254results about How to "Easy to wash off" patented technology

The invention discloses an addition agent acid soaping agent for dyeing. Although the conventional soaping agent composite has good soaping function, but cannot neutralize the alkaline substances which are remained on the cloth, and the cloth is washed by water for multiple times until the pH value of the cloth is close to neutral, the cloth can be used, so a great amount of water resource is wasted. Fatty alcohol polyethenoxy ether is firstly reacted with acrylic acid or maleic acid to generate a polymerization monomer with surface activity, then under the existence of the evocating agent, the polymerization monomer is polymerized with hydrophilic monomer to generate a macromolecular polymer having dispersion chelation performance, and the macromolecular polymer is compounded with the surface active agent to obtain the acid soaping agent. The prepared acid soaping agent integrates the neutralization process and the soaping process after the dyeing of the active dye, so the process flow is greatly shortened, the water is saved, the energy is saved, the emulsion dispersion chelation performance is excellent, the loose color on the texture can be easy to wash, and the staining prevention performance is excellent.

The invention relates to a traditional Chinese medicine composition for treating burn, comprising an oral medicine and an externally applied medicine, wherein the oral medicine is prepared from angelica sinensis, hemlock parsley, astragali, pseudo-ginseng, sanguisorba, safflower, radix rehmanniae, spatholobus stem, baikal skullcap root, giant knotweed, oldenlandia diffusa, dangshen, tuckahoe, white atractylodes rhizome and red peony root; and the externally applied medicine is prepared from myrrh, mastic, rhubarb, pseudo-ginseng, safflower, draconis sanguis, natural indigo, gromwell, fried sanguisorba, giant knotweed, carpet bugle, borneol and phellodendron bark. The traditional Chinese medicine composition provided by the invention is convenient to use and coat on an affected part for skin absorption, is easy to wash off and convenient to change dressing, can keep the surface of a wound wet, can prevent bacterial invasion, is capable of quickly alleviating pain, diminishing inflammation and relieving itching, and can promote the surface of a wound to heal quickly and reduce scar. In addition, the traditional Chinese medicine composition has short period of treatment, an obvious curative effect and no obvious toxic or side effect, has obvious efficacies of antibiosis, alleviating pain, subduing swelling, diminishing inflammation, adsorbing, converging, removing necrosis and promoting granulation, and is used through oral administration and external application with quite good effect.

The invention provides an external traditional Chinese medicine preparation for treating chronic wounds, which is prepared from the following raw medicines in parts by weight: 10-20 parts of draconis sanguis, 10-20 parts of chuanxiong rhizome, 10-20 parts of notoginseng, 10-20 parts of fried sanguisorba, 10-20 parts of safflower, 10-20 parts of spatholobus stem, 10-20 parts of giant knotweed, 10-20 parts of oldenlandia, 10-20 parts of red sage root, 10-20 parts of herba patriniae, 10-20 parts of moutan bark, 10-20 parts of myrrh, 10-20 parts of mastic, 10-20 parts of rhubarb, 10-20 parts of natural indigo, 10-20 parts of gromwell, 10-20 parts of catechu, 10-20 parts of borneol, 10-20 parts of phellodendron bark and 10-20 parts of boneset. The external traditional Chinese medicine preparation provided by the invention can promote healing of infectious wounds, increase pus, enhance qualitative viscosity and regenerate granulation to enable the wounds to quickly heal, has an obvious effect on treating wound infection, and can be used for treating partial ulcer, removing necrotic tissue and promoting granulation, accelerating the degeneration process of the necrotic tissue, promoting dilation of capillary vessels, accelerating microcirculation of the capillary vessels and filling the wounds.

