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99results about How to "Extended permeation path" patented technology

Precious wood imitating dyeing method

The invention discloses a precious wood imitating dyeing method. The precious wood imitating dyeing method comprises the following technology steps that firstly, dye liquor is prepared, the dye liquor is prepared through three kinds of dyestuff including reactive red, reactive yellow and reactive blue according to the mass ratio of (2-3):(4-7):1, sodium chloride or sodium sulfate with the concentration of 5 g / L-40 g / L is added to serve as a dyeing accelerant, and sodium carbonate or ammonium chloride or propylene glycol with the concentration of 20 g / L-60 g / L is added to serve as a dye fixing agent; and secondly, impregnation dyeing is conducted, dyed wood is immersed in the dye liquor with the concentration of 0.5%-5% and the bath ratio of 1:(10-40) in a vacuum impregnation tank, dyeing is conducted in a negative pressure and positive pressure alternating manner, the dye liquor sufficiently seeps into the wood, and the surface, the inner portion and the outer portion of the dyed wood are uniform. The method has the beneficial effects that the wood treated through the provided precious wood imitating dyeing formula and the provided dyeing method is clear in texture, the total color difference between the wood color and the target wood color is smaller than or equal to 1.5 NBS, and permeability and color uniformity of the dyeing liquor are good.
Owner:梅州市汇胜木制品有限公司 +1

Epoxy resin anticorrosive coating with fluoropolymer modified montmorillonite as well as preparation method and application of coating

InactiveCN110240850AImprove abrasion resistance and hydrophobicityExtended permeation pathAnti-corrosive paintsEpoxy resin coatingsSolventDefoaming Agents
The invention discloses a wear-resistant hydrophobic epoxy resin anticorrosive coating with fluoropolymer modified montmorillonite as well as a preparation method and application of the coating. The coating comprises an A component and a B component; the A component specifically comprises the following materials, in parts by mass: 100 parts of epoxy resin, 0.5-10 parts of the fluoropolymer modified montmorillonite, 0-20 parts of a reactive diluent, 0-100 parts of a filler, 0.5-3 parts of a silane coupling agent, 0.1-2 parts of a wetting dispersing agent, and 0-50 parts of a solvent; the B component comprises the following materials, in parts by mass: 100 parts of a curing agent, 0.05-0.5 part of a defoaming agent, 0.05-0.5 part of a levelling agent, and 0-20 parts of a solvent; and a mass ratio of the A component to the B component is 100:(20-100). An anticorrosive coating layer prepared from the wear-resistant hydrophobic epoxy resin anticorrosive coating with the fluoropolymer modified montmorillonite provided by the invention has good hydrophobicity and corrosion protection performance, and the coating layer can maintain good hydrophobic protection capability for a long time under the conditions such as friction and wear.
Owner:中科广化(重庆)新材料研究院有限公司 +2

Toughening and plasticizer migration-resisting polyvinyl chloride material as well as preparation method and application thereof

The invention provides a toughening and plasticizer migration-resisting polyvinyl chloride material as well as a preparation method and application thereof and relates to the technical field of macromolecular materials. The preparation method of the toughening and plasticizer migration-resisting polyvinyl chloride material comprises the following steps: preparing laminar di-hydroxyl metal oxide through a high-temperature hydrothermal method; carrying out surface modification on the laminar di-hydroxyl metal oxide by utilizing dopamine, dopamine hydrochloride or a dopamine derivative, so as to obtain polydopamine modified laminar di-hydroxyl metal oxide; finally, mixing polyvinyl chloride, a plasticizer, a stabilizer and the polydopamine modified laminar di-hydroxyl metal oxide to obtain modified polyvinyl chloride. The prepared material has the advantages of relatively remarkable toughening and plasticizer migration-resisting properties and the like, and the compatibility of inorganic nanoparticles and the polyvinyl chloride is improved; furthermore, polydopamine can be used for preventing a polymer matrix from being degraded in an UV (Ultraviolet) illumination process, the performance stability of the polyvinyl chloride material is improved and the service life of the polyvinyl chloride material is prolonged.
Owner:XIAMEN UNIV OF TECH

