337results about How to "Won't change color" patented technology

An anti-electrostatic rubber plate (desk pad and floor mattress) and its production are disclosed. The anti-electrostatic rubber plate consists of anti-electrostatic layer and conducting layer. It is prepared by preparing anti-electrostatic layer, preparing conducting layer film and vulcanizing to obtain final product.

The invention discloses a preparation process of medium temperature resistant iron oxide black; iron oxide black is obtained through an oxidation method, a filter cake which is not dried is directly used, the iron oxide black, the filter cake and the water are added in, a beating machine is controlled to prepare serum with a certain concentration, water-soluble additive is added in during a beating process, neutralizer is added, and the pH value is regulated; and the stirring is continued, iron black is produced through normal steps after heat insulation, dried and beaten into powder, and the medium temperature resistant iron oxide black is obtained. The iron oxide black prepared by the process can stand 260 to 270DEG C, does not discolor or has small color changes; and the iron black has the advantages of good heat resistant performance, and no flammability and no easy discoloring when in transportation and storage, ensures small heating color changes as well as the safety of transportation and storage, and simultaneously can be used at 270DEG C.

The invention discloses a graphene oxide / polymer composite antibacterial material and a preparation method thereof. The composite antibacterial material is characterized in that a polymer is subjected to surface modification and then is combined with graphene oxide dispersed in water, thus obtaining a graphene oxide antibacterial coating bonded on a polymer matrix, wherein the thickness of the antibacterial coating is 1 to 50nm. The preparation method of the graphene oxide / polymer composite antibacterial material comprises the following steps: firstly, performing ultrasonic cleaning on the polymer; secondly, performing surface modification on the polymer subjected to ultrasonic cleaning; thirdly, immersing an activated polymer matrix into a coupling agent solution and soaking; fourthly, taking out the soaked polymer, leaching with deionized water, then putting into a graphene oxide suspension liquid for 0.2 to 24 hours, taking out, leaching and naturally drying in air to obtain the graphene oxide / polymer composite antibacterial material. The invention designs and prepares the composite antibacterial material by taking graphene oxide as an antibacterial ingredient; the composite antibacterial material has a transparent antibacterial layer, is excellent in antibacterial property and is firmly bonded with the matrix.

The invention relates to a super black flock oil wax sense polishing treatment agent for synthetic leather, which comprises nitrocotton resin, alkyd resin, cyclohexanone, butyl acetate, isopropanol, silicon dioxide extinction powder, hydrophilic silicon oil, castor oil, erucamide and an organic silicon flatting agent. The invention also relates to a preparation method of the super black flock oil wax sense polishing treatment agent for synthetic leather. Compared with the traditional common black flock leather surface treatment agent, the super black flock oil wax sense polishing treatment agent for synthetic leather, disclosed by the invention, obviously ensures that the synthetic leather has better mist glossy effect after being polished and has special flock sense and strong leather dermis effect; and the synthetic leather applying the super black flock oil wax sense polishing treatment agent has flock oil wax hand feeling and good comprehensive effect.

The invention discloses an impregnation preparation method of nanometer titanium oxide which takes shell powder as a carrier, and in particular relates to a reproducible porous nanometer titanium oxide powder which takes the shell powder as the carrier and the preparation method thereof. In the method, titanium oxide is loaded on a shell powder carrier by impregnation; firstly, alkoxide solution of titanium ester or titanium with appropriate concentration is prepared, then an activated shell powder carrier with certain proportion is impregnated in the alkoxide solution, then the obtained solution is stirred and stayed for a certain time, and treated by low temperature and abstersion pretreatment and finally roasted at high temperature, so the nanometer TiO2 forms high-strength bond with the shell powder and promotes the catalytic activity of the nanometer TiO2 at the same time. Impregnation can be conducted for a plurality of times to increase load. The nanometer TiO2 is characterized by small particle size, good compatibility with materials, high catalytic efficiency, good stability, good regenerability, and the like, and can be applied to the fields of plastics, rubbers, fibers, coatings, home electronic appliances, paints, ceramics, water and environmental manipulation, pharmaceutical and hygienic articles, etc. In terms of sources of raw materials and production technology, the preparation method not only reduces the production cost of the nanometer TiO2 catalyst but also is helpful for disposal of the increasingly serious environmental problems, thus bearing great environmental protection significance.

