44results about How to "Suitable adhesion" patented technology

The invention discloses a method for preparing a hydrofining catalyst. According to the hydrofining catalyst, firstly, an acid solution A containing Ni and Al and a sodium tungstate alkaline solutionreact in a parallel flow manner, obtained slurry is aged, an acid solution B containing W and Al components and a sodium molybdate alkaline solution are added to the aged slurry in a parallel flow manner, aging, drying, forming, calcination and other aftertreatment steps are performed, and the hydrofining catalyst is prepared. The catalyst can be applied to diesel fraction super-deep hydrodesulfurization and hydrodenitrification reactions, has higher hydrodesulfurization and hydrodenitrification reaction activity and is particularly applied to treatment of diesel materials with high nitrogen and sulfur content.

An adhesion method capable of strongly adhering two members without using an adhesive and without impairing a fine structure or optical properties of a joining surface, and a biochemical chip and optical component made by the same are provided.

The adhesion method includes step A of forming a coating film 13 of a first film compound having a first photoreactive functional group on a first joining surface 11 of a first member 21, step B of forming a coating film 14 of a second film compound having a second photoreactive functional group on a second joining surface 12 of a second member 22, and step C of bringing the first joining surface 11 into contact by pressure with the second joining surface 12 while setting a coupling agent having at least one coupling reactive group that forms a covalent bond with the first photoreactive functional group and the second photoreactive functional group by light irradiation to be in contact with the first and second photoreactive functional groups, and conducting light irradiation to form covalent bonds.

The invention discloses a peelable and biodegradable polyurethane protective film, a preparation method and application thereof. The protective film comprises the following raw materials by weight: 40-70 parts of thermoplastic polyurethane, 10-30 parts of biodegradable polyester, 0.01-0.5 part of a corrosion inhibitor, 1-10 parts of filler and 5-30 parts of a plasticizer. The preparation method comprises: 1) selecting materials according to the composition and weight part of each component prescribed in the formula; 2) putting the raw materials into a banbury mixer, performing stirring at 140-180DEG C for 5-15min till uniform mixing melting; 3) carrying out extrusion granulation and cooling to obtain an anti-bump and anti-corrosion protective film particle semi-finished product, during use, heating the semi-finished product to 160DEG C to melt it into liquid, then spraying the liquid on a metal component surface, and conducting cooling so as to form a 3-5micrometer protective film. The peelable and biodegradable polyurethane protective film provided by the invention has a simple formula and no pollution, and is especially suitable for temporary protection of metal raw materials and semi-finished products. The peelable and biodegradable polyurethane protective film is convenient to make and use, has no residual protective film after peeling, and can be biodegradable after abandonment.

The invention discloses a period effect percutaneous patch of a self viscosity elastic body substrate covering and bearing testosterone and a preparation method thereof. The period effect percutaneous patch comprises a support layer, a medicine taking self viscosity elastic body substrate layer and a separation layer. The support layer is covered on one side of the medicine taking self viscosity elastic body substrate layer, and the separation layer is covered on the other side of the medicine taking self viscosity elastic body substrate layer. The period effect percutaneous patch adopts the lipotropy elastic body substrate with the low melting point to contain the testosterone, and a stable and effective testosterone blood concentration is maintained in 7 days. The patch is excellent in medicine skin penetrating performance, good in adhering performance, high in medicine loading rate, good in air permeability and free of residue when being stripped from the skin. A preparation process of the period effect percutaneous patch of the testosterone uses no machine solvent and is environment-friendly, coating is carried out in a melting state, and the preparation process has the advantages of being high in coating speed, high in production efficiency and low in cost.

The invention discloses a sesame cake. A crust of the sesame cake is prepared from wheat meal, powdered sugar, maltose, vegetable oil, edible salt, baking powder and sodium bicarbonate by means of stirring for standby use; a puff pastry is prepared from wheat meal, vegetable oil and water by means of stirring for standby use; stuffing is prepared from black sesame powder, white granulated sugar, cooked peanut kernel, brown sugar, edible salt, Chinese prickly ash seed powder (rock candy), vegetable oil and prepared powder by means of stirring for standby use. The sesame cake is obtained through crusting, encrusting, sesame application and baking. The sesame cake has the advantages that the sesame cake is complete in cake shape without decrustation, sesame shedding and cracking, the cake crust which is the well-arranged puff pastry just melts in the mouth, and the stuffing is unique in formula, strong in sesame flavor, delicate in taste, lingering in aftertaste and agreeable in sweetness.

