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6553 results about "Stearate" patented technology

Stearates are the salts and esters of stearic acid. The conjugate base of stearic acid, C₁₇H₃₅COO⁻, is also known as the stearate anion.

Mixed glue bundle pharmaceutical preparations produced in combination use of multiple surfactant and processes for their preparation

The present invention relates to a mixed micelle medicine preparation and a preparation method, which is prepared by the combination of various kinds of surface acting agents. The mixed micelle consists of the polyethylene glycol-12-hydroxy stearate and the other surface acting agents of one kind or various kinds. The other surface acting agents comprise phospholipid, VE Macrogol succinate, Macrogol-VE-carbonate and Macrogol-VE-succinate. In addition, the mixed micelle also comprises drugs, solvent, a stabilizer with or without other components and a PH conditioner. The amount of the polyethylene glycol-12-hydroxy stearate in the prescription is 4 percentage to 40 percentage, W / V: the amount of the phospholipid is 0 percentage to 30 percentage, W / V: the amount of the activator is 0 percentage to 30 percentage, W / V: the amount of the drug is 0.001 percentage to 10 percentage, W / V: the amount of the solvent is 0 percentage to 90 percentage, W / V. The medicine comprises the hydrophobicity drug and the lip solubility drug, but the medicine is not restricted by the both kinds of drugs. The present invention has the following advantages. Firstly, the preparation has good dilution stability, which can improve the defect in the present preparation and can meet the demanding for clinical drug administration. Secondly, the toxicity is low and the chemical stability is excellent.
Owner:SHENYANG PHARMA UNIVERSITY

Agronomic crop stalk medium density fiberboard using natural rubber and manufacturing method therefor

The invention provides a crop straw medium density fiberboard by natural gum. Raw materials of the medium density fiberboard comprise crop straw fiber, a bonding agent, a waterproof and lubricating agent and a flame retardant, wherein the bonding agent is natural gum and comprises plant gum and animal gum; the waterproof and lubricating agent is natural wax, stearic acid or stearate; and the flame retardant is non-toxic and harmless flame retardant. The mixture ratio for all the raw materials by weight percent is: 75 to 93 percent of the crop straw fiber, 1 to 8 percent of the bonding agent (dried), 0.5 to 8 percent of the waterproof and lubricating agent, and 5.5 to 23.5 percent of the flame retardant. All the raw materials are produced into a finished product through mixing, sizing, spreading, prepressing, hot pressing and edge cutting; and microwave is used for auxiliary heating in the hot pressing phase. The crop straw medium density fiberboard by the natural gum can realize complete degradation under natural condition after the medium density fiberboard is abandoned or destroyed without any nonreversible destruction to the environment, so the production and application of the crop straw medium density fiberboard realize complete sustainability and recyclability, and have significant realistic and historic significance.
Owner:张东旭

Construction garbage concrete segment and method for producing the same

The invention discloses a building waste concrete brick and a manufacturing method thereof. The brick is manufactured by mixing, molding, maintaining and drying regenerative raw materials of the building waste, cement, fly ash, a tackifier, a waterproof agent, an excitant and water. The regenerative raw materials of the building waste is obtained by processing waste concrete and such inorganic hard ingredients as manufactured products, waste tiles, waste stones and the like, with the maximum grain size of 8mm; the tackifier is the carbide slag, high-viscosity attapulgite clay powder, cellulose ether and the like; the waterproof agent is the products of stearate series; the excitant is quicklime powder, calcium chloride, sodium sulfate and the like. The brick of the invention prepared through the steps of raw material stirring, molding, maintaining and drying has simple technique, easy operation, low cost and stable product quality; the wall bodies built with the brick have good impermeability and anti-cracking performance. A large amount of building wastes which are low in price are utilized for the brick, thus reducing the consumption of natural resources, conforming to the strategy of sustainable development and witnessing obvious social and environmental benefits.
Owner:CHINA BUILDING MATERIALS ACAD

Method for manufacturing dry-pressing formed sintered permanent ferrite

InactiveCN101205137AIncrease productivityEasy to realize automatic moldingMetallurgyPolyethylene glycol
The invention relates to a manufacturing method of sintering permanent magnetism ferrite by dry-pressing molding. The method comprises following working procedures: crushing process, the preparation process of dry pressing the magnetic powder, dry pressing process and sinter process. The organic dispersant added in the crushing process is one or a plurality among polyethylene glycol, calcium stearate and calcium gluconate, and the content of the organic dispersant is 0.1wtpercent-1.5wtpercent; the bond added in the he preparation process of dry pressing the magnetic powder is one or a plurality among PVA, polyethylene glycol, camphor and stearate, and the content of the bond is 0.1wtpercent-1.5wtpercent. 1. The manufacturing method of sintering permanent magnetism ferrite by dry-pressing molding of the invention has the advantages of that the productivity effect is high, the molding mould is simple and the automation molding is easy to be realized; the surface of the molded finished product is lubricous and even, the fettling is not needed, and the workload of the post processing is decreased greatly; 2. The manufacturing method of sintering permanent magnetism ferrite by dry-pressing molding of the invention adopts the unique preparation technique of dry pressing the magnetic powder, and the orientation in the process of magnetic field press is relatively good, and the high Br and high HCJ dry-pressing sintering permanent magnetism ferrite is easy to be gained; 3. The manufacturing method of sintering permanent magnetism ferrite by dry-pressing molding of the invention adopts the pre-sintering material with a better performance of ion substitutional main prescription, and a dry-pressing anisotropic sintering permanent magnetism ferrite with a better magnetism performance can be achieved.
Owner:HENGDIAN GRP DMEGC MAGNETICS CO LTD

