39results about How to "Unique dispersion" patented technology

A slump retaining polycarboxylic acid superplasticizer. A weight average molecular weight of the superplasticizer is 20,000-80,000. The slump retaining polycarboxylic acid superplasticizer is prepared by performing polymerization reaction on a monomer A, a monomer B, a monomer C and a monomer D in an aqueous solution in the presence of a redox initiator, wherein a molar ratio of (the monomer A+the monomer B):the monomer C:the monomer D is 1:(3-8):(4-12), and a molar ratio of the monomer A to the monomer B is 1:(1-4).

The invention discloses alkali lignin carboxylate and a preparation method thereof. A prescription of the modified raw material comprises the following components in parts by mass: 200 parts of alkali lignin, 20-50 parts of activating agent and 40-80 parts of carboxylic reagent; and the alkali lignin is bamboo pulp or straw pulp paper-making black liquid acid precipitating alkali lignin and has the solid content of 95 percent by mass. In the preparation, the alkali lignin is used as a main raw material, the activating agent and the carboxylic reagent are added, and the alkali lignin carboxylate is obtained by activating and electrophilic substitution reaction under basicity. By means of the preparation method, the water-soluble high molecule carboxylate is prepared by using alkali lignin with wide raw material source; and the prepared alkali lignin carboxylate has higher carboxyl content, favorable water solubility and strong surface activity. The alkali lignin carboxylate prepared by the preparation method disclosed by the invention has favorable hydrophilicity and surface activity, and the carboxyl contained in the molecules of the alkali lignin carboxylate has favorable chelating performance; and the alkali lignin carboxylate can be used as a functional auxiliary agent to be applied to a plurality of industrial fields and is a novel water-soluble lignin derivative.

The invention relates to a stainless steel water meter shell which is cast by using a lost foam process. The fireproof paint of the lost foam comprises 15 parts of zirconite powder, 15 parts of ferrochromium powder, 12 parts of pyrophillite powder, 10 parts of bauxite, 5 parts of magnesium powder, 5 parts of limestone powder, 4 parts of brown emery powder, 1 part of white emery powder, 2.5 parts of lithium-base bentonite, 2 parts of carboxymethyl cellulose, 1 part of palygorskite, 2 parts of sodium silicate, 2 parts of aluminum sulfate, 1.5 parts of VAE (Vinyl Acetateethylene Emulsion), 0.6 part of n-butyl alcohol, 0.2 part of n-caprylic alcohol and 25 parts of water; an energy converter intubation tube with internal and external threads is arranged inside an inclined tube of the water meter shell; and after being inserted, an energy converter is not directly contacted with a water fluid, so that the service life of the energy converter is prolonged and the stainless steel water meter shell has a wide application prospect.

The invention discloses an environmental-friendly writing ink for a white board pen. The writing ink is made from the following materials in part by weight: 4-8 parts of plant pigments, 6-10 parts of emulsifying agents, 2-5 parts of castor oil, 3-7 parts of palygouskite, 15-25 parts of ethanol and 30-80 parts of deionized water. The ink has the advantages of environment protection, safety, stable long-placed performance, bright and soft color and smoothness in writing, can be quickly erased by water and is particularly applicable to the teaching white board pen.

The invention belongs to the field of preparation of anticorrosive paint, and in particular relates to anticorrosive paint added with a graphene/zinc composite material and a preparation method of the anticorrosive paint. The anticorrosive paint is prepared from the following components (in weight percentage composition): 20 to 90 percent of polyurethane, 5 to 15 percent of graphene/zinc composite material, 1 to 10 percent of tinting pigment, 5 to 10 percent of filler, 0.1 to 3 percent of dispersing agent, 0.1 to 3 percent of wetting agent, 0.1 to 3 percent of thickener, 0.1 to 1 percent of flatting agent, 0.1 to 1 percent of defoamer, 0.1 to 1 percent of bactericide and 1 to 35 percent of water. The anticorrosive paint prepared by the preparation method is excellent in anticorrosive effect, harmless to the environment, simple in process, and is prone to industrial production.

