39results about How to "Wide range of market applications" patented technology

The invention relates to an articulated fitting for seating furniture comprising a support element, which can be folded by means of a folding joint from an initial position that is laterally arranged relative to the seat into an end position in front of the seat as a leg support, wherein the surface of the support element that is the upper or lateral surface in the initial position is the lower surface of the support element in the final position. Said fitting comprises a shifting device, by means of which the final position of the support element can be shifted in front of the seat or the seating furniture frame beyond the position determined by the folding joint.

The invention discloses an ultraviolet curable coating for low energy curing and a preparation method of the ultraviolet curable coating. The ultraviolet curable coating consists of the following raw materials in percentage by weight: 25-30% of modified polyfunctionality polyester acrylic ester, 10-15% of modified epoxy acrylate, 20-25% of modified pentaerythritol acrylic ester, 15-20% of TPGDA, 0.3-1.0% of a wetting dispersant, 10-15% of transparent talcum powder, 2-4% of a photoinitiator 1, 1-3% of a photoinitiator 2, 2-4% of a photoinitiator 3 and 0.3-0.5% of a leveling agent. The preparation method comprises the following steps: mixing the modified polyfunctionality polyester acrylic ester, modified epoxy acrylate, modified pentaerythritol acrylic ester and TPGDA, stirring to disperse, further adding the photoinitiators 1, 2 and 3 and the wetting dispersant, feeding the transparent talcum powder, and dispersing, thereby obtaining a product coating. An expected curing degree can be achieved for the ultraviolet curable coating disclosed by the invention by virtue of 40-80mj / m<2> of ultraviolet energy, so that the energy for curing a coating is greatly reduced, the construction efficiency can be improved, and the probability of quality defects on the backlight side of an irregular workpiece can be reduced.

The invention discloses an LED-UV ultraviolet light curing wood nano-coating and a preparation method thereof, which is composed of the following raw materials in weight percent: 25-30% of polyurethane acrylate crosslinked with pentaerythritol triacrylate and polyisocyanate, Fatty acid modified polyester acrylate resin 10‑15%, ethoxylated modified trimethylolpropane triacrylate 20‑25%, dipropylene glycol diacrylate 10‑20%, wetting and dispersing agent 0.2-1.0%, nano-barium sulfate powder is 10-15%, UV UV curable monomer dispersion of nano wear-resistant particles is 2-5%, hydrogen abstraction type photoinitiator is 2-4%, active amine is 1‑3%, cracking photoinitiator is 2‑4%, leveling agent is 0.2‑0.5%, defoamer is 0.2‑0.5%, and polymerization inhibitor is 0.1‑0.3%. The UV-curable coating of the present invention only needs 50-60mj / cm2 of LED-UV ultraviolet light energy to reach the required curing degree, which greatly reduces the energy required for coating curing, improves construction efficiency, and reduces wood surface coating. The possibility of quality defects in fabric construction.

The invention relates to a recycling and clean production method for preparing yellow phosphorus, sylvite, aluminum oxide, molecular sieves, slag cement and architectural profiles through potassium-bearing phosphorite. The method utilizes two routes, for the first route, high quality yellow phosphorus is produced by the potassium-bearing phosphorite and coke nuts through an electrothermal method, water quenching is conducted on yellow phosphorus slags, KAlO2 is dissolved out, filtration is conducted, CO2 is introduced, Al(OH)3 is settled, first filtrate is obtained, and the Al(OH)3 is converted through temperature control to obtain Al2O3. For the second route, orthoclase power and Na2CO3 are evenly mixed, roasting is conducted through yellow phosphorus tail gas, water leaching is conducted through water, the CO2 is introduced to settle out silicon-aluminum colloid, and second filtrate is obtained. Crystallization and drying are conducted on the first filtrate and the second filtrate, and K2CO3 and Na2CO3 are obtained. The Na2CO3 returns to the second route to be recycled. The content of K2O, Na2O, SiO2 and Al2O3 is adjusted for partial silicon-aluminum colloid which is not subjected to sedimentation and the filtrate, hydrothermal crystallization reaction is conducted, and the molecular sieves are obtained; settled silicon-aluminum colloid is mixed with the yellow phosphorus slags to prepare the slag cement and / or the architectural profiles.

