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110results about How to "Good high and low temperature stability" patented technology

Mild soap base cleansing cream composition and production process thereof

The invention discloses a mild soap base cleansing cream composition and a production process thereof. The composition comprises, by weight, 2.0% to 50.0% of soap base, 2.0% to 30.0% of negative ion surface active agents, 0.5% to 20.0% of rheolobic modifiers and the balance water. The production process of the mild soap base cleansing cream comprises the following steps: firstly diluting fatty acid with other constituents, compatible with the fatty acid, in the formula and enabling the diluted fatty acid to disperse into fatty acid oil drips through blending; then adding in alkali liquor, so that tiny soap particles are generated after the alkali liquor contacts with the fatty acid oil drips; and finally adding in the constituents which can be added at a low temperature and blending evenly so that materials can be discharged directly. The mild soap base cleansing cream composition has a mild and moistening function, so that a skin can be neither dry nor tight and touches well after being washed. The mild soap base cleansing cream composition also has good high low temperature stability. The production process of the mild soap base cleansing cream is simple and easy to operate, has good repeatability, and can avoid quality problems frequently occurring in the production of a soap base cleansing cream.
Owner:浙江萃芙化妆品有限公司

Plate spring of interlayer reinforced two-dimensional/three-dimensional braided composite material and preparation method thereof

The invention discloses a plate spring of interlayer reinforced two-dimensional / three-dimensional braided composite material and a preparation method thereof. A monolayer fabric of different fiber materials is formed by three-dimensional stereo braiding, the monolayer of the special fiber material and in the three-dimensional braided structure is designed on the special part in relatively high rigid or strength requirements, and finally the layers are vertically seamed to make the laminated monolayer structure form a whole body. Finally, the fabric of the two-dimensional / three-dimensional composite structure and resin are repeatedly soaked and composited through a resin vacuum transfer moulding technology, and the novel automobile plate spring of composite material which is high in strength and rigidity, small in deformation amount, large in fatigues resistance, long in service life and high in high-low temperature environment adaptability is prepared through gradient heating and curing. The plate spring uses the novel structure and the structure form to satisfy the use requirements of different loading capacities especially automobiles with heavy loads, and the problems such as interlayer fracture caused by relatively low fatigue load strength of the common plate spring of two-dimensional laminated structure composite material are conquered.
Owner:SHANDONG UNIV

High-efficiency safe environment-friendly all-synthetic cutting fluid and preparation method thereof

InactiveCN104479833AImprove the lubrication effectExcellent rust and corrosion inhibition performanceLubricant compositionEnvironmental resistanceWork in process
The invention discloses a high-efficiency safe environment-friendly all-synthetic cutting fluid and a preparation method thereof. The cutting fluid consists of the following components in percentage by weight: 20-30% of synthetic ester, 4-8% of surfactant, 5-15% of antirust agent, 2-10% of pH regulator, 0-3% of corrosion inhibitor and the balance of deionized water. The preparation method comprises the following specific steps: adding the pH regulator into part of the deionized water and stirring uniformly; adding the corrosion inhibitor and the antirust agent in turn and stirring until solid powder is completely dissolved; after uniformly mixing and stirring the synthetic ester, adding the surfactant of the proportion and stirring for 15 minutes till uniformity; pouring a semi-finished product into the reaction system and stirring uniformly; repeatedly flushing the preparation container with the rest deionized water, and completely beating the flushing liquid back into the reaction system; and continuously stirring the reaction system until the solution is uniform and transparent to obtain a finished product. In the invention, the prepared all-synthetic cutting fluid has excellent lubricating and antirust and corrosion inhibition properties as well as good stability at high and low temperature to avoid color change, and avoids stimulation to the skin of a human body; and moreover, the all-synthetic cutting fluid has good biological stability and is safe, environment-friendly and non-irritant.
Owner:JIANGSU XINLU NEW MATERIALS CO LTD

Graphene composite rubber asphalt modifier as well as preparation method and application thereof

