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305 results about "Scouring agent" patented technology

The steepness of the terrain in such regions makes flowing water a more powerful scouring agent. Muddy waters: more sediment is entering rivers, but less makes its way to the sea Specific floor cleaners, impregnated wipes and scouring agents , among others, saw their value and volume sales decline.

Low-temperature scouring and bleaching agent and preparation method thereof and preprocessing technique

InactiveCN101037842AReduce the bleaching temperatureThe effect of the pretreatment process is obviousBleaching apparatusTextile treatment by spraying/projectingTextile printerBenzene
The present invention realtes to a low temperature scouring and bleaching agent belonging to the pretreatment process technology field of the textile printing and dyeing industry, a manufacturing method thereof and a pretreatment process. Said low temperature scouring and bleaching agent consists of promoter QR2010 consisting of carbon tetrachloride, acetic acid esters, alkyl benzenes, emulsifying agents and scouring agents; promoter QR2011 consisting of potassium hydroxide, carbonates and penetrating agents; and promoter QR2020 consisting of acyls and nitriles activating agents and builders. Said three promoters are prepared using routine methods and are deposited solely. When used, the three promoters, together with hydrogen peroxide, are mixed according to different proportions to prepare solutions. Said low temperature scouring and bleaching agent is capable of annealing, boiling and bleaching a variety of cotton as well as cotton blending textiles at any temperature ranging from 40 DEG C to 80 DEG C, and being processed at different scouring and bleaching equipments, with a whiteness of higher than 80% and a capillary effect of 10-20 cm. Compared with the process in existing, the amount used of hydrogen peroxide activating agent is 1 / 7 to 1 / 5 of that originally used, the total energy consumption is reduced, the tonnage of used water is decreased, and billet flaws such as holes bleached by oxygen and lycra folded crepes sourced and bleached are avoided.
Owner:SHANGHAI QIRUI TEXTILE CHEM

Environment-friendly type highly effective scouring agent

InactiveCN101158113AImprove stabilityGood chelating powerFibre treatmentAlkaneSuccinic acid
The invention discloses an environment-friendly scouring agent with high efficiency, which essentially comprises fatty amide, polyethenoxy ether, succinic acid, monoester sulfonate, C12 to 14 alkyl polysaccharide glycoside, isomery C13 hydrin polyethenoxy ether sodium dicarboxylic acid, secondary alkane sulfonate, chelating dispersant KX130 and water. The environment-friendly scouring agent with high efficiency that the invention provides has the advantages that: (1) the scouring agent is environment-friendly because the selected raw and supplementary materials are environment-friendly products and are degraded biologically into innoxious substance after entering into natural environment; (2) the scouring agent has good compatibility and high stability after compositing; (3) the scouring agent has strong resistance to alkali, the alkali resistivity is more than or equal to 240 g / L NaOH; (4) the scouring agent has strong penetrability, the sailcloth of 20 DEG C subsides less than or equal to 8S and has good emulsifying ability and detergent washing ability; (5) the scouring agent has good stability for hydrogen peroxide and the resolution ratio of the hydrogen peroxide is less than 10 percent; (6) the scouring agent has strong chelating power for metal ion and has good chelation on Cu2+, Fe3+ in bleaching liquor and improves the stability of the hydrogen peroxide, etc.
Owner:JIANGSU GEMEIGAO DEV CO LTD

Cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics

The invention relates to a cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics, comprising the following steps: (1) preparing a biological compound enzyme preparation, a biological enzyme synergist and a non-ionic surfactant into an enzyme working solution, wherein the pH of a processing bath is 6-7.5; padding the fabrics into the working solution; carrying out heat preservation; (2) washing the processed fabrics with cold water; padding the fabrics into a hydrogen peroxide bleaching solution containing the controlled decomposition additive of hydrogen peroxide; and steaming, washing with water and drying to obtain the finished products. In the method, high-density strong base is not required to serve as a scouring agent, thepH value of pretreatment waste water is 7-8, the chromaticity is low, the COD (Chemical Oxygen Demand) value is lowered by 30% compared with that of the traditional alkali kiering pretreatment technology, the water is saved by 10-30%, and the steam and electricity can be saved by 20%. The indexes (whiteness, capillary effect, water absorption, cotton seed hull strainaway rate, desizing rate, strong force and the like) of the processed cotton and cotton-type fabric all reach the quality indexes of a semi-product, cotton seed hulls can be completely removed, and the fabrics have vivid color andgood levelling property after being dyed.
Owner:DONGHUA UNIV