The invention relates to an energy-saving method for preparing yellow phosphorus, sylvite, sodium carbonate and aluminum oxide through potassium-bearing phosphorite. The method comprises the steps that the potassium-bearing phosphorite and coke nuts are added into a yellow phosphorus electric furnace to be reacted to obtain furnace gas containing P2; washing is conducted on the furnace gas, crude phosphorous is collected, refining is conducted, and high quality yellow phosphorus is obtained; water quenching is conducted on yellow phosphorus slags, the slags are removed, KAlO2 is dissolved out, filtration is conducted, Al(OH)3 is settled after CO2 is added, and water quench filtrate is obtained. The Al(OH)3 is converted through temperature control to obtain Al2O3, crystal separation and drying are conducted on the water quench filtrate, and K2CO3 and Na2CO3 are obtained. According to the energy-saving method for preparing the yellow phosphorus, the sylvite, the sodium carbonate and the aluminum oxide through the potassium-bearing phosphorite, series of problems that for a traditional electrothermal method that the potassium-bearing phosphorite is used for producing the yellow phosphorus through the yellow phosphorus electric furnace, the reaction is complex, the efficiency is low, furnace ore is unstable, and the benefit is poor are solved; compared with preparing K2CO3 through a traditional orthoclase sintering method, a high-temperature melting method, a hydrothermal method, a blast furnace smelting method and a low-temperature decomposition method, the energy consumption, material consumption and production cost can be greatly reduced, product profit margins are improved, and meanwhile environmental pollution is reduced.

The invention relates to a water-soluble alginate antibacterial fiber and a preparation method thereof. The preparation method comprises: weighing a water-soluble polymer and dissolving the water-soluble polymer in distilled water, and then adding nano-silver-loaded zirconium phosphate and / or nano-zinc oxide, and carrying out uniform ultrasonic dispersion; weighing sodium alginate and dissolving sodium alginate in the mixed liquor, stirring and heating to obtain a spinning solution; defoaming the spinning solution, metering and ejecting from a spinneret plate into a coagulating bath by a metering pump; preparing a sodium ethylene diamine tetracetate solution; squeezing fiber to remove water, and immersing in the sodium ethylene diamine tetracetate aqueous solution; adding sodium carbonateand sodium bicarbonate and fully mixing, and continuously immersing; preparing a chitosan solution; squeezing fiber to remove water, and immersing in the chitosan solution; squeezing fiber to remove water, drying, and winding. The invention has the advantages as follows: the product is soluble in water; active ingredients are easy to absorb, and the antibacterial effect is good; the disadvantage that traditional water-soluble fiber has low strength and is easy to fracture is dissolved; and the product has a wide application prospect.

The present invention relates to an energy-saving method for co-producing a potassium salt, sodium carbonate and alumina by yellow phosphorus. The method comprises: using potassium feldspar to replace silica, adding the potassium feldspar into a yellow phosphorus electric furnace together with phosphate ores and coke nuts, and carrying out reaction to obtain furnace gas containing P2; performing water washing on the furnace gas, then collecting crude phosphorous and refining the crude phosphorous to obtain the yellow phosphorus with a good quality; water-quenching yellow phosphorus slag, then removing the slag and stripping KAlO2, then carrying out filtration, adding CO2, precipitating Al(OH)3 and obtaining a water quenched filtrate, wherein the Al(OH)3 is subjected to a temperature controlled conversion to obtain Al2O3; and the water quenched filtrate is subjected to crystallization separation and drying, and therefore K2CO3 and Na2CO3 are obtained. According to the method provided by the present invention, a yellow phosphorus producing apparatus is modified to an integrated system for producing the yellow phosphorus and thermally decomposing the potassium feldspar by an electrothermal method; and the apparatus is generally applicable for upgrading transformation of the yellow phosphorus electric furnace with a traditional electrothermal method; and therefore production energy consumption and production costs are greatly reduced; product categories and an added value are increased; environmental pollution is reduced; and the apparatus is provided with an outstanding economic benefit and an environmental protection effect.