100 results about "Methyl-hydroxypropyl-cellulose" patented technology

A gypsum-based mortar for plastering is prepared from semi-hydrated gypsum, quartz sand, Ca(OH)2, powdered coal ash, slag, lime stone, hoolamite, volcanic dregs, haydite, polystyrene foam, expanded pearlite, zeolite, and ethene-vinyl acetate copolymer resin. Agypsum-based mortar for automatic leveling is prepared from semi- hydrated gypsum, quartz sand, Ca(OH)2, powdered coal ash, slag, lime stone, ethene-vinyl acetate copolymer resin, methyl hydroxyethyl (or hydroxypropyl) cellulose ether, sulfonated cyanuramide-formaldehyde resin and gluconate.

The invention relates to the technical field of biodegradable polymeric materials, in particular to a biodegradable preservative film and a preparation method thereof. The biodegradable preservative film is mainly prepared from the following raw materials in parts by weight: 50-65 parts of PBAT, 15-30 parts of modified starch, 20-40 parts of polylactic acid, 3-10 parts of a biodegradable aliphatic-aromatic copolyester, 3-10 parts of hydroxypropyl methyl cellulose ether, 2-8 parts of nano talcum powder, 0.1-0.5 part of a chain extender, 0.2-0.8 part of an antioxidant, and 0.2-0.6 part of a lubricant. Through the synergistic effect of all the components, the cost is lowered greatly while tenacity, plasticity, strength and degradability of a preservative film product are improved, and thus scale production and application are facilitated.

The invention belongs to the technical field of metal organic skeleton material forming and discloses a preparation method of the spherical forming Cu base metal organic skeleton-graphene oxide composite material. The method comprises the following specific steps: proportionally mixing water, methyl hydroxypropyl cellulose and silicate resin with Cu base organic skeleton-graphene oxide composite porous material powder which is synthesized by using a mechanical ball milling method so as to obtain a mixture, adding the mixture into a pelletizer, pelleting, and drying, so as to obtain the spherical forming Cu base metal organic skeleton-graphene oxide composite material. The spherical forming Cu base metal organic skeleton-graphene oxide composite material prepared by using the preparation method has the advantages of relatively large surface area, open pore structure and the like and has the special appearance, volume, mechanical strength, toughness and water resistance which are necessary for an actual industrial application.

Described is a process of preparing alkylhydroxyalkyl cellulose, e.g., methylhydroxypropyl cellulose (MHPC). The process includes: (a) alkylating cellulose with an aqueous caustic solution containing from 1.5 to 5.5 equivalents of alkali metal hydroxide, e.g., NaOH, per anhydroglucose unit (AGU) of said cellulose, in the presence of a suspension agent, e.g., dimethyl ether, which contains alkyl halide, e.g., methyl chloride, in an amount of from (equivalents of alkali metal hydroxide per AGU minus 1.4) to (equivalents of alkali metal hydroxide per AGU plus 0.8); (b) reacting the alkalised cellulose of step (a) with one or more alkylene oxides, e.g., propylene oxide, at a temperature higher than 65° C., e.g., 85° C.; (c) adding alkyl halide, to the product of step (b), in an amount of at least the difference between (i) the equivalents of alkyl halide per AGU in step a) and (ii) the equivalents of alkali metal hydroxide added per AGU in step (a), provided that the amount of additionally added alkyl halide is at least 0.2 equivalents per AGU; and (d) isolating alkylhydroxyalkyl cellulose from the reaction mixture of step (c). Optionally the isolated alkylhydroxyalkyl cellulose may be purified.