The invention discloses a method for producing nanometer crystal sand surface floor slabs. The production method comprises the steps of slicing timber, selecting slabs and grooving according to conventional techniques, and further comprises the steps of conducting the polishing treatment for floor slab base materials, including seventeen-layer multiple permeation paint application technique, that is, applying two layers of water environmental protection primer, three layers of wear-resistant primer, nine layers of elastic primer, and three layers scraping-resistant finishing coat. The production method adopts the seventeen-layer multiple mutual-type permeation technique, that is, three plus two plus nine plus three, and utilizes the interactive permeation technique of nano-titanium paint molecules, so as to enable paint molecule layers to permeate into wood molecules. Through a plurality of layers of wear-resistant primer and hardening primer, and through leveling and a plurality of curing and sanding layers, the floor slab has high performance of super strong hardness, wear resistance, scraping resistance, oxidation and yellowing resistance. The paint surface adhesive force, the flexibility, and the scraping resistance of the floor slab greatly exceed those of the ordinary technical floor slab.

The invention relates to the field of food processing equipment, in particular to a fully automatic intelligent noodle processing and making method. The fully automatic intelligent noodle processing and making method is characterized by at least comprising the following steps: an extruding can is arranged, an extruding roller is arranged in the extruding can and can rotate in the extruding can, and a flour inlet is formed in the extruding can; a water inlet is formed in the flour inlet, flour is added from the flour inlet, water is added from the water inlet, the extruding roller is driven to rotate so as to mix the flour and the water, and the flour and the water are extruded to be formed into dough; a forming and cutting mechanism is arranged under the extruding can, and the forming mechanism comprises two dough pressing rollers and two dough cutting rollers, wherein two dough cutting rollers are arranged under the two dough pressing rollers to drive the two dough pressing rollers to rotate; the dough pressing rollers press the dough into wrappers and drive the two dough cutting rollers to rotate; the dough cutting rollers cut the wrappers into noodles. The fully automatic intelligent noodle processing and making method disclosed by the invention has the advantage that the fully automatic processing and making of noodles is realized.

The invention relates to a cleaning agent and more particularly relates to a metal cleaning agent and a preparation method thereof. By adoption of the preparation method, the problem of longer preparation time needed by the existing cleaning agent. The metal cleaning agent is prepared from the following components in parts by weight: 10-18 parts of washing assistant, 4-15 parts of surface active agent, 0.2-0.8 part of solubilizing agent, 1-1.5 parts of corrosion inhibitor, 0.2-0.5 part of antirust agent, 1-2 parts of complexing agent, 0.2-0.8 part of preservative, 0.5-1.5 parts of antistatic agent and 0.5-1 part of organic silicon defoamer, and also comprises water for dissolving the components. The metal cleaning agent and the preparation method has the beneficial effects that the neededpreparation time is short, and the prepared cleaning agent has the advantages of strong cleaning effect and fast cleaning speed.

The invention relates to a printed label tape and a manufacturing method thereof, belonging to the technical field of printed label manufacturing. The printed label tape comprises a grey fabric layer and an adhesive layer, and the thickness of the printed label tape is 120-150 mu m, wherein the thickness of the grey fabric layer is 120-130 mu m; the pH value of the printed label tape is 7.5-9.0; and the content of the residual chloride ions is less than or equal to 1.51%. The manufacturing method of the printed label tape comprises a coating treatment step and an aftertreatment step, wherein in the coating treatment step, the grey fabric is glued in a dipping manner; and the gluing formula comprises 20-30wt% of accelerant which contains chlorides, and the chloride content does not exceed 50wt% of the accelerant. The printed label tape provided by the invention can not react with textile products, can not discolor the textile products, and has the advantage of low production cost as compared with the label tapes produced by other methods.