The invention discloses a graphene composite rubber asphalt modifier as well as a preparation method and application thereof. The graphene composite rubber asphalt modifier is prepared from the following components in parts by weight: 0.00005 to 0.01 part of graphene powder, 3 to 23 parts of dispersion medium, 78 to 92 parts of rubber powder and 0.05 to 6 parts of additive. The preparation methodof the graphene composite rubber asphalt modifier comprises the following steps: (1) mixing the graphene powder with the dispersion medium, mechanically stirring the graphene powder and the dispersionmedium so as to obtain a graphene dispersion solution through high-speed dispersion; (2) carrying out banburying on the graphene dispersion solution, the rubber powder and the additive to prepare thegraphene composite rubber asphalt modifier. The graphene composite rubber asphalt modifier or the preparation method can be applied to the asphalt modifier, so that the compatibility and the stability of the rubber powder in the asphalt can be greatly improved, the binding performance of the graphene composite rubber modified asphalt and sand stones and high-low temperature stabilizing performance can be improved, and meanwhile, the temperature of a road surface is reduced and the service life of the road surface is prolonged.
Owner:GUANGXI UNIV +1

Environment-friendly composite multisoap base self-repairing bearing grease and preparation method thereof

ActiveCN102604724AImprove performanceOvercoming the lack of extreme pressure wear resistanceLubricant compositionMaximum levelWear resistant
The invention relates to environment-friendly composite multisoap base self-repairing bearing grease and a preparation method of the bearing grease. The bearing grease is prepared from composite base liquid, a composite calcium soap thickening agent, an oxidation and corrosion resistant additive, a tungsten disulfide extreme pressure additive, a metal deactivator, a polarization graphite wear resistant additive, a self-repairing additive and a structure improving agent. According to the bearing grease provided by the invention, an additive containing non-heavy metal elements is used to replace the originally used additive containing heavy metal elements. Because base liquid, a thickening agent and an additive are all optimized, the bearing grease provided by the invention is more excellent in combination property and highlighted in abrasion resistance, maintains an excellent level in extreme pressure property, can fully meet the requirements of the bit bearing extreme pressure, the high temperature, a deep well with high temperature, the high-impact load and the abrasion resistance, meanwhile, can effectively supplement the defect that silver coating is not sufficiently brushed onthe bearing axial diameter plane, and acts a function of repairing an abrasion resistant layer on a metal seal and a rubber seal of a bit bearing, so that the service life of the bearing is prolongedat a maximum level.
Owner:KINGDREAM PLC CO +2

Preparation method for compound modified emulsified asphalt material and application thereof in porous pavements

The invention discloses a preparation method for a compound modified emulsified asphalt material and an application thereof in porous pavements and belongs to the technical field of road materials. The compound modified emulsified asphalt material is acquired by mixing 50-59 parts of porous pavement, 5-45 parts of emulsified asphalt modified additive, 1-4.5 parts of styrene-butadiene latex and 0.1-1 part of dispersing agent and then stirring for 30min at 300r/min. The emulsified asphalt modified additive contains the following components: 5-10 parts of polyphosphoric acid, 15-30 parts of thermoplastic polyurethane elastomer, 10-20 parts of styrene-butadiene segmented copolymer, 10-15 parts of nonionic asphalt emulsifier and 45-80 parts of deionized water. According to the invention, viscosity, softening point and 15 DEG C ductility of evaporated residue of modified emulsified asphalt can be effectively promoted; strength, abrasive resistance and low-temperature toughness of asphalt canbe promoted; brittle rupture can be prevented; after the compound modified emulsified asphalt is paved on a porous pavement, the porous pavement has the characteristics of high bonding strength and strong weather fastness; the compound modified emulsified asphalt material has an industry value.
Owner:JIANGSU SINOROAD TRANSPORTATION SCI & TECH CO LTD

Composite modified asphalt material applicable to anti-crack layer with pavement structure and preparation method thereof