The invention relates to the technical field of materials for construction industry, in particular to composite silicate heat preservation mortar. The invention adopts the following technical scheme that the mortar comprises the following raw materials in weight ratio: 45-65 percent of composite portland cement, 34-54 percent of glazed hollow bead, 0.5-2 percent of dispersible rubber powder, 0.1-0.6 percent of hydroxypropyl methyl cellulose, 0.5-1.2 percent of fiber and 0.1-0.4 percent of organic silicon waterproof powder. When in construction carried out by adopting the mortar produced by the technical scheme, an on-site construction mode can be adopted, and water is directly added to the mortar for stirring and then the mortar can be used. The stirred material can be directly constructed to a dry wall body; the construction performance is superior and the construction process is simple; and the construction efficiency can be greatly improved and the construction cost of a construction is reduced.

The invention discloses alluvial plain karst developing district drilling pile formation wall protection mud which is prepared from the components in parts by mass: 100 parts of water, 6-10 parts of clay, 5-14 parts of sodium bentonite, 0.2-0.3 part of sodium carbonate, 0.002-0.005 part of polyacrylamide, 0.5-0.6 part of carboxymethyl hydroxypropyl cellulose, 0.6-0.9 part of water glass, 0.1-0.3 part of ferric chromium lignin sulfonate, 0.1-0.3 part of barite powder and 0.25-0.5 part of potassium humate. The mud prepared by the invention is suitable for an alluvial plain karst developing district drilling pile formation technology and lowers the probability of occurrence of safety accidents of drilling pile formation. A result of interaction of the mud and a stratum is changed by changingthe performance index of the mud, so that the safety coefficient of construction is increased, and the technical defect of drilling a complex strata is made up.

The invention discloses a simulated stone dry powder coating and a construction method thereof. The simulated stone dry powder coating is prepared from the following raw materials in percentage by weight: 30-35% of Portland cement, 5.0-10% of VAE emulsion powder, 5.0-10% of light calcium oxide, 0.1-0.3% of polyacrylamide, 0.4-0.6% of lignocellulose, 0.2-0.4% of hydroxypropyl methyl cellulose ether, 0.1-0.3% of water reducer, 5.0-30% of quartz powder, 5.0-30% of quartz sand, 10-30% of color sand, 1.0-10% of rock slice and 0.0-3.0% of color powder. The simulated stone dry powder coating can generate a visual effect of a stone, can generate a texture effect of the stone, can be directly constructed in a dry powder manner and is simple in construction and environmentally friendly.

The invention discloses environment-friendly water-based anticorrosive paint. The paint comprises the following raw materials in part by weight: 70-76 parts of styrene-acrylic emulsion, 26-35 parts of water-based acrylic emulsion, 2-3 parts of ethylene glycol monobutyl ether, 2-3 parts of sodium carboxymethyl cellulose, 3-4 parts of alcohol, 3-4 parts of sorbitol, 2-3 parts of hydroquinone, 1-2 part (s) of pyrogallic acid, 3-4 parts of EXTylene Diamine Tetra (MeXTylene Phosphonic Acid) Sodium, 2-3 parts of oxalic acid, 1-2 part (s) of malic acid, 1-2 part (s) of modified adhesive, 0.5-0.7 part of Methylbenzotriazole, 0.1-0.3 part of methyl hydroxy propyl cellulose and a proper amount of deionized water. The environment-friendly water-based anticorrosive paint has excellent comprehensive performances, such as adhesive force and corrosive resistance, to a base body, can completely replace coating pretreatment processes, such as sand blasting and shot blasting, and provides long-term efficient protection to rusty iron steel surfaces which are not subject to pretreatment, thereby not only remarkably prolonging the service life of anticorrosion finish paint but also achieving a simpler and more efficient, economical and environment-friendly anticorrosion coating process.

