1486results about How to "No irritating smell" patented technology

The invention relates to a liquid accelerator for shotcrete and a method for preparing the same. The liquid accelerator is prepared from the following components in percentage by weight: 25 to 70 percent of aluminum sulfate, 0 to 8 percent of metal fluoride, 1 to 10 percent of amine substance, 0.5 to 7 percent of pH regulator, 0.01 to 1 percent of thickening agent, and the balance being water. The method for preparing the liquid accelerator comprises the following steps: firstly, dissolving the fluoride into the water; secondly, adding the amine substance to the mixture and heating the solution to a temperature of between 40 and 80 DEG C; thirdly, adding the aluminum sulfate to the solution to perform heat preservation reaction until the solution becomes a uniform liquid; and fourthly, adding the pH regulator and the thickening agent to the uniform liquid and stirring the mixture evenly to finally obtain a uniform liquid substance which is the liquid accelerator for the shotcrete. The liquid accelerator is free from corrosion, has no penetrating odor, has good storage stability so that the phenomena of deposition, crystallization and the like do not appear after the storage of more than 6 months at a temperature of between 0 and 35 DEG C, and does not influence the effect in practice. Using the liquid accelerator with lower mixing proportion (5 to 8 percent), cement can be initially set within 4 minutes and finally set within 10 minutes, and the strength of cement mortar within one day is more than 10 MPa and the storage rate of the strength within 28 days is more than 100 percent.

The invention discloses a nutritional health bread rich in wheat bran dietary fiber and a preparation method of the nutritional health bread. The bread is light brown, full in appearance, smooth in surface and normal in size, and does not have cracks and is not deformed. The internal structure is uniformly spongy, fine, soft and flexible, and the bread has light fresh scent and sweet taste of wheat bran, does not have pungent smell, and is good in palatability. The bread has the advantages as follows: 1 the dietary fiber prepared from the raw material of wheat bran through compound enzymolysis is added into the bread, and the dietary fiber has the functions of moistening lung, moisturizing skin, preventing and resisting cancer, strengthening the spleen and harmonizing the stomach, blackening and strengthening hair and clearing intestines and stomach, so that the nutrition and functionality of the nutritional bread are improved; 2 the bran is soaked, washed and rinsed so as to remove protein, starch and phytic acid, so that the palatability of the bread is improved; 3 the water-soluble dietary fiber is added in raw materials of the bread, so that the rheological property and nutritional property of the bread are changed, and the nutrition arrangement of the bread is scientific and reasonable.

The invention discloses a multipurpose aqueous adhesive, which comprises the following parts: 10-35% thermoplastic rubber or emulsion, 0. 5-35% solvent, 28-45% emulsion, 20-80% viscosifying resin or its emulsion, 0. 5-5% functional adjuvant and 1-20% water. The making method comprises the following steps: putting the solvent into autoclave; stirring at middle speed and adding thermoplastic rubber and its modifying product until dissolving completely; or putting into copolymerized rubber emulsion directly; stirring to add the viscosifying resin or the viscosifying resin in the invention; blending evenly; adding emulsion; fetching the sample to test the viscosity; adding fitful quantity of water and corresponding functional adjuvant according to the purpose and viscosity; dispersing at high speed until even condition; cooling; filtering; packing; obtaining the product for shoe-making, hand pocket and decorative aspect with low cost.

The invention discloses an environmentally-friendly amine cationic collector and a using method thereof. The collector ZJ is ester group-containing quaternary ammonium salt cationic surfactant and has a plurality of alkyl groups, wherein an R alkyl group has 6 to 18 carbon atoms; an R1 alkyl group has 1 to 4 carbon atoms; the number of ester groups is 1 or two; and the number of the quaternary ammonium group is 1. The collector is obtained by esterification and quaternarization. As a hydrophobic chain has a carbonyl structure, the collector can hydrolyze easily into nonsurfactant fragments, and is a surfactant with high biodegradability, small toxicity and high performance. The collector is used in ore flotation for the first time and demonstrates high collecting capacity and selectivity.The collector forms fine and fragile foam that is low temperature resistant. The collector can be used under the condition that the pH value of ore pulp is 7 without corroding equipment. The preparation process of the collector is simple and easy in operation. And the collector is easy to biodegrade and is environmentally-friendly.

This invention relates to a core-shell polystyrene-acrylate copolymer emulsion, which comprises: emulsifiers 0.2-1.5 wt.%, monomers 45-55 wt.%, initiator 0.1-0.3 wt.%,, pH regulator 0.1-0.2 wt.%, and deionized water as balance. The emulsifiers are two or three of anionic emulsifier, nonionic emulsifier and functional allyloxy hydroxypropyl sulfonate emulsifier. The monomers are soft monomer, hard monomer and functional silane monomer containing epoxy groups and oxy groups. The solid content of the emulsion is 48-52%, the glass transition temperature of the core is 25-35 deg.C, and the glass transition temperature of the shell is (-5)-5 deg.C. The emulsion has such advantages as high wet adhesivness of the coating film and high washing resistance of the coating film.

