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33 results about "Aluminum lactate" patented technology

Aluminum lactate is a white powder salt made from lactic acid and aluminum. Aluminum ions are astringent (convergent) with skin and mucous membranes. Due to this characteristic, aluminum lactate is used as material for toothpaste.

Cement-free aluminum-magnesium castable for rapidly baking ladle

InactiveCN102452836AExtended service lifeOvercoming the inadequacy of not being able to achieve fast bakingCooking & bakingSilicon dioxide
The invention discloses a cement-free aluminum-magnesium castable for rapidly baking a ladle. The castable consists of the following components in percentage by mass: 45-75 percent of corundum (granularity of 25-0.074 millimeters), 15-35 percent of fine alumina powder, 3-7 percent of magnesia powder of which the magnesite content is over 96 percent, 0.5-1.5 percent of alkaline aluminum lactate powder, 0.02-0.06 percent of metal aluminum powder, 0.1-0.3 percent of polypropylene fibers of which the melting point is lower than 200 DEG C, 0.5-1.5 percent of micro silicon dioxide powder, 0.1-0.3 percent of a water reducing agent, 5-35 percent of aluminum-magnesium spinel (granularity of 25-0.074 millimeters) and 0.5-3 percent of hydrated alumina powder. The castable disclosed by the invention has the advantages of difficulty in cracking during quick baking, superior molten steel erosion, residue erosion resistance and residue permeation resistance; and the castable does not pollute molten steel when taken as a refractory material of an inner lining of a container for accommodating the molten steel during smelting of pure steel, and has relatively long service life.
Owner:BAOSHAN IRON & STEEL CO LTD

Ramming mass for medium-frequency induction furnace and preparing method thereof

The invention relates to ramming mass for a medium-frequency induction furnace and a preparing method thereof. According to the technical scheme, 58-74 wt% of fused corundum, 6-18 wt% of tabular corundum, 8-16 wt% of fused magnesite, 2-9 wt% of alpha-Al2O3 micro powder, 1-3 wt% of aluminum lactate and 1-6 wt% of magnesium lactate are used as raw materials and mixed uniformly to obtain the ramming mass for the medium-frequency induction furnace, wherein the particle size of aluminum lactate and magnesium lactate is smaller than 0.18 mm, the particle size of fused corundum is 0.088-5 mm, and the content of Al2O3 of the fused corundum is 94-99.5 wt%; the particle size of tabular corundum is 0.044-1 mm, the particle size of the fused magnesite is 0.044-1 mm, and the content of MgO of fused magnesite is larger than or equal to 95 wt%; the raw materials are mixed in a mixer for 10-25 min. The preparing method has the advantages of being simple in process and environmentally friendly. The prepared ramming mass for the medium-frequency induction furnace is high in refractoriness, erosion resistance and scouring resistance and long in service life.
Owner:LENGSHUIJIANG HUAKE PERFORMANCE MATERIALS

Tundish working lining for clean steel smelting and preparation method thereof

The invention relates to a tundish working lining for clean steel smelting and a preparation method thereof. The technical scheme is as follows: the preparation method comprises the following steps: mixing 43-49 wt% of magnesite particle with particle size of 11-0.2 mm, 32-39 wt% of magnesite fine powder with particle size of 1-200 mu m, 8-22 wt% of magnesium-aluminum sol and 2-5 wt% of mixture, uniformly stirring, and coating or casting to form. The mixture is prepared by mixing aluminum oxide micropowder, aluminum lactate and calcium lignosulphonate in a mass ratio of 10:(1.8-2.2):(0.7-1.3); the MgO content in the magnesite particle and magnesite fine powder is greater than or equal to 95 wt%; the mol ratio of magnesium to aluminum in the magnesium-aluminum sol is 1:(0.5-2); the Al2O3 content in the aluminum oxide micropowder is greater than or equal to 98 wt%; and the particle size of the aluminum oxide micropowder is 1-20 mu m. The tundish working lining for clean steel smelting has the advantages of low impurity content, higher strength, high molten steel corrosion resistance, high molten steel penetrating resistance, low influence on total oxygen content in molten steel, and low influence on the quantity of oxide inclusions, and is suitable to be used as a tundish working lining for clean steel smelting.
Owner:WUHAN UNIV OF SCI & TECH

Cigarette paper additive and its preparation method

A functional improver for the cigarette paper is prepared from perchlorate (20-90 Wt%) and alkaline aluminium lactate Al(OH)2 Lac (10-80 Wt%) through mixing. It is applied through dissolving it in water and spraying the solution onto cigarette paper to prevent the burnt paper from being broken for wrapping the tobacco ash well.
Owner:郑州瑞普生物工程有限公司

Anticorrosion thermal shock-resistant ceramic wear-resistant material and construction molding method thereof