The invention discloses a paper production process and its product. The production process provided by the invention mainly comprises a refining step, a slurry forming step, a paper making step, a drying step, a glue applying step and a finishing processing step. Before paper making of a slurry, carboxymethyl hydroxypropyl cellulose (CMHPC) is added into the slurry, wherein carboxymethyl hydroxypropyl cellulose (CMHPC) accounts for 0.01-3.0wt% of the dry weight of paper pulp. A few CMHPC is added into finished paper obtained by the above technology. As CMHPC is an auxiliary agent and has properties similar to CMC, and hydroxypropyl group is introduced into the chemical auxiliary agent, CMHPC comprises carboxymethyl and hydroxypropyl. Nonionic polar group is introduced into a carboxymethyl cellulose molecular chain, thus maintaining original properties of CMC and simultaneously further promoting fiber dispersion to improve drainage and retention and raise paper strength.

The invention relates to the technical field of biodegradable polymer materials, in particular to a biodegradable material for a preservation box, the preservation box and a preparation method of thepreservation box. The biodegradable material is prepared from 25-40 parts of modified starch, 40-60 parts of polylactic acid, 5-15 parts of biodegradable aliphatic-aromatic copolyester, 5-15 parts ofmethyl hydroxypropyl cellulose ether, 5-10 parts of nano talc powder, 0.1-0.5 part of a chain extender and 0.2-0.8 part of zinc stearate. According to the biodegradable material for the preservation box, the preservation box and the preparation method of the preservation box, through the synergistic effect of all components, the cost is greatly reduced while improving the toughness, plasticity anddegradability of products, the amount of various additives in the raw materials is small, and the use amount of the modified starch is larger, so that the cost is reduced while improving the performance of the products, and it is conducive to large-scale production and application.

The invention discloses an anti-corrosion energy-saving heat preservation material and a preparation method thereof. By taking sepiolite, mica powder, bentonite, sorbitol fatty acid ester and triallyl isocyanurate as main components and by adding ethyl O-methyl benzoate, fibre brucite, lauryl dimethyl amine oxide, polytrimethy terephthalate fiber, 2,4-diaminobenzenesulfonic acid, diethylene phosphate, sodium methyl hydroxypropyl cellulose, an adhesive, a surfactant and distilled water, under the assistance of processes of ball grinding, vacuum stirring, heating stirring, pressing forming and the like, the prepared heat preservation material is excellent in acid and alkali resistance and good in heat preservation effect, can meet the requirements of the industry and has a relatively good application prospect.

The invention provides a quick-hardening anti-seepage joint mixture. The quick-hardening anti-seepage joint mixture is prepared from, by weight, 7-15 parts of high-alumina cement, 30-45 parts of ordinary portland cement, 2-10 parts of gypsum, 60-65 parts of quartz sand, 1-3 parts of a water repellent, 0.2-0.8 part of methyl hydroxypropyl cellulose ether, 7-9 parts of redispersible latex powder, 0.2-1.0 part of a water-soluble organic compound early strength agent and 0.05-0.2 part of an alkyl-carboxyl retarder. By bonding the components of ordinary portland cement, high-alumina cement and gypsum and adding a series of additives such as the water repellant and a water reducer, the quick-hardening anti-seepage effect of the joint mixture can be achieved. The bonding strength of the prepared joint mixture can meet the industry regulation requirement within 24 h, the high-strength joint mixture increases the construction speed and accelerates the construction progress, and due to the good anti-seepage property, the waterproofing and saltpetering preventing properties of the product are better optimized.

The invention discloses a closestool cover coating capable of purifying the air. The closestool cover coating comprises raw materials in parts by weight: 35-45 parts of aqueous acrylic resin, 20-30 parts of aqueous polyurethane resin, 20-30 parts of aqueous alkyd resin, 10-15 parts of modified medical stone powder, 5-9 parts of diatomite, 6-9 parts of calcinated kaolin, 2-4 parts of tourmaline powder, 1-3 parts of hexacyclic stone powder, 3-4 parts of gas-phase silicon oxide, 1-2 parts of tween-60, 2-3 parts of zinc stearate, 2-4 parts of polyethyleneglycol , 1-3 parts of methyl hydroxypropyl cellulose, 1-3 parts of a leveling agent, 0.5-2 parts of a de-foaming agent, 2-4 parts of a preservative and 2-4 parts of a drier. The closestool cover coating capable of purifying the air, disclosed by the invention, has excellent ability to absorb stink substances in a washing room, can release negative ions to realize the effect of air purification, and has excellent weather resistance stability and flexibility.

