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120 results about "Rebound effect" patented technology

The rebound effect, or rebound phenomenon, is the emergence or re-emergence of symptoms that were either absent or controlled while taking a medication, but appear when that same medication is discontinued, or reduced in dosage. In the case of re-emergence, the severity of the symptoms is often worse than pretreatment levels.

Solvent-free ultrafine fiber mirror synthetic leather

The invention discloses solvent-free ultrafine fiber mirror synthetic leather. The solvent-free ultrafine fiber mirror synthetic leather comprises an ultrafine fiber Base fabric layer as well as a first sizing agent layer, a second sizing agent layer and a bonding layer which are transferred onto the ultrafine fiber Base fabric layer through mirror release paper, wherein the bonding layer is bonded with the ultrafine fiber Base fabric layer. A preparation method comprises steps as follows: step 1, the mirror release paper is coated with a prepared sizing agent for the first sizing agent layer and the sizing agent is dried; step 2, the first sizing agent layer is coated with a prepared sizing agent for the second sizing agent layer, and the sizing agent is dried; step 3, the second sizing agent layer is coated with a prepared sizing agent for the bonding layer, and the second sizing agent layer is attached to the ultrafine fiber Base fabric layer and dried; step 4, the mirror release paper is removed, and the synthetic leather is obtained. The production process is simple, the production cost is low, and the crease-free and environment-friendly mirror synthetic leather produced with the process and having good rebound effect and physical property can be widely applied to shoe leather, bag leather, decoration and the like.
Owner:张家港嘉泰超纤科技有限公司

Paper sheet type medium stacking device

The invention relates to a sheet type medium treatment technology, in particular to a device through which paper sheet type media are stacked piece by piece and the whole stacked media do not wriggle and draw back. The device comprises a single-piece paper sheet type medium conveying mechanism, an upper portion conveying belt, an arc-shaped stacking plate, a movable stopping mechanism, a sensor device and a control part. An acanthoid protruding rib is arranged at the position on the arc-shaped surface of the arc-shaped stacking plate, between which and the movable stopping mechanism the distance is the length of one piece of paper sheet type medium. The acanthoid protruding rib enables the paper sheet type media to pass only in a discharging direction. Due to the fact that the acanthoid protruding rib is arranged on the working surface of the arc-shaped stacking plate, the acanthoid protruding rib has the single-direction performance of paper sheet type medium conveying, the acanthoid protruding rib is provided with a guide-out surface and a blocking surface, the paper sheet type media can be conveyed along one direction, moving is irreversible, the problem that the paper sheet type media wriggle and draw back because of the rebound effect of the conveying belt is effectively solved, and the expected effect of sheet type medium stacking is achieved.
Owner:GRG BAKING EQUIP CO LTD

Prefabricated coil polyurethane runway surface layer and construction process thereof

The invention discloses a prefabricated coil polyurethane runway surface layer and a construction process thereof and specifically relates to the field of sports materials. The prefabricated coil polyurethane runway surface layer comprises a laid base layer, wherein the top of the laid base layer is provided with a prefabricated laid coil; a polyurethane bonding layer is arranged between the prefabricated laid coil and the laid base layer; a polyurethane reinforcing layer is arranged on the top of the prefabricated laid coil; a spraying surface layer is arranged on the top of the polyurethanereinforcing layer; and the prefabricated laid coil comprises an elastic supporting layer and foaming polyurethane layers. According to the prefabricated coil polyurethane runway surface layer and theconstruction process thereof, disclosed by the invention, by preparing a polyurethane two-component composite material, and preparing water-based polyurethane foaming fluid in a factory to cast the integrated prefabricated laid coil with the elastic supporting layer, the quality of the coil is improved; laying is convenient; the elastic supporting layer is cooperated with the foaming polyurethanelayers to improve the elastic properties; the coil is resistant to deformation; the rebound effect is good; a woven mesh is arranged in the polyurethane reinforcing layer; the runway toughness is improved; the tensile strength is improved; and the impact absorptivity and overall performance of a surface layer structure are improved.
Owner:江苏长诺运动场地新材料有限公司

Air-permeable slow-rebound polyurethane foam plastic, and preparation method and application thereof

