70results about How to "Will not dissolve" patented technology

The invention relates to a novel concrete artificial fish reef which is prepared from the following raw materials in proportion: cement, sand, stones, mixing water, oyster shell powder, fly ash and mineral powder, wherein the weight ratio of the raw materials is 1:(1.9-2.6):(2.8-3.9):(0.4-0.6):(0.1-0.2):(0.1-0.3):(0.1-0.5). A preparation method of the novel concrete artificial fish reef comprises the following steps of adding the raw materials to a concrete mixer, stirring, then placing on a vibrating table for vibrating uniform compaction, and splitting a mould after 12-34 hours; and after the mould is split, carrying out standard maintenance for 28 days. The novel concrete artificial fish reef disclosed by the invention can not dissolve out a harmful substance in a using process or influence the biological adhesion, has no pollution on the environment, is more suitable for an ocean environment on property and can be improved in artificial fish reef effect.

The invention discloses an enamel glaze which belongs to the technical field of ceramic materials, and the enamel glaze comprises a colored glaze basic glaze, an enamel glaze basic glaze and coloring pigments. The invention further discloses a preparation process of the enamel glaze and an application of the enamel glaze. The preparation process can improve the firing temperature of the enamel colored glaze, expand the firing range of the glaze, improve the viscosity of the enamel colored glaze and ensure that coloring metal oxides can not be diffused or the color can not be dimmed due to the flowing of the glaze by optimizing the formula of the enamel colored glaze, adopting an appropriate amount of zinc oxide for replacing heavy metal flux materials, such as lead oxide and the like, integrating the applicable color development performances of a variety of coloring materials and introducing a rare earth compound of yttrium oxide. The preparation process can further ensure that the coloring metal oxides in the enamel glaze can not be oxidized by oxygen or water vapor in the air through the way of underglaze color, thereby further ensuring that a product can not change the color or fade forever, closing heavy metals contained in the coloring oxides for avoiding solventing-out and solving the problem of heavy metal pollution.

The invention provides a stabilizing treatment method for heavy metal components in sludge; according to the method, a heavy metal component stabilizing agent is selected for stabilizing treatment of the heavy metal components in the sludge, wherein the heavy metal component stabilizing agent comprises at least 1 acidic metal salts of iron, zinc, copper, manganese and aluminum and at least 1 alkali metal or alkaline earth metal alkali compound of calcium, magnesium, sodium and potassium, the mixing ratio of heavy metal component stabilizing agent and sludge is: 100 parts by weight of sludge corresponding to 0.5 ~ 30 parts by weight of the acidic metal salt and 0.5-60 parts by weight of the alkali metal or alkaline earth metal alkali compound. By use of the method, stabilizing treatment of trace heavy metal lead and other harmful ingredients contained in the sludge produced from a factory and the like can be easily performed, the processed sludge can be used for purposes such as landfill and the like, the heavy metal harmful ingredients contained in the stabilizing treated may not dissolved from the sludge, so that the environment can be protected.

The present invention discloses a spherical alumina carrier material, said carrier material contains 50-90 wt% of alumina and 1-50 wt% of magnetic granules, in which the described magnetic granules are formed from SiO2 convering layer and one or several kinds selected from Fe3O4, Fe and gamma-Fe2O3 as internal kernal material, and the weight ratio of the described covering layer and internal kernel is 0.01-6:1. Said invention also provides its preparation method and application as catalyst carrier.

A dental article is formed by a polymer material obtained by the polymerization of at least a cycloolefin. A process for the surface modification of a dental article formed by a polymer material obtained by the polymerization of at least a cycloolefin, comprises applying a graft polymerization initiator over the surface of the dental article, supplying a reactive monomer onto the coated surface of the article, and then subjecting the coat to graft photopolymerization.

The invention provides a rice processing method and cooker. According to the theory of traditional Chinese medicine, rice is soaked before cooking and is boiled for a short time, the moisture in rice is sufficiently dissolved out in water according to the law of attraction that like attracts like, and meanwhile the loss of starch and other nutritional ingredients in rice is reduced as much as possible. The rice processing cooker comprises an outer cooker body used for containing water, and a containing device arranged inside the outer cooker body and used for containing rice, wherein the containing device can be immersed by water in the outer cooker body. The containing device is permeable to water and air but not permeable to rice grains. The rice processing cooker further comprises a separation structure and a control device. The separation structure is used for separating rice from rice water after the rice contained in the containing device is boiled by the water contained in the outer cooker body and produces the rice water. The control device is used for controlling the rice in the containing device to be soaked for a period of time before starting boiling the contained water and is also used for controlling further heating for a period of time to steam the rice when the separation structure separates the rice from the water after a short time of heating and boiling.

The present invention discloses a spherical alumina carrier material, said carrier material contains 50-90 wt% of alumina and 1-50 wt% of magnetic granules, in which the described magnetic granules are formed from SiO2 convering layer and one or several kinds selected from Fe3O4, Fe and gamma-Fe2O3 as internal kernal material, and the weight ratio of the described covering layer and internal kernel is 0.01-6:1. Said invention also provides its preparation method and application as catalyst carrier.