The invention discloses a method for preparing an environment-friendly cleaning agent for external walls of buildings. The technical formula of the cleaning agent comprises the following components: 1-10 parts of fatty methyl ester sulfonate, 1-8 parts of fatty alcohol EO / PO polyether, 0.1-3 parts of EDTA.2Na, 1-5 parts of sodium hydroxide, 0.5-5 parts of sodium silicate SiO2:Na2O, 0.1-3 parts of monoglyceride citrate, 0.1-5 parts of sodium lauryl sulfate, 0.5-5 parts of methyl hydroxypropyl cellulose, 0.1-3 parts of coconut diethanol amide and the balance deionized water. The cleaning agent has a good cleaning effect, is excellent in compatibility and coordination of components, has natural biodegradability, is safe and environment-friendly, and can be cleaned without plenty of water when being used, so that a large amount of manpower can be reduced, and energy resources can be saved.

The invention discloses an attapulgite fly-luring agent, wherein the technical scheme thereof has the key points that the attapulgite fly-luring agent comprises pasty attapulgite clay, fish processing leftovers, livestock and poultry fresh blood, molasses, rhododendron molle, modified carboxymethyl hydroxypropyl cellulose, sodium citrate, fatty acid sucrose ester, super absorbent resin, methyl-p-hydroxybenzoate, propyl-p-hydroxybenzoate and deionized water. Ingredients are stirred and then crushed and pulped into a mixture, and then the mixture is ground into a pasty mixture and canned to obtain the finished product of the attapulgite fly-luring agent. The attapulgite fly-luring agent has higher viscosity, can keep a certain humidity, has stronger blood smell, fishy smell and molasses fragrance as the favorite smells of flies and has stronger luring force for the flies; and when smelling the smell of the attapulgite fly-luring agent, the flies can directly fly onto the attapulgite fly-luring agent for food intake and stuck and poisoned by the attapulgite fly-luring agent to achieve the purpose of luring and killing the flies, and the attapulgite fly-luring agent is applicable to luring and killing the flies and other pests.

The invention discloses a fruit and vegetable preparation for removing fruit and vegetable pesticide residues and a preparation method thereof. Washing water of rice is taken as the main raw material of the fruit and vegetable preparation, and preparation materials and technologies are simple and easy in operation, economic and effective. The fruit and vegetable preparation for removing the fruit and vegetable pesticide residues is prepared from aloe extracts, citric acid, table salt, natural essences, methyl hydroxypropyl celluloses, natural mineral salt and organic phosphorus hydrolase, and can effectively remove pesticides on fruits and vegetables; in addition, the materials are poisonless and harmless products; in a pesticide clearing process, no harmful substances are generated due to chemical reaction; the adopted aloe extracts are effectively obtained from plant essence, the freshness of the fruit and vegetable preparation can be improved by the citric acid and the natural essences, and human body organs can be prevented from being stimulated by smells. The fruit and vegetable preparation has the advantages of low production cost and good effect, and is suitable for being widely popularized.

The invention relates to a detergent for fruits and a production technology thereof. The detergent is prepared from 4-6 parts of vinegar, 6-8 parts of starch, 4-6 parts of citric acid, 25-30 parts of pea extract, 7-9 parts of sodium citrate, 4-5 parts of sucrose, 55-65 parts of distilled water, 3-5 parts of dihydrate sodium citrate, 5-9 parts of ethyl alcohol, 1-4 parts of methyl hydroxypropyl cellulose, 1-3 parts of propylene glycol, 10-15 parts of sodium hydroxide, 2-4 parts of diacetyl tartaric acid monoglyceride and 5-7 parts of solubilizer. The flow technology is simple, and the production raw materials are simple, natural, harmless, green and environmentally friendly. According to the method, peas are used as the main raw material and react with the vinegar, the starch and the sucrose, and therefore the produced detergent is nature and free of side effects, and does not influence skin of the human body after cleaning; moreover, the detergent can clean the fruits completely, effectively remove impurities and pesticide residues on the surfaces of the fruits, and ensure hygiene of the fruits and eating health of people, and does not pollute the environment after being used.

