36results about How to "Avoid easy delamination" patented technology

The present invention provides a cutting element having a cylindrical body having a canted end face on which is formed an ultra hard material layer and a method of forming the same. One or a plurality of transition layers may be provided between the ultra hard material layer and the cutting element body.

The invention relates to a basalt needling thermal insulation material and a manufacturing process thereof, belonging to the technical field of thermal insulation materials. The basalt needling thermal insulation material is prepared from basalt chopped yarns with the lengths of 5-7 cm and 8-12 cm through the processes of mixing, opening, carding, lapping and needling, wherein the basalt chopped yarn with the length of 5-7 cm is 70-80% of the total weight of the material, and the basalt chopped yarn with the length of 8-12 cm is 20-30% of the total weight of the material. The novel basalt needling thermal insulation material provided by the invention is wider in temperature application range and higher in breaking strength.

Disclosed is a metal structure of a multi-layer substrate, comprising a first metal layer and a dielectric layer. The first metal layer has an embedded base and a main body positioned on the embedded base. The base area of the embedded base is larger than the base area of the main body. After the dielectric layer covers the main body and the embedded base, the dielectric layer is opened at the specific position of the first metal layer for connecting the first metal layer with a second metal layer above the dielectric layer. When the metal structure is employed as a pad or a metal line of the flexible multi-layer substrate according to the present invention, the metal structure cannot easily be delaminated or separated from the contacted dielectric layer. Therefore, a higher reliability for the flexible multi-layer substrate can be achieved.

The invention relates to a twice-mallard-reaction-type chicken-flavor material, as well as a formulation and a preparation method thereof, and belongs to the field of foods. The formula of the twice-mallard-reaction-type chicken-flavor material comprises L-cysteine, vitamin B1, DL-methionine, glucose, chicken oil, phosphoric acid, chicken meal, yolk meal, onions, gingers, peppers, a yeast extract,edible salt, monosodium glutamate, sugar, disodium 5'-ribonucleotide, denatured starch, and xanthan gum. The formula is rich in ingredients; and the ingredients are easy to obtain, and relatively lowin costs. And the ingredients have relatively good effects under the proportion of the formula. The preparation method of the twice-mallard-reaction-type chicken-flavor material comprises the following steps of mixing main raw materials with a reaction base for the first mallard reaction according to the formula; carrying out first mallard reaction so as to obtain a primary flavoring material; mixing auxiliary materials with the primary flavoring material, and carrying out homogenization so as to obtain the twice-mallard-reaction-type chicken-flavor material. The preparation method is simple,rapid, safe, and healthy; moreover, the processes can be easily controlled so that inter-batch differences of products can be effectively reduced. The twice-mallard-reaction-type chicken-flavor material prepared by the preparation method is small in heat-sensitive substance loss, high in flavor substance content, and strong in sense of hierarchy and fidelity.

The invention provides a preparation method for modified-graphene-containing tungsten carbide spraying powder of a self-lubricating and wear-resisting coating. The preparation method comprises steps as follows: 1), a certain quantity of modified graphite/tungsten carbide nano-composites are weighed and mixed with a certain amount of absolute ethyl alcohol, and after ultrasonic dispersion, a mixed solution of a graphite/tungsten carbide nano-composite is obtained; 2), a certain amount of tungsten carbide/cobalt spraying powder is weighed and added to the mixed solution of the graphite/tungsten carbide nano-composite; 3), tungsten carbide/cobalt spraying powder composited with modified graphene is obtained with a vacuum freeze drying method; 4), a tungsten carbide/cobalt self-lubricating and wear-resisting coating composited with modified graphene is prepared with a thermal spraying technology on the surface of a part after cleaning and sand blasting. According to the preparation method, characteristics of a laminated single-layer carbonaceous structure of graphene are reserved, a ratio of graphene is further increased by growing carbide nano-particles, and besides, with the adoption of the freeze drying method, loss of graphene due to ball milling or other powder mixing technologies can be avoided.

