31results about How to "Good anti-sticking properties" patented technology

The invention relates to a steel used for straight seam electric resistance welding petroleum casing and a casing manufacturing method, which is applied to a straight seam electric resistance welding petroleum casing used for an oil and gas well in petroleum and gas industry. The steel used for the straight seam electric resistance welding petroleum casing comprises the following components in percentage by mass: 0.15-0.28% of C, 1.0-1.6% of Mn, 0.2-0.4% of Si, 0. 02-0.06% of Al, less than or equal to 0.01% of P, less than or equal to 0.005% of S, less than or equal to 0.008% of N, 0.001-0.005% of Ca and the balance of Fe. The preparation method comprises the steps of: preparing hot-rolled plate coils, producing straight seam electric resistance welding steel pipes by the hot-rolled plate coils, carrying out welding seam normalization or overall normalization on the welded steel pipes, straightening and cutting the normalized or tempered welded steel pipes into pipe segments with the length of 10-12m, and processing API standard screw threads. The invention has the advantages that the steel has good strength and toughness, the welding seam has no defect, and the properties of the steel are uniform with those of mother material. The yield strength is greater than or equal to 380-760MPa, the tensile strength is greater than or equal to 520-865MPa, the elongation is greater than or equal to 20%, and the impact energy of a room-temperature transverse full-size V-shaped notch is greater than or equal to 40J.

A high hydrophobic anti pasting poster paint, which is characterized in that the coating includes following components, weight parts of each is: water 20-40, thickening agents 0.1-3, AMP 95 0.1-0.5, dispersant 0.2-2, defoamer 0.1-0.5, color filling agent 20-50, hydrophobic surface anti pasting agent 0.1-0.5, emulsion 10-40, film-forming additive 0-2, preservative agent 0.1-1. the color filling agent is composed of diatomite or calcium carbonate matching with quartz powder and titanium dioxide and mixing, wherein the weight ratio of diatomite or calcium carbonate: quartz powder: titanium dioxide is 1: 0.5-5.5: 1-5. The present invention is provided with characteristics of high surface hydrophobic nature and surface anti pasting ability after film-forming, not easy to doodle or covered by sewerage or other coatings, and not easy to be pasted by common advertisement sticker with gum in the back, stable property, simple production process and convenient for construction.

A coating composition, which is one-component or two-component, comprising an alkoxy- functional silicone resin, a hydroxy silicone oil having a dynamic viscosity of not more than 1,000 mPas at 25 DEGC, an aminosilane, and a catalyst, wherein the alkoxy-functional silicone resin and the hydroxyl silicone oil are in different components in a two-component coating composition. The coating composition herein is silicone-based and has excellent anti-graffiti and anti-stick properties. Moreover, the coating composition can be solvent free.

The invention relates to an additive for neutral desizing, oil removing and one-bath dyeing of chemical fiber fabrics and a preparation method thereof. Currently, no additives for neutral desizing, oil removing and one-bath dyeing of chemical fiber fabrics or preparation methods thereof are provided with excellent performance, energy saving, and consumption saving. The additive for neutral desizing, oil removing and one-bath dyeing of chemical fiber fabrics provided by the invention comprises 15-25 parts by weight of ANCconc, 15-30 parts of FMES, 5-15 parts of NPP, 5-10 parts of NA, 5-10 parts of penetrants, and 30-50 parts of water, wherein ANCconc is a surfactant with cleaning and anti-contamination functions, FMES is a sulfonate of fatty acid methyl ester ethoxylate, NPP is an oligomer remover, and NA is a multipurpose dispersant. The additive for neutral desizing, oil removing and one-bath dyeing of chemical fiber fabrics provided by the invention has excellent performance, allows the desizing, oil removing and one-bath dyeing processes of chemical fiber fabrics to be carried out under a neutral condition, and can realize direct dyeing without water washing, acid neutralization, or operating fluid discharge.

The invention relates to a multistage sealing anti-sticky buckle type thread for a titanium alloy oil casing. The multistage sealing anti-sticky buckle type thread comprises an oil casing coupling and an oil casing tube end, the oil casing coupling is provided with a standard API buttress internal thread which is sequentially connected with a tool withdrawal groove, a cone surface to cone surface first stage sealing structure, a cylinder surface to cylinder surface second stage sealing structure and a negative angle torque circular bead, wherein the cone surface to cone surface first stage sealing structure and the cylinder surface to cylinder surface second stage sealing structure are in transition through chambering, and the negative angle torque circular bead is connected with the standard API buttress internal thread through a transitional angle. The multistage sealing anti-sticky buckle type thread for the titanium alloy oil casing has the advantages that two stages of metal sealing and one negative angle torque circular bead sealing are added based on the improved buttress thread, the reliability of the air tightness of a thread connector is improved through the design of multistage sealing, meanwhile, the stress state of the thread connector is reduced by changing a thread parameter, the performance of an anti-sticky buckle is improved, and machining and detecting are convenient.