The invention provides a preparation method for a print adsorbent of chitosan molecules, which relates to a preparation method for an adsorbent that can selectively remove perfluorooctane sulfonate (PFOS) in water. The preparation method adopts a molecular imprinting technique to construct a plurality of specific adsorption sites and the worthy adsorbent has remarkable selectivity adsorption to the PFOS in water. The method takes chitosan as raw material to prepare micro-cross linking chitosan beads; then the chitosan beads are printed with template molecules PFOS for 5 to 24 hours in an acid water solution, a mass ratio between the template molecules and the micro-cross linking chitosan beads is 0.005 to 0.06: 1, and reaction with a cross linker is carried out for 2 to12 hours after printing; the mass ratio between the volume of the cross linker and the micro-cross linking chitosan beads after being printed is 0.0125 to 0.119ml / g; finally, an organic solvent is used for eluting for 1 to 8 hours and the print adsorbent of chitosan molecules is obtained after freeze-drying. The adsorbent is suitable for adsorbing and removing PFOS in complicated water substances and is characterized by strong selectivity and being able to be reused.

The invention discloses a low-temperature soaping agent for reactive dyes, belonging to the soaping process of the printing and dyeing industry. The low-temperature soaping agent is formed by compounding high-efficiency surfactant and auxiliaries, and comprises the following components in percentage by weight: 5-20wt% of stearyl alcohol polyether, 10-60wt% of anion- nonionic surfactant, 1-10wt% of sodium carboxymethyl cellulose (CMC), 0.1-5wt% of polyvinylpyrrolidone (PVP), 0.1-5wt% of sodium polyacrylate (PAAS), 1-20wt% of triethanolamine (TEA), and the balance being water. The soaping agent is free of phosphor, alkylphenol polyoxyethylene ether and harmful solvent, can be biodegradable, has low foaming performance and self-chelating performance, is used for soaping reactive dyes after dyeing, has a good soaping effect at a soaping temperature of 60 DEG C, and can save energy and reduce consumption.

The invention discloses an activated dye resist printing technology for a cotton fabric. The technological process comprises the following steps in sequence: printing, drying, ageing, washing with water, soaping and drying. The formula of the coating white resist paste comprises the following components: 200-400 g / kg of coating white, 150-300 g / kg of an adhesive, 150-300 g / kg of an emulsion thickener, 60-80 g / kg of sodium sulfate; the formula of the coating color resist paste comprises the following components: 200-400 g / kg of a coating, 160-250 g / kg of an adhesive, 40-50 g / kg of an emulsion thickener as a thickener, 30-80 g / kg of sodium sulfate, 200-400 g / kg of an activated dye as printing paste, 400-500 g / kg of 5% sodium alginate paste, 5-10 g / kg of appropriate urea reserve salt S, and 10-25 g / kg of sodium bicarbonate. The requirements on the activated dye for resist printing comprise low affinity to cotton fiber, and low probability of cleaning the unfixed dye.

The invention discloses a technical method for preparing superfine cobalt powder in a close-packed hexagonal structure or a face-centered cubic structure by hydrogen reduction, and belongs to the technical field of the preparation of metal powdered material. The invention comprises the following steps: excessive alkali is added into the water soluble salt of cobalt which is used as a raw material,obtained precipitation of hydroxide of the cobalt is directly transferred into a high-pressure autoclave without filtration and reduced under the catalysis of a small quantity of palladium chloride below 180 DEG C in poor hydrogen (<1MPa), the reduzate is reduced by secondary consolidation hydrogen in a hydrogen reducing furnace after being filtered, washed and dried and then crashed under the protection of inert gas, and finally, the superfine cobalt powder which has the granularity of less than 0.5um, big specific surface, even distribution and single close-packed hexagonal structure or face-centered cubic structure is produced.