The invention discloses a double-layer one-side copper-based circuit board making process comprising the following steps: baking a FR4 board, obtaining an internal layer line on the FR4 board, and silkprinting a solder mask on the internal layer line; stacking a plurality of slots and/or vias on a copper base, and placing a high temperature glue film or release film below slot/via on the copper base; laminating the FR4 board, a bonding sheet and the copper base at a high temperature; drilling blind holes on the FR4 board, electroplating copper on the FR4 board and etching same, thus obtainingan external layer line. The high temperature glue film or release film are placed on hollow positions before lamination, thus increasing lamination buffer force, and effectively preventing the soldermask from dropping oil under ununiform lamination of the board; the process can prevent the circuit board from layering and foaming via the board baking and pad high temperature lamination; a dry filmof 45-55 um is selected so as to fully cover the blind holes, thus preventing blind hole broken caused by developing and etching, and preventing the copper layer from being broken.

The invention discloses a flaxseed liquid preparation for relaxing bowels and proliferating probiotics. The flaxseed liquid preparation is prepared from the following raw materials: flaxseed hull andkernel mixed granules, vitamin C, prebiotics, and pure water. The invention further discloses a preparation method of the flaxseed hull and kernel mixed granules and a preparation method of the liquid preparation. The liquid preparation is good in mouthfeel and less liable to stratify, loss of nutritional components is avoided, the growth and reproduction of the prebiotics are promoted, intestinal peristalsis is promoted, and the preparation is easily absorbed by a human body.

The invention provides an environment-friendly degradable intelligent card and a manufacturing method thereof. The intelligent card comprises a base material layer, an intelligent chip is embedded inthe base material layer, a printing layer is formed on one surface of the base material layer, and the base material layer is made of a degradable material; the base material layer comprises two or more base material sub-layers, and every two adjacent base material sub-layers are bonded through a preset adhesive; and/or the printing layer is adhered to the surface of the base material layer through a preset adhesive. The method comprises the steps that a degradable material is used for manufacturing a base material layer, and a mounting groove is formed in the base material layer; one surfaceof the base material layer is coated with a preset adhesive, ink is printed on the surface coated with the preset adhesive to form a printing layer, and after the base material layer and the printinglayer are laminated, the intelligent chip is installed in the installation groove. The card base of the intelligent card is made of the environment-friendly degradable material, the intelligent card can be naturally degraded after being scrapped, and pollution to the environment is avoided.

The invention discloses a preparation method of chemically modified asphalt. The method comprises the steps of: adding matrix asphalt into a reactor; adding an initiator 0.05-1wt% of the matrix asphalt; heating to 80-160 DEG C; adding naphthalene vinyl compounds and conjugated olefinic compounds; maintaining the pressure at 0.1-0.4 MPa; reacting for 4-6h; degassing; and filtrating to obtain the modified asphalt. The method for modifying asphalt can endow the produced asphalt with good usage performance, and can effectively improve liquidity at high temperature and flexural performance at low temperature, so as to meet the requirements of highway, bridge and housing on asphalt.

The invention discloses a super-thick polycrystalline diamond composite material. A polycrystalline diamond layer and a hard alloy matrix are included. The hard alloy matrix is a cobalt containing matrix. The diameter of the polycrystalline diamond composite material is larger than or equal to 30 mm, and the thickness of the polycrystalline diamond layer is larger than or equal to 3 mm. Accordingto a composite material preparing method, the hard alloy matrix and at least one polycrystalline diamond micro powder layer are stacked, when the hard alloy matrix and one polycrystalline diamond micro powder layer are stacked, one face of the polycrystalline diamond micro powder layer makes contact with the hard alloy matrix, and the other face makes contact with a cobalt source layer; when the hard alloy matrix and at least two polycrystalline diamond micro powder layers are stacked, a cobalt source layer is laid between the polycrystalline diamond micro powder layers; and a high-temperatureand high-pressure sintering method is adopted to prepare and obtain a super-thick polycrystalline diamond composite layer. By adoption of the provided technology, the super-thick polycrystalline diamond composite material with abrasion resistance, impact resistance and other performance meeting the requirements can be obtained, and the material can be directly used for cutting, preparing and machining of a tool.