The invention provides anti-crack mortar. The anti-crack mortar consists of silicate cement, river sand, industrial gelatin, wood fibers, a water reducer, methyl hydroxypropyl cellulose and re-dispersible latex powder. The anti-crack mortar, an external wall decoration component with the anti-crack mortar and a preparation process of the external wall decoration component with the anti-crack mortar have the characteristics that the anti-crack mortar on a surface layer is resistant to impact and unlikely to break and fall off, the surface is smooth and no clearance exists in the middle; and the impact resistance of the external wall decoration component is higher than 5J, and the tensile property is over 0.1MPa.

The invention discloses attapulgite finely-carved oil sludge and a production method thereof. The technical scheme is characterized in that the attapulgite finely-carved oil sludge consists of high-viscosity attapulgite clay powder, tung oil, anatase titanium dioxide, superfine polyving akohol powder, modified carboxymethyl hydroxy propyl cellulose and deionized water. The production method comprises the steps of: dissolving the superfine polyving akohol powder and the modified carboxymethyl hydroxy propyl cellulose into the deionized water, then adding the high-viscosity attapulgite clay powder and the anatase titanium dioxide into the deionized water, stirring to obtain a semi-finished product of the attapulgite finely-carved oil sludge, slowly adding the tung oil into the semi-finished product of the attapulgite finely-carved oil sludge, and stirring to obtain the finished product of the attapulgite finely-carved oil sludge. The attapulgite finely-carved oil sludge can be cut, scraped, filled, rubbed and polished arbitrarily to prepare various models, which is time-saving and fast; a ready-made model can be preserved permanently in a non-deforming way; and the used oil sludge and the oil sludge scraped from the model with a scraper can be recycled for later use. The invention is suitable for industrial design model making and sculptures of arts and crafts articles.

The invention discloses a powdery colorful attapulgite hand inkpad and a production method thereof. The powdery colorful attapulgite hand inkpad is mainly characterized by comprising high-viscosity attapulgite clay powder, white cement, anatase-type titanium dioxide, instant sodium silicate powder, modified carboxymethyl hydroxypropyl cellulose, iron oxide red powder, iron oxide green powder, iron oxide yellow powder and iron oxide blue powder. The production method of the powdery colorful attapulgite hand inkpad comprises the following steps of: adding the ingredients of the powdery colorful attapulgite hand inkpad into a stirrer and stirring, inputting into a flour mill after even stirring and then milling, and packaging into a finished product of the powdery colorful attapulgite hand inkpad. A hand inkpad produced by using the powdery colorful attapulgite hand inkpad has exquisite texture, bright color and good softness plasticity; the pressed handprint has the characteristics of clear texture, small shrinkage after solidification, good strength, no deformation or crack and convenient permanent preservation; and the powdery colorful attapulgite hand inkpad is suitable for production on site.