The invention relates to wook lubricating oil, a preparation method for the wook lubricating oil, and an application of the wook lubricating oil in improvement of fiber spinning performance. The wook lubricating oil comprises: a high molecular polymer, a softener, an emulsifier, an organic metal salt and an assistant agent, wherein the assistant is prepared through combination of a non-ionic surfactant and an anionic surfactant. The preparation method comprises: carrying out emulsifying and stirring for the raw materials to prepare the wook lubricating oil. The application method for improvement of the fiber spinning performance comprises: applying the wook lubricating oil on ceiba fiber or crystal cotton fiber at a temperature of 20-30 DEG C before the spinning process, then placing the treated ceiba fiber or the treated crystal cotton fiber in a room with constant temperature and constant humidity to carry out balancing for 12-48 hours; then carrying out dispersing and uniformly mixing, followed by carrying out the follow-up spinning process. The wook lubricating oil provided by the present invention has characteristics of easy washing and removal, environmental protection, simple operation of the apply method, energy saving, easy industrial production. In addition, with the wook lubricating oil provided by the present invention, the ceiba fiber or the crystal cotton fiber has better carding performance, bar forming performance and spinning performance; the spinning bottle neck of the fiber in the field of textile is overcome.

The invention provides a new method for preparing cyclodextrin (meth)acrylate, and relates to the field of a high-molecular monomer cyclodextrin derivative and particularly relates to cyclodextrin acrylate and a new preparation method thereof. The new method disclosed by the invention comprises the following steps: stirring and reacting in the presence of a catalyst by using cyclodextrin and an acylation reagent such as acryloyl chloride, methacryloyl chloride and the like; performing alcoholysis; precipitating; purifying by using methanol; performing vacuum drying to obtain cyclodextrin (meth)acrylate. The product can be polymerized with a monomer such as acrylic acid, or acrylamide and the like to obtain a high-molecular polymer like gel, and the high-molecular polymer can be applied to a medicinal preparation or an environmental material. The technical points of the new method disclosed by the invention are as follows: the operation is simple, convenient, rapid and free of pollution, energy is saved, the yield of the prepared product is high, the production cost is greatly lowered, and the new method is suitable for industrial production.

The invention discloses a soapberry liquid composition which comprises the following components in parts by weight: 3-8 parts of soapberry saponin rhamnolipid fermentation refined matters, 2-6 parts of soapberry saponin lactic acid fermentation refined matters, 3-5 parts of Chinese honey locust saponin alcohol fermentation refined matters, 0.02-0.5 part of Lipolase, 0.01-0.3 part of pectinase, 0.2-0.5 part of sodium chloride, 0.5-3 parts of sodium citrate and 70-90 parts of water. According to the invention, the fermentation refined matters substitute soapberry or Chinese honey locust extracting liquor, so that impurities such as saccharides and proteins in the extracting liquor can be converted into useful components of the detergent, and the stability of liquid products can be greatly improved at the same time; soapberry saponin lactic acid fermentation refined matters are complex of the saponin and a biological surfactant rhamnolipid, so that the defect that the surface activity of the soapberry saponin is worse than that of a synthesized surfactant is effectively overcome.

The invention relates to a PET (Polyethylene Terephthalate) reflective film, in particular to a method for removing the surface coating of a reflective PET aluminium plating film. The method is characterized by comprising the steps of: immersing the reflective PET aluminium plating film into a cleaning solution, and heating at the temperature of 40-100 degrees centigrade, rinsing by using clean water to remove the coating adhered on the PET surface, and airing to obtain the recyclable PET film. The recycled PET film is colourless and transparent on the appearance and has the intrinsic viscosity being about 0.723; the melt strength of the recycled PET film can satisfy requirements of PET extrusion-blown molding (bottle) or even extrusion blown film; and in the same extrusion technological conditions, the intrinsic viscosity of the PET film, which has a yellow appearance and is recycled by using the traditional method of hermetically boiling by using 20% caustic soda at high temperature for more than 24 hours, is reduced to about 0.564 and cannot satisfy the requirements of the extrusion-blown molding (bottle). The test in the invention proves that the method has the advantages of high-efficiency technology, time / water / electricity-saving performance, environment friendliness, zero discharge of waste water and practicability, is benefiical to realization of recycle of the reflective PET aluminium plating film, and is suitable for recycling and practical.

