39results about How to "Good co-solubility" patented technology

The invention provides a preparation method of oxidative cationic modified starch slurry, which comprises the following steps of: firstly, dissolving starch into water to prepare starch milk; secondly, using an oxidant namely sodium hypochlorite to perform oxidation reaction with the starch to obtain oxidized starch; thirdly, removing chlorine; fourthly, adopting a cationic etherifying agent to perform etherification reaction; and finally, performing dehydration and drying. When the modified starch prepared from the starch serves as the slurry, the slurry not only has the characteristics of high fluidity, low viscosity and high concentration usage of oxidative starch slurry, but also solves the problem that the oxidative starch has poor thermal stability through quaternary ammonium etherification, and simultaneously, the slurry additionally obtains the following advantages that: the adhesiveness to a warp is significantly improved; the serous membrane forming capacity is strong, and the slurry is difficult to break and burst; the paste viscosity is stable, and the fluidity is good; the slurry has certain hygroscopicity, and has high co-solvency with a synthetic slurry; a membrane is easy to be dissolved in water, and is easy to desize; and paste solution has high thermal stability, is not influenced by high heat fusing, and the like.

The invention discloses a building brickwork and a masonry construction method of the building brickwork, and relates to a building brickwork of a building. The building brickwork is a brickwork which is built by light-weight aggregate concrete composite blocks; grooves and tongues are formed in the periphery of each light-weight aggregate concrete composite block; the light-weight aggregate concrete composite blocks are respectively 600-1200mm in length, 300-600mm in height and 80-200mm in thickness; the grooves are downward and the tongues are upward in field masonry; and the masonry construction method comprises the following steps: (1) building the brickwork by the blocks, namely building the first block on a foundation or floor ground, building the second composite block in a manner of being staggered with the first block, wherein the staggered-joint is 1/2 of the length of the block and is not smaller than 200mm at least; the composite block brickwork is connected with a building structure column and a concrete shear wall; the composite block brickwork is connected with building structure beams and plates; the building brickwork is subjected to deformation joint construction; a parapet wall is subjected to masonry construction; a switch socket is pre-buried and installed; and cable pipelines are laid; (2) fixing door frames and window frames; and (3) building a wall body corner structure by the light-weight aggregate concrete composite blocks.

The invention provides a solar silicon wafer cleaning agent including 1 wt%-15 wt% of heterogeneous alcohol polyoxyethylene ether, 1 wt%-15 wt% of propanediol ether, 0.5 wt%-10 wt% of ethylene diamine tetraacetic acid tetrasodium salt, greater than zero and less than or equal to 10 wt% of an anionic surfactant, greater than zero and less than or equal to 20 wt% of a pH regulator, and the balance being water. The anionic surfactant and heterogeneous alcohol polyoxyethylene ether are adopted to compound, so that the cleaning agent has stronger cleaning ability; propanediol ether is selected as a solvent, and the kind of solvent is an organic solvent with low toxicity and no stimulation; meanwhile, ethylene diamine tetraacetic acid tetrasodium salt is also selected as a metal ion complexing agent, and copper, iron and other metal ions on the surface of a silicon wafer can be effectively removed; and finally, the pH regulator is selected to adjust the pH value of the cleaning agent, oil stains on the surface of the silicon wafer are effectively removed, and the cleaning effect is lasting and durable.

A nematic liquid crystal composition comprising compounds of the general formulas (I-1) to (I-5) each having naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl and 1,2,3,4-tetrahydronaphthalene-2,6-diyl, and a liquid display device using the same. This nematic liquid crystal composition broadens the operating temperature range of liquid crystal display characteristics due to an improvement in co-solubility and storage at low temperature, thereby making it possible to improve a reduction in driving voltage and a change in temperature and to attain comparatively fast response characteristics for a predetermined driving voltage. Accordingly, the nematic liquid crystal composition is best suited for use as TN, STN, TFT, IPS, MVA, OCB, ECB, PC, PNLC, PDLC, PSCT or the like.

The invention provides a method for preparing modified starch by oxidation and succinic anhydride esterification. The method comprises the following steps of: dissolving starch into water to form starch milk, performing oxidation reaction on sodium hypochlorite oxidant and starch to obtain oxidized starch, then removing chlorine, performing esterification reaction by adopting succinic anhydride, and finally dehydrating and drying the reaction product to obtain the modified starch. When the modified starch prepared by the method is used as starch size, the modified starch has the properties of good fluidity, low viscosity and high-concentration use of the oxidized starch; and because the succinic anhydride esterification solves the problem of poor thermal stability of the oxidized starch, the modified starch has the advantages that: adhesion of warps is remarkably improved; a size film has strong forming capability, good mechanical strength and extensibility; the paste has stable viscosity and good fluidity; the size has certain moisture absorption property; the modified starch has good co-solvency with a synthetic size; the film is easy to dissolve in water, and de-sizing is easy; and the paste has high thermal stability, is not affected by high-temperature melting and the like.