Short-flow pre-treatment process for pure cotton woven fabric

The invention provides a short-flow pre-treatment process for a pure cotton woven fabric, which belongs to the technology of printing and dyeing pre-treatment of textiles. The short-flow pre-treatment process provided in the invention simplifies the conventional three-step method of desizing, scouring and bleaching into a two-step method, wherein the first step is cold pad batching and the second step is high temperature steaming; the procedures of scouring and bleaching in a conventional processing method for a pure cotton woven fabric are integrated in the short-flow pre-treatment process, no caustic soda is used in the process, and flow of the process comprises singeing, desizing (rolling a gray fabric and stacking the fabric at room temperature), open washing (with 7 open-washing boxes), scouring and bleaching (100 DEG C, 40 to 60 min), open washing (with 5 open-washing boxes) and drying. The invention provides a formula for desizing slurry and a formula for scouring and bleaching liquid to cooperate with the flow; the formula for the desizing slurry comprises 15 to 30 g/l of caustic soda (100%), 3 to 6 g/l of a penetrating agent and 2 to 5 g/l of a scouring agent; the formula for the scouring and bleaching liquid comprises 4 to 10 g/l of hydrogen peroxide (35%), 20 to 30 g/l of solid scouring enzyme, 5 to 8 g/l of water glass 40 degrees Be, 2 to 3 g/l of a scouring agent and 2 to 4 g/l of a complexing agent, and the pH value of the scouring and bleaching liquid is 10.5.
Owner:上海王港华纶印染有限公司

Hard surface cleaning compositions

An improved hard surface cleaning composition having an acidic pH having good soap scum stain removal capabilities. The composition of the present invention comprises: an acidic component comprising citric acid alone or in combination with citric acid selected from the group consisting of sorbic acid, acetic acid, boric acid, formic acid, maleic acid, adipic acid, lactic acid, hydroxysuccinic acid, malonic acid , glycolic acid, and mixtures thereof; at least one anionic surfactant; at least one thickener; at least one scrubbing agent; one or more optional components; Water; wherein, the pH value of the aqueous hard surface cleaning composition is less than or equal to 6.0.
Owner:RECKITT BENCKISER LLC

Fine-grained zinc-based alloy for die and preparation process thereof

The invention provides a fine-grained zinc-based alloy for a die and a preparation process thereof. The invention is characterized in that the fine-grained zinc-based alloy for the die is composed of a matrix alloy, intermediate alloys, an alterant and a scouring agent and comprises 12.5 to 16.5% of Al, 8 to 12.5% of Cu, 0.01 to 0.05% of Mg, 0.10 to 0.25% of Ti, 0.01 to 0.03% of B, 0.3 to 0.7% of Zr, 1 to 3% of Si, 0.4 to 0.8% of Mn, 0.2 to 0.8% of Re and 0.4 to 0.5% of ZnCl2, with the balance being Zn, wherein Re comprises, by mass, 45 to 55% of Ce, 10 to 20% of La, 7 to 15% of Y and 4 to 10% of Gd. The preparation process comprises the following steps: fusing the alloys in a crucible resistance furnace or a medium-frequency induction melting furnace; preparing a semi-solid zinc-based alloy through electromagnetic stirring; carrying out casting after temperature drops to 550 DEG C; and carrying out water cooling or air cooling. Compared with the prior art, the invention has the following advantages: the fine-grained zinc-based alloy for the die has the following mechanical properties at normal temperature, i.e., sigma b of 492.6 MPa, delta s of 1.42% and HBR of 168; even at a high temperature of 200 DEG C, sigma b reaches 216 MPa and delta s reaches 26%, completely according with the requirement of a common injection die for the mechanical property sigma b of 120 to 150 MPa at the temperature of 200 DEG C.
Owner:江苏新亚特钢锻造有限公司

