34results about How to "Various molding methods" patented technology

The invention discloses a building sound insulation material and a preparation method thereof, the building sound insulation material comprises the following components by weight: 66-72 parts of polyethylene, 8-12 parts of organic fiber, 5-12 parts of coal gangue powder, 5-12 parts of fly ash, 8-10 parts of poly trimethylene carbonate, 5-8 parts of montmorillonite and 0.05-1 part of sodium humate. The invention also provides the preparation method of the building sound insulation material, and the method comprises the following steps: (1) weighing 66-72 parts by weight of polyethylene, 8-12 parts by weight of organic fiber, 5-12 parts by weight of coal gangue powder, 5-12 parts by weight of fly ash, 8-10 parts by weight of poly trimethylene carbonate, and 5-8 parts by weight of montmorillonite; (2) putting the component into a high pressure homogenizer, stirring for 30min at 65-70 DEG C under 21.5-22MPa; and (3) sequentially adding the 0.05-1 part of sodium humate, stirring evenly, and firing 2-3 hours at 780-850 Deg C to obtain the building sound insulation material.

The invention provides a silicate-based microporous drug-delivery atomizing core and a preparation method for a heating assembly of the atomizing core, and belongs to the field of microporous inorganic composite materials. A mixture of a silicate-based clinker, a pore-forming agent and water is used as a base material for preparing the drug-delivery atomizing core, firearmor and other alloy materials are used as the resistance heating assembly, and the silicate-based microporous drug-delivery atomizing core and preparation of the heating assembly of the atomizing core can be implemented by using various forming technologies. The microporous silicate base material is used as an atomizing core base body, the high-temperature material sintering process after green body formation can be omitted, the problem can be avoided that the heating assembly is oxidated, embrittled and the like in the high-temperature sintering process, the production cost is greatly saved, and the preparation technology of the atomizing core is simplified. The atomizing core produced by using the method has the advantages of being precise in size, high in formation speed and the like.

The present invention relates to containing NaNbO 3 Phase Na 2 O‑K 2 O‑Nb 2 o 5 ‑SiO2 2 Low dielectric loss energy storage glass-ceramic material, the glass-ceramic material is obtained by mixing glass phase and crystal phase, melting, cooling forming, annealing and crystallization heat treatment; wherein, the glass phase accounts for 20% by mole percentage %, the balance is the crystalline phase; the crystalline phase is obtained by molar ratio of x :(1- x ): 1 Na 2 CO 3 、K 2 CO 3 , Nb 2 o 5 Obtained by heating and melting, 0.7≤x≤1. The potassium sodium niobate base energy storage glass-ceramic material that the present invention makes is low in dielectric loss; The Na that the present invention adds 2 CO 3 , not only adjusts the crystal phase composition of the potassium sodium niobate system, but also promotes the crystallization process to a certain extent, forming NaNbO which is conducive to high energy storage density 3 Phase, finally get high energy storage density glass-ceramic material.

The invention relates to a K2O-Na2O-Nb2O5-SiO2-B2O3 system glass ceramic material used for energy storage, and a preparation method thereof. The method comprises the following steps: mixing K2CO3, Na2CO3, Nb2O5, SiO2, H3BO3 and BaF2 according to a molar ratio of 15:15:30:4.2:(2-5), fusing, molding, annealing, and crystallizing to prepare the material. Alkali metal oxides in raw materials exist in the glass system as a network modifier to destroy the network structure of glass, so the formula of the glass is simplified, the cost is reduced, and the quantity of kinds of precipitated impure phases is fundamentally reduced; a fusion technology is adopted, so the raw materials highly and uniformly react, and the experiment operation is simple; annealing can effectively eliminate internal stress; and segment heat insulation is adopted in the crystallization treatment process, so a crystal phase completely grows, crystal precipitation is thorough, and obtaining of glass ceramic with fine internal crystal grins, high homogenization degree and high energy storage density is facilitated.

The invention discloses a porous titanium-based drug delivery and atomization core and a preparation method of a heating assembly for atomization, and belongs to the field of porous composite metal materials. Porous titanium and a titanium alloy are used as a base material of the drug delivery and atomization core, nickel chromium and other alloy materials are used as a heating resistor layer, andthe novel porous titanium-based drug delivery and atomization core and the heating assembly for atomization are prepared through various molding technologies. According to the preparation method, bio-friendly material titanium is used as a matrix raw material, and alloy materials such as nickel chromium are used as the heating resistor layer, so that the heating assembly has the advantages of safety, no toxicity, pore controllability, oxidation resistance, corrosion resistance, good chemical stability, easiness in sintering and the like; and the heating resistor layer is tightly combined witha matrix, so that the problem that a combination of a ceramic porous matrix and the heating resistor layer is easy to fall off is solved. The drug delivery and atomization core prepared by the preparation method and an atomizer assembled by the heating assembly for atomization show good atomization performance, and the atomization airflow is uniform and stable, thus the preparation technology ofthe drug delivery and atomization core is improved and simplified and the machining cost is reduced.