The invention belongs to chemical materials and mainly relates to clay-based xanthogenate, and a preparation method and application thereof. The invention provides a clay-based xanthogenate compound. The other purpose of the invention is to provide the preparation method and the application of the clay-based xanthogenate. The clay-based xanthogenate compound and the preparation method thereof are characterized in that the compound is formed by alkalifying various mineral clays and then carrying out modifying or grafting reaction by adding carbon disulfide; and the method is simple, strong in operability, low in cost and easy for large-scale production, popularization and application. More particularly, the clay-based xanthogenate compound provided by the invention can be used as novel high-efficient heavy metal ion coagulant and can be applied in the fields, such as waste water treatment, soil remediation, wet-process metallurgy, environmental protection, ecological construction and the like, thus, the clay-based xanthogenate compound has the characteristics of simple and easy operation, rapidness, convenience, high metallic ion removing rate, easy solid-liquid separation and the like. The clay-based xanthogenate compound is an environment-friendly functional material and also has a wide application prospect in other fields.

The invention discloses a nanometer ceramic building curtain wall paint which comprises a nanometer oxide, a coloring pigment, an organosilicon curing agent and an auxiliary agent. The paint is characterized by super weathering resistance, scratch resistance, fireproofness, non-inflammability and self-cleaning, etc. The products of the invention are applicable to the hull painting of an outdoor aluminum curtain wall, and an aluminum veneer and an aluminum honeycomb panel which are used for indoor decoration.

The invention discloses an automobile reduction gearbox casing. The casing comprises 0.2% of yttrium, 0.06% of titanium, 0.05% of cerium, 0.05% of lanthanum, 0.02% of samarium, 0.5% of zinc, 2% of manganese, and the balance being magnesium. The invention also discloses a preparation method of the automobile reduction gearbox casing. The automobile reduction gearbox casing is excellent in breaking strength, hardness, creep resistance and corrosion resistance and has good market application value.

The invention discloses a glass ink-jet printing ink. The ink comprises, by weight, 20-60% of inorganic colored frits, 35-65% of an organic solvent, 1-15% of a dispersing agent and 0.1-4.5 % of an antistatic agent, and all the components account for 100%. The inorganic colored frits comprise, by weight, 35-65% of Bi2O3, 10-40% of SiO2, 5-18% of B2O3, 1-5% of ZrO, 0.7-8% of Al2O3, 0.3-2.5% of K2O, 1-28% of a glass color former and 0.1-3% of a frit stabilizing agent. The frit stabilizing agent is selected from any one of vanadium pentoxide, sodium dihydrogen phosphate, sodium selenite, ammonium dihydrogen phosphate and sodium antimonite. The glass ink-jet printing ink is stable in quality, printed patterns are accurate, uniform and bright in color, the finished product is attractive, and the glass ink-jet printing ink has the good weather resistance and chemical-resistance stability.

The invention relates to the field of lubricating grease, in particular to an environment-friendly steel wire drawing lubricating agent and a production method thereof. The lubricating agent is prepared by blending the following components in percentage by weight: 5.0 to 10 percent of base oil, 15 to 24 percent of emulsifier, 5.0 to 8.0 percent of alkaline reserve agent, 9.4 to 18.8 percent of extreme pressure antiwear agent, 5.3 to 8.3 percent of water soluble antirust agent, 0.01 to 0.03 percent of coupling agent, 0.01 to 0.03 percent of defoaming agent, 0.01 to 0.03 percent of bacteriacideand 30.81 to 60.27 percent of distilled water. The total percentage of the components is 100 percent. Compared with the prior art, the components do not react with the steel wire substrates; the antirust performance, defoaming performance and biostability are high; the deterioration in storage and use is slow, and the service life is long; and environment pollution is avoided and waste liquid canbe treated easily.

The invention discloses a matte wet and unsmooth feeling treating agent for synthetic leather and a preparation method of the treating agent. The matte wet and unsmooth feeling treating agent for the synthetic leather is formed by the following components: modified polyurethane resin, DMF (Dimethyl Formamide), n-butyl acetate, silicon dioxide extinction powder, wool grease, polyoxyethylene ether, castor oil and an organic silicon flatting agent. Compared with a conventional common matte leather surfactant, the matte wet and unsmooth feeling treating agent for the synthetic leather, disclosed by the invention, can obviously enable the matte extinction effect of the surface of a leather face to be good after treatment of the synthetic leather, so that the leather face has the unique wet and unsmooth wax feeling and the genuine leather effect of the leather face is strong; and the synthetic leather applying the matte wet and unsmooth feeling treating agent has the wet and unsmooth hand feeling and the comprehensive effect is good.