Green synthetic method for blue fluorescence carbon quantum dots with high fluorescence quantum yield

The invention discloses a green synthetic method for blue fluorescence carbon quantum dots with high fluorescence quantum yield, and belongs to the technical field of fine chemical engineering. The method adopts a mixture of citric acid and glycine as a raw material, the solid mixture is heated directly to a certain temperature for a certain time, so that the solid mixture is dehydrated, after cooling to indoor temperature, the mixture is extracted by a low boiling point organic solvent, and the fluorescence quantum yield of the obtained carbon quantum dots is much higher than the fluorescence quantum yield of carbon quantum dots which are not processed by the organic solvent. The adopted raw material is easy to obtain, cheap and free of poison, three wastes are not generated in the preparing process, the operation is simple and convenient, and the raw material is easy to control. Due to the fact that the higher high fluorescence quantum yield, blue fluorescence emission and good photobleaching resistance are achieved, the carbon quantum dots can serve as a fluorescent whitening agent and be applied to production of paper pulp, scouring agents and washing powder, and the carbon quantum dots can serve as fluorescence markers of biomolecules.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Blended spinning method of long spinning and damp spinning for bast fibers

ActiveCN101418484ASmooth yarn bodyLess hairyYarnWear resistanceMaterials science
The invention provides a method integrated with long spinning, wet spinning and blended spinning for bast fibers. The method comprises the following steps: the bast fibers are scotched into flax; the flax is humidified and soaked for a period of time; the flax is carded into long flax; and the long flax is subjected to matching, silvering, drawing, roving, scouring, bleaching, spinning, drying and winding. The method is characterized in that after the bast fibers are bleached, the obtained rove of the bast fibers and rove or filaments of other fibers are blended on a spinning machine. With the method, blended fibers are not bleached and scoured together with the bast fibers, so the defect that the performance of blended yarn is affected due to the damage of bleaching and scouring agents to the blended fibers in the prior wet spinning and blended spinning is overcome, and the obtained blended yarn has the characteristics of bright and clean yarn body, less hairness, evenness and good wear resistance. In addition, the method can fully play a role in respective advantages of the bast fibers and the blended fibers, complement respective disadvantages of the bast fibers and the blended fibers, has simple process, is favorable for improving the quality of blended yarn of the bast fibers, and realizes the high count, high grade and diversification of varieties of the bast fibers.
Owner:DONGHUA UNIV

High-strength aluminum alloy welding wire and preparation method thereof

The invention discloses a high-strength aluminum alloy welding wire which comprises the following chemical compositions in percentage by weight: 2.5-3.5 percent of Cu, 2.2-3.2 percent of Si, 0.1-0.25 percent of Ti, 0.1-0.25 percent of Zr, 0.1-0.2 percent of Mn and the balance of Al. The preparation method comprises the following steps: melting and ingot-casting raw materials so as to prepare intermediate alloy of Al-Cu50, Al-Mn10, Al-Si30, Al-Ti10 and Al-Zr10; pouring the pure aluminum ingot into a crucible according to composition proportion, raising temperature, adding and melting the intermediate alloy of Al-Mn10, Al-Cu50, Al-Ti10 and Al-Zr10 in sequence according to composition proportion after the aluminum ingot is entirely molten; after melting is finished, raising the temperature to 800 DEG C for heat preservation for 15 minutes, pressing hexachloroethane into the bottom of the alloy liquid with a graphite hood, stirring to conduct degassing and slagging, wherein the using amount of the hexachloroethane is 0.3-0.4 percent of the amount of a furnace, scattering a little amount of scouring agent to remove surface float slag after finishing slagging-off; continuing to raise the temperature to 820-850 DEG C, fully stirring, and discharging; conducting pull-casting to prepare high-strength aluminum alloy cast ingot; then taking out and sawing the cast ingot into segments and peeling; putting the cast ingot into an extruder at the heating temperature of 330-380 DEG C for extrusion; and conducting wiredrawing in a wiredrawer, and annealing in the drawing process, thus obtaining high-strength aluminum alloy welding wires when achieving the standard diameter.
Owner:BEIJING INST OF NONFERROUS METALS & RARE EARTH