The invention relates to a KNN-based (sodium potassium niobate-based) energy storage microcrystalline glass material with ultralow dielectric loss and a preparation method. The microcrystalline glass material is prepared from a glass phase and a crystal phase through mixing, fusing, cooling and molding, annealing, carrying out crystallization heat treatment, wherein according to mol percent, the glass phase accounts for 20 percent to 50 percent and the balance is the crystal phase; the crystal phase is composed of K2CO3, Na2CO3, Nb2O5 and BaCO3 at a mol ratio of (3-x) to (3-x) to 6 to 2x and x is more than 0 and less than or equal to 2.5. The KNN-based energy storage microcrystalline glass material prepared by the preparation method has extremely low dielectric loss; BaO is introduced, has the effect of adjusting the composition of the crystal phase of a sodium potassium niobate system and also has a certain promotion effect on a devitrification process and devitrification is accelerated by rare-earth metal ions; the BaO can also generate a pinning effect, and adverse impacts, caused by interface polarization, on breakdown and worsening are weakened; finally, the microcrystalline glass material with a high dielectric constant is obtained.

The invention discloses a profile-matched bonding glass fiber reinforced plastic transmission shaft and its production technology. The profile-matched bonding glass fiber reinforced plastic transmission shaft comprises a metal flange and a glass fiber reinforced plastic intermedium tube, which are adhered together. The metal flange and the glass fiber reinforced plastic intermedium tube have a bonding matching surface. The metal flange and the glass fiber reinforced plastic intermedium tube both have a polygonoun and arc transition matching profile. The bonding matching surface of the metal flange and the glass fiber reinforced plastic intermedium tube is a polygonoun and arc transition bonding structure. Through the profile-matched bonding surface, torsional rigidity for self-locking between the matched profile will be greatly increased; bonding strength reliability is greatly raised; and by the adoption of the conical surface matched bonding surface, during the bonding process, matching between the metal flange and the glass fiber reinforced plastic intermedium tube has a self-centering effect, bonding operation difficulty can be reduced, and bonding manufacturability is raised.

The invention discloses a skin-core structural fiber with both infrared and radar stealth and its preparation method and application. The skin-core structural fiber comprises the following raw materials in parts by weight: 1-5 parts of paraffin, 1-5 parts of electromagnetic wave absorber , 1 to 5 parts of high molecular polymer, polyacrylonitrile, N,N-dimethylacetamide, wherein the electromagnetic wave absorber is ferric oxide intercalated graphene oxide, nano ferric oxide, carbon black one or more of them. The invention uses the skin-core spinning technology to prepare the phase change material and the electromagnetic wave absorbing material into a fiber material with a skin-core structure, which solves the disadvantage that the stealth material only has a single infrared stealth or radar stealth, and at the same time, the fiber material has various molding methods and is easy to use .

The invention relates to a preparation method of a self-heating porous titanium-based drug delivery atomizing core which is easy to assemble, and belongs to the field of porous functional materials. The present invention adopts a slot-type structure to realize the assembly of the porous titanium-based drug atomization core, and increases the resistivity of the porous titanium-based drug atomizer core by adding alloy elements to realize self-heating of the drug atomizer core. Molding and gel injection molding techniques are used to manufacture self-heating porous titanium-based drug delivery atomizer cores. In the present invention, aiming at the problem of difficult assembly of traditional atomizing cores, it is proposed to use a slotted structure to realize the assembly of porous titanium-based drug atomizing cores, which saves the use of traditional heating resistance layer materials and avoids the high temperature sintering process of resistance wires. Oxidation, brittleness and other problems occur in the drug delivery atomization core; in order to realize the self-heating of the drug delivery atomization core, the resistivity of the porous titanium-based drug delivery atomization core is improved by adding alloy elements, and the functions of drug storage and heating drug oil are integrated, which is convenient for installation , greatly reduce the cost of manual assembly, facilitate the realization of automated production lines, and have the advantages of high applicability.