289results about How to "Improve surface structure" patented technology

The present invention is a method of applying Lotus Effect materials as a (superhydrophobicity) protective coating for various system applications, as well as the method of fabricating/preparing Lotus Effect coatings.

The present invention relates to polypeptide-polysiloxane copolymers, to their preparation by thermal copolymerization of amino acids with organofunctional polysiloxanes, and to their use as interface-active substances. The polypeptide-polysiloxane copolymers consist of at least one polysiloxane unitand of at least one polypeptide unit

A catalyst for the polymerization or copdymerization of olefin is composed of Ti-contained solid component A, organoaluminium compound B and organosilicon compound C. Said A is prepared through dissolving magnesium halide in the mixture of organic epoxy compound, organophosphorus compound and inertial diluent, adding educing agent and magnesium halide or its derivatives to educe out Mg/Ti contained deposit, and carrying a surface modifier, a titanium halide or derivative and an electronic doner. It can be used for the polymerization of propene or copolymerization of propene-ethene.

A method of forming an array of selectively shaped optical elements on a substrate, the method including the steps of providing the substrate, the substrate having an optical layer placed thereon; placing a layer of particles on the optical layer; performing an etching cycle. The cycle includes the steps of: etching the layer of particles, using a first etching process so as to reduce the size of the particles within the layer, then; simultaneously etching the optical layer and the layer of particles, using a second etching process, the further reducing particles forming a mask over areas of the optical layer to create discrete optical elements from the optical layer.

Disclosed is a housing for a portable handheld electronic device such as a cellphone. The device has a housing, having a left side and right side. At least one of the left side and right side is provided with integral surface features or surface structures to enhance gripping the cellphone, preferably along the entire length of the phone or within about the top half or one third of the phone.

The invention relates to filtration media having nanocrystals of metal oxides, such as zinc oxide or titanium oxide or mixtures thereof, encapsulated in or impregnated into a binder matrix.

A cover panel structure for making a ball surface includes multiple secondary pieces of different shapes and dimensions to be combined together to form an oval shape.

The invention discloses a method for preparing carbon-coated lithium iron phosphate (LiFePO4/C). The method comprises the following steps: a, LiOH.H2O, reduced Fe powder and H3PO4 are weighed according to the molar ratio of 1:1:1 and are stirred in an aqueous solution so as to react for 2 to 10 hours under nitrogen protection; a carbon source is added to a reaction system, and an obtained suspension as a reaction product is subjected to spray drying through a high-speed centrifugal spray drying machine, so as to obtain a LiFePO4/C precursor; and b, the LiFePO4/C precursor is transferred to a tubular furnace in inert or non-oxidative atmosphere and treated for 6 to 24 hours at a temperature of between 200 and 750 DEG C, so as to obtain the LiFePO4/C. As the method adopts the Fe powder as a raw material, the specific discharge capacity of a LiFePO4/C anode material prepared by a coprecipitation method under the multiplying power between 0.1 and 2C is obviously improved.

Belonging to the technical field of lithium ion batteries, the invention discloses a lithium ion battery cathode material and a preparation method thereof. The chemical molecular formula of the cathode material is Lix(NiaCobMnc)1-yMyO2, wherein x is greater than or equal to 0.96 and smaller than or equal to 1.04, y is greater than or equal to 0.01 and smaller than or equal to 0.06, a is greater than or equal to 0.8 and smaller than or equal to 0.9, and a+b+c=1, M has a general formula of BzM'1-z, M' is composed of one or several of the following elements: Al, Mg, Ti and Zr, and z is greater than or equal to 0.1 and smaller than or equal to 0.5. The cathode material is coated by a layer of compound containing L, B, Ni, Co and Mn, the content of B in the outermost surface of the coating layer is at least two times that of the B in the innermost layer of the coating layer. According to the invention, the high capacity cathode material is acquired from a high nickel content ternary system, additionally multielement doping is employed to stabilize the crystal structure of the material, and then by means of washing, boron element surface modification and two-step sintering process, the material surface structure can be improved, and the surface residual alkali content can be reduced to improve the interface stability. The whole technological process of the invention is simple, and is easy for large scale production.