Production method of memory function lining

The invention provides a production method used for producing a memory surface fabric with excellent crease resistance, easy cleaning, low static and good rebound elasticity, which comprises the following steps: a pure vegetable PVA paste is adopted to implement sizing processing of Somalor fibers, an automatic air jetting loom is used for producing a loom stare with the Somalor fibers, the loom stare is placed in water bath at the temperature of 80 plus or minus 5 DEG C to implement refinement preprocessing, 2 percent of a scouring agent SK, 0.1 to 2.5 percent of a Clariant dispersing dye, and 4 percent of Clariant Rayosan C liquid by weight are added under the bath ratio condition of 1 to 3, HAC is added so as to adjust the pH value of the water bath to be 5, and dyeing is implemented at the temperature of 90 to 125 DEG C for at least 20 minutes; the dyed loom stare is processed by post water bath at the temperature of 80 plus or minus 5 DEG C, stentered by a stentering machine, parched, and finally shaped at the temperature of 120 plus or minus 5 DEG C by a forming machine at the speed of 40m per minute. The production method of the memory surface fabric avoids desizing and color fixation, realizes dyeing at low temperature, does not use a chemical softening agent of organic silicon, and is environment-friendly and energy-saving.
Owner:冠宏股份有限公司

Method for producing non-dust cloth

The invention belongs to the technical field of non-dust cloth and particularly relates to a method for producing the non-dust cloth. The non-dust cloth is produced by waving 100 percent synthetic fiber used as a raw material into gray cloth, and processing the gray cloth by the steps of washing and refining, drying and setting, tailoring and edge sealing, wherein the washing and refining procedure mainly comprises the following steps of: placing the gray cloth in a washing cylinder and injecting EDI (Eiecterodionization) water; heating the EDI water, then adding an elastic texture refining agent, soaking and then draining the EDI water; injecting the EDI water, cleaning the gray cloth and then draining the EDI water; injecting the EDI water, heating, adding caustic soda, soaking and draining the EDI water; injecting the EDI water, cleaning the gray cloth and then draining the EDI water; injecting the EDI water, adding acetic acid, soaking and draining the EDI water; injecting the EDI water, cleaning the gray cloth and then draining the EDI water; and finishing the washing and refining procedure. By using the invention, the production procedure and the production time are reduced, the production cost is reduced and the produced non-dust cloth has high cleanness, strong dust adsorption capability and favorable antistatic effect.
Owner:东莞市中港净化用品科技有限公司

Scouring, bleaching and dyeing process for polyester fabric

The invention discloses a scouring, bleaching and dyeing process for polyester fabric. The scouring, bleaching and dyeing process comprises the following steps: 1) addition of additives: an alkaline leveling agent, a dispersing agent, a scouring agent, an deoil agent and a dyeing accelerant are added to a bath solution after fabric feeding at the room temperature; 2) addition of a disperse dye: operation is performed for 5-15 min after addition of the additives, and then the disperse dye is added; 3) heating and addition of alkaline liquor: heating is performed gradually after the disperse dye is added, the alkaline liquor is added when the temperature reaches 70 DEG C, and H2O2 is required to be added if the fabric has mildew stains; 4) temperature increasing: the temperature is increased gradually to 130 DEG C; 5) temperature keeping: the temperature is kept at 130 DEG C for 20-40 min; 6) temperature reduction and washing. According to consideration of energy saving, emission reduction, improvement of product quality and increase of production efficiency, the polyester home fabric is dyed with a disperse dye alkaline bath, the process procedure can be shortened, energy saving and emission reduction can be realized, further, problems caused by spinning oil, a sizing agent and oligomers can be solved, and the product quality can be improved.
Owner:ZHEJIANG SHENGFA TEXTILE PRINTING & DYEING
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