The invention discloses effective gentle makeup-removing micelle liquid. The effective gentle makeup-removing micelle liquid comprises, by weight, 15%-30% of makeup-removing components, 0.15%-1.0% of additives and the balance aqueous phase components, wherein the makeup-removing components are composed of babbasu seed oil glycerinum-8 esters and dipropylene glycol. Aggregate mass point particles with the size identical to that of colloid are automatically formed by the babbasu seed oil glycerinum-8 esters, and therefore the micelle liquid is formed, the performance of a surface active agent of the micelle liquid is thoroughly achieved, and the dissolving capacity of the micelle liquid to common grease of makeup products is good; the dipropylene glycol can be well dissolved in a micelle liquid system, so that micelle formed in water by the babbasu seed oil glycerinum-8 esters is more balanced and stable and the makeup-removing capacity of the micelle liquid is well improved. According to the effective gentle makeup-removing micelle liquid, allergic and stimulated phenomena and the like of a user are avoided and use is safe; the micelle liquid is remarkable in gentle and effective makeup-removing effect.

The invention relates to an electrothermal organic electrode slurry for a heater. The slurry comprises the following main components in percentage by weight: 5-30% of epoxy modified high polymer, 2-6% of flame-retardant temperature-resistant high polymer, 3-6% of latent curing agent, 1-2% of latent curing promoter, 5-10% of silicon modified high polymer, 50-70% of superfine metal powder conductive filler, 1-3% of antioxidant assistant, 0-5% of base metal alloy powder conductive filler and a small amount of functional auxiliary phase. The invention solves the problem that the ordinary slurry is difficult to realize thin type, light type or special type, has the characteristics of low-temperature curing and high-temperature use, ensures direct printing or spraying and satisfies the technical development requirements of small type, thin type, light type (shape and application) and special type of the electric heater.

The invention discloses a method for preparing a coke-making briquette, which comprises the following main steps: 1. waste rubber particles and waste plastic particles are added into anthracene oil according to the proportion and are heated and dissolved, then tar slag and road construction oil are added according to the proportion and are heated and stirred to produce briquette adhesive; 2. the briquette adhesive is added into mixed coal according to the proportion, and a small amount of water is added to be mixed and stirred to produce briquette pug containing certain moisture; and 3. the briquette pug is sent to a briquette machine and is pressed into briquette blocks, and a finished product of the coke-making briquette can be obtained when the briquette blocks are air-dried until the content of the moisture is between 8 and 10 percent. The method utilizes the tar slag, waste rubber, and waste plastic to produce the briquette adhesive, and provides a new way for the reasonable utilization of the tar slag, the waste rubber and the waste plastic; and the tar slag, the waste rubber, the waste plastic and coal all have macromolecular structures consisting of C and H elements and have better cosolvency, thereby contributing to improving the quality and yield of coke after the co-carbonization.

The invention discloses a recycling utilization technology of an old asphalt mixture of a high type asphalt pavement. According to the invention, for the chemical composition change condition of the old asphalt mixture in the asphalt pavement, saturates, aromatics, colloids and asphaltenes in the asphalt are analyzed by a component method; the missing part in the old asphalt is adjusted by adding an activator according to the change of each component of the aged asphalt; the component transfer problem (commonly known as aging) of the old asphalt material in the asphalt pavement is solved from the aspect of recovering the chemical components of the old asphalt; as a result, the chemical components of the old asphalt material are re-activated, the old asphalt mixture is caused to obtain new technological performance, the original mechanical properties and pavement performance indicators of the old asphalt mixture are recovered, and the old asphalt mixture can be better utilized by pavement engineering again.

The invention discloses a method for simultaneously and quantitatively detecting contents of melamine and cyanuric acid. By discoverying a sovlent capable of greatly codissolving melamine and cyanuric acid under the condtion of non-strong acid and strong base, detection results are truthful and accurate. According to the method, preparation of a sample is simple to operate, good mutual solution of melamine and cyanuric acid can be realized, and an experimental base is provided for accurate measurement of contents of melamine and cyanuric acid. An instrument used in the method is a high performance liquid chromatograph (HPLC). The equipment is cheap and easily available in comparison with equipment used in liquid chromatography tandem mass spectrometry. In addition, a solvent and a mobile phase used in the invention cause little damage to a chromatographic column of the instrument. The detection process is rapid and economic. The method is applied in simultaneously and quantitatively detecting contents of melamine and cyanuric acid, and obtained detection results are accurate and credible. The method is suitable for large-scale sample detection and is also suitable for various samples which require detection of protein content.

The invention discloses silicon carbide-ruthenium resistance slurry. The silicon carbide-ruthenium resistance slurry comprises a functional phase and an organic carrier, wherein the functional phase comprises ultrafine ruthenium powder, ultrafine silicon carbide powder and lead-free glass powder; the organic carrier comprises resin, a solvent and additives; the resin is ethylcellulose; the solvent is one or mixture of two of butyl carbitol, terpilenol and a DBE solvent; and the additives comprise a liquid defoaming agent, a liquid flatting agent and a lubricating dispersing agent. The invention also discloses a preparation method for the silicon carbide-ruthenium resistance slurry. The silicon carbide-ruthenium resistance slurry is high in dispersity and cosolvency, high in adhesive force with a base material, excellent in temperature resistance, safe to use, and low in preparation cost.