The invention discloses a micro arc oxidation composite stain resistant coating and a production method thereof. The production method specifically comprises the following steps that 1, a well prepared metal board substrate is mechanically polished, and the corners and the hiding parts are polished through manpower assistance; 2, the metal board substrate polished in the step 1 is placed into a ultrasonic cleaner to be rapidly washed by adding clean water and a sodium hydroxide solution and utilizing ultrasonic waves; 3, the washed metal board substrate in the step 2 is rapidly blown dry in warm air, the greasy stains and rusty spots on the surface of the substrate are removed; and 4, a micro arc oxidation electrolytic solution of potassium hydroxide, sodium sulfate and potassium fluorideis prepared and aged for stand-by application. The production method utilizes a coating machine to spray a layer of silicone fluoride modified coating on the surface of a ceramic layer, the silicone fluoride modified coating has the good anti-adhesion performance, anti-graffiti performance, outdoor durability, cold and hot resistance, stain resistance, anti-scrubbing performance and solvent resistance, and is waterproof and anti-creeping.

The invention relates to a threaded structure for connection of a well completion production tubular column of the petroleum and gas industry, in particular to an anti-bonding three-stage end surface metal sealing threaded connector for a titanium alloy pipe. The anti-bonding three-stage end surface metal sealing threaded connector for the titanium alloy pipe comprises an oil casing collar and an oil casing end, wherein the oil casing collar is provided with an API buttress inner thread, the oil casing end is provided with a buttress outer thread matched with the API buttress inner thread, a tool withdrawal groove is formed in one end of the API buttress inner thread and is sequentially connected with an arc surface I and an arc surface II through chamfer transition, the arc surface II is connected with a negative angle torque lifting shoulder I through chamfer transition, a conical surface, a cylindrical surface and a negative angle torque lifting shoulder II are arranged at one end of the buttress outer thread, the conical surface and the cylindrical surface sequentially correspond to the arc surface I and the arc surface II, the negative angle torque lifting shoulder II corresponds to the negative angle torque lifting shoulder I, and after the oil casing collar is matched with the oil casing end in a threaded mode, interference sealing is carried out on metal through a first-stage sealing structure of the arc surface I on the conical surface, a second-stage sealing structure of the arc surface II on the cylindrical surface and third-stage metal of the sealing structure of the negative angle torque lifting shoulders. The anti-bonding three-stage end surface metal sealing threaded connector for the titanium alloy pipe improves the air sealing reliability, and has good anti-bonding performance.

The invention discloses a high-hydrolysis-resistance anti-sticking backing adhesive used for an aluminum plastic composite tag and preparation of the adhesive. The adhesive comprises a component A anda component B, wherein the component A comprises polyester polyol, modified epoxide resin, hydroxy acrylic resin, a chain extender, a catalyst and a solvent; and the component B comprises an initiator and an isocyanate curing agent. The adhesive disclosed by the invention is particularly applicable to the adhesion of an aluminum foil or an aluminum coating and a PET thin film; the adhesive is high in adhesive strength to an aluminum plastic composite material and has good acid and alkaline resistance and damp-heat aging resistance, and high back adhesion resistance exists between adhesive layers and between an adhesive layer and aluminum respectively when the adhesive disclosed by the invention is applied; and after an etching technology of the aluminum plastic composite tag, the tag cannot be destroyed by back adhesion even if unrolling or rolling.

The invention discloses a surface coating for a building aluminum alloy template capable of preventing concrete adhesion and a preparation method of the surface coating. The surface coating for the building aluminum alloy template capable of preventing concrete adhesion is prepared from the following raw materials in parts by mass: 15 to 30 parts of modified epoxy resin, 5 to 15 parts of modifiedtitanium dioxide, 15 to 25 parts of polytetrafluoroethylene powder, 30 to 50 parts of ethyl acetate, 5 to 10 parts of N-methyl-2-pyrrolidone, 0.5 to 3 parts of a curing agent and 0.5 to 3 parts of a defoaming agent. The anti-sticking performance, the chemical stability, the heat resistance, the mechanical performance and other performance of the coating are improved by blending the modified epoxyresin, the modified titanium dioxide and the polytetrafluoroethylene powder; the epoxy resin not only has excellent adhesion to metals, but also has lower surface energy after film formation by modifying the epoxy resin, thereby being beneficial to the anti-sticking performance of the coating.