The present invention discloses a liquid high-effective disinfectant. It is formed from (wt%) 1-2% of hyamine which is the mixture of alkyl dimethyl benzyl ammonium chloride and dialkyl dimethyl ammonium chloride, 0.1-0.5% of biguanide which is one of chlorhexidine and polyhexamethylene biguanide salt or their mixture, 3-8% of aldehyde which is one of glutaraldehyde, citrial, jasminal and myristic aldehyde or mixture of more than two kinds of them, 5-10% of surfactant, 1-5% of urea, 40-50% of hydrophilic solvent, 0.1% of EDTA sodium salt, 2.5-35% of water and 0-3% of selectable components, such as aromatic compound, colouring matter and viscosity-regulating agent.

The invention aims to provide a modified sodium silicate binder for a cold core box and a preparation method thereof. The binder has the advantages of wide raw material sources, no toxicity or smell and good mechanical property and is applicable to mechanized core manufacture of the cold core box and manual core manufacture. The modified sodium silicate binder comprises the following chemical compositions in percentage by mass: 20 to 30 percent of SiO, 10 to 20 percent of Na2O, 0.5 to 19 percent of K2O, 1.0 to 20 percent of modifier and the balance of water, wherein the modifier can be aluminium hydroxide and/or zinc hydroxide, or one or more of amylin, sugar, molasses, polyacrylamide, sodium polyacrylate, sodium tripolyphosphate, cellulose, humic acid, sodium humate, sorbierite, xylitol and sodium silicate are added.

The present invention relates to the preparation process of dry vibrating material for middle ladle. The dry vibrating material is prepared with magnesite or forsterite in 85-97 wt% and sodium metasilicate in 3-15 wt%, and through mixing, vibration forming, stoving at 100-400 deg.c and demolding. The magnesite or forsterite is graded with 0.088-2 mm components in 80-90 wt% and 0.088 mm below components in 10-20 wt%. The present invention adopts non-toxic, smell-less and harmless sodium metasilicate as bonder, so that the dry vibrating material may be low temperature smelted during the stoving process to polymerize constantly to raise strength. The dry vibrating material has no carbon increment to the molten steel, high corrosion resistance, easy degradation and environment friendship.

The invention relates to a foaming agent used in ultra-low density anti-seepage foamed concrete, and a preparation method thereof. The foaming agent comprises components of, by mass: 8 to 18 parts of sodium polyoxyethylene fatty alcohol sulfate, 0.1 to 7 parts of sodium dodecylsulfate, 0.5 to 7 parts of sodium dodecylbenzene sulfonate, 4 to 15 parts of pure acrylic emulsion or styrene-acrylate emulsion, 3 to 6 parts of fatty alcohol polyoxyethylene ether, 0.5 to 2 parts of hydroxyethyl cellulose or hydroxy propyl methylcellulose, 0.1 to 5 parts of modified silicon resin or modified nano-gradebentonite, 0.1 to 0.5 parts of a thickener, and balance of water. The anti-seepage foamed concrete foaming agent provided by the invention has stable property, high foaming multiple, and good workability with a substrate. The agent can be used in a foamed concrete product with a density of 100 to 600kg/m<3>. The raw materials are easy to obtain, and the cost is low. The foaming agent can be stored for a long term with out deteriorating. With the agent, foamed concrete properties such as strength and softening coefficient can be improved.

The invention discloses an environment-friendly deposited carbon cleaning agent and a preparation method thereof. The deposited carbon cleaning agent is made of raw materials by mass percent: 1-20% ofinorganic alkaline, 1-10% of block polyether surface active agent, 1-10% of fatty alcohol-polyoxyethylene ether, 0.1-10% of esters solvent, 0.1-10% of cosolvent, 0.1-10% of monocyclic dibasic acid and less than or equal to 90% of water. The preparation method comprises: adding the metered tap water and inorganic alkaline into a reaction kettle, stirring until the inorganic alkaline is completelydissolved; then, sequentially adding the fatty alcohol-polyoxyethylene ether, the monocyclic dibasic acid, the block polyether surface active agent, the cosolvent and the esters solvent, stirring for10min when adding one material every time, and finally, stirring the mixed solution to be transparent.