The invention provides a paper chip and a preparation method thereof. The preparation method comprises the following steps of: soaking a piece of filter paper in a prepolymer solution, wherein the prepolymer solution is a mixture of a prepolymer and a photoinitiator, the prepolymer contains an acrylic acid functional group or a methacrylic acid functional group, and the photoinitiator is capable of generating phenyl carbonyl free radicals under optical excitation; covering a photo-etched mask with default patterns on the surface of the soaked filter paper, and then placing the filter paper under ultraviolet light for exposure; cleaning the exposed filter paper by using methanol to obtain the paper chip. In the preparation method, the light-catalyzed free radical reaction between the prepolymer and the photoinitiator, in combination with a mask photo-etching technology, is used for constructing micro-fluid passages on a paper substrate. According to the preparation method, the environment-friendly prepolymer with good biocompatibility is mixed with the photoinitiator to prepare the prepolymer solution which replaces SU-8 photosensitive adhesive with high toxicity to serve as a fixed base material, and the characteristic of high accuracy of the mask photo-etching technology is combined, so that the environment-friendly paper chip and the preparation method thereof are developed.

The invention discloses conductive polyurethane superfine fiber suede leather and a preparing method thereof. The preparing method comprises the steps of drying superfine fiber suede leather at a temperature in a range of 80 DEG C to 140 DEG C for 5 to 30 minutes, and impregnating the superfine fiber suede leather in a conductive solution for 5 to 50 seconds, wherein, the liquor ratio is between 1:1 and 1:20; and drying the impregnated solution at a temperature ranging from 80 DEG C to 140 DEG C for 5 to 30 minutes to obtain the conductive polyurethane superfine fiber suede leather. According to the conductive polyurethane superfine fiber suede leather and the preparing method thereof, preparing processes are all basic processes of synthetic leather businesses, no special requirements are asked for devices and process conditions, and the prepared conductive polyurethane superfine fiber suede leather can be applied to products of electronic touch screen gloves and the like and has enormous market prospects.

The invention relates to a dye composition, in particular to a high washing fastness dispersed dark blue dye composition. The high washing fastness dispersed dark blue dye composition is composed of 35 % to 50 % of dispersed red, 20 % to 40 % of dispersed golden yellow, 10 % to 30 % of dispersed purple and 10 % to 30 % of dispersed yellow in a mixing mode, and the balance auxiliaries. The dispersed red is the combination of one or more kinds of compounds shown in a formula (1); the dispersed golden yellow is the combination of one or more kinds of compounds shown in a formula (2); the dispersed purple is the combination of one or more kinds of compounds shown in a formula (3), and the dispersed yellow is the combination of one or more kinds of compounds shown in a formula (4); when the high washing fastness dispersed dark blue dye composition is used for dyeing of spandex fabrics, the dyeing effect is good, the color fastness is good, and the quality of the spandex fabrics can be greatly improved.

The invention discloses an antifouling fiber structure, which is obtained by applying a treatment liquid containing a hydrophilic and oil-repellent processing agent and a softener to the fiber structure, and then performing heat treatment. The hydrophilic and oil-repellent processing agent is composed of a fluorine-based A vinyl monomer, a copolymer of a hydrophilic vinyl monomer containing polyalkylene glycol and a non-polyalkylene glycol-based vinyl monomer, and the softener is composed of a nonionic surfactant aqueous solution constitute. Thereby, cloth with good washing durability can be provided. The method of the present invention can be combined with various processing such as anti-wrinkle processing, skin care processing, antibacterial processing, and softening processing.

