90results about How to "Increase the amount of coating" patented technology

The invention discloses an ultraviolet light curing transparent priming paint and a preparation method and a use method thereof. The ultraviolet light curing transparent priming paint comprises the following components in percentage by weight: 20-30% of bisphenol A epoxy acrylate resin, 15-25% of polyester acrylate, 1-10% of urethane acrylate, 5-10% of reagent type hydroxyethyl acrylate, 10-20% of tripropylene glycol diacrylate, 12-25% of trimethylolpropane triacrylate, 4-6% of photoinitiator, 10-25% of filling powder and 0.4-0.8% of promotor. The ultraviolet light curing transparent priming paint is suitable for laser roller construction, has good grittiness and transparency, has the characteristics that sanding is not needed for semi-curing recoating between film layers and the like, and has thick coating performance and the performance that the surface is similar to a mirror surface, and compared with conventional roller coating, the coating weight is greatly increased, roller coating processes are saved, the priming paint is sanded by a sanding machine without large pressure and with a small number of sanded films, a workpiece has no bright spots, the fullness of a product is guaranteed, the product quality is improved, the loss of the machine is smallreduced, and the use amount of sanding belts is greatly reduced.

The invention belongs to the filed of refractory materials, and relates to a preparation method of granulated graphite used in a refractory castable. The granulated graphite is prepared from raw materials of, by mass: 34-52% of refractory raw material fine powder, 25-40% of flake graphite, 0-9% of solid-state phenol formaldehyde resin powder, 0-15% of an additive, and 22-31% of refractory raw material particles. Also, liquid-state phenol formaldehyde resin which takes 8.5-14.0% of the total weight of the solid raw materials is added. The preparation method comprises steps that: the refractory raw material fine powder, the flake graphite, the solid-state phenol formaldehyde resin powder and the additive are well mixed in a high-speed mixing granulator; a mixture is fetched for later use; the refractory raw material particles and the liquid-state phenol formaldehyde resin are well mixed in the high-speed mixing granulator according to the proportions; mixed powder obtained in the previous steps is placed in the high-speed mixing granulator; coating and granulating are carried out; an obtained material is dried in air, and is baked under a temperature of 100-200 DEG C, such that granulated graphite with a carbon content of 27.1-41.7wt% is obtained.

It is an object of the invention to provide a chemical conversion treating agent containing no chromium and exhibiting high corrosion resistance and excellent stability.A chemical conversion treating agent comprising:zirconium; fluorine; (A) at least one compound selected from the group consisting of amino group-containing silane coupling agents, their hydrolyzed products, and their polymers; and (B) an amino group-containing water-borne phenol compound;wherein the content of zirconium in the chemical conversion treating agent is 25 to 2000 ppm on the metal equivalent basis, andthe mole ratio of the contents of fluorine and zirconium satisfies the following relation:3≦F / Zr≦6.

The invention provides an immunomagnetic bead and a preparation method thereof. The immunomagnetic bead comprises a magnetic microsphere and a biological ligand, wherein the structure of the magnetic microsphere is magnetic microsphere-biotin-streptavidin-biotin-biological ligand from inside to outside. The immunomagnetic bead provided by the invention is stable in property, good in magnetism and small in particle size. A connecting mode of biotin-streptavidin-biotin is adopted, and the biotinylated magnetic microsphere is firstly obtained through amidation reaction and then is combined with the streptavidin. As the combination of biotin-streptavidin has the characteristics of high affinity and specificity, the magnetic microsphere and the biological ligand can be directionally combined, cross-linking is not easy, and a change in the structure of the streptavidin is not easily caused. Meanwhile, the preparation method provided by the invention is simple and mild in reaction conditions, and the biological ligand can retain the biological activity.

An exhaust system may include first purification device disposed at a rear end portion of exhaust manifold and including Lean NOx Trap (LNT); second purification device disposed at rear end portion of the first purification device and including a diesel particulate filter (DPF); and a third purification device disposed at a rear end portion of the second purification device and including a selective catalytic reduction (SCR), wherein the DPF of the second purification device includes at least one inflow channel, at least one outflow channel, at least one wall disposed between the inflow channel and the outflow channel and extended in a longitudinal direction, and a support disposed inside of at least one of the inflow channel and the outflow channel, and at least one catalyst is coated on one of the inner wall of the inflow channel, the inner wall of the outflow channel, and the support.