ActiveCN110577625AGood slow rebound effectSoft touchEthylene oxideHydroxyl value
The invention relates to an air-permeable slow-rebound polyurethane foam plastic, and a preparation method and an application thereof. The problem of low air permeability of a slow-rebound polyurethane foam plastic in the prior art or the problems low air permeability and poor slow-rebound effect of the slow-rebound polyurethane foam plastic is/are mainly solved. The air-permeable slow-rebound polyurethane foam plastic comprises, by weight, 10-100 parts of a polyether polyol A, 1-50 parts of a polyether polyol B, 1-50 parts of a polyether polyol C, 40-80 parts of isocyanate, 1-5 parts of water, 0.2-0.8 part of an amine catalyst, 0.01-0.4 part of a tin catalyst and 0.5-3 parts of a foam stabilizer, wherein the hydroxyl value of the polyether polyol A is 60-230 mg KOH/g, the unsaturation degree is 0.01-0.2 mmol/g, the functionality is 2-4, and ethylene oxide accounts for 50-80% of the molecular weight of the polyether polyol A; the hydroxyl value of the polyether polyol B is 120-210 mg KOH/g, the unsaturation degree is 0.01-0.2 mmol/g, the functionality is 2-4, and the ethylene oxide accounts for 85-100% of the molecular weight of the polyether polyol B; and the hydroxyl value of thepolyether polyol C is 35-59 mg KOH, the unsaturation degree is 0.01-0.2 mmol/g, and the functionality is 2-4. The preparation method and the application of the product achieves good technical effects, and the preparation method can be used in industrial production of the air-permeable slow-rebound foam plastic.
Owner:JIANGSU CHANGHUA POLYURETHANE SCI & TECH

Sports shoe and sole thereof

ActiveCN104013155AStrong shock absorption buffer effectIncrease frictionSolesCushioningEngineering
The invention discloses a sports shoe and a sole of the sports shoe. A heel outer side region, a heel middle region, a foot arch outer side region, a foot palm region and a first toe region of the bottom face of the sole of the sports shoe are respectively provided with multiple multilayer cushioning rebound columns; a heel inner side region, a foot arch inner side region and a second toe region are respectively provided with multiple monolayer cushioning rebound columns; the cross section of each multilayer cushioning rebound column and the cross section of each monolayer cushioning rebound column are in a regular hexagon shape. The cushioning rebound columns on the sole can generate deformation energy to disperse impact force when pressed and have a great damping and cushioning effect; the multilayer cushioning rebound columns conduct extrusion layer by layer like springs when extruded, so that the rebound effect is better; since the cushioning rebound columns are in the regular hexagon shape, the edges of the cushioning rebound columns can supply friction force in multiple directions; besides, cavities between the cushioning rebound columns can not make the sole generate brake force due to too large friction force exerted on the sole in a certain direction, so that skid resistance is increased, and flexibility is ensured.
Owner:QUANZHOU QUANYONG MACHINERY DEV

Buffer energy-absorbing wall structure for front of highway tunnel

The invention provides a buffer energy-absorbing wall structure in front of a highway tunnel, including a concrete layer, a spring and a lower washer, the surface of the cylindrical conjoined body and the gaps are filled with a concrete layer, and the cylindrical conjoined bodies are arranged horizontally on the wall surface; The bottom of the concrete layer under the cylindrical connecting body is fixedly arranged on the top of the trapezoidal block; the trapezoidal blocks are arranged at intervals and a shock absorbing group is arranged between every two trapezoidal blocks; the shock absorbing group and the bottom of the trapezoidal block are provided with a support plate ; The bottom of the support plate is laid with a pressure dislocation body. The arrangement of the cylindrical connecting body of the present invention, the cylindrical connecting body is connected to each other through the connecting body with a width of 3MM in the middle, so that the structure of the wall surface has strong rigidity while having stronger toughness, and when subjected to external impact, the impact The energy can cause a large deformation and displacement of the cylindrical conjoined body on the wall, but it also reduces the rebound effect of the wall, reducing the damage to the impacting vehicle and the damage to the overall structure of the tunnel.
Owner:邵书微
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