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117results about How to "Dose less" patented technology

Oil field crude oil pour point depressant and preparing method thereof

ActiveCN105387347AImproves shear resistanceSimple processPipeline systemsWaxChemistry
The invention belongs to the technical field of oil-gas-water collecting and transporting and discloses an oil field crude oil pour point depressant and a preparing method of the oil field crude oil pour point depressant. The preparing method includes the steps that acrylic ester or metacrylic acid ester is mixed with perfluor carboxylic ester firstly, an organic solvent is added, the temperature rises, and stirring is conducted; then styrene is added, the temperature rises under the nitrogen protection, an organic solvent solution of an initiator is dripped, and a product A is obtained after a reaction; and finally, a-olefin, a polymer B and the product A are mixed and evenly stirred, and the oil field crude oil pour point depressant is obtained. The oil field crude oil pour point depressant has the paraffin prevention pour point depressing function, does not contain chlorine, is very suitable for transporting of crude oil of an offshore oil field and has the characteristics that the dosage is small, and the pour point depressing amplitude is large. The preparing method of the oil field crude oil pour point depressant is simple, a polar group containing fluorine is directly introduced into a molecular chain through a further reaction, the reaction process is easy to control, safe, reliable and environment-friendly, and high general applicability is achieved.
Owner:中海油(天津)油田化工有限公司 +1

Pharmaceutical composition made from Chinese traditional medecine and method of producing thereof

This invention has published a composition of medicine and its preparation, which can treat diabetes, hyperlipemia, fatigue and hypoxia. The preparation is as following: 300-1000 part-by-weight of prepared rehmannia root, 150-600 part-by-weight of prepa red dogwood fruit, 100-450 part-by-weight of tree peony bark, 150-600 part-by-weight of chinese yam, 100-450 part-by-weight of indian bread, 100-450 part-by-weight of alisma rhizome, right amount of refined edible vegetable oil are the materials; the tree peony bark is distilled; the residue of the tree peony bark after distillation, the prepared rehmannia root, the chinese yam and the indian bread are decocted to get the mixed liquor; the paeonol mother liquor is added into the mixed liquor to get extracturm I by centrifugation and concentration; the prepared dogwood fruit and the alisma rhizome are extracted in the refluxing alcohol; the extract is concentrated to get extracturm II; the extracturm I and II are mixed and concentrated to the thick paste; the thick paste is dehydrated in the vacuum, smashed and sifting; The refined paeonol is smashed and added into the extracturm powder; the mixed powder is added with right amount of supplementary materials and milled by the colloid mill, sifting screening; the fine powder is made into soft capsule. The invented capsule has the features of bringing into play in a shorter time, better curative effect and lower dose for oral administration, easier to administrate and stable product quality.
Owner:JIANGSU KANION PHARMA CO LTD

Gear oil composition

The invention provides a gear oil composition which comprises the following main components: (A) a low-alkali detergent with the mass accounting for 0.1%-2.0% of the total mass of the composition, (B) a sulfur-containing extreme-pressure anti-wear agent with the mass accounting for 1.0%-4.0% of the total mass of the composition, (C) an antioxidant with the mass accounting for 0.2%-2.0% of the total mass of the composition, (D) a ZDDP (zinc dialkyl dithiophosphate) oxidation and corrosion inhibitor with the mass accounting for 0.05%-1.0% of the total mass of the composition, (E) an oiliness agent with the mass accounting for 0.2%-1.2% of the total mass of the composition and (F) lubricating base oil, wherein a preparation method of the low-alkali detergent comprises the following steps: producing a saponification reaction of organic sulfur phosphonic acid, alkali metal and/or alkaline-earth metal oxide, water and alkyl salicylic acid with an inorganic acid and/or aryl carboxylic acid accelerant at the same time or successively, and collecting products. The gear oil composition is low in additive dosage and phosphorus content, relatively low in corrosivity, and relatively good in extreme pressure property and wear resistance, is a lubricating oil composition with excellent performance, and meets the requirements of low emission and environmental friendliness of lubricating oil.
Owner:CHINA PETROLEUM & CHEM CORP +1

Molybdenum modification dispersant, and preparation method and applications thereof

The invention discloses a molybdenum modification dispersant, and a preparation method and applications thereof. The molybdenum modification dispersant comprises an imine diethanol molybdic acid diester group. The preparation method comprises the following steps: mixing succinic acid with alkyl chains and / or succinic anhydride with alkyl chains, alcohol amine compounds, and / or a diluent, carrying out first-phase reactions, removing residual unreacted substances that may exist, and adding a molybdenum reagent to carry out second phase reactions to obtain the target product. The molybdenum modification dispersant does not contain any sulfur or phosphor. Each molecule comprises an imine diethanol molybdic acid diester group, and thus the molybdenum content of the dispersant can be increased. Moreover, the raw material namely succinic acid with alkyl chains is commercial, the cost is largely reduced; the dispersant can generate a prominent high temperature synergetic antioxidant effect with alkylated diphenylamine antioxidant in lubricating oil; moreover, the dispersant can generate a good synergetic wear-resistant and friction reducing effect with zinc dialkyl dithiophosphate, the using amount of similar additive is reduced, the phosphor content is reduced, and the economy of fuel oil is improved.
Owner:江西福安路润滑材料有限公司
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