The invention provides waterborne polyurethane for food or medicine packaging lamination composite and a preparation method thereof. The waterborne polyurethane is prepared by compounding the following components in parts by weight: 100 parts of acrylate modified waterborne polyurethane dispersion, 0.05 to 0.25 part of a wetting agent, 0.05 to 0.2 part of a flatting agent, and 0.1 to 0.2 part of a defoamer. The waterborne polyurethane has the advantages of high solid content, low viscosity, stick prevention, good water resistance, good levelling property, yellowing resistance, low readily oxidizable substance content and the like, can be applied to the lamination composite of food or medicine packaging material, and can also be applied to fields of water-based paint, wood lacquer, printing ink and the like.

The invention provides an environment-friendly insulating coating liquid as well as a preparation method and application thereof, wherein the environment-friendly insulating coating liquid is preparedfrom the following raw materials based on the total mass: a phosphate aqueous solution, silica sol, boric acid, a compound dispersion liquid formed by at least one of B and Al, a white carbon black dispersion liquid and water. The environment-friendly insulating coating liquid disclosed by the invention does not contain harmful metal element chromium, so that the pollution to the surrounding environment is small, and the environment-friendly benefit is good; no organic component is contained, coating gaps are reduced after high-temperature curing, and the corrosion resistance is improved; andthe formed insulating coating has excellent adhesiveness, smooth and compact appearance, excellent lamination coefficient, good sliding property, moisture absorption resistance, heat resistance, sheet adhesion resistance and corrosion resistance.

The invention discloses an integrated robot joint module which comprises a joint shell and an end cover. A frameless motor is installed in the joint shell through an annular clamping groove, and a rotor is arranged in the frameless motor. One side of the frameless motor is provided with a low-voltage motor driver through fastening bolts. The other side of the frameless motor is provided with a bearing block through fastening bolts. A hollow input shaft is installed in the bearing block through a first bearing, and the hollow input shaft is sleeved with the rotor. One end of the hollow input shaft is fixedly connected with a harmonic reducer, and the harmonic reducer is located at the end of the joint shell. The output end of one side of the harmonic reducer is fixedly connected with a joint output disc, and a hollow output shaft is welded to one end of the joint output disc. One side of the low-voltage motor driver is provided with a second bearing through a round installation groove.According to the integrated robot joint module, the transmission structure is simplified, the internal structure is compact, installation and maintenance are more convenient, the dust-proof performance and heat dissipation performance are good, the working stability of the robot joint module is effectively guaranteed, and the service life is prolonged.

The invention discloses a harmonic reducer surface machining treatment method. The treatment method comprises the following specific steps: (1) technicist writes production machining procedures, masters machining treatment attentions, and prepare machining materials and equipment; (2) flexible wheels are put in an ultrasonic cleaner; and clear water and sodium hydroxide solution are fed for quickcleaning by using ultrasonic waves; (3) the flexible wheels cleaned in the step (2) are quickly dried in warm air; oil stains and rust on the surfaces of basal bodies are removed; and sand is blasted;(4) the basal bodies of the flexible wheels treated in the step (3) are clamped on electrodes and dipped in electrolyte solution; and under the condition of constant current, the voltage is slowly increased to grow microarc oxidation ceramic layers on the surfaces of the basal bodies of the flexible wheels; and (5) the flexible wheels are put in a vacuum chamber of microarc ion treatment equipment. The harmonic reducer surface machining treatment method is stable, reliable, simple in equipment, convenient to operate, high in practicability and suitable for wide popularization and application.

The invention relates to a water-based bio-based anti-doodling anti-sticking coating. The coating is composed of a component A and a component B. The component A is composed of the following raw materials in parts by weight: 20-40 parts of a bio-based water-based emulsion, 5-20 parts of a hydroxy acrylic emulsion, 1-2 parts of matting powder, 1-2 parts of graphite fluoride, 1-2 parts of fluorinated graphene, 7-10 parts of deionized water, 1-4 parts of a coalescing agent, 0.1-0.4 part of a defoaming agent, 0.1-0.5 part of an anti-settling agent, 0.2-0.4 part of a thickening agent, 0.5-2 parts of a dispersing agent, 0.2-0.5 part of a wetting agent, 0.05-0.1 part of a mildew preventive, 3-5 parts of a functional additive, 15-25 parts of pigment and 4-8 parts of filler. The component B is prepared from 15 to 20 parts of isocyanate. According to the invention, a main body emulsion is synthesized by taking renewable biological materials as raw materials, so the coating has the characteristics of relatively low VOC content, environment friendliness, no toxicity and the like, and meanwhile, the problems of existing water-based anti-doodling anti-sticking coatings in long-term effect and environment friendliness of the anti-doodling performance are solved. The coating has high compactness and anti-doodling performance, the cleanable level of an oily marking pen and spray paint is less than or equal to level 3, and the coating has excellent adhesion resistance.