Fragrant environment protection polyvinyl chloride granules

The invention discloses aromatic environment protective PVC granules which includes the components with the following weight portions: 100 weight portions of PVC resin; 8 weight portions to 40 weight portions of DOTP plasticizer; 10 weight portions to 40 weight portions of TOTM plasticizer; 2 weight portions to 12 weight portions of environment protective Ca / Zn thermal stabilizer; 0.1 weight portion to 1.5 weight portions of antioxidizer; 0 weight portion to 2.5 weight portions of polyethlene wax; 2 weight portions to 12 weight portions of plastic deodorant; 2 weight portions to 12 weight portions of aromatic essence, 0.5 weight portion to 3 weight portions of barium stearate; 0.1 weight portion to 3 weight portions of stearic acid; 3 weight portions to 20 weight portions of highly activated calcium bicarbonate filler; 0 weight portion to 10 weight portions of environment protective non-toxic flame retardant. The invention has the advantages that because all the raw materials in the prescription are safe and environment protective, the granulate is non-toxic, harmless and aromatic, has excellent performance, is environment protective, has no pollution and meets relevant provisions of the ROHS directive issued by European Union and the ''Management Method on Control of Electronic Information Product Pollution'' issued by China. The granule has wide scope of application, and is suitable to serve as the insulating material of wires and cables, floor leather material, sole material, toys for children and daily plastic products.
Owner:TBEA DEYANG CABLE CO LTD

Three-layer noise reduction drainage pipe and manufacture method thereof

The invention discloses a three-layer noise reduction drainage pipe, which comprises a drainage pipe body, wherein the drainage pipe body is a three-layer co-extrusion composite pipe formed by an impact-resistance outer layer, a noise reduction middle layer and an impact-resistance inner layer through co-extrusion. The noise reduction middle layer is a sound-absorbing middle layer or a sound insulation middle layer made of expandable polyvinyl chloride composition materials. The above layers are prepared with the following materials. The impact-resistance outer layer is made of polyvinyl chloride resin, chlorinated polyethylene, dibasic lead phosphite, tribasic lead sulfate, calcium stearate, lead stearate, paraffin, PVC processing and modifying agent, active light calcium carbonate, titanium dioxide and dioctyl phthalate. The sound-absorbing middle layer is made of polyvinyl chloride resin, chlorinated polyethylene, lead salt stabilizer, calcium stearate, stearic acid, paraffin, dioctyl phthalate, active light calcium carbonate and barium sulfate. The sound insulation middle layer is made of polyvinyl chloride resin, methacrylic ester polymer and inorganic foaming agent. Compared with the outer layer, the impact-resistance inner layer comprises the same components with the outer layer, except that PVC is adopted instead of polyvinyl chloride resin. The noise of the drainage pipe can be effectively reduced and the intensity of the drainage pipe is enhanced.
Owner:ZHEJIANG SANLENG PLASTIC

PET (polyethylene glycol terephthalate) fiber/teflon fiber composite sound absorbing cotton and preparation method of PET fiber/teflon fiber composite sound absorbing cotton

The invention discloses PET (polyethylene glycol terephthalate) fiber/teflon fiber composite sound absorbing cotton, which is prepared from the following ingredients in parts by weight: 70 to 80 parts of PET fibers, 40 to 50 parts of teflon fibers, 10 to 15 parts of emulsifying agents OP-30, 5 to 10 parts of peregal O-20, 80 to 100 parts of PP (propene polymer), 30 to 40 parts of HIPS (high impact polystyrene), 15 to 20 parts of activated clay, 10 to 15 parts of modified kieselguhr, 2 to 3 parts of stearic acid, 5 to 8 parts of dioctyl adipate, 4 to 6 parts of cresyl diphenyl phosphate, 2 to 3 parts of liquid paraffin, 1 to 2 parts of 3-aminopropyltrimethoxysilane, 2 to 3 parts of calcium stearate, 1 to 2 parts of barium stearate, 0.5 to 1.5 parts of anti-aging agents RD and 1 to 2 parts of antioxidants DLTP (dilauryl thiodipropionate). The sound absorbing cotton prepared by the invention has the advantages that the appearance evenness is good, the thickness is uniform, the hand feeling is soft, the product bonding degree is good, the tensile performance is high, the sound absorbing performance is excellent, the flame retardant effect is good, and the like.
Owner:芜湖跃飞新型吸音材料股份有限公司
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