproof function is prepared from, by weight, 15-18 parts of solvent deionized water, 0.7-1 part of a dispersing agent, 0.3-0.8 part of a defoaming agent A, 17-22 parts of filler, 20-25 parts of nanopowder, 1-3 parts of ceramic fiber powder, 25-30 parts of acrylic emulsion, 0.3-0.8 part of a defoaming agent B, 0.2-0.4 part of texanol, 0.2-0.4 part of a mouldproof auxiliary, 0.2-0.4 part of DMAE, 0.1-0.3 part of a thickener premixed material and 1-1.5 parts of a liquid thickening agent. According to the high-tensile-strength energy-saving waterproof paint, by adding the ceramic fiber powder, the tensile strength of a paint film is enhanced and can reach 5.07 MPa, and the zero-formaldehyde and true energy-saving environment-friendly paint is obtained.

The invention discloses a process for producing nodular cast iron camshafts by means of iron-mold clamped sand molds. A specialized iron mold for gray cast iron casting is adopted, and a specialized casting frame is manufactured, the specialized iron mold is placed on the specialized casting frame, and a double-side horizontal sand ejecting molding machine is used for producing coated sand molds;a ceramic filter sheet and a glass fiber filter screen are placed in each sand mold, and the left sand mold and the right sand mold are bonded into a complete sand mold; the sand molds are placed in the middle of the iron mold one by one, and the sand molds are accurately embedded into a cavity of the iron mold; and iron water subjected to the spheroidization treatment is poured according to eachsand mold, and then castings are separated. By adopting the process, the production efficiency is greatly improved, the process yield is greatly increased, and the process cost is reduced; the defectrates of product size, shrinkage porosity, bending, shrinkage holes, slag inclusion, air holes, sand holes, cold shuts, mismatches and box expansion are eliminated, the disqualification of the metallographic structure is avoided, and the disqualification of mechanical performance is avoided; and the energy conservation and emission reduction are realized, and the production cost is reduced.

The invention discloses a small water softening device for a solar water heater. The small water softening device comprises a box, wherein the box is fixedly mounted on the wall and is formed by a resin box which is located on one side in the box and fixedly connected with the box and a salt box which is located on one side of the resin box and fixedly connected with the box, a controller is arranged on the side surface of the box, a signal input end of the controller is electrically connected with an infrared distancer, and a power output end of the controller is electrically connected with asalt suction valve and a water suction pump. The small water softening device has the beneficial effects of simple structure and high practicability.

The present invention provides holmium laser lithotripsy protection liquid for protecting kidney tissues, and belongs to the technical field of in-vivo laser lithotripsy protection. The holmium laserlithotripsy protection liquid comprises the following components in a mass volume ratio: 0.2-0.15% of oleanolic acid, 0.05-0.3% of chitosan, 0.9% of sodium chloride and 1-5% of an iron sucrose injection. The holmium laser lithotripsy protection liquid is non-toxic and harmless, has extremely small side effects on human body, is not suitable for only a small part of special crowds, and has a wide application range. A preparation method is simple, a ratio is easy to master, and the holmium laser lithotripsy protection liquid can greatly reduce kidney injury of patients with kidney stones after use. The holmium laser lithotripsy protection liquid has very strong practicability.