The invention discloses a method for producing an ultra-high molecular weight polyethylene colored fine denier fiber, relating to the technical field of polymer materials and comprising the following steps of: pouring ultra-high molecular weight polyethylene powder and solvent into an untwisting kettle according to the proportion; properly untwisting ultra-high molecular weight polyethylene macromolecules in the solvent by high shearing to form uniform emulsion-shaped mixed solution; then preparing nontoxic and harmless nanometer pigment grains into emulsion by using a mixing technology, evenly and continuously adding the emulsion into the emulsion-shaped mixed solution for further shearing; and finally, quantifying the emulsion-shaped mixed solution by the storage tank while stirring and feeding the emulsion-shaped mixed solution into a screw extruder to extrude and spin. The fiber not only has excellent qualities of the conventional high-strength high-modulus polyethylene fiber, but also solves the problems of waste liquid discharge in the after finishing process and realizes the environmental protection of raw materials, production process and products.

The invention discloses probiotic dry red wine and a preparation method thereof. The preparation method includes that dry red wine and rose flowers are used as raw materials, and low-temperature extraction technologies like high-voltage pulse electric field, microwave, ultrasound and biological enzymolysis are organically combined, so that functional substances and fragrant ingredients of the rose flowers can be retained to maximum extent; probiotics like functional Lactobacillus plantarum are used as fermentation agents, and temperature-variable fermentation and graded inoculation are adopted, probiotic multiplication and accumulation of functional metabolite can be realized to maximum extent, malic acid in the dry red wine can be further converted into lactic acid, acor of the dry red wine can be eliminated, and taste, healthcare function and wine stability of the dry red wine can be improved; the high-voltage pulse electric field, ultrasonic technology and peracetic acid are combined to accelerate aging, so that the probiotic dry red wine obtained has quality equivalent to that of existing fermented common dry red wine after aging for 8-10 years, and is good in aging effect, short in period and high in efficiency.

The invention discloses a preparation method of a bio-based polyurethane flame-retardant coating. The bio-based polyurethane flame-retardant coating is prepared from the raw materials polyalcohol, diisocyanate, ammonium polyphosphate (APP), phytic acid, layered dihydroxyl compound, dimethylolpropionic acid, 1,4-butanediol and triethylamine by the steps of prepolymerization, neutralization, emulsifying and forming. In the invention, the phytic acid and layered dihydroxyl compound are pretreated and serve as flame-retardant additives which cooperate with an intumescent flame retardant APP for flame retardance of waterborne polyurethane so as to obtain the bio-based polyurethane flame-retardant coating with excellent comprehensive properties.

The invention relates to an ultra-black plush polish processing agent used for synthetic leather, which comprises the following components: modified yellowing-resistant variant polyurethane resin, acetic ether, isopropanol, polyurethane color balls, silica extinction powder, modified siloxane, a leveling agent and a splashing agent. The invention also relates to a preparation method of the ultra-black plush polish processing agent. Compared with the traditional common black plush leather surface processing agent, the ultra-black plush polish processing agent used for synthetic leather, disclosed by the invention, ensures that the surface of the polished synthetic leather has burnt brightness and smooth plush hand feel obviously, the groove bottom is matt, the top layer is bright, and the bright-matt effect of the leather surface is special; and the synthetic leather processed by the ultra-black plush polished processing agent is characterized by water proofness, grease proofness and excellent comprehensive effect.

The invention discloses a composite concrete additive aqua antiseptic agent, belonging to the cement product technology field. The antiseptic agent comprises following components: A. iodo propynylbutyl carbamate; B. methyl dibromo pentanedinitrile; C. sulfamic acid water reducing agent with the solid content of 30% and synthesized by the phenol and the sodium p-toluenesulfonate; D. oxidized sodium lignosulfonate with the solid content of 30%. The invention has the following advantages of broadspectrum sterilization, such as bacteria (gram positive bacteria and gram negative bacteria), fungi, and yeast; stabilization and availability in a wide pH value range; excellent physical and chemical compatibility; non-color changing in the container and the lacquer film; low toxicity in the recommended addition level and biological degradation.

