31results about How to "To moisten" patented technology

The invention relates to a preparation method of a modified carboxyl-terminated hyperbranched polyester resin. The method comprises the following steps of: mixing diol and triacid uniformly, then heating the mixture to 70-90 DEG C and adding silanol and dimethylbenzene; heating the materials at 180-210 DEG C for 1-3 hours, then continuously raising the temperature to 220-240 DEG C and carrying out heating for 1-3 hours; then reducing the temperature to 90 DEG C and adding organic solvents, organic silicon oligomers, epoxy resins and crosslinking catalysts; raising the temperature to 110-120 DEG C and carrying out heating for 2-3 hours; and finally reducing the temperature to 90 DEG C, adding other organic solvents and regulating the solid content to be 60-70%. The preparation method has the beneficial effects that as silanol is added when carboxyl-terminated hyperbranched polyester is synthesized, the heat resistance and flexibility of polyester are improved; as the organic silicon oligomers and polyester are subjected to crosslinking reaction, the heat resistance of polymer is improved; and the polyester resin prepared by the method can be used for preparing a coating with high temperature resistance and good flexibility.

The invention belongs to the technical field of cement concrete admixtures, and in particular relates to an oxydative degradation starch grafted polycarboxylate superplasticizer and a preparation method thereof. The invention provides a resource of raw materials for preparing the novel efficient polycarboxylate superplasticizer, namely, natural and degradable starch is introduced to take the place of most part of petrochemical materials, the raw materials are wide and sustainable in resource, and not only is the cost lowered, but also the environment is protected.

The invention relates to a preparation method of modified amino-terminated hyper-branched polyamide resin. The method comprises the following steps: uniformly mixing binary acid and melamine with the mol amount which is 1.2-1.8 times as much as that of the binary acid to 70-90 DEG C; adding epoxy-terminated silicone oil with the weight which is 0.05-0.1 time as much as that of the binary acid and dimethylbenzene with the weight which is 0.02-0.1 time as much as that of the binary acid; heating at 180-210 DEG C for 1-3 hours; raising the temperature to 220-240 DEG C and heating for 1-3 hours; then, reducing the temperature to 90 DEG C; adding an organic solvent with the weight which is 1.0-1.5 times as much as that of the binary acid, an organic oligomer with the weight which is 1.5-2.0 times as much as that of the binary acid and a cross-linking catalyst which is 1-5% of the weight of the binary acid; raising the temperature to 110-120 DEG C and heating for 2-3 hours; and finally, reducing the temperature to 90 DEG C and adding the organic agent to adjust the solid content to 60-70%. According to the method disclosed by the invention, the epoxy-terminated silicone oil is added when amino-terminated hyper-branched polyamide is synthesized, so that the thermal resistance and the flexibility of the polyamide are improved; and the organic oligomer and the polyamide are subjected to a cross-linking reaction so that the thermal resistance of the polyamide is improved. The polyamide resin prepared by the method can be used for preparing a coating which is high-temperature-resisting and has a good flexibility.

The invention discloses a neutral toilet cleaner. The neutral toilet cleaner is prepared from the following components in percentage by weight: 0.5-30 percent of a surfactant, 0.1-5 percent of a thickener, 0.05-10 percent of a chelating additive, 2-20 percent of a solvent, 0.03-0.2 percent of a preservative, 0-1 percent of essence, 0-0.1 percent of a pigment, 0-1 percent of a pH regulator, 0-0.1 percent of a preservative and the balance of water. The toilet cleaner is a neutral product, is strong in decontamination ability and is capable of very lightly and conveniently removing fouling including soap scales and urine scales.