An adhesion method capable of strongly adhering two members without using an adhesive and without impairing a fine structure or optical properties of a joining surface, and a biochemical chip and optical component made by the same are provided.

The adhesion method includes step A of forming a coating film 13 of a first film compound having a first functional group on a first joining surface 11 of a first member 21, step B of forming a coating film 14 of a second film compound having a second functional group on a second joining surface 12 of a second member 22, and step C of bringing the first joining surface 11 into contact by pressure with the second joining surface 12 while bringing a coupling agent having at least one coupling reactive group that forms a bond by a coupling reaction with the first functional group and the second functional group into contact with the first and second functional groups to form bonds by the coupling reaction.

The invention relates to a compound anti-parasitic preparation, and a preparation method and application thereof. The compound anti-parasitic preparation is mainly prepared from the following raw materials in parts by weight: 0.04 to 0.1 part of ivermectin, 5 to 10 parts of mebendazole, 5 to 15 parts of toltrazuril, 3 to 10 parts of a disintegrating agent, 61 to 91 parts of a filling agent, 1 to 3parts of a lubricating agent and 0.3 to 1 part of an adhesive. The compound anti-parasitic preparation has high uniformity and has a good anti-parasitic effect.

The invention relates to the field of bioceramic materials, in particular to a biphasic calcium phosphate porous bioceramic bone scaffold material which is prepared from salmon spine as a raw material, is composed of main ingredients hydroxyapatite and beta-tricalcium phosphate , has high porosity, reserves a natural three-dimensional pore structure, has a particle size of 500-1000 [mu]m, and is prepared through steps of washing and drying, high temperature calcination, grinding, sieving and sterilization. The biphasic calcium phosphate porous bioceramic bone scaffold material is rich in sources of raw materials and low in preparation cost, high purity biphasic calcium phosphate ceramic can be prepared without artificial addition of compounds, and the content of hydroxyapatite and beta-tricalcium phosphate can be changed by controlling the calcination temperature in the preparation process, and the biphasic calcium phosphate porous bioceramic bone scaffold material contains a small amount of carbonated hydroxyapatite and various trace elements such as magnesium, potassium and strontium, with the content close to the content in the human body. The calcium phosphate ceramic prepared through the method can serve as a good bone scaffold material to be applied to clinical bone defect repair.

Provided is a patch having good adhesion property, which stably maintains the quality for a long time.

A patch containing a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer contains an elastomer having a structure of the formula I:

wherein P1 and P2 are each independently hydrogen, a hydroxy group or an organic group.

The invention discloses an external patch for auxiliary treatment of insomnia. According to the external patch, coptis having the function of clearing heart fire, cinnamon having the functions of warming Yang and tonifying kidney and tuber fleeceflower stem having the functions of nourishing heart, dredging collaterals and soothing nerves are selected, the components are extracted and processed and are added into a hollow substrate to prepare a cataplasm for application, the external patch is adhered on Yongquan acupoint, Neiguan acupoint and Sanyinjiao acupoint in combination with an acupoint application therapy to treat insomnia, the external patch has the advantages of convenience for use, few side effect, good skin compatibility and the like and has a good curative effect on patients with mild to moderate insomnia.

Acceleration and/or tilt sensor having a ferromagnetic fluid that is located in a receptacle, and the receptacle constitutes a neutral position for the fluid, and the fluid is permanently magnetized, and a magnetic field detector arrangement is located at the receptacle to detect a displacement of the fluid, wherein a portion of the fluid can be displaced relative to the receptacle from the neutral position to an operating position by an external force while maintaining a continuous surface with the portion of the fluid remaining in the neutral position, and the fluid returns to the neutral position after removal of the external force.

The invention provides a butyl adhesive tape coated with a hot melt adhesive film and a preparation method of the butyl adhesive tape. The adhesive tape provided by the invention is a composite adhesive tape and comprises a butyl adhesive tape and a hot melt adhesive film attached to one surface of the butyl adhesive tape, the properties that the hot melt adhesive film is non-sticky at room temperature and is bonded at high temperature are utilized, the hot melt adhesive film can be conveniently and randomly assembled and pressed in a welding workshop when being used as a spot welding sealantand a damping adhesive, the problem that a common butyl adhesive tape needs to be assembled and pressed again after spot welding sealant and damping glue are removed and glue is applied again when thebutyl adhesive tape is installed between metal plates is poor can be solved, and the position of a sheet metal plate making contact with the hot melt adhesive film can be conveniently adjusted when parts and components are assembled and pressed. After alignment assembly, the hot melt adhesive film does not need to be removed, and in a subsequent electrophoretic paint baking process, the hot meltadhesive film is softened at the high temperature and attached to the butyl adhesive tape and the sheet metal part. Meanwhile, by controlling the formula of the butyl adhesive tape, the butyl adhesivetape can have cohesive failure performance, proper hardness and good tensile shear performance and damping performance.