The invention provides a piece of cookware for processing rice and a rice processing method. The cookware for processing rice and the rice processing method aim at achieving the purpose that according to the traditional Chinese medicine theory, wet gas in rice is fully dissolved in water according to the attraction law that like attracts like, loss of starch and other nutrient components in rice is reduced as much as possible, and the defect that along with heating of a piece of original cookware, an air bubble membrane covering the whole liquid level is formed, overflow is caused can be avoided due to the cookware of special design. The cookware for processing rice comprises an outer pot used for containing water, and a containing utensil arranged in the outer pot and used for containing rice, and the interior of the containing utensil can be immersed by water in the outer pot. The containing utensil is pervious to water and air, but not pervious to rice grains. The cookware for processing rice further comprises a separating structure which is used for separating rice and rice soup after the rice contained in the containing utensil is boiled in the water contained in the outer pot and rice soup is generated. The cookware for processing rice further comprises a heating disk located at the bottom of the outer pot, round holes are formed in the heating disk, and the outer diameter of the heating disk is not larger than the inner diameter of the pot bottom.

The invention relates to the technical field of water delivery pipelines, in particular to a novel antibacterial PPR composite water delivery pipe with the good weatherability. The composite water delivery pipe comprises an antibacterial inner layer, a structure layer and a weatherproof outer layer from the inside to outside of the pipe, wherein, the antibacterial inner layer is prepared from rawmaterials, in parts by mass: a PPR raw material, a nano silver antibacterial agent and an agion antibacterial additive; the structure layer is prepared from raw materials: the PPR raw material, blockco-polypropylene PPB, polyisobutene, nylon, paroline, an initiator and an antioxidant; and the weatherproof outer layer is prepared from polypropylene particles, polyethylene particles, tetraethoxy titanium, the initiator, stearic acid, a catalyst, the antioxidant, an ultraviolet absorbent and color masterbatch. Compared with a common PPR water delivery pipe, the novel water delivery pipe has thebetter weatherability, higher compressive strength, and better antibacterial effect, meanwhile, has the advantages that no toxic and harmful substances are dissolved out in the using process, and is very safe and reliable.

The invention provides a carbon powder group. The carbon powder group at least comprises four types of independent ceramic carbon powder, namely black ceramic carbon powder, yellow ceramic carbon powder, green ceramic carbon powder and red ceramic carbon powder, wherein each of the black ceramic carbon powder, the yellow ceramic carbon powder and the green ceramic carbon powder comprises an inorganic ceramic pigment; the grain diameter of each inorganic ceramic pigment is less than 1 micron; the granularities of the black ceramic carbon powder, the yellow ceramic carbon powder and the green ceramic carbon powder are 7-12 microns; the red ceramic carbon powder comprises covered red pigment powder; the grain diameter of the covered red pigment powder is 2-8 microns; and the granularity of the red ceramic carbon powder is 10-20 microns. The carbon powder group is very suitable for printing high-pixel full-color pictures; the pictures have bright colors, clear layers and vivid images; and the printing effect of the carbon powder group is better than the printing effect of multi-color carbon powder in the prior art.

The invention discloses a PVDC waterborne emulsion used for coating. The PVDC waterborne emulsion is prepared from the following components by weight: 1 to 5 parts of a seed monomer, 45 to 55 parts ofa VDC monomer, 4 to 10 parts of a comonomer, 0.01 to 0.05 part of an initiator, 0.1 to 0.5 part of a seed emulsifier, 0.5 to 3 parts of an emulsifier, 0.01 to 0.05 part of an auxiliary agent, 0.001 to 0.01 part of a modifying auxiliary agent and 35 to 40 parts of deionized water. The PVDC waterborne emulsion provided by the invention is coated onto hard sheets of PVC, PET, nylon, PCT and the liketo form composite hard sheets, and has the advantages of high impact strength, small possibility of crack generation, good barrier properties, no dissolution of harmful substances, capability of directly contacting with chemicals, high thermal stability, strong yellowing resistance, etc.

The invention relates to a method for producing ceramic vessel which comprises following steps: preparing vessel mud blank to be fed into furnace to form the white embryo; using non-cored yarn to dip paint; contacting the surface of ceramic white embryo with said yarn to form the pattern; glazing the white embryo to cover the pattern under the glaze layer; then putting it into furnace to be burned to attain final product. The invention has quick shaping speed, lower cost and the application for producing the ceramic product whose surface is bended or smooth and the attained ceramic product will not dissolve out harmful metal elements.

The invention relates to a storage battery material and a preparation method thereof, in particular to positive lead paste for a storage battery and a preparation method of the positive lead paste. The positive lead paste is prepared from the following components in parts by weight: 75-85 parts of lead powder, 5-10 parts of red lead, 0.5-1 part of calcium phosphate, 5-10 parts of dilute sulfuric acid, 0.2-0.3 part of graphene oxide, 0.5-1.5 parts of EDTA-2Na and 10-20 parts of deionized water; and the calcium phosphate, the graphene oxide and the EDTA-2Na are added at the same time, so that the formation effect on the battery is not affected, the capacity of the battery is improved in the using process of the battery, the problem of softening of a later pole plate of the battery is effectively solved and the service life of the battery is prolonged.