The present invention discloses a disinfection sterilization washing agent preparation. The technical scheme comprises: weighing various components according to a formula, adding water to a mixing kettle, sequentially adding fatty acid methyl ester ethoxylate sulfonate, dodecyl dimethyl benzyl ammonium chloride, AEO-9, and cocoanut fatty acid diethanolamide to the aqueous solution under stirring, heating to a temperature of 40-60 DEG C, stirring for 10-30 min, sequentially adding sodium citrate, EDTA2Na, lauryl amidopropyl betaine, soybean lecithin and polyhexamethylene biguanide hydrochloride under slow stirring, maintaining the temperature for 10-50 min, adding methyl hydroxypropyl cellulose, completely and uniformly stirring and mixing, and cooling to a temperature of less than or equal to 30 DEG C to obtain the novel disinfection sterilization washing agent. The prepared product of the present invention has characteristics of excellent performance, good cleaning effect, good synergistic compatibility, stability, spectrum antibacterial sterilization, safety, no toxicity, no residue, easy and fast use, and no strong pungent odor.

The invention discloses an attapulgite mosquito trapping agent which is technically characterized by comprising pasty attapulgite clay, livestock and poultry blood, fresh milk, modified carboxymethyl hydroxyl propyl cellulose, sodium citrate, fatty acid sucrose ester, super-absorbent resin, methyl-p-hydroxy benzoate, propylparaben and deionized water. The ingredients of the attapulgite mosquito trapping agent are added to a stirrer for low-speed stirring and then canned to the finished product of the attapulgite mosquito trapping agent after being uniformly stirred. The attapulgite mosquito trapping agent has higher viscosity, can keep certain humidity, has stronger smell of blood and special milk fishy smell which are smells enjoyed by mosquitoes, and presents dark purple which is the color enjoyed by the mosquitoes so as to have stronger attractiveness to the mosquitoes; when smelling out the smell of the attapulgite mosquito trapping agent, the mosquitoes can directly swoop at the attapulgite mosquito trapping agent and be adhered by the attapulgite mosquito trapping agent to not get away until death so that the purpose of trapping and killing the mosquitoes is achieved. The attapulgite mosquito trapping agent is suitable for trapping and killing the mosquitoes and other injurious insects.

The invention discloses a nano material improved cement base material which consists of the following components in percentage by weight: 35-50% of Portland cement, 1-2% of Bonite, 0.02-0.05% of a nano material modifier, 0.5-0.8% of a water reduction agent, 0.2-0.5% of an early strength agent, 2-4% of an expanding agent, 5-8% of latex powder, 0.2-0.5% of high-purity aluminum powder, 0.1-0.2% of methyl hydroxypropyl cellulose ether and the balance of aggregate. Due to adoption of the novel synthetic dense fire-resistant aggregate Bonite in the material, the corrosion resistance of the cement base material can be improved, and to further improve an anti-seepage effect on chlorine ions, a small amount of a nano material modifier, namely boron doped graphene, is also added; the nano material improved cement base material disclosed by the invention can be used as a bridge bracket grouting material or a repairing material used in expressways.

The invention discloses a high-efficiency environmental-protective fruit cleaning agent and belongs to the technical field of cleaning products for daily use. The fruit cleaning agent comprises the components: hydroxypropyl methyl cellulose, sodium citrate, sodium lauryl sulfate, potassium sorbate, distilled water and sodium hypochlorite which are proportioned according to a certain weight percent ratio. The fruit cleaning agent of the invention helps residual pesticides on fruit surfaces to disperse easily, and especially for difficult-to-clean fruits such as strawberry, grape, mulberry and the like, the fruit cleaning agent is capable of effectively removing the pesticides. The cleaning agent is prepared from pure natural raw materials, is simple in preparation technology, lower in cost and none in any anticorrosive substances or harmful chemical substances, belongs to a fruit cleaning product with ideal effect, and is applicable to popularization and application.