Provided is a patch having good adhesion property, which stably maintains the quality for a long time.

A patch containing a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer contains an elastomer obtained by crosslinking a polymer having a butadiene skeleton in the presence of organic peroxide.

This invention provides a process for the production of molded particles for microbial cell-immobilization which is characterized in that: an aqueous liquid composition which comprises: (a) an ethylenically unsaturated group-containing urethane resin which is obtained by making a tertiary amino group-containing diol react with a polyisocyanate compound, and by further introducing an ethylenically unsaturated group; (b) a polymerization initiator; and (c) water-soluble macromolecular polysaccharides; is gelatinized, in an aqueous medium which contains metal ion, to be particulate gel which is then subjected to photopolymerization and/or thermopolymerization by which to cause the crosslinking reaction of ethylenically unsaturated group in said particulate gel.

An improved photoimageable dry film formulation, a fluidic ejection head containing a thick film layer derived from the improved photoimageable dry film formulation, and a method for making a fluidic ejection head. The improved photoimageable dry film formulation includes a multifunctional epoxy compound, a photoinitiator capable of generating a cation, a non-photoreactive solvent, and from about 0.5 to about 5% by weight a silane oligomer adhesion enhancer based on a total weight of the photoimageable dry film formulation before drying.

The invention relates to a compound ivermectin tablet and a preparation method thereof. The compound ivermectin tablet is mainly prepared from the following raw materials in parts by weight: 0.01-0.05part of ivermectin, 5-10 parts of fenbendazole, 2-5 parts of praziquantel, 3-10 parts of a disintegrating agent, 61-91 parts of a filling agent, 1-3 parts of a lubricating agent and 0.3-1 part of anadhesive. The compound ivermectin tablet is high in uniformity and excellent in using effect.

The invention discloses a preparation method of a hydrocracking catalyst. According to the catalyst, a mixed solution A containing Ni and Al and a sodium tungstate alkaline solution are subjected to agelatinization reaction in a parallel flow manner, obtained slurry is aged, a mixed solution B containing Si and Al components and a sodium tungstate alkaline solution are added to the aged slurry ina parallel flow manner for a gelatinization reaction, aging is performed after a suspension of a molecular sieve is added, drying, forming and other steps are performed, and the hydrocracking catalyst is prepared. The hydrocarcking catalyst is applicable to medium oil type hydrocracking catalysts and has good activity and selectivity.

The invention discloses an anchor sealing material suitable for an anchor cable in turbulent region, belonging to the technical field of water conservancy and hydropower projects. According to the anchor sealing material, the technical problems a pre-stressed anchor cable in the turbulent region is relatively low in adhesion strength during the anchor sealing construction, an anchor sealing material is easily damaged by the scouring of water flow in the turbulent region, the anchor force of the anchor cable is lost, and the durability of the anchor cable is weakened at present are solved. Theanchor sealing material is prepared from the following raw materials in parts by mass: 200-300 parts of epoxy resin, 80-90 parts of ethanediamine, 50-55 parts of acetone, 350-380 parts of cement, 571-1141 parts of fine aggregates and 571-1141 parts of coarse aggregates. The 1d compressive strength of the prepared anchor sealing material is not less than 40MPa, the 7d compressive strength is not less than 50MPa, the 28d compressive strength is not less than 60MPa, and the bonding strength is not less than 3MPa, so that the anchor sealing material is very suitable for the anchor sealing treatment of an anchor end of the anchor cable in the turbulent region.

Provided is a detachable layer-forming composition which, for example, contains an organic solvent and a polyamic acid, both ends of which are derived from tetracarboxylic acid and sealed with an aromatic monoamine, such as the polyamic acid represented by this formula.

(In the formula, X represents a tetravalent aromatic group, Y represents a divalent aromatic group, R¹-R⁵ each independently represent a hydrogen atom, a C1-10 alkyl group, or a C6-20 aryl group, and m is a natural number.)