31results about How to "Corrosion resistance is not easy" patented technology

The invention discloses a graphene organic silver conductive printing ink and a preparation method thereof. The conductive printing ink comprises a conductive function unit precursor, an organic silver complexing agent, an adhesive, a solvent and auxiliaries. The preparation method comprises the following steps: (A) stirring and ultrasonically dispersing the organic silver, the solvent and the organic silver complexing agent under a lucifugal condition to obtain an organic silver complexing solution; and (B) putting the graphene, the resin adhesive, the auxiliaries and the organic silver complexing solution in the lucifugal condition and stirring and ultrasonically dispersing in an environment lower than 10 DEG C, wherein the obtained uniform mixture is the graphene organic silver conductive printing ink. The graphene organic silver conductive printing ink prepared by the method disclosed by the invention is low in solid content, good in stability, good in printing performance and wide in application.

The invention provides a copper-based memory alloy subsidized pipe and its preparation method, subsidized method and application. The copper-based memory alloy includes the following elements in terms of mass percentage: Be: 0.2-1.6%, Al: 6-14%, Mn: 1-10%, Ga: 0-3% and 0 is not included, and impurities: 0-10%. 0.1%, the balance is Cu. The auxiliary pipe is formed by connecting an expansion assembly and a connecting pipe; wherein, the expansion assembly includes an expansion cylinder, a conical connection body and an internal thread cylinder connected in sequence. The preparation method is as follows: taking raw materials according to the alloy composition and melting them, then cooling in a directional solidification cooling system to obtain ingots, and then performing thermomechanical treatment to obtain subsidized pipes. The subsidized pipe has a simple subsidizing process, and it can generate a strong interference fit with the casing to be subsidized, thereby generating a large sealing pressure and friction with the casing to prevent oil leakage and falling.

The invention discloses a corrosion resistant hosepipe assembly for a swill collection vehicle. The corrosion resistant hosepipe assembly comprises a hosepipe body, a metal silk screen layer, a rubber pipe layer, a spring shaping layer, a corrosion resistant membrane layer, a pipe connector body, an inner core pipe and a shrinking outer pipe. The hosepipe can have higher corrosion resistant performance and cannot be corroded by swill easily, the service life of the hosepipe assembly is effectively prolonged, the maintaining cost of the swill collection vehicle is reduced, the structure is reasonable, installation is convenient, and production, application and popularization are facilitated.

The invention discloses wear-resistant corrosion-resistant enamel glaze with a good adhesive force. The wear-resistant corrosion-resistant enamel glaze comprises the following components by mass: 8-9 parts of micaceous, 1 part of sodium pyrophosphate, 6 parts of lithium oxide, 7 parts of boric anhydride, 4 parts of cobaltous oxide, 3 parts of barium oxide, 6 parts of aluminium oxide, 6-8 parts of feldspar, 4 parts of calcium oxide, 8 parts of sodium oxide, 8 parts of polyethylene wax powder, 7 parts of calcium fluoride, and 10-15 parts of quartz. The enamel glaze provided by the invention cannot fall off easily, and is wear-resistant and corrosion-resistant.

The invention discloses an ultrahigh molecular weight PP composite plastic water pipe. The ultrahigh molecular weight PP composite plastic water pipe is characterized in that an innermost layer of the water pipe is an UHMWPP core pipe; the UHMWPP core pipe is wrapped by a first combination layer; the first combination layer is wrapped by a stainless steel wire net layer; the stainless steel wire net layer is wrapped by a PE middle combination layer; and the PE middle combination layer is wrapped by a HDPE weather resisting layer. The ultrahigh molecular weight PP composite plastic water pipe has such characteristics as high performances, high adaptability, high combination strength, bacteria resistance, no poison, no irritation, corrosion resistance and difficult rusting. A polyethylene weather resisting layer can resist erosion of such various corrosive mediums as acid, alkali, salt and organic solvent. The first combination layer and the PE middle combination layer both can be combined with different materials, and improve the pressure resisting strength of the pipe; the UHMWPP core pipe is high in strength, free of poison and environment-friendly; after the UHMWPP core pipe is combined with the stainless steel net layer by the first combination layer, the pressure resisting strength of the pipe can be further improved, and the pipe is not easy to break; under the condition of the same load, the pipe is higher than a steel pipe in strength by several times; and meanwhile, the pipe is excellent in impact resistance.

The invention provides a copper-based memory alloy subsidized pipe and its preparation method, subsidized method and application. The copper-based memory alloy includes the following elements in terms of mass percentage: Be: 0.2-1.6%, Al: 6-14%, Mn: 1-10%, Ga: 0-3% and 0 is not included, and impurities: 0-10%. 0.1%, the balance is Cu. The subsidized pipe is an alloy pipe with a wall thickness of 2.5-3.5mm, and its outer diameter is 3-4mm larger than the inner diameter of the bushing to be subsidized, and it can be pushed into a flower-shaped pipe in a working fluid of ≤0°C. The preparation method is as follows: taking raw materials according to the alloy composition and melting them, then cooling in a directional solidification cooling system to obtain ingots, and then performing thermomechanical treatment to obtain subsidized pipes. The subsidized pipe has a simple subsidizing process, and it can generate a strong interference fit with the casing to be subsidized, thereby generating a large sealing pressure and friction with the casing to prevent oil leakage and falling.

A patterned composite multi-layer stainless steel is composed of several stainless steel layers and the Ni layers and each Ni layer is positioned between two stainless steel layers. Its manufacture technology includes altenatively laminating the strainless steel sheets and Ni sheet, calendering at their fusing temp until needed thickness, patterning by grinding, carving or drilling, and rolling.