The invention discloses a composite modified asphalt material applicable to an anti-crack layer with a pavement structure and a preparation method of the composite modified asphalt material. The composite modified asphalt comprises the following components by weight: 83.2-87.6 parts of substrate asphalt, 3.1-4.2 parts of thermoplastic styrene butadiene rubber (SBS), 1.3-1.7 parts of powder butadiene styrene rubber (PSBR), 5.3-6.7 parts of desulfuration rubber powder, 1.8-2.5 parts of acetyl tributyl citrate (ATBC), and 0.9-1.7 parts of accelerant, the sum of the parts in weight is 100, the accelerant is rubber filling oil. The composite modified asphalt is applicable to the anti-crack layer with the pavement structure; the anti-crack layer is usually used for a rigid-flexible composite pavement layer for additionally paving asphalt surface layer on a concrete rigid base layer with seams (old concrete pavement), also can be used for semi-rigid base asphalt pavement, so that delay the forming and expanding of reflection cracks can be delayed, the capability of the pavement structure is improved to resist fatigue cracks, the service quality of the pavement structure is improved, and the service life of the pavement structure is prolonged.
Owner:清远市金运再生资源有限公司

Electrolyte improving high temperature performance of battery, and lithium ion battery

The present invention discloses an electrolyte improving high temperature performance of a battery, and a lithium ion battery. The electrolyte comprises a lithium salt, a non-aqueous solvent, a film formation additive, and a dehydrator. The chemical formula of the lithium salt is as shown in the specification, wherein R1, R2 and R3 are any one of alkyl, alkoxy carbonyl, alkyl sulfonyl, alkenyl, and a halogen atom with 1-12 carbon atoms. According to the electrolyte, the novel lithium salt, the film formation additive and the dehydrator play a synergetic role, so that lithium manganese iron phosphate is inhibited from absorbing water so as not to lead to the fact that the electrolyte is decomposed and generates air and metal ions of a ternary material precipitate , which affects the high temperature performance of the battery. The ternary mixed manganese iron phosphate lithium battery using the electrolyte has good high temperature cycle performance and high temperature storage performance. The high temperature performance is improved, so that the high and low temperature stability performance is improved, the high and low temperature security is ensured, the application range of the lithium ion battery is enlarged, and the product competitiveness is improved.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

High-speed railway door system rubber sealing strip protection grease composition and preparation method thereof

The invention discloses a high-speed railway door system rubber sealing strip protection grease composition and a preparation method thereof, and belongs to the technical field of sealing greases, wherein the raw materials comprise, by weight, 40-80% of base oil, 10-50% of a thickener, 0-20% of a filler, 0.5-5% of a metal corrosion inhibitor, and 0-5% of an antioxidant, The invention further provides a preparation method of the protection grease composition, wherein the raw materials are subjected to thermal insulation activation, heating smelting and stirring grinding to prepare the high-speed railway door system rubber sealing strip protection grease composition. According to the present invention, the inert substance is used to form the perfluoropolyether lubricating grease type high-speed railway door system sealing grease, such that the obtained grease composition has characteristics of extremely low oil separation rate, white color, no pollution, and excellent high-low temperature stability; the good sealing property is ensured while the good protection performance is provided for the sealing glue strip and the metal member, such that the grease composition is the ideal high-speed railway door system sealing grease; and the preparation method is simple, is easy to control, and is suitable for industrialization.
Owner:青岛市资源化学与新材料研究中心

Wear, heat and aging-resistant lubricating oil for precision instrument and preparation method of wear, heat and aging-resistant lubricating oil

The invention discloses wear, heat and aging-resistant lubricating oil for a precision instrument. The wear, heat and aging-resistant lubricating oil consists of the following raw materials in part byweight: 100 parts of composite base oil, 10-20 parts of pentaerythritol ester, 0.5-1.5 parts of dodecafluoroheptyl methacrylate, 1-3 parts of triethanolamine borate, 3-6 parts of sulfurized fatty acid ester, 1-4 parts of alkaryl calcium sulfonate, 0.3-0.8 part of a diethylbenzene coupling agent, 3-6 parts of an anti-friction lubricating additive and 2-7 parts of a modified additive. The wear, heat and aging-resistant lubricating oil disclosed by the invention has the beneficial effects that the high-quality and high-performance composite base oil is adopted to be compounded with the other modified raw materials, and the lubricating oil with high lubricating performance, high corrosion, rust and wear resistance, high high and low-temperature resistance stability, excellent heat and aging resistance and high sustainability is prepared through a simple and effective preparation method; and the lubricating oil disclosed by the invention is thick and fine liquid and is simple in processingmethod, convenient to use and suitable for the high-precision instrument.
Owner:SUZHOU KEMAO ELECTRONICS MATERIALS TECH
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