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60results about How to "Adjust rheology" patented technology

Multi-path thick coating and one-step molded rubber-state waterproof coating and preparation method thereof

The invention relates to multi-path thick coating and one-step molded rubber-state waterproof coating and a preparation method thereof and belongs to the technical field of sealing water prevention. The rubber-state waterproof coating provided by the invention is mainly prepared from the following raw materials in percentage by mass: 0 to 75 percent of modified asphalt, 0 to 80 percent of asphaltregeneration agent, 0.01 to 30 percent of quick-drying creaming agent and 10 to 70 percent of emulsified liquid; the rubber-state waterproof coating is prepared through steps of preparing a rubber asphalt mixture, preparing the emulsified liquid, emulsifying and creaming and de-foaming. According to the rubber-state waterproof coating, an inorganic creaming agent is used as the quick-drying creaming agent and the emulsified liquid is used for emulsifying and creaming the rubber asphalt mixture through a colloid mill by adopting a one-pot method and the prepared rubber-state waterproof coatingis uniform, fine and smooth and has high quality; the rubber-state waterproof coating has very good thixotropic performance, rapid dehydration and drying properties and excellent construction and application performance; the production efficiency is improved by applying the one-pot method and quality stability of a product and environment protection are facilitated.
Owner:XI NIU PI WATERPROOFING TECH CO LTD

Filtrate reducer for drilling fluid as well as preparation method and application thereof

InactiveCN108774505AStrong filtration wallStrong anti-salt and anti-calcium performanceDrilling compositionBetaineTetrahydrofuran
The invention discloses a filtrate reducer for drilling fluid as well as a preparation method and application thereof. The filtrate reducer disclosed by the invention comprises the following raw material components in parts by weight: 25-30 parts of starch, 3-5 parts of tetrahydrofuran, 0.25-0.5 part of maleic anhydride, 20-30 parts of acrylamide propyl trimethoxysilane, 5-15 parts of 2-acrylamido-2-methylpropane sulfonic acid, 0.3-0.5 part of dimethyl sulfoxide, 5-10 parts of N-benzyl-3-pyrrolidone, 5-10 parts of ammonium persulfate, 5-10 parts of sodium hydrogen sulfite, 10-20 parts of alkyldimethyl betaine and 100 parts of water. The filtrate reducer disclosed by the invention achieves an excellent effect of reducing the filter loss in a clay free phase high-density drilling fluid system, and has excellent salt and calcium resistance and high pollution resistance; the filtrate reducer has an obvious effect of reducing the filter loss, is excellent in temperature and salt resistanteffect and has an excellent suspension effect on the solid phase; and the tackifying amplitude is moderate in the drilling fluid system, and field application requirements are well met.
Owner:张建华

Biomass synthetic base drilling fluid and preparation method thereof

The invention provides biomass synthetic base drilling fluid and a preparation method thereof and belongs to the technical field of expansion of petroleum natural gas environment-friendly type synthetic base drilling fluid. The biomass synthetic base drilling fluid provided by the invention comprises biomass base fluid, a CaCl2 water solution, organic soil, an emulsifier, a wetting agent, a fluidloss agent, CaO and barite. The biomass base fluid, the emulsifier and the wetting agent have a cooperative agent; under the cooperative effect of all components in the drilling fluid, the biomass synthetic base drilling fluid provided by the invention has relatively good performance; and all the raw materials are green and environmentally friendly and have a relatively low price and good biodegradability, and the biomass synthetic base drilling fluid is novel green synthetic base drilling fluid.
Owner:SINOPEC SSC +1

Preparation method of cationic silicon-fluorine thinning agent for drilling fluid

The invention discloses a preparation method of a cationic silicon-fluorine thinning agent for drilling fluid. The preparation method comprises the following steps: 1), sequentially adding 50 ml of methyl methacrylate and 100 ml of butyl acrylate into 500 ml of distilled water, stirring uniformly, further adding 7.5 ml of Span-80, stirring for 1 h to form a monomer pre-emulsion; 2), taking out the pre-emulsion, sequentially adding 35 ml of hexafluorobutyl methacrylate, 25 ml of dodecafluoroheptyl methacrylate, 25 ml of gamma-methacryloxypropyltrimethoxysilane and 40 ml of vinyl trimethoxy silane, and performing ultrasonic oscillation dispersion for 10 min; 3), taking 1/5 of emulsion which is subjected to ultrasonic oscillation, adding 3 g of ammonium persulfate into the emulsion, and adding the emulsion into a flask for heating in water bath, and further adding 3 g of ammonium persulfate and distilled water into the emulsion after the heated emulsion reaches the reaction temperature; 4), after the emulsion gives out blue light, dropwise adding the residual 4/5 of emulsion within 15 min, and adding 3 g of ammonium persulfate for heat preservation for 1 h, and finally taking out. With the adoption of the thinning agent prepared by adopting the preparation method provided by the invention, the interaction between clays is reduced, and the viscosity of drilling fluid is further decreased.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Epoxy colored pavement finish paint and preparation and construction process thereof