The invention discloses a processing method for building waste foamed concrete composite heat preservation building blocks. The invention provides a processing method for the building waste foamed concrete composite heat preservation building blocks. By virtue of the processing method, the performance of a recycled material can be optimized to the maximum extent, so that the compression strength, the shear strength and the heat preservation performance of a finished product can be guaranteed. Each building block comprises a base body and a heat preservation core body. A building block preparation process comprises base body forming, core body preparation, maintaining and drying working procedures; each base body comprises cement, an active mixed material, a modifier and a recycled aggregate. A processing method for the recycled aggregate comprises the steps of (1) classifying and initially sorting building waste; (2) roughly crushing building waste to prepare granular recycled coarse aggregates of which the dimension is smaller than 10mm; (3) performing mechanical enhancement on the recycled coarse aggregates, adding natural sand into the recycled coarse aggregates according to a weight ratio of 1:(0.2 to 1), and taking fine sand, which has the particle size of 0.25-0.5 mm, in the mechanically enhanced aggregates for later use. According to the method, the building blocks are high in bonding strength and uniform, the water absorption property of a single unit is reduced, the production cost is lowered, and the production technology is simple and feasible.

The invention relates to a Zr-Co-Re thin film getter provided with a protection layer, and a preparation method thereof. The Zr-Co-Re thin film getter is composed of a getter layer and the protection layer; main components of the getter layer are Zr, Co, and one or more selected form rare earth elements La, Ce, Pr, and Nd; and main component of the protection layer is Ni. Pulsed laser deposition film plating is adopted, and deposition of the double-layer structured thin film getter containing the protection layer and the getter layer on texture monocrystalline silicon is carried out. The texture substrate is capable of increasing effective area of the getter thin film, and so that inspiratory flow rate and inspiratory capacity are increased. The surface of the getter layer is plated with a Ni protection layer; Ni is capable of realizing dissociation of hydrogen, and increasing absorption amount of hydrogen; and the Ni protection layer is capable of inhibiting absorption of oxygen and reducing activation temperature. Activation of the Zr-Co-Re thin film getter can be realized in roasting processes at a temperature of 180 to 350 DEG C; after roasting, the Zr-Co-Re thin film getter possesses excellent inspiration performance at room temperature, can be used for internal gas residue removing of high vacuum microelectronic devices.

The invention discloses a method for preparing a zinc phosphate conversion coating on the surface of titanium. The method comprises the following steps: mixing a phosphorous compound, a zinc-containing compound, a calcium-containing compound and an accelerant together to form a chemical conversion basic liquid; performing activating treatment and surface adjustment on a pure titanium substrate; putting the treated pure titanium substrate in the chemical conversion basic liquid and applying an electric current field, wherein the pure titanium substrate is taken as a cathode, while platinum is taken as an anode; and obtaining the zinc phosphate conversion coating on the surface of titanium after chemical conversion. In such a manner, the reaction of the method for preparing the zinc phosphate conversion coating on the surface of titanium can be finished at a relatively low temperature, and the obtained product is high in degree of crystallinity and good in electrochemical performance; the method is low in pollution, low in cost and simple in process, and thus suitable for large-scale production and application; the zinc phosphate conversion coatings more excellent in mechanical properties can be obtained by use of the methods of solution optimization, current intensity change, time control and the like.

The invention relates to a surface treatment process of a bioactive metallic titanium implant having a multistage micro-pit structure, and the surface treatment process comprises the following steps: pretreatment, sandblasting treatment, acid etching treatment, sputtering treatment and glow discharge treatment; according to the surface treatment process, a multistage micro-pit three-dimensional structure having a bioactive tantalum coating is formed on the surface of the metallic titanium implant, so that the binding strength between the tantalum coating and the metallic titanium implant is very good, the tantalum coating is not easy to shed, shedding of the tantalum coating during or after an implantation process is avoided, the biological activity of the metal titanium implant can be improved, bone deposition of the surface of the metal titanium implant is accelerated, the tissue healing time is shortened, and through the formation of synostosis between the metal titanium implant and a surrounding bone tissue, the effect of improvement of the stability of the metal titanium implant can be achieved.

The invention discloses an atmosphere pressure plasma dealing fiber tuft or fiber thread surface device and method, which is characterized by the following: arranging quartz liner pipe in coaxial cover; constructing gas discharging plasma zone with quartz outer tube; forming high pressure electrode with inner surface or outer surface of the quartz linear through vacuum deposition plated metallic film; cup-jointing stainless steel cloth and water coat sandwich on the outer surface of the quartz outer tube; constructing earth electrode; using coaxial quartz glass tube to construct asymmetric electrode structure of medium discharge resistance; keeping special laminar flow disperse for gas in sandwich; diminishing consumption of gas; decreasing treating temperature effectively. This invention can choose proper high pressure electrode form, gas component, power parameter and treating speed according to different fiber material, which can proceed highly effective, low consumption and environment protection treat for the surface of fiber tuft or fabric cord.

The present invention provides a fiber-reinforced glass having excellent heat resistance and toughness, or a composite comprising a heat-resistant fiber and a siloxane polymer, which has a modified surface structure and is useful as a heat-resistant fiber.