The invention discloses a cleaning agent for a silicon wafer of a photovoltaic cell and a preparation method for the cleaning agent. The cleaning agent mainly comprises potassium hydroxide, sodium carbonate, sodium silicate, sodium borate, diethylenetriamine pentaacetic acid, sodium dodecyl benzene sulfonate, C12/C18 fatty alcohol-polyoxyethylene ether, C13/C15 straight-chain carbonyl alcohol oxyethylene ether, tetramethylammonium hydroxide, a triethanolamine oleic soap, deionized water and the like. The cleaning agent is alkaline, is used in a one-component mode, has good decontamination andcleaning performance, does not have any pungent smell, has a long using period, can effectively remove surface grease generated by linearly cutting monocrystalline silicon, metal impurities in silicon wafers, and dust and other particles which are adhered to the surfaces of the silicon wafers, and is non-corrosive to the silicon wafers; organic solvents and phosphorus additives are not contained;the pH value of a working solution is 9 to 11; the cleaning rate is up to 99 percent; and the cleaning process is simple. Compared with the traditional silicon wafer cleaning agent, the cleaning agent has the advantage that the unit cost is reduced by 60 percent.

The invention relates to an odorless ultraviolet-curing wood lacquer and a preparation method thereof. The wood lacquer is prepared from the following components in percentage by weight: 45-65% of ultraviolet-curing resin, 10-25% of reactive monomer, 5.0-15% of talcum powder, 5.0-15% of transparent powder, 0.5-1.0% of gas-phase silicon dioxide, 1.0-5.0% of photoinitiator, 0.2-0.5% of defoaming agent, 0.2-1.0% of leveling agent and 0.2-1.2% of wetting agent. The odorless ultraviolet-curing wood lacquer does not have irritating odor before and after construction, does not contain benzene, and can be used immediately after construction; and meanwhile, the surface effect and fullness are not inferior to those of nitrocellulose dope, unsaturated paint or polyester paint.

The invention discloses a water-borne white board pen ink capable of being wiped dryly or with wiping agent and the wiping agent thereof. The ink mainly comprises distilled water, film-forming resin, flatting agent, sulfate, castor oil, interfacial agent, color-developing agent, drier and isothiazolinone. The ink is equipped with a special wiping agent. The white board ink uses water as solvent and colorant which reacts with reducer at normal temperature and voltage and is decolorized as the color-developing agent. The handwriting can be wiped dryly in a physical wiping manner and with the wiping agent in a chemical reaction wiping manner. The invention has the advantages of saving energy, environmental protection, no poison and pungent smell, easy writing and wiping, simple manufacture technology, low use cost and stable performance after long-term placement. The ink does not leak into the board face and cause pollution even after long-term use.

The invention discloses a high-performance aqueous adhesive composition for gum application in an artificial lawn. The adhesive composition can remarkably improve drawing force, reduce the use amount of gum substantially and reduce cost. The high-performance aqueous adhesive composition for gum application in the artificial lawn comprises the following compositions in portion by weight: 100 portions of carboxylic styrene butadiene latex, 5 to 60 portions of tackifying resin, 50 to 400 portions of filler, 0 to 5 portions of thickening agent and 0 to 3 portions of paint; and the portion of water is used to adjust the viscosity of an adhesive composition system between 5,000 and 50,000 MPa.s.

The invention relates to a low-toxicity mannich base compound for preparing an acidizing corrosion inhibitor. A molecular formula of the compound is shown in the specification. The invention also relates to a mannich acidizing corrosion inhibitor prepared by using the mannich base compound, and further relates to a mannich synergistic acidification corrosion inhibitor formed by the mannich acidizing corrosion inhibitor and a halide ion synergist in a compounding manner. In addition, the invention relates to a preparation method of the mannich acidizing corrosion inhibitor. A formula of the mannich acidizing corrosion inhibitor is prepared from a main mannich acidizing corrosion inhibitor, an organic solvent, a surfactant, a corrosion additive and a solvent in the compounding manner. The invention further relates to a method for preparing the mannich synergistic acidification corrosion inhibitor by using the method. By adopting the mannich base compound, the acidizing corrosion inhibitor and the preparation method thereof, the problems that the corrosion inhibitor product in the prior art is serious in pollution, high in cost, and unstable in performance are solved.

The invention belongs to the lubricant field, in particular relating to copper and copper alloy cold rolling emulsifying oil with good stability and a manufacturing method thereof. The compositions by weight percentage are as follows: 60 to 70 percent of neutral machine oil, 4 to 6 percent of palm oil, 3 to 6 percent of sulfurized castor oil, 6 to 9 percent of Arlacel-80, 4 to 7 percent of Tween-60, 1 to 3 percent of oleic acid, 1 to 2 percent of trolamine, 3 to 6 percent of sodium alkane sulfoate with 35 to 45 percent of active matter, 1 to 3 percent of tricresyl phosphate, and 0.01 to 0.1 percent of benzotriazole. The emulsifying oil is produced through the method of stepping, adding and stirring, and heating. When the emulsifying oil is diluted into emulsified liquid with a volume concentration between 1 and 8 percent by water, the emulsified liquid can be directly used for machining processes such as cold rolling of sheet materials and belt materials and the drawing of rod materials of copper and copper alloy and so on. The emulsifying oil has high product surface finish, long anti-corrosion period, good cleanliness of annealing surfaces, no toxicity, no pungent smell, convenient operation, and low cost.