The invention belongs to the technical field of green chemistry and clean energy and relates to a method for preparing reducing sugar by promoting lignocellulase to hydrolyze by ultrasonic pre-treatment in pressurized hot water. The method comprises the following steps: mixing deionized water with lignocellulose in a mass ratio of (10-100) to 1 and introducing 3-10MPa carbon dioxide or nitrogen at 80-120 DEG C; applying an ultrasonic field with the frequency being 40-60kHz and the power being 90-600W for 10-120 minutes; releasing the pressure to normal pressure within 2-10 minutes and drying; adding an 0.2M acetic acid-sodium acetate buffer solution with the pH of 4.8 to the lignocellulose, wherein the mass ratio of the buffer solution to the lignocellulose is 50 to 1; and then adding cellulase, and hydrolyzing to obtain the reducing sugar, wherein the mass ratio of the cellulase to the lignocellulose is (0.5-1.2) to 1. The method provided by the invention is time-saving, mild in condition, low in energy consumption, simple in process, low in cost, green and free from pollution.

The invention relates to a polycarboxylic acid high-efficiency water reducer and a preparation method thereof. The preparation method of oligosaccharide graft modified polycarboxylic acid high-efficiency water reducer is characterized in that it comprises the following steps: 1) functional side chain grafting: oligosaccharide and methoxypolyethylene glycol (or polyethylene glycol Diol) and unsaturated carboxylic acid (or unsaturated acid anhydride) carry out esterification reaction to obtain esterification product; 2) free radical copolymerization: the esterification product, unsaturated carboxylic acid (or unsaturated acid anhydride), sulfonic acid group Free radical copolymerization of monomers in aqueous solution according to a certain ratio to obtain copolymerized products; after the reaction is completed, add alkali solution to adjust the pH to 7-8 to obtain the product. The product of the invention has excellent and stable performance, simple synthesis process, easy control of reaction conditions, wide source of raw materials, can reduce production cost, and has certain green and environmental protection functions.

A method for promoting the synthesis of polycarboxylic acid system cement water reducers through using microwaves and supersonic waves utilizes the microwaves to improve the temperature of reactants to make the interface temperature rapidly reach above 80DEG C. The reactants rapidly complete a reaction through stirring and vibrating reaction mediums by supersonic waves. The time for completing the reaction of the reactants is reduced to 10-30min under the radiation of the microwaves and the supersonic waves from original 5-10h. The method belongs to the organic synthesis field. In the invention, the relation between performance requirements of the cement water reducer and the monomer molecule structure activity is analyzed, and the monomer molecule structure selection and the monomer ration are optimized, so monosaccharide oligosaccharides comprising glucose and maltose, polyethylene glycol, hydroquinone, sodium methylbenzenesulfonate, methylpropylbenzene, sodium sulfonate, ammonium persulfate and sodium hypophosphite are selected. A microwave and supersonic wave technology is introduced on the basis of the adoption of the ammonium persulfate and the sodium hypophosphite as the initiators to rapidly synthesize polycarboxylic acid system water reducer products through utilizing the microwaves and the supersonic waves. The method provided by the invention has the advantages of substantial time shortening, energy consumption reduction, pollution reduction, and improvement of the paste fluidities of the products, is a new method having the characteristics of safety, high efficiency and energy saving, environmental protection and simple operation, and accords with the trend of times.

The present invention relates to a dust inhibition agent for inhibiting dust suspension. The dust inhibition agent comprises, by weight, 50-90 parts of water, 2-30 parts of polyvinyl alcohol, 1-20 parts of polysaccharide, 0.5-5 parts of a surfactant, and 0.1-3 parts of sodium benzoate, wherein the dust inhibition agent has characteristics of no toxicity, no harm, biodegradability and no secondary pollution. During a use process, the diluted dust inhibition agent is sprayed on sand soil heap, ash heap, road surface and the like, provides effects of wetting, adhesion, condensation, moisture absorption, dust resistance, etching resistance and erosion resistance through capturing, absorbing and aggregating dust micro-particles, and forms a layer of an adhesive film with a network structure on the surface so as to effectively fix dust and form a protection film on the surface of the material, such that the dust is fixed, dust re-suspension is inhibited, material loss can be effectively reduced, dust pollution is reduced, the environment is protected, and health of workers and the surrounding population are protected.