The invention discloses a method for extracting low-methoxy pectin from apple pomace, comprises the following steps: washing apple pomace by using water at 30-40 DEG.C, microwave treating at 380-500 W and then filtering, microwave drying, the filtered apple pomace, stoving and crushing to obtain apple pomace powder, mixing the apple pomac powder and acid water to perform microwave treatment at 480-500 W, concentrating centrifuged supernatant as concentrated solution, pouring the concentrated solution in an upright filled with active carbon, and collecting the filtrate; heating the filtrate to 5-10 DEG.C, adding alkali solution to regulate the pH value, adding the acid water in the obtained pectin concentration solution to regulate the pH value to 3-5, adding ethanol water in the pectin concentrated solution, mixing, standing and centrifuging to obtain the precipitate, washing by using the ethanol water for 7-8 times, washing, precipitating, vacuum freezing and drying to obtain a substance, namely, the low-methoxy pectin. The process is coherent and simple, the required reagent is reagent in common use, low in cost and easy to purchase; the extracting rate can achieve 7.9-9.4%, the esterfication degree is 38.7-41.4%, and the galacturonic acid content is 72-82%.

The invention relates to a preparation method of cefdinir. According to the invention, under the effect of triethylamine, 7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]octa-2-alkene-2carboxylic acid is subject to a reaction with (Z)-2-(2-aminothiazole-4-group)-2-acetyl oxyimino thioacetic acid(S-2-benzothiazole), such that a cefdinir ester liquid is obtained; the cefdinir ester liquid is extracted; an organic solvent is added to the cefdinir ester liquid; acetyl is removed by alkaline hydrolysis; sylvite of a weak acid is added to the liquid, the pH value is controlled, such that cefdinir sylvite is obtained; the sylvite is dissolved by using water; an organic solvent is added to the solution; the pH value is regulated, such that cefdinir is obtained. With the method, yield and quality are substantially improved; crystal form of the product is stable; and the method is suitable for industrialized productions.

The invention discloses a water ceramic pigment and a production method thereof. The pigment consists of pigment base slurry and coloring material, wherein the pigment base slurry comprises water-soluble polyurethane resin, water-soluble acrylic resin, a pH regulator, dipropylene glycol butyl ether, antifoaming agent, flatting agent, thickener, ammonia water and other components. The water ceramic pigment can be directly used to draw pictures on the surfaces of smooth disks or other porcelain and glass products, does not need baking or drying, and is resistant to wash.

The invention discloses a method for producing high-purity magnesium hydroxide, high-purity magnesium oxide and high-purity magnesia series magnesium products by using salt lake brine. Purified salt lake brine is used as a raw material, high-purity magnesium hydroxide and high-purity basic magnesium carbonate are respectively prepared by two-stage magnesium precipitation reaction of ammonia and ammonium bicarbonate, and the total conversion efficiency of magnesium reaches 97-98%. The high-purity magnesium hydroxide is further processed to produce high-purity ultrafine magnesium hydroxide, high-purity heavy magnesium oxide, high-purity ultrafine magnesium oxide, high-purity sintered magnesia, high-purity fused magnesia and other products; and the high-purity light magnesium oxide product isproduced by further processing the high-purity basic magnesium carbonate. Ammonia vapor is obtained from an ammonium chloride mother liquor, obtained after basic magnesium carbonate is separated through two-stage magnesium precipitation, by adopting a lime milk reaction ammonia distillation process, and the ammonia vapor is conveyed into a system for producing magnesium hydroxide through one-stage magnesium precipitation reaction after being cooled by a corrugated pipe condenser and compressed and pressurized by an ammonia compressor, so that cyclic utilization of ammonia is realized. An ammonia distillation waste liquid is used for recovering high-quality anhydrous calcium chloride byproduct.

The invention relates to a manufacturing technology of a chip-free RFID label, which comprises the steps of printing an antenna and a resonance circuit pattern on a piece of transfer paper; transferring a conductive metal onto a base material surface through vacuum vaporization method; transferring the printing of the antenna and the resonance circuit pattern on the transfer paper onto the base material surface; drying the base material with the antenna and the resonance circuit pattern; washing the conductive metal on the base material apart from the antenna and the resonance circuit pattern through a solvent; washing a printing layer on the base material surface apart from the antenna and the resonance circuit pattern through a washing lotion until the antenna and the resonance circuit are fully exposed; and plane polishing and levelling the exposed antenna, removing chips and overlaying film for packaging to obtain a chip-free RFID label. According to the manufacturing technology of the chip-free RFID label, the RFID label cost is greatly reduced; a chip-free RFID label can be obtained; advantages like excellent flexibility resistance and good toughness, low manufacturing cost and simple and good operation technology are provided; and wide application prospect is provided.