The invention discloses an anticorrosion thermal shock-resistant ceramic wear-resistant material. The anticorrosion thermal shock-resistant ceramic wear-resistant material comprises 30% of brown fused alumina particles with granularity of 5-3mm, 15% of fused alumina zirconia particles with granularity of 3-1mm, 10% of silicon carbide particles with granularity of 1-0.2mm, 10% of sintered alumina with granularity of 1-0.1mm, 10-20% of composite ceramic nanometer powder, 5-30% of aluminate cement, 1-5% of a compound antiknock agent, 0.25% of a compound water reducer and 5-8% of industrial softened water. The compound antiknock agent comprises two or more of water-soluble explosion-proof fibers, aluminum lactate, metal aluminum and stainless steel fibers. The compound water reducer comprises two or more of sodium polyphosphate, sodium tripolyphosphate, sodium hexametaphosphate, sodium humate and sodium silicate. The anticorrosion thermal shock-resistant ceramic wear-resistant material is used for a blast furnace roof gas sealing plate, a cyclone dust collector, a granulation tower water granulated slag trench of a blast furnace granulating slag system, sintering machine bellows, a sintering machine flue gas cycle pipe and a sintering machine dedusting pipe and has good wear resistance, high temperature resistance, corrosion resistance and thermal shock stability.
Owner:HENAN HAOYUNXIANG REFRACTORY MATERIAL CO LTD

Wear-resistant ceramic material for repairing dry quenching furnace bracket support part and forming method thereof

The invention discloses a wear-resistant ceramic material for repairing a dry quenching furnace bracket support part. The wear-resistant ceramic material for repairing the dry quenching furnace bracket support part comprises 20%-40% of fused mullite particles with the particle size ranging from 5 mm to 3 mm, 10%-25% of fused dense corundum with the particle size ranging from 8 mm to 3 mm, 5%-15% of fused alumina zirconia particles with the particle size ranging from 3 mm to 1 mm, 3%-20% of sintered alumina particles with the particle size ranging from 1 mm to 0 mm, 5%-20% of composite ceramic nano powder, 3%-15% of aluminate cement, 1%-5% of composite antiknock agents, 0.25% of composite water reducers and 4%-6% of industrial softened water, wherein the composite antiknock agents adopt two or more of water-soluble explosion-proof fibers or aluminum lactate or aluminum metal or stainless steel fibers, the water reducers adopt two or more of sodium polyphosphate or sodium tripolyphosphate or sodium hexametaphosphate or sodium humate or water glass. The wear-resistant ceramic material is used for repairing the dry quenching furnace bracket support part, the integral structure is completed after forming in conducted, abrasion loss is small, the creep value is low, very high strength and toughness are achieved, and shock resistance and abrasion resistance are better.
Owner:HENAN HAOYUNXIANG REFRACTORY MATERIAL CO LTD

Method for producing semiconductor device

This method for producing a semiconductor device comprises: a dissolving step wherein aluminum lactate is dissolved in water, thereby preparing an aqueous solution; a mixing step wherein a mixed liquid is prepared by mixing the aqueous solution and an organic solvent with each other, and a semiconductor impurity liquid source that contains the mixed liquid is prepared; a coating step wherein the semiconductor impurity liquid source that contains the aqueous solution is applied onto a semiconductor substrate after the mixing step, thereby forming a diffusion source coating film on the semiconductor substrate; a firing step wherein the semiconductor substrate is subjected to a heat treatment at a first temperature in a first atmosphere after the coating step, thereby firing at least the organic solvent in the diffusion source coating film; and a diffusing step wherein the semiconductor substrate is subjected to a heat treatment at a second temperature that is higher than the first temperature in a second atmosphere after the firing step, thereby having the aluminum, which is contained in the diffusion source coating film, diffused into the semiconductor substrate so as to form a diffusion layer in the semiconductor substrate.
Owner:SHINDENGEN ELECTRIC MFG CO LTD

Tundish working lining for clean steel smelting and preparation method thereof

The invention relates to a tundish working lining for clean steel smelting and a preparation method thereof. The technical scheme is as follows: the preparation method comprises the following steps: mixing 43-49 wt% of magnesite particle with particle size of 11-0.2 mm, 32-39 wt% of magnesite fine powder with particle size of 1-200 mu m, 8-22 wt% of magnesium-aluminum sol and 2-5 wt% of mixture, uniformly stirring, and coating or casting to form. The mixture is prepared by mixing aluminum oxide micropowder, aluminum lactate and calcium lignosulphonate in a mass ratio of 10:(1.8-2.2):(0.7-1.3); the MgO content in the magnesite particle and magnesite fine powder is greater than or equal to 95 wt%; the mol ratio of magnesium to aluminum in the magnesium-aluminum sol is 1:(0.5-2); the Al2O3 content in the aluminum oxide micropowder is greater than or equal to 98 wt%; and the particle size of the aluminum oxide micropowder is 1-20 mu m. The tundish working lining for clean steel smelting has the advantages of low impurity content, higher strength, high molten steel corrosion resistance, high molten steel penetrating resistance, low influence on total oxygen content in molten steel, and low influence on the quantity of oxide inclusions, and is suitable to be used as a tundish working lining for clean steel smelting.
Owner:WUHAN UNIV OF SCI & TECH
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