The invention belongs to the field of household health products, and discloses a production method of a super-thick latex sofa cushion. The method comprises the following steps: curing natural latex,an elastomer, liquid silica gel and epoxy resin at normal temperature for 8 h; preparing a mixture and a mixed solution from the cured material, and preparing a first material and a second material from the prepared mixture and mixed solution; injecting the first material into an aluminum alloy mold, heating to 80-90 DEG C, and vulcanizing for 30 min to obtain an upper-layer latex cushion; injecting the second material into an aluminum alloy mold, heating to 75-80 DEG C, and vulcanizing for 40 min to obtain a lower-layer latex cushion; and bonding the upper-layer latex cushion and the lower-layer latex cushion by using an adhesive, and trimming the edges to obtain the super-thick latex sofa cushion. The sofa cushion is good in air permeability, also has sterilization and health-care functions, and is high in comfort level.

The invention discloses a composite cell vagina shrinking lotion for female nursing and belongs to the field of vagina shrinking nursing. The composite cell vagina shrinking lotion contains natural traditional Chinese medicinal material ingredients such as lily bulbs, cnidium monnieri, saffron crocus and fructus evodiae; extracted titanium is subjected to extraction and mixing by adopting Sanxianspearwort; the composite cell vagina shrinking lotion plays roles in humidifying and remedying and recuperating elasticity of female vaginal muscle and mucosa, cells can be regenerated, and slack vaginae can become compact and lubricated; auxiliaries such as hyaluronic acid and rose essential oil are also added, so that moisture can enter human body intercellular spaces to play roles in preservingmoisture and recuperating elasticity of the vaginal muscle and mucosa, and meanwhile, odors can be improved; in addition, growth conditions of the vaginal mucosa can be improved, so that the composite cell vagina shrinking lotion has the actions of resisting inflammations, inhibiting generation of pathogenic bacteria and keeping skin bright and clean.

The invention provides a multifunctional water and soil mixed cultivation device, which comprises a cultivation box, a box cavity, a first connecting pipe, a water pump, a second connecting pipe, a frame hole, a supporting frame, steel clamping plates, adjustable cultivation basin structures, a PLC (Programmable Logic Controller), a driving switch, a movable fertilizer application box, an adjustable auxiliary plate frame structure and an adjustable water spraying frame structure, wherein the box cavity is arranged in the cultivation box; the first connecting pipe is in threaded connection to the right lower part of the cultivation box, and in addition, the right side of the first connecting pipe is in threaded connection with the water pump; one end of the second connecting pipe is inlaidto the upper part of the water pump, and the other end is connected with the adjustable water spraying frame structure. The multifunctional water and soil mixed cultivation device has the beneficial effects that due to the arrangement of the movable fertilizer application box, when the multifunctional water and soil mixed cultivation device is used, fertilizer in a placement hopper can enter the conveying box, and then, an air pump can be driven to blow the fertilizer to enter a material conveying pipe to be conveyed.

The invention belongs to the field of fungal cultivation, and particularly relates to a potted planting method of Dictyophora rubrovolvata. The Dictyophora rubrovolvata can be factory-produced by adopting a potted method to cultivate and plant the Dictyophora rubrovolvata, so that the yield is improved, and a lot of land resources are saved. Through the preparation of cultivation soil, cultivationbulk materials and moisturizing gel, the quality of the Dictyophora rubrovolvata is good, the indusium is white, the stipe is smooth and plump, and the amino acid content can reach 347.59mg/100gFW, wherein the content of glutamic acid (Glu) is 155.37mg/100gFW.

The invention relates to a composite skin antiseptic solution composition and a preparation method thereof, which belong to the technical field of the skin antiseptic solution. The composite skin antiseptic solution composition comprises the following components by mass percentage: 2-5% of povidone-iodine, 0.1-0.8% of a guanidine disinfectant, 42.4-73.5% of ethanol, 0.1-2.0% of a wetting agent, 0.01-1.5% of a pH conditioning agent, and the balance of water. The composite skin antiseptic solution composition has the characteristics of low toxicity, less irritation, wide antimicrobial spectrum,stable physical and chemical performance, moderate viscosity, easy dissolution in water, no yellow staining, and low cost.