The invention discloses a method for preparing 5-fluorouracil delivery microspheres, wherein the method includes the steps of modification of butanedioic anhydride, preparation of sodium alginate microspheres, preparation of sodium alginate-chitosan microspheres, and preparation of sodium alginate-chitosan-carrageenan microspheres. The beneficial effects comprise that the surface of the sodium alginate microspheres is coated with two polysaccharide layers, an LBL structure is formed, surface voids of the prepared core-shell type multilayer microspheres are reduced, delivery active ingredientscan reach colons through an acidic gastric juice, and a certain effect of targeted therapy is achieved; the sodium alginate-chitosan-carrageenan microsphere system shows extremely high sensitivity ina colonic weakly alkaline environment with the pH of about 7.4, has the swelling ratio in 30 minutes reaching 20 or more and has good targeting swelling selectivity at colon positions; with the selectivity, the sodium alginate-chitosan-carrageenan microspheres are expected as a special preparation colon targeted drug delivery carrier and have high market prospect.

The invention discloses a composite material for constructing an ecological artificial fishing rock and a manufacturing method. The composite material comprises BFRP bars for replacing steel bars anda mixed material consisting of cement, water, river sand, crushed oyster shells, crushed stones and an additive, wherein the mass ratio of the cement to the water to the river sand to the crushed oyster shells to the crushed stones to the additive is 1 to 0.33-0.45 to 0.91 to 0.60 to 2.36 to 0.02, the mixing amount of the BFRP bars accounts for 0.1% of the volume of the mixed material of the artificial fishing rock, and the longitudinal BFRP bar reinforcement ratio is 0.2%. The cement is 42.5-grade ordinary Portland cement; the particle size of the river sand is 1-2mm; the particle size of thecrushed oyster shells is 1-2mm; the particle size of the crushed stones is 0.5-3.0cm; the additive is polycarboxylate superplasticizer; and the content of the superplasticizer is 2.0% of the cement content. The composite material provided by the invention has high cost performance and a remarkable ecological effect, and the manufacturing method is simple and convenient, easy to implement, effective and convenient to popularize.

A pressure-sensitive adhesive having its adherence lost by actinic energy radiation, comprising an etching-resistant photopolymerization initiator, an actinic energy radiation reactive compound and a hardening agent. Further, there is provided a process for producing an etched metallic material, comprising the steps of: (1) adhering a metal foil to a base film by means of the above pressure-sensitive adhesive having its adherence lost by actinic energy radiation; (2) performing selective etching of the metal foil to thereby obtain an etched metal layer; (3) combining the etched metal layer of the laminate composed of the base film, pressure-sensitive adhesive having its adherence lost by actinic energy radiation and etched metal layer with an insulating substrate; and (4) detaching the base film from the etched metal layer, wherein exposure to actinic energy radiation is carried out at least once after the step (1) but prior to the step (4).

A bonding material that has a melting temperature of 270 DEG C or higher and that does not contain lead is inexpensively provided. An electronic element and an electrode of an electronic component are bonded using a bonding material containing an alloy that contains Bi as the main component and that contains 0.2 to 0.8 wt% Cu and 0.02 to 0.2 wt% Ge.

The invention belongs to the technical field of intelligent food packaging, and particularly relates to a preparation method of a hydrophobic film for indicating food freshness. The method comprises the following steps: stirring and mixing curcumin, hydrophobic polymer particles and a plasticizer to obtain a curcumin-hydrophobic polymer particle mixture; uniformly mixing the raw materials, then adding the mixture into a double-screw extruder, setting a heating temperature, and carrying out extrusion granulation by virtue of a mouth film and a granulator, so as to form curcumin-hydrophobic polymer composite granules; then adding into an extrusion film blowing machine, and setting a heating temperature, a cooling air volume and a blow-up ratio to prepare a curcumin-hydrophobic polymer film;according to the invention, the curcumin is embedded in a low-density polyethylene film by utilizing a melt extrusion film blowing method to prepare a hydrophobic film, and the hydrophobic film has the advantages of being good in mechanical property, safe, non-toxic and simple to prepare; and the film has response to alkaline gas, so that the film has a good application prospect in the aspect of indicating the freshness of food.

Provided are: an antistatic resin composition which exhibits long-lasting and sufficient antistatic properties, and substantially no ion elution when formed into a moulded article, and which is suitable for packaging materials and containers for accommodating / transporting electrical and electronic components; and a container and a packaging material which use said antistatic resin composition. The antistatic resin composition includes, per 100 parts by mass of a synthetic resin, 3-20 parts by mass of at least one polymer compound (E), and 0.1-5 parts by mass of a salt (F) of at least one alkali metal. The polymer compound (E) is provided with a structure obtained by bonding, via ester bonds, or ester bonds and amide bonds, a diol, an aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, a compound (D) having a reactive functional group, and a compound (B) which has at least one group represented by general formula (1), namely -CH2-CH2-O-, and which has hydroxyl groups provided to both terminals.