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514results about How to "Improve waterproof performance" patented technology

Environment-friendly mineral wool board with functions of humidity adjustment and air purification and production method thereof

The invention discloses an environment-friendly mineral wool board with functions of humidity adjustment and air purification, which comprises the following components in parts by weight: 100 parts of granulated wool, 5 to 25 parts of attapulgite, 1 to 10 parts of modified starch, 0.1 to 1.0 part of emulsified paraffin, 5 to 20 parts of modified diatomite, 0.5 to 2.0 parts of polyacrylamide and 0.1 to 1.0 part of Al2(SO4)3. The invention also discloses a production method for the environment-friendly mineral wool board with the functions of humidity adjustment and air purification, which comprises the following steps of: weighing all the components according to the proportion; fully mixing the modified diatomite and water, adding the emulsified paraffin, and continuously stirring; fully stirring the mixed material and the remaining ingredients in a stirrer with water, and then performing beat-molding by a wet method; and performing drying and surface finish machining to obtain a finished product. According to the functional mineral wool board, the modified diatomite can effectively adsorb the emulsified paraffin so that the mineral wool board has enhanced waterproof performance and better functions of degrading harmful substances and adjusting humidity.
Owner:BEIJING NEW BUILDING MATERIAL

Method for producing foamed ceramic building insulation material by using lithium tailings and steel slag tailings

The invention discloses a method for producing a foamed ceramic building insulation material by using lithium tailings and steel slag tailings. The method comprises the following steps: preparing thelithium tailings, the steel slag tailings, a clay raw material, a foaming material A and water according to a certain ratio, mixing, grinding, then sieving, removing iron, putting into a mud pit, performing pressure filtration to obtain a mud cake, then refining mud, adding a foaming material B, namley polystyrene particles, in the mud refining process, performing extrusion moulding on a mud section extruded in the mud refining process to obtain a foamed ceramic wet blank, sending the wet blank into a tunnel kiln for drying, and then firing in an energy-saving double-layer tunnel kiln at hightemperature of 1100-1200 DEG C according to a certain firing system to obtain a blank brick, and processing and cutting to obtain a finished product. The preparation method is simple; the prepared foamed ceramic is good in regularity, high in strength, anti-aging, fire-proof, flame-retardant (A1 grade), water-proof, excellent in insulation performance, eco-friendly (non-toxic, harmless and radiation-free) and convenient and efficient to construct, can be used as a building exterior wall insulation material and a chimney flue corrosion preventing material, and can also be used as a fabricated partition wall material and a self-insulating wall material.
Owner:唐山庄信科技有限公司

Intelligent wearing equipment interface switching control method based on infrared induction

The invention relates to an intelligent wearing equipment interface switching control method based on infrared induction, relates to the technical field of intelligent wearing equipment and provides a method for judging a gesture action direction through a time sequence of the occurrence of infrared reflection signals. Three infrared light emitting diodes, an infrared sensor and a core processor are arranged in the intelligent wearing equipment; the positions of the three infrared light emitting diodes form a triangle; infrared signals are emitted by the three infrared light emitting diodes; when a gesture action for controlling interface switching occurs, three paths of the infrared reflection signals are detected by the infrared sensor; a gesture target action direction is judged by the core processor according to wave peak movements of the three paths of the infrared reflection signals, so that the switching of a display interface is controlled. A hole for mounting a key does not need to be formed in the surface of the equipment so that the waterproof performance of the equipment is enhanced; a touch screen for navigating a user interface does not need to be added on the surface of the equipment so that the wrong triggering possibility is reduced; the triggering of the infrared induction is more sensitive and the operation is more convenient.
Owner:上海翰临电子科技有限公司
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