The invention relates to an industrialized production method for producing multielement copolymerization chlorinated polyethylene through water phase grafting. The method comprises the following steps: taking polyethylene powder as the raw material, and adding the raw material into an aqueous solution containing an emulsification promoter, a dispersion separation agent and an activation initiator; making the polyethylene powder be in a suspended state under the action of stirring, and linking up functional groups with the molecular chain of polyethylene before chlorine is introduced to have a chlorination reaction. The method comprises the following key points: the functional groups can be four functional groups, namely a carboxyl functional group, a hydroxyl functional group, an ester functional group and a carbonyl functional group, and the number of the grafted functional groups can be 15 to 25 percent of the weight of polyethylene; then a certain proportion of chlorine is respectively introduced through three temperature sections, and the chlorination reaction is carried out in the same glass lining reaction kettle so as to finally obtain the multielement copolymerization chlorinated polyethylene with the chlorine content of 70 to 80 percent; and the raw material of polyethylene has the molecular weight of 3,000 to 5,000. The method causes no pollution on the ambient surroundings, and has the short reaction time and convenient operation. The method is suitable for the large-scale production, and has lower cost and great economic benefits.

The invention relates to the technical field of cosmetics, in particular to a human-like collagen mask solution and a preparation method thereof. The human-like collagen mask solution is prepared fromcomponents in percentage by mass as follows: 0.08%-0.12% of Carbomer 940, 0.09%-0.12% of hydroxyethyl cellulose, 1%-2% of human-like collagen, 0.5%-1% of collagen peptide, 3.8%-4.2% of dipropylene glycol, 1.8%-2.1% of propylene glycol, 1.8%-2.2% of glycerin, 3%-5% of a sodium gualenate solution, 0.4%-0.6% of GC-04, 0.09%-0.11% of triethanolamine, 0.01%-0.02% of essence and 82.53%-87.43% of deionized water. The human-like collagen mask solution can have better anti-wrinkle and repairing functions and can reduce harm of ultraviolet rays to skin.

The invention discloses a safe, environmental-protection and high-efficiency silicon wafer cleaning agent comprising the raw materials: N-methyl-pyrrolidone, anhydrous sodium carbonate, sodium metasilicate, a Dynol604 surfactant, a Surfnol465 surfactant, a Surfnol104 surfactant, a low-foaming surfactant, fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene, dihydroxyethyl-trihydroxymethyl imine methane, nitrilotriacetic acid, OP-10, sodium dodecyl benzene sulfonate, sodium diethylhexyl sulfosuccinate, hexafluoropentanedione, beta-diketone, Twain 80, triethanolamine, quaternary ammonium base, diethylene glycol monomethyl ether, ethylene glycol monomethyl ether and deionized water. The invention also provides a preparation method of the safe, environmental-protection and high-efficiency silicon wafer cleaning agent. The silicon wafer cleaning agent has the advantages of good cleaning effect, high safety, environmental protection and no pollution.

The invention relates to cleansing water having no irritation to eyes and a preparation method thereof. Cleansing components of the cleansing water having no irritation to eyes comprise polyglycerol-10 laurate, di(PPG (Poly Propylene Glycol))-2-nutmeg oleyl alcohol polyether-10)adipate and 1,3-propylene glycol. The preparation method of the cleansing water comprises the following steps: S1, adding raw materials of an auxiliary agent component into a stirring pot and heating to 80 DEG C to 85 DEG C; stirring and dissolving uniformly; then keeping the heat for 30 minutes; cooling to 40 DEG C to 45 DEG C; S2, adding raw materials of the cleansing components into the stirring pot and stirring and dissolving uniformly; S3, adding raw materials of a preservative component into the stirring pot, and stirring and dissolving uniformly. According to the cleansing water, the polyglycerol-10 laurate, the di(PPG-2-nutmeg oleyl alcohol polyether-10)adipate and the 1,3-propylene glycol are combined to realize an efficient cleansing effect and excessive degreasing on skins is not caused. The polyglycerol-10 laurate can give full play to a cleansing capability at the ratio, and has a synergistic effect with the 1,3-propylene glycol.

The invention discloses an alcohol-free mosquito-repelling and itching-relieving spray and a preparation method thereof The mosquito-repelling and itching-relieving spray comprises the following components in mass percentages: 0.05%-2% of cymbopogon citratus essential oil, 0.05%-1.5% of folium artemisiae argyi essential oil, 0.02%-0.8% of calamus oil, 0.5%-2% of wintergreen oil, 0.1%-1% of borneol, 0.1%-0.5% of menthol, 2%-8% of dipropylene glycol, 2%-5% of cyclodextrin or cyclodextrin derivatives, 0.5%-2% of a liquorice extract, 1%-8% of butanediol, 0.2%-1% of a preservative and the balance deionized water. The alcohol-free alcohol-free mosquito-repelling and itching-relieving spray has a mild effect, is free of toxic and side effects, safer to use and free of irritation, avoids harm of ethyl alcohol to the skin, and is particularly suitable for children, women and people allergic to the ethyl alcohol under a condition of meeting a mosquito-repelling requirement.