The invention provides an antistatic coating taking rare-earth-modified barium zirconate titanate nano-powder as conductive filler, and a preparation method thereof, which belongs to the field of antistatic coatings. The invention solves the problems that the prior metal powder serving as conductive filler of antistatic coatings is high in cost, big in surface resistivity change after high-temperature aging, and the like. The antistatic coating is prepared from polymer matrix, rare-earth-modified barium zirconate titanate nano-powder, diluent, curing agent and coupling agent. The preparation method comprises the following steps: weighing polymer matrix, diluent, curing agent and coupling agent respectively, mixing the materials well and then placing the mixture for 1 hour; adding rare-earth-modified barium zirconate titanate nano-powder and then performing ultrasonic dispersion for 5 minutes; performing normal-temperature curing to obtain the antistatic coating. The antistatic coatinghas the characteristics of low cost, strong anti-aging property, simple process method and no environmental pollution. After one hour of aging at 150 DEG C, the surface resistivity change of the antistatic coating is 5.3 to 7.8 percent.

The invention provides a heat collecting and transferring component, comprising a pair of plate-shaped components which are arranged in the opposite directions and a fixing and sealing structure which is used for fixing and sealing the plate-shaped components, wherein, a concave part is formed on at least one of the plate-shaped components; at least one of the plate-shaped components is made by heat conduction material; when the plate-shaped components are bonded together by the fixing and sealing structure, the concave part forms a closed space which is provided with at least an inlet and atleast an outlet. The invention further provides a solar heat-collecting panel and a solar heat collector. The solar heat-collecting panel is provided with the heat collecting and transferring component; and the solar heat collector is provided with the solar heat-collecting panel. The heat collecting and transferring component has the advantages of antifreeze property, high heat collecting and transferring efficiency, little possibility of scale formation, corrosion resistance, simple process and low cost. The solar heat-collecting panel and the solar heat collector not only improve heat collecting efficiency, but also reduce production cost.

The invention discloses a heating plate. The heating plate comprises a heating layer, butt sockets, a filling layer and a plate, wherein the butt sockets are arranged on two mounting frames of the plate, the filling layer is positioned between the two mounting frames of the plate in a filling mode, the heating layer is attached to the lower side surface of the plate through pressing of the fillinglayer, and the heating layer is electrically connected with the butt sockets. The heating plate is simple in structure and convenient to maintain and replace.

The invention provides a manufacturing method for high-temperature resistant bundling optical fibers. The manufacturing method for high-temperature resistant bundling optical fibers comprises the following steps: a plurality of common optical fibers are taken; surface sensitization treatment and surface activation treatment are conducted on the common optical fibers respectively; then, a chemical plating is conducted; the thickness of a clad layer is 4-8 micron; the length that the clad layer protects is 150-250 mm; chemically plated optical fibers are tied into a bundle by adopting thin strings; the end parts of the chemically plated optical fibers are in parallel and level; the bundle of chemically plated optical fibers is placed into an electroplating liquid for electroplating, so that all the optical fibers are enabled to be tightly combined and optical fiber bundles are formed; the diameter of the entire bundling optical fibers is 0.5-1 mm; the length that the electroplating clad layer protects is 100-200 mm. According to the manufacturing method for the high-temperature resistant bundling optical fibers, through conducting surface metallization on the common optical fibers, the plurality of optical fibers are made into the bundling optical fibers; the bundling optical fibers have the advantages of low probability of damages, high-temperature resistance, high transmission information capacity and the like; the multiple bundling optical fibers are wrapped with a sensing probe, so as to form a multi-channel transmitting bundling optical fibers; the information transmission capacity is large; the manufacturing method for the high-temperature resistant bundling optical fibers can be used for fields of simultaneous distinction and measurement of multiple physical quantities, or a detection probe of the bundling optical fibers and the like.

Disclosed is a novel high pressure resistant high-density polyethylene (HDPE) water pipe. An HDPE core tube is arranged on an innermost layer of the water pipe, a first stainless steel wire mesh layer is wrapped on the outside of the HDPE core tube, an HDPE intermediate combined layer is wrapped on the outside of the first stainless steel wire mesh layer, a second stainless steel wire mesh layer is wrapped on the outer wall of the HDPE intermediate combined layer, and an HDPE weather-proof layer is wrapped on the outside of the second stainless steel wire mesh layer. The novel high pressure resistant HDPE water pipe has the advantages of being high in performances, applicability and bonding strength, non-toxic, non-irritant, corrosion resistant, not prone to be rusted and the like. The polyethylene weather-proof layer can be resistant to corrosion of various corrosive media such as acids, alkali, salt and organic solvents and is not like materials such as steel tubes which can produce electrocorrosion and foster corrosion damage, and the service life of the polyethylene weather-proof layer can reach to 50 years. By means of the first and second stainless steel wire mesh layers, the compressive strength of a high strength HDPE corrugated pipe can be improved, and the high strength HDPE corrugated pipe is not prone to crack and simultaneously has a good shock resistance.

The invention discloses biological stuffing capable of absorbing phosphorus intensively and a preparation method and application thereof. The stuffing is prepared with kieselguhr and glass, and the preparation method comprises the steps of firstly, mixing the kieselguhr with the glass, conducting ball milling, obtaining a powder batch mixture, then conducting foaming and annealing treatment, and obtaining the novel biological stuffing, wherein the kieselguhr which is used is common silicious rock, and the glass can be waste sheet glass. The biological stuffing has the main effect and advantages that the preparation process is simple, the obtained biological stuffing has good absorbing effect on the phosphorus, by means of porous structures which are formed simultaneously, biomembrane loading is faciliated, environmental protection problems are solved, and meanwhile high economic benefits are acquired. In addition, the biological stuffing can achieve good effect in constructed wetland and a biological filter tank, and the biological stuffing has the advantages of being low in application cost and long in application cycle.