The invention provides a nasal-tampon type respiration purifier which comprises two hoses. The nasal-tampon type respiration purifier is characterized in that a nasal tampon is connected to upper ports of the two hoses and provided with two nasal through holes, the upper port of each nasal through hole is shaped like a naris, and the lower port of each nasal through hole communicates with the corresponding hose; and a plug is connected to the lower port of each hose in an inserted manner, a side air inlet is formed in the lower portion of each hose, and a metal filter screen is arranged on the portion, corresponding to the side air inlet, in each hose. The nasal-tampon type respiration purifier has the advantages of being small in size, light in weight and convenient to wear; the metal filter screens are directly placed in the hoses and are convenient to disassemble, clean and replace; the metal filter screens are adopted for filtering and purifying, the hoses serve as respiration channels and are good in breathability, and smooth respiration is guaranteed; the respiration channels are prolonged by means of the hoses, and inhaled cold air gets warm; meanwhile, exhaled wet air is adsorbed on the hose wall and forms condensed water, and wetting and purifying effects on the inhaled air are achieved.

The invention discloses a coating structure and a preparation method thereof. The coating structure comprises a silver layer, a palladium layer and a gold layer which are sequentially arranged on a conducting layer. The coating structure aims to solve the problems that a layer of palladium is deposited on a nickel layer in a deposition manner and then a layer of gold is deposited in a replacementmanner in the existing process, and due to the magnetism of the nickel layer, loss and attenuation are caused during high-frequency and high-speed signal transmission, so that the requirement of high-frequency and high-speed signal transmission cannot be met. The coating structure comprises the silver layer, the palladium layer and the gold layer, does not have magnetism, does not affect high-frequency and high-speed signal transmission, and can protect the conducting layer and provide good weldability, conductivity, corrosion resistance, friction resistance and the like; and the silver layerreplaces gold (precious metal), the cost is remarkably reduced, the palladium layer on the silver surface can effectively prevent the silver layer from being corroded, and the gold layer can play a role in wetting and corrosion resistance.

The invention provides a whitening face-beautifying tea formula. Aloe is peeled, aloe pulp is taken, traditional Chinese medicine raw materials of safflower and chrysanthemum morifolium are rinsed, dried in the sun, sealed and stored, when in drinking, 5 parts of the aloe, 3 parts of the safflower, 5 parts of the chrysanthemum morifolium and 3 parts of honey are mixed in the mass ratio with a proper amount of boiled water for drinking, and by scientific compatibility, the whitening face-beautifying tea formula has the effects of moisturizing skin, whitening and beautifying face, and is easy toprepare and drink.

The invention relates to a preparation method for a konjac glucomannan eye mask. The preparation method comprises the following steps of preparing a konjac glucomannan mixed solution, preparing a masksolution and preparing the mask. According to the preparation method, in the main raw materials, konjac glucomannan has excellent biological activity and rheological property, so that the water lossof skin can be prevented, and the aging can be relieved; soy protein isolate contains a plurality of essential amino acids of human bodies and trace elements and has very high nutritive value and health care effects; olive oil is rich in squalene which has excellent affinity with the skin and essential fatty acids of the human bodies and can be absorbed rapidly, and the elasticity and the moistureof the skin can be effectively kept; beewax is a pure natural moistening agent, and a protective film can be formed on the surface of the skin; collagen is composed of 19 amino acids and has the moisturizing, nourishing, skin tightening, wrinkle preventing effects; and glycerin has the effect of improving the moisturizing effect; monostearin has the emulsifying effect. The konjac glucomannan eyemask has the advantages of being water-retaining, wrinkle-resistant, natural, free of side effects and the like.