The invention provides a package and a method of manufacturing the package. The package includes a substrate, a first combining component, a second combining component, a chip, a blocking component and an encapsulation component; the substrate has a first surface and a second surface which backs on to the first surface; a plurality of pads are arranged in the substrate; the first combining component and the second combining component are arranged on the substrate; the second combining component is located around the first combining component; the chip is arranged on the first combining component and is electrically connected with the plurality of pads through leads; the blocking component is arranged on the second combining component; the encapsulation component is arranged at the inner side of the blocking component so as to encapsulate the chip, the first combining component and the leads.

The invention relates to a multifunctional asphalt emulsifier and a preparation method thereof. The preparation method comprises the following specific steps: dissolving bisphenol A with an organic solvent at 40-60 DEG C, slowly dropwise adding diethanolamine, heating to 70-90 DEG C after dropwise addition and reacting for 2-4 h to obtain diethanolamine-modified bisphenol A epoxy resin; adding diisocyanate into polyethylene glycol and a catalyst, reacting at 40-60 DEG C under nitrogen protection for 2-4 h to obtain a polyurethane prepolymer; slowly dropwise adding the above diethanolamine-modified bisphenol A epoxy resin into the polyurethane prepolymer, reacting at 50-70 DEG C for 1-2 h, heating to 70-90 DEG C and reacting for 1-2 h so as to obtain the multifunctional asphalt emulsifier. In comparison with the prior art, the multifunctional asphalt emulsifier is an emulsifier and a modifier. By introducing waterborne epoxy into emulsified asphalt while emulsification, the phenomenon of layering which is easily caused by the step of emulsification before modification is avoided.

The invention discloses a multi-structure chemical mechanical polishing pad and a manufacturing method and application thereof. The multi-structure chemical mechanical polishing pad comprises a main structure body, a surface-modified secondary structure body, a protective structure body, an upper connecting body which is used for bonding the main structure body and the surface-modified secondary structure body, and a lower connecting body which bonds the surface-modified secondary structure body and the protective structure body together. The surface-modified secondary structural body has excellent mechanical properties such as elongation at break and tensile strength, the thickness of the surface-modified secondary structural body is more uniform, and the bonding peel strength of the surface-modified secondary structural body and the connecting bodies is more excellent, so that the chemical mechanical polishing pad made of the surface-modified secondary structural body has better combination performance.

The invention relates to the technical field of road materials, in particular to a filling type large-particle-size cement stabilized macadam base material for pavement paving and a method. The filling type large-particle-size cement stabilized macadam base material is prepared from the following materials in parts by weight: 10-20 parts of cement; 10-20 parts of medium sand; 10-20 parts of fine sand; 60-80 parts of stones; 40-50 parts of slag; 20-30 parts of coal cinder; 20-30 parts of lime powder; and 10-20 parts of a glass fiber mesh. A preparation method of the filling type large-particle-size cement stabilized macadam base material for pavement paving comprises the following steps that S1, an old pavement is treated, foreign matter on the old pavement is cleared away, a road roller is adopted for rolling and flattening, and then watering and airing are conducted; s2, lime powder is spread, specifically, lime powder is spread on the old pavement treated in the S1, a road roller is adopted for rolling and flattening, and then water spraying treatment and air drying are conducted. The multiple layers of glass fiber nets are embedded in the concrete base layer during construction, so that the deformation resistance of the base layer is high, the bending and tensile strength is high, the cracking phenomenon of the pavement base layer can be effectively prevented, and the service life of a road is prolonged.