The invention provides a low-speed rotating original taste extrusion juicer and aims at providing a juicer small in occupied space, high in juice yield, light in weight, small in noise and convenient to dismantle and clean. The technical scheme is that at least three coarse pitch spiral blade teeth (20) extending to the front end of a cylinder along the circumferential bus direction and a rotating body head (15) forming a cone spiral with the front-end cylinder are arranged on the cylinder of a spiral propeller (5) positioned on an induction direct current motor spindle, and a turbine spiral tooth communicated with a spiral blade tooth channel is arranged at the shaft end of the rotating body head. The low-speed rotating original taste extrusion juicer is provided with a spiral extrusion port (19) and a mesh structure, residues of fruits and vegetables are discharged to a juicer hood (9) outside the juicer, wall knives (17) arranged around the extrusion port spiral surface equidistantly are arranged on an inner wall of the juicer hood (9), every wall knife extends towards a ring of the spiral surface (18) symmetrically, a frustum is formed in the axial direction, and a residue outlet with a residue discharging hole is inserted into a feeding barrel through a rotating clamping hook to be buckled so as to be connected to be a whole.

The invention discloses a preparation method for a high-purity gleditsia sinensis natural surfactant. The preparation method comprises the following steps: conducting ultrasonic-assisted extraction on gleditsia sinensis peel; adding a biological enzyme for enzymolysis, and then carrying out filtration to obtain a gleditsia sinensis extraction liquid; carrying out vacuum concentration at 50 DEG C to obtain thick paste, and then drying the thick paste to obtain a gleditsia sinensis total saponins extractive; purifying the gleditsia sinensis total saponins extractive to obtain the gleditsia sinensis natural surfactant. The preparation method has the advantages that the extraction rate and the purity of the gleditsia sinensis natural surfactant are improved; through the adoption of ultrasonic-assisted biological enzyme extraction, the content of total saponins in the obtained gleditsia sinensis total saponins extractive reaches 50-80%, and the aglycone purity reaches 80-95%; no toxic or harmful reagent is adopted in the preparation process; the obtained gleditsia sinensis natural surfactant can be used as an additive for drugs, cosmetics and commodities.

The invention provides a method for realizing welding between a soft base chip circuit board and a metal base body without a special tool, and aims to provide a local point-pressing welding method for the soft base chip circuit, which is capable of effectively avoiding the influences of cost, managing and unstable welding quality caused by the traditional special tool. The method is realized by the following technical scheme: firstly spreading tin at the back of the soft base chip circuit to flatten and homogenize a solder flow; then fixing a soft base chip at the welding groove of a cavity box (2) with the welding face coated with a welding flux by adopting a high temperature-resistant adhesive tape (4), placing the cavity body box (2) onto a heating board for heating, performing point pressing on the four edges and the central point and the position, which is slightly arched when people view by eyes, of the soft base chip by adopting a polytetrafluoroethylene rod (7) when the solder achieves the melting state, thus enabling the solder to be moisturized and expanded on the face of the cavity body box (2); finishing the welding of the soft base chip and taking down the cavity body box (2) for cooling. The method for realizing welding between the soft base chip circuit board and the metal base body without the special tool can realizes the aims of omitting the time for designing and machining the special tool and improving the production efficiency.

The invention publics a kind of process that results in electroplating automation line without taping rinsing water, of which the key point is: when electroplated block slips down from the plating bath to the recovery flute, let micro atomization waterjet unit using water in NO1 rinse tank jet water mist to clean electroplated block. When electroplated block rises from the recovery flute to the plating bath, let micro atomization waterjet unit using water in NO2 rinse tank jet water mist to clean electroplated block, repeat this until the end. The unit includes a and 2-4 in electroplating automation line. Between plating bath and rinse tank is recovery tank, each segment is connected with pipelines and pumps, and for recovery tank and rinse tank micro atomization waterjet units are located on both nicks. The invention can save 90% water and is of less pollution and no electroplating wastewater.