The invention discloses a grouting material for road reinforcement. Key points of the technical scheme are as follows: the grouting material comprises the following components in parts by mass: 200-250 parts of broken stone, 150-200 parts of clay brick powder, 80-100 parts of cement, 80-100 parts of sand, 60-70 parts of waste concrete, 50-60 parts of fly ash, 20-40 parts of water glass, 20-30 parts of polypropylene fibers, 20-30 parts of methyl hydroxypropyl cellulose, 20-25 parts of admixture, 2-8 parts of water reducing agent, 2-8 parts of early strength agent, 2-4 parts of anti-freezing agent and 300-500 parts of water. According to the reinforcing grouting material, only a small amount of cement needs to be used, clay brick powder and waste concrete are used for replacing a large amount of cement, thus the cost of the grouting material is reduced, and the components are simple in composition and easy to prepare; by adding various waste materials and adaptive additives into the cement, the working degree of the grouting material can be improved, and the grouting material has high fluidity, high strength and good anti-cracking performance; the setting time of the grouting material can be prolonged, and the construction time is long; and the grouting material has the characteristics of high compressive strength.

The invention provides a natural fiber environment-friendly adsorption material and a method for preparing the same.The method includes steps of mixing carboxymethyl celluloses, carboxymethyl hydroxyethyl celluloses, carboxymethyl hydroxypropyl celluloses, sodium cellulose sulfate, sodium alginate and 60-70 parts of water with one another to obtain first mixtures; slowly stirring the mixtures by the aid of glass rods and then stirring the first mixtures by the aid of a magnetic stirrer; adding glyoxylic acid, sodium hydroxide and 20-30 parts of water into the first mixtures, increasing the temperatures and then carrying out reaction; washing filter materials and then freezing and drying the filter materials; adding palm wax, phosphatidylinositol, starch sugar alcohol, carnosol, squalane, chitosan and remaining water into the filter materials to obtain second mixtures; stirring the second mixtures by the aid of the magnetic stirrer; adding ethylene oxide into the second mixtures; stirring the ethylene oxide and the second mixtures by the aid of the magnetic stirrer to obtain third mixtures; reducing the rotational speed of the magnetic stirrer and stirring the third mixtures; filtering the third mixtures and then washing the third mixtures until the third mixtures are neutral; drying the third mixtures and then grinding the third mixtures to obtain powder.The natural fiber environment-friendly adsorption material and the method have the advantages that the natural fiber environment-friendly adsorption material is degradable, and excellent adsorption effects can be realized by the natural fiber environment-friendly adsorption material for heavy metal ions.

The invention discloses a detergent for a sapphire wafer. The detergent comprises the following components in parts by weight: 10-18 parts of a modified starch, 3-5 parts of potassium carbonate, 9-12parts of a surfactant, 15-20 parts of sodium citrate, 10-15 parts of metatartaric acid, 25-35 parts of methyl acetate, 1-3 parts of polyethylene glycol, 0.3-0.8 part of a stabilizer, 30-50 parts of borax, 5-10 parts of dibutyl phosphate and 30-40 parts of deionized water, wherein the modified starch consists of a starch, methyl hydroxy propyl cellulose and nano graphene in a mole ratio of (25-38):1:(4-8). The detergent is simple in component and low in cost, and is capable of both washing off residues of various liquids in a machining process and effectively reducing surface reflection of sapphire.

The invention discloses a lightweight partition plate made by using construction wastes. The lightweight partition plate is made by using the following raw materials, by weight, 20-25 parts of cement, 11-13 parts of glass fiber cotton, 11-14 parts of porous tuff, 1.3-3.4 parts of methacrylic acid, 2.1-3.5 parts of butyl acrylate, 8-10 parts of zeolite powder, 2-4 parts of methyl hydroxypropyl cellulose ether, 1-3 parts of dioctyl sebacate, 22-26 parts of construction wastes, 4-7 parts of coconut oil, 23-27 parts of rape stalks, 3-6 parts of an assistant and a proper amount of water. The lightweight partition plate made in the invention has the advantages of light weight, high strength, good suspension force, non-deformability, low cost, environmental protection, energy saving, water resistance, sound insulation, heat insulation, sawability, cutability, diggability, construction convenience and the like, and can reduce the design cost and improve the safety and the reliability of buildings when the lightweight partition plate is used in high-rise buildings.