The invention discloses a technical method for preparing superfine cobalt powder in a close-packed hexagonal structure or a face-centered cubic structure by hydrogen reduction, and belongs to the technical field of the preparation of metal powdered material. The invention comprises the following steps: excessive alkali is added into the water soluble salt of cobalt which is used as a raw material, obtained precipitation of hydroxide of the cobalt is directly transferred into a high-pressure autoclave without filtration and reduced under the catalysis of a small quantity of palladium chloride below 180 DEG C in poor hydrogen (<1MPa), the reduzate is reduced by secondary consolidation hydrogen in a hydrogen reducing furnace after being filtered, washed and dried and then crashed under the protection of inert gas, and finally, the superfine cobalt powder which has the granularity of less than 0.5um, big specific surface, even distribution and single close-packed hexagonal structure or face-centered cubic structure is produced.

The invention discloses an adsorption material capable of adsorbing heavy metals by using modified silk, and a preparation method of the adsorption material. The preparation method comprises the followings steps of: (1) preparing a tannin-containing aqueous solution with a concentration of 1 to 20g / L by a conventional method; (2) at a temperature of 20 to 40 DEG C, impregnating frison with the tannin aqueous solution for 48 hours according to a solid-liquid ratio of 1:1, taking the frison out and cleaning the frison with water; (3) drying the frison at a temperature of 60 DEG C to obtain the adsorption material, and adding the tannin into the solution appropriately so that the solution is repeatedly used; and (4) after adsorption saturation reaches a leakage point, taking 0.01mol / L acidic solution as an eluent to flow through an adsorbent at a flow rate of 1BV / h, and washing with water until the pH value is 5 so as to complete the regeneration of the adsorbent. The adsorption material and the preparation method of the adsorption material disclosed by the invention have the advantages that: the raw material source is wide; the preparation method of the adsorbent is simple and easy to implement without discharge of 'three wastes' (waste gas, waste water and waste residues); the tannin has stronger chelating ability on common heavy metals, quicker adsorption rate on the heavy metals, and is simple and convenient for eluting of reclaimed rubber; and the method is strong in practicality and low in cost.

The invention discloses a hair dye composition. The hair dye composition is prepared from a first component and a second component; the first component is prepared from a hair dye pigment intermediateand a first accessory; the hair dye pigment intermediate is one of 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid or a mixture of the two; the second component is prepared from an oxidizing agent, metal ions and a second accessory. Through the above mode, the hair dye composition is capable of ensuring that a melanin component is fixedly loaded on the surface of hair better, and not easily washed away by water, has a very good hair dyeing effect, has no toxic and side effects nearly after applied to human hair, and has very high safety performance.

The invention belongs to the technical field of methods for producing ferroferric oxide, and particularly relates to a method for producing ferroferric oxide with chemical activity. The invention aims to provide the method for producing the ferroferric oxide with chemical activity. The method comprises the following steps of: (1) adding strong acid ammonium salt in an amount which is 0.35 to 0.40mol / L ammonium content of the reaction solution into ferrous sulfate solution, heating the solution and mixing the solution uniformly; (2) adding sodium hydroxide solution into the reaction solution to control the ferrous content of the reaction solution at 3 to 9g / L, then adding a catalytic reducing agent in an amount which is 4 to 5 percent of the weight of the ferrous iron in the reaction solution into the solution, and continuously reacting the solution for 20 to 40 minutes; (3) performing filtration, washing and drying to obtain solid; and (4) after the solid obtained in the step (3) is crushed, conveying the crushed solid into a reduction furnace and reducing the solid to obtain the ferroferric oxide with chemical activity. The ferroferric oxide produced by the method has high chemical activity, low impurity content and good stability, and is convenient for industrialized implementation.