The invention provides a repairing reducing agent for lead-acid storage batteries, which can dissolve lead sulfate crystals deposited on polar plates. Metal ions are not introduced in, so that the self discharge of the metal ions and the softening of the polar plates can be avoided. The physical structure of the batteries is not destroyed, the chemical environment of the batteries is not changed and an organic protective film can be formed on the surface of the polar plates of the batteries to restrain the deposition of newly-generated lead sulfate crystals and ensure the long-term action and the stability of repair effects. A nanometer graphene oxide material which is beneficial for increasing the specific surface area of electrodes, improving the surface structure of the electrodes, lowering the internal resistance and improving the transfer efficiency of interface electrons is introduced in. The electric conductance of electrolyte is enhanced, the internal resistance of the batteries is lowered, and the capacity restorability and the recharging receptivity after the overdischarge of the storage batteries are improved. The battery capacity can be restored to the maximum degree and the service life of the batteries is prolonged. The capability of the repaired storage batteries can be restored to more than 90% and the service life of the repaired storage batteries can be prolonged by double or more.

The invention discloses a preparation method of novel beta-carotene microcapsules. A Maillard reaction product of reducing sugar and whey protein is used as an oxidation resistance type wall material, and the beta-carotene microcapsules are prepared by a spray drying method. The method specifically comprises the following steps of firstly making the whey protein and the reducing sugar into a whey protein Maillard reaction product solution under certain conditions, wherein the whey protein Maillard reaction product solution is used as a wall material solution; then compounding beta-carotene into an oil solution of a certain concentration, wherein the oil solution is used as a core material, according to the proportion of the core material to the wall material, adding the core material and an emulsifying agent to the wall material solution, and performing high-speed homogenizing so as to obtain a microcapsule emulsifiable solution; and finally performing spray drying so as to obtain beta-carotene microcapsule products. Through the adoption of the preparation method disclosed by the invention, the beta-carotene microcapsules with good nature can be directly prepared, and the beta-carotene microcapsule can also be used as a nutrient enrichment agent to be directly added to foods.

The invention discloses an anti-radiation functional aggregate prepared from Cr-containing and Zn-containing electroplating sludge. By means of heavy metal elements including Cr and Zn, the anti-radiation functional aggregate has the beneficial effect that the anti-radiation functional aggregate has good shielding performance for high-energy rays, and a regenerated aggregate can have good anti-radiation performance; pulp wrapping processing is conducted on the regenerated aggregate through a vacuum stirring technology, and the surface structure of the aggregate is optimized; ultrahigh performance processing is conducted on the aggregate, subjected to pulp wrapping, through autoclaved curing, and the chemical property, the shielding performance and the heavy metal ion solidification effect of the anti-radiation functional aggregate are improved. The anti-radiation functional aggregate solves the problem that the uniformity of natural high-density ore anti-radiation concrete is poor, meanwhile, a large amount of heavy-metal-containing industrial sludge can be consumed, and the important significance in preparation of anti-radiation concrete and processing of the industrial sludge is achieved.

The invention discloses a non-evaporable low-temperature activated zirconium getter film and a preparation method thereof. The non-evaporable low-temperature activated zirconium getter film comprises an adjusting layer, a gettering layer and a protecting layer which grow on a rough monocrystalline silicon wafer sequentially, wherein in terms of chemical composition, the gettering layer contains 75%-77% by mass of zirconium, 18%-22% by mass of cobalt, 2%-5% by mass of yttrium and the balance of other inevitable impurities; in terms of a microstructure, the gettering layer is formed by densely arranged columnar grains, and the height of columnar tissue is 100-300 nm. The prepared getter film has the advantages of being environment-friendly, high in gettering capacity, low in activation temperature, high in adhesion force, long in service life, easy to prepare, low in cost and the like and is applicable to packaging of mini vacuum devices in the industrial field of microelectronics.

The invention provides a calcium based desulfurizing agent loaded by coal ash and a preparation method thereof. Aiming at the problems of low absorbing agent utilization rate, large consumption and the like of the traditional dry method flue gas desulfurization process, the efficient calcium based desulfurizing agent loaded by the coal ash is prepared by using the coal ash, Ca(OH)2 and an activating agent as main raw materials through a solid phase reaction/hydrothermal combination reaction process. The coal ash waste of the traditional coal industries is fully utilized, and structurally modified to be used for treating SO2 waste gas, thus the invention has the advantages of simple preparation process and low cost; and the prepared desulfurizing agent has high desulfuration efficiency and no sewage during the desulfuration and does not produce the secondary pollution.