The invention provides a raw material preparation method of dry method reconstituted tobacco. An ethanol extraction method is adopted, lipid utmost fragrant substances in tobacco residuals such as tobacco powder, broken stalks and fragments are extracted out through a reverse alcohol extraction method and are used for preparing extracta, then, solid-liquid separation is carried out on slag charge, residual ethanol is extracted, remaining moisture is discharged out, and then the slag charge is screened and scattered, and dry method reconstituted tobacco raw materials are manufactured after being dried by a rotary drum dryer. Not only can intrinsic frangrance of natural tobacco be reserved to the maximum degree, but also the pollution of waste water to environment is reduced. The raw material preparation method of the dry method reconstituted tobacco is especially beneficial to accurate measuring of dry method paper-making process reconstituted tobacco equipment to raw materials in the process of manufacturing paper with pulp, and conducive to improving the filling value of the reconstituted tobacco.

A lithium ion secondary battery includes: a positive electrode including a positive electrode active material; a negative electrode formed by coating a negative electrode active material mixture onto a surface of a negative electrode collector, the negative electrode active material mixture including a negative electrode active material, a conductive additive, and a binder; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, in which the negative electrode active material includes graphite and an Si alloy, inequities of 0.43<=x<=9.0 and 8<=y<18 are satisfied when a mass ratio of the graphite and the Si alloy is defined as x and a coating amount of the negative electrode active material mixture is defined as y (mg / cm<2>). Thus, an initial capacity thereof can be increased and a capacity retention rate thereof can be improved in the lithium ion secondary battery which includes the Si alloy in the negative electrode.

The invention relates to a high-voltage-withstanding BaTiO3-based composite ceramic dielectric material and a preparation method thereof. The high-voltage-withstanding BaTiO3-based composite ceramic dielectric material comprises a ceramic material BaTiO3, a MgO coating layer and a SiO2 coating layer, wherein the MgO coating layer is arranged between the SiO2 coating layer and the ceramic materialBaTiO3. MgO coats the surface of BaTiO3 powder by means of a sol-coprecipitation method, SiO2 is added to the coated powder by means of a traditional solid phase method, and the SiO2 and MgO double-layer coated high-voltage-withstanding BaTiO3-based composite ceramic dielectric material is obtained. The BaTiO3-based dielectric material prepared by means of the method is high in voltage withstanding performance, and the direct current withstanding voltage can reach 41 kV / mm or above. In addition, the preparation process is controllable and simple, the repeatability is excellent, there are no special requirements for the granularity and particle size of the raw materials, and the cost is low.

The invention relates to a special thermosensitive paper for ink jet. The special thermosensitive paper sequentially comprises a base paper layer, a prime coat layer, a temperature-resistant chromogenic layer, a protection layer and an absorption layer from bottom to top, wherein the prime coat layer, the temperature-resistant chromogenic layer, the protection layer and the absorption layer are respectively coated with different coating liquids. According to the present invention, the ink absorption speed of the special thermosensitive paper coating having the protection layer can be improved;the absorption layer is coated on the protection layer to achieve the rapid drying purpose, such that the problem of paper surface pollution or unclear pattern caused by difficult drying can be solved; the influence on the thermal insulation of the printing can be solved by additionally arranging the absorption layer; the prime coat layer uses a sufficient amount of the hollow spheres, and the coating amount is increased, such that the heat insulation effect can be improved; with the chromogenic layer, the chromogenesis cannot be affected by the drying temperature when the prefabricated bar code is dried; the protection layer does not require the adding of the organic filler so as to improve the heat transfer effect; and the absorption layer uses the inorganic filler with advantages of strong absorption and good heat transfer performance so as to easily transfer the heat.

A period indicator including a liquid-permeable substrate and an indicative section which is overlaid on a portion of the substrate and which is formed from a liquid-permeable material having a low light refractive index, the indicator containing a volatile liquid, wherein the indicative section is formed by coating a surface of the substrate with an indicative-section-forming material prepared by mixing a binder and finely divided particulate matter having a low light refractive index, the indicative section is composed of two or more regions, and the regions differ in height from one another as measured from the surface of the substrate, as the coating amounts per unit area of the indicative section forming material in respective regions differ from one another. Since the period indicator can indicate the chemical-containing state stepwise, it is useful for indicating the available period of use of a chemical such as a mothproofing agent, an insecticide, a deodorant, or a fragrance.

A papermaking coating comprises, by weight, 100 parts of pigment, 9-12 parts of butadiene-phenylethylene copolymer, 4-6 parts of glucose monomer polymer, 0.05 part of sodium polyacrylate, 0.05-0.9 part of carboxyl methyl cellulose, and water. The solid content of the papermaking coating is 65%-71%. The invention further provides a making method of coated paper using the papermaking coating, and the coated paper.