The invention provides anhydrous stemming based on waste utilization and a preparation method of the anhydrous stemming based on waste utilization. The anhydrous stemming comprises, by mass, 10-30% of aluminiferous aggregate, 5-25% of alumina-carbon granular wastes, 3-8% of alumina-carbon powdery wastes, 10-25% of silicon carbide, 2-10% of coke, 5-18% of ferro-silicon nitride, 5-15% of fine aluminiferous powder, 3-15% of clay, 2-8% of kyanite, 2-5% of high-temperature pitch and 10-25% of binding agent. The anhydrous stemming based on waste utilization, prepared from the alumina-carbon granular wastes and the alumina-carbon powdery wastes substituting for part of the raw materials, has the advantages of low cost, high quality, good plasticity, easiness in trepanning and resistance to washing and erosion.

Provided is a shatterproofing member including a pressure-sensitive adhesive layer convertible into an adhesive layer, which allows adherends to be instantly fixed to each other, allows the adherends to be reattached to each other, is excellent in processability such as being able to be cut into a sheet shape, is not peeled from the adherends even when exposed to a high-temperature atmosphere such as one in a fire, and can express shatterproof property when attached to an adherend that is broken by combustion such as glass even if exposed to combustion during a fire or the like. The shatterproofing member including a pressure-sensitive adhesive layer convertible into an adhesive layer includes: a pressure-sensitive adhesive layer convertible into an adhesive layer; and a flame-resistant material, in which the pressure-sensitive adhesive layer convertible into an adhesive layer has pressure-sensitive adhesive property before being sintered, and has adhesive property after being sintered.

The invention discloses a mortar cutting fluid for cutting sapphire wafers, which is formed by mixing a grinding material and cutting oil, wherein the grinding material is diamond micro powder of which the particle size is 4 to 12 micrometers; and the normal-temperature viscosity of the cutting oil is 20 to 50mpa.s. The diamond micro powder accounts for 4 to 20 percent of the weight of the mortar cutting fluid. The mortar cutting fluid prepared by the invention can be used on multi-line cutting machines of crystals for processing the sapphire wafers. The cutting of the sapphire wafers by using the mortar cutting fluid has the advantages of high cutting efficiency, high cutting precision, small equipment investment, small cutting loss and low cutting cost.

The invention relates to Chinese and western medicament compound cream for preventing and treating onychomycosis infected by candidiasis albrican and a preparation method thereof. The cream is yellow cream formed by evenly dispersing mixture of a Chinese medicament extract and a western medicament in a substrate by use of the action of a mixed emulsifying agent. The cream prepared by the method has the advantages of even dispersed main medicament, even and smooth cream, proper viscosity, as long as easily coating on skin, mucous membrane and wound surface, and meeting the requirement of Chinese pharmacopoeia with controllable quality. Pharmacodynamic research proves that the cream has actions of preventing and treating the onychomycosis infected by Candida albicans, and has assistant treatment action on secondary inflammation because of mycotic infection, such as whitlow.

The invention relates to a terminal fisheye contour forming process. The process includes the steps of 1, taking a substrate and pre-cutting terminal fisheye contours on the substrate; 2, sending the substrate with the precut fisheye contours to a piercing station for piercing, and allowing the terminal fisheye contours and waste to be incompletely pierced after piercing; 3, sending the pierced substrate to a fisheye waste ejection station to punch off the waste, thus obtaining the terminal fisheye contours; 4, sending the substrate with the waste punched off into a chamfering station for chamfering, and chamfering to obtain four rounded angles of each terminal fisheye contour. The terminal fisheye contours formed by the process are smooth and flat with no bur edge, the formed terminal fisheye contours are precise in size with low fluctuation, chamfers are smooth with small errors, and stripping is easy.