The invention discloses an epoxy colored pavement finish paint and a preparation and construction process thereof. The epoxy colored pavement finish paint contains components A and B, wherein the component A is a curing agent, and the component B is prepared from, by mass, 30-50% of epoxy resin, 5-10% of reactive diluent, 0.5-2% of anti-settling agent, 1-5% of pigment, 20-40% of quartz powder and 20-40% of coarse whiting. The epoxy colored pavement finish paint is green and environmentally friendly, is free of irritant smell, has reliable and permanent adhesion power with different basal planes, also has good weather resistance and chemical corrosion resistance, is not saponified on alkaline concrete, and has excellent waterproof and dampproof properties, good flexibility, impact resisting property and excellent anti-slip protection property. In addition, the preparation process of the finish paint is simple, the conditions are mild, the construction time is longer than conventional time, construction operation is easy, the requirements for the environment is not strict during construction, and the finish paint is low in cost, economical, practical and suitable for large-area popularization.
Owner:深圳市威尔地坪材料有限公司

Waterborne acrylic acid modified alkyd pre-coating primer for railway vehicle and preparation method of pre-coating primer

InactiveCN109554061ABig performance impactInconvenient to paintAnti-corrosive paintsWater basedSoftened water
The invention belongs to the technical fields of pre-coating primers and preparation methods thereof. The invention discloses a waterborne acrylic acid modified alkyd pre-coating primer for a railwayvehicle and a preparation method of the pre-coating primer. The main technical characteristics of the pre-coating primer are that the waterborne acrylic acid modified alkyd pre-coating primer for therailway vehicle comprises water-based resin, wherein the water-based resin is prepared from the following components in parts by weight: 2-4 parts of plant oil, 1.29-1.47 parts of a polyhydric alcohol, 20-40 parts of saturated binary acid, 20-40 parts of unsaturated binary acid, 10-20 parts of acrylic acid, 10-20 parts of methacrylic acid, 1.5-2.0 parts of butyl acrylate, 20-40 parts of styrene, 20-40 parts of a cosolvent, 15-30 parts of a neutralizer, 10-20 parts of xylene, 0.01-0.03 part of an initiator, and 29-32.5 parts of softened water with conductivity of less than or equal to 10 [mu]S / cm. The resin is used for preparing the pre-coating primer which is a polymer taking lipophilic alkyd as a core and taking a hydrophilic acrylate copolymer as a shell. The particle size is small, compactness of the obtained paint film is high, the adhesive force is strong, and corrosion resistance is good.
Owner:ANPING JINLONG VEHICLE EQUIP

PMMA coating slurry, PMMA compound coating diaphragm and preparation method thereof

The invention relates to PMMA coating slurry, a PMMA compound coating diaphragm and a preparation method thereof and belongs to the technical field of battery diaphragms. The PMMA coating slurry is prepared from the following raw materials in parts by weight: 1-4 parts of polymethyl methacrylate, 1.0-2.0 parts of a thickener, 0.00001-0.0001 part of a wetting agent and 5-20 parts of water. According to the PMMA coating slurry, taking water as a solvent and polymethyl methacrylate as a film forming component, water is evaporated at a certain temperature, so that the coating slurry forms a film on the surface of a base film. As the interface bonding action of polymethyl methacrylate is relatively good, so that the adhesive strength of the coating diaphragm is improved.
Owner:HEBEI GELLEC NEW ENERGY MATERIAL SCI&TECHNOLOY CO LTD

Water-based drilling fluid and preparing method thereof

The invention provides water-based drilling fluid and a preparing method thereof. The water-based drilling fluid avoids extra-added high temperature resistant thickening agent, high temperature resistant diluent and high temperature stabilizing agent or surface active agent and also has good filtration controlling performance, rheological property and high temperature stability at a high temperature of 220 DEG C. The method for preparing the water-based drilling fluid is convenient and easy to implement and suitable for drilling field use.
Owner:BEIJING INST OF EXPLORATION ENG

Magnesium oxychloride cement paste, preparation method and application thereof in prevention of oil base drilling fluid loss

PendingCN108751924AHigh compressive strengthSolve the problem of not being able to meet the plugging strength requirementsProductsReagentsMagnesiumOxide
The invention provides a magnesium oxychloride cement paste. The magnesium oxychloride cement paste is prepared from the following raw materials in parts by weight: 16 to 25 parts of fresh water, 45 to 60 parts of magnesium oxide, 20 to 30 parts of magnesium chloride, 1 to 3 parts of a fluid loss agent, 1 to 3 parts of a dispersing agent and 3 to 8 parts of a retarder. The magnesium oxychloride cement paste provided by the invention has preferable strength, and can be used for blocking large and medium sized drilling fluid loss. Moreover, the magnesium oxychloride cement paste provided by theinvention also has preferable compressive strength under the invaded pollution of oil base drilling fluids.
Owner:YANGTZE UNIVERSITY +1

Preparation method of high-temperature color retention printing ink

The invention discloses a preparation method of high-temperature color retention printing ink, which comprises the following procedures of: 1) adding an appropriate amount of polyester modification methoxyphenyl silicon resin, barium sulfate and the like into a refiner and performing grinding and dispersion to form a primary product, 2) adding octaphenyl polyoxyethyiene, polytetrafluoroethylene wax, polyether modified siloxane and an organosilicon defoaming agent into the primary product and performing grinding and dispersion to form a secondary product, 3) adding hexamethoxy methyl melamine resin into the secondary product and performing grinding, dispersion, filtration and discharging to form an ink main agent, and 4) adding an appropriate amount of dimethylbenzene and cyclohexanone into the ink main agent and performing stirring to form the high-temperature color retention printing ink. The ink prepared by the method has high temperature resistance and good printability and paint film performances. With the adoption of barium sulfate, silicon dioxide and low melting point glass powder as filling, the filming heat resistance of the ink is improved; the rheological and thixotropic properties of the ink are adjusted; and the physical mechanical strength of a film layer is improved.
Owner:重庆伟恒包装有限公司
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