The invention discloses dry powder coating added with attapulgite mineral and a preparation method thereof. On the basis that the total weight of the dry powder coating is 1000 parts, the dry powder coating is prepared from the following raw material components in parts by weight: 150 to 400 parts of portland cement, 50 to 500 parts of attapulgite, 5 to 50 parts of soluble aluminium salt, 2 to 7 parts of thickening water-retaining agent, 1 to 3 parts of retarder; 0 to 30 parts of color paste, and 450 to 550 parts of filler. The dry powder coating added with the attapulgite mineral adopts the attapulgite as a new-style internal filler, and the attapulgite has better adsorption capacity, and unique dispersibility, plasticity and viscous force, is heat-resistant and low in shrinkage rate after drying, and has no flocculation and no precipitation during suspension.

The present invention describes a method to obtain magnetic aqueous ink composition for MICR (Magnetic Ink Character Recognition) ink jet printing comprising an aqueous dispersion of functionalized magnetic nanoparticles, humectant agents, solvents, biocide and water. It also allows obtaining stable inks for long periods with extremely high concentrations of magnetic nanoparticles with loading between 15% and 40% by mass and magnetic signals varying from 80 to 200%. Through the use and special combination of humectant agents, the present inventions increase the print head protection, by decreasing abrasiveness and increasing fluidity. The resulting ink has superior printing quality and increased service life of the printing system.

The invention provides a catalyst for removing dioxins in flue gas, which belongs to the technical field of waste incineration treatment, including attapulgite, TiO ₂ and active ingredients, active ingredients include V ₂ o ₅ 、WO ₃ , Sb ₂ o ₅ and Nb ₂ o ₅ , the attapulgite, TiO ₂ The sum of the mass percentages of active components and active components is 100%, attapulgite 0‑20%, TiO ₂ 75‑85%, V in active ingredient ₂ o ₅ 3‑10%, WO ₃ 0‑7%, Sb ₂ o ₅ 0‑7%, Nb ₂ o ₅ 1‑5%, MoO ₃ 0‑9%. The invention also provides a preparation method and application of the catalyst for removing dioxins in flue gas. The invention has properties such as large specific surface area, superior low-temperature activity, high ability to remove dioxins and high mechanical strength, so that the performance of the catalyst can be maximized, and can be widely used in the removal of dioxins in flue gas remove.

The invention discloses cement paste for buildings with energy conservation, lightweight, insulation and crack resistance. The cement paste comprises the following components: cement, fine sand whose particle size is less than or equal to 0.38mm, stone flour whose particle size is less than or equal to 0.15mm, vitreous beads whose particle sizes are in the range of 0.15 to 0.30mm, HPMC, a thixotropic lubricant, dispersible latex powder, and anti-crack fiber. The cement paste is advantageous in that a scrape coating by manual operation or scrape coating by machine can be used as a construction mode, construction cycle is short, thin layer construction reduces bearing of walls, and bonding strength is high; the cement paste has the effects of wear resistance, corrosion resistance, fire prevention, energy saving and heat insulation, and cracking resistance; the cement paste is not easy to be damaged by worms, and harmful gas is not released.

The invention belongs to the field of animal husbandry, and particularly relates to a plant-derived nutritional lick brick which is prepared from the following raw materials in parts by weight: 40-50 parts of suaeda glauca, 60-70 parts of purslane, 5-15 parts of sunflower leaves, 5-6 parts of attapulgite, 25-30 parts of corn starch, 20-30 parts of molasses, 500-600 parts of table salt and 10-12 parts of trace element premix. The modified attapulgite is used for preparing the lick brick, so that more effective components such as plant polysaccharide and flavone can be loaded on the surface of the attapulgite, the oxidation resistance of livestock can be improved, and the immune function of the livestock can be enhanced.

The invention provides an aqueous wood coating as well as a preparation method and application thereof, relating to the technical field of coatings. According to the aqueous wood coating, polyurethane-modified acrylic emulsion serves as main film forming matter, lignocellulose and nanometer silica sol are compositely added, the lignocellulose can permeate into the film forming matter to form a staggered network structure, the nanometer silica sol enters a gap between lignocellulose, the raw materials act together to form a dense three-dimensional network structure, so that a formed coating film has excellent rigidity, air permeability, flexibility and impact resistance, and is used for improving the detects of the coating film for a current aqueous wood coating such as poor air permeability, easy fracture, easy deformation and easy rid explosion. The invention further provides the preparation method of the aqueous wood coating, the preparation method is simple in process and easy to operate, and can be produced in an industrial scale.