The invention relates to a solution for removing flash, which comprises the following components in percentage by mass: 10-60% of 1,3-dimethyl-2-imidazolidinone, 10-30% of ethanolamine, 10-60% of hexamethyl phosphoric triamide and 0-10% of deionized water. The ethanolamine is monoethanolamine, diethanolamine or triethanolamine. Particularly, the solution comprises the following components in percentage by mass: 30% of 1,3-dimethyl-2-imidazolidinone, 30% of monoethanolamine, 35% of hexamethyl phosphoric triamide and 5% of deionized water. The invention also relates to a method for removing flash, which comprises the following steps: corroding metal under flash by using the prepared solution, and when the combination of the metal under flash and the flash becomes loose, removing the flash in a mechanical mode. All the components can be dissolved in water, and thus, the solution is easy to clean; the solution is weakly alkaline, and thus, can not discolor the packaged colloid; the application temperature is high, and thus, the operation can be performed at 50-110 DEG C; the solution can be used for treating the product with severe flash only by enhancing the soaking temperature or prolonging the soaking time; and the invention can be used for removing oxides on the substrate surface without excessively corroding the substrate.

The invention provides a light-colored cardanol alkyl ether epoxy curing agent and a preparation method thereof, the cardanol alkyl ether epoxy curing agent prepared by the method, and a cured object formed by the curing agent and an epoxy resin. The preparing method comprises the steps of: mixing 1 mol of cardanol alkyl ether and 1-3 mol of polyamine; then adding 1- 3 mol of formaldehyde in batch, and controlling a reaction temperature between 80 DEG C and 90 DEG C and reacting for 4 hours; next, heating to 100-120 DEG C and evaporating water generated by reaction; at last, retaining at 80-120 DEG C, distilling at a reduced pressure till no moisture is evaporated; and obtaining the cardanol alkyl ether epoxy curing agent through Mannich reaction. The curing agent obtained by the invention is relatively light in color and non-discoloring after long-time storage; in addition, mixture of the curing agent and the epoxy resin encounters phase separation in curing, so that the impact strength of the cured object is improved, and the flexibility of material is reinforced.

The invention relates to an anti-yellowing type matte wetting and unsmoothing waxy-feel treatment agent for synthetic leather. The anti-yellowing type matte wetting and unsmoothing waxy-feel treatment agent is composed of the following components: modified anti-yellowing type polyurethane resin, butanone, toluene, silica extinction powder, polyether modified silicone oil and alkyl sulfonic acid. The invention further relates to a preparation method of the anti-yellowing type matte wetting and unsmoothing waxy-feel treatment agent for the synthetic leather. Compared with the traditional common treatment agent for the synthetic agent, the anti-yellowing type matte wetting and unsmoothing waxy-feel treatment agent for the synthetic leather has a good color development property and a good levelling property, is used to process the surface of the synthetic leather to ensure that the surface of the synthetic leather achieves good matte degree, natural gloss, unique wet / unsmooth hand-feel, delicate and full waxy feel and better anti-yellowing property, and the synthetic leather prepared by using the treatment agent is unique and comfortable in touch feel, good in anti-yellowing effect and excellent in comprehensive effect.

The invention relates to a false tooth, and particularly discloses a false tooth and a manufacturing method thereof. The false tooth comprises an inner crown. The inner crown serves as a basic support. A basic structure of the false tooth is formed in a three-dimensional printing mode. The outermost side of the inner crown is wrapped by a dentin porcelain layer. The dentin porcelain layer is formed in the mode that porcelain powder is cut, ground and sintered on the outer surface of the inner crown through a zirconium oxide material. A paste body is arranged between the dentin porcelain layer and the inner crown, and a gap between the dentin porcelain layer and the inner crown is filled with the paste body. According to the zirconium-oxide all-porcelain tooth manufacturing method, the data collecting process, the data processing process and the like are carried out, an omni-directional three-dimensional scanning mode, a data transmission means and the like are adopted, a high definition tooth simulation and restoration image can be generated accordingly, the parameters of the manufactured false tooth are more accurate accordingly, and the false tooth is better attached to the oral cavity of the human body.