Antistatic and anti-corrosive paint and preparation method thereof

The invention relates to antistatic and anti-corrosive paint and a preparation method of the paint, and belongs to the technical field of paint. A lamellar structure is prepared; hydrotalcite with specific surface area, lamellar exchange density and chemical inertness absorbs monoalkyl ether phosphate into interlayers; gelatin and chitosan are cross-linked for enclosing to achieve the purpose of slow release; monoalkyl ether phosphate and inorganic filling are combined for use to combine an antistatic effect and an anti-corrosive effect; a function of a coating is effectively improved; when phosphate molecules are contacted with the surface of a material, hydrophobic chains in the molecules are absorbed on the surface of the material to form a continuous absorption layer; a hydrophilic group of phosphate faces towards air; since the molecules of phosphate contains -OH, phosphate can form a hydrogen bond with water molecules; an absorbed water layer can form a conductive film; the surface conductivity of the material is improved, so that static charge accumulation on the surface of the material is reduced; a seepage path of oxygen molecules to reaching the surface of a matrix is prolonged; the paint has an excellent barrier property; and an anti-corrosive property is improved.
Owner:俞小峰

Display panel and display device

The invention relates to a display panel and a display device. The display panel comprises a substrate, a light-emitting structure layer and a packaging structure layer, wherein the substrate comprises an opening area, a spacing area and a display area, the opening area and the display area are spaced apart by the spacing area, and the opening area isused for mounting a camera; the light-emittingstructure layer is arranged on the substrate; the side, deviating from the substrate, of the light-emitting structure layer protrudes to form at least two circles of dams arranged at intervals, the atleast one circle of dam is located on the display area and surrounds the edge of the interval area, the at least one circle of dam is located on the opening area and surrounds the edge of the openingarea, the side, away from the substrate, of the light-emitting structure layer is sunken to form at least one groove, and the groove is located on the interval area and surrounds the opening area; and the packaging structure layer is arranged on the light-emitting structure layer. Thus, the water-oxygen blocking capability at the edge of the opening area can be enhanced, the path of water-oxygenpermeating from the opening area to the display area is prolonged, the production yield of the display panel is further improved, and the service life is prolonged.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Multifunctional composite vacuum insulation board and manufacturing and packaging method thereof

The invention discloses a multifunctional composite vacuum insulation board, and relates to the technical field of vacuum insulation boards. The multifunctional composite vacuum insulation board comprises a single-layer vacuum insulation board body, a heat insulation and preservation composite layer and a protective layer, wherein the single-layer vacuum insulation board body comprises a core material and a first polyester base film; the heat insulation and preservation composite layer wraps the single-layer vacuum insulation board body, and the heat insulation and preservation composite layercomprises three polyester-based films and three glass fiber layers; and the protective layer wraps the outer side of the heat insulation and preservation composite layer and comprises a core materialframework, a pore filler and a phenolic resin adhesive. The invention further discloses a manufacturing and packaging method of the multifunctional composite vacuum insulation board. According to themultifunctional composite vacuum insulation board, the heat insulation and preservation composite layer prolongs the permeation path of external gas passing through heat seals and the polyester-basedfilms, the heat insulation and preservation performance and the service life are guaranteed; from the manufacturing perspective of the vacuum insulation board, the six surfaces of the single-layer vacuum insulation board body are covered with the glass fiber layers; and from the packaging perspective, after one glass fiber layer is covered, vacuumizing packaging is carried out once so that heat bridges can be reduced, and the protective layer is high in strength and not prone to deform.
Owner:山东信泰节能科技股份有限公司

Engaged pile-double wall steel combined cofferdam connecting structure and construction operation technology

The invention discloses an engaged pile-double wall steel combined cofferdam connecting structure and a construction operation technology. The engaged pile-double wall steel combined cofferdam connecting structure and the construction operation technology are characterized in that the novel engaged pile-double wall steel combined cofferdam connecting structure is provided with an embedded part A,an embedded part B, a ring-shaped groove formed in the contact position of the top of a crown beam and an outer wall plate of a double wall steel cofferdam, a groove interior water stop material, anchor bars stretching in the crown beam and the double wall steel cofferdam and concrete poured in a sandwich cabin of the double wall steel cofferdam. The embedded part A is directly connected with theinner wall plate of the double wall steel cofferdam. The ring-shaped groove is formed in the contact position of the top of the crown beam and the outer wall plate. The embedded part B is arranged atthe bottom of the ring-shaped groove. The outer wall plate is connected with the embedded part B at the bottom of the ring-shaped groove. A certain clearance is reserved between the outer wall plate and the position, close to the outer wall of an engaged pile, of groove wall of the ring-shaped groove, and the clearance is filled with the water stop material. The engaged pile-double wall steel combined cofferdam connecting structure and the construction operation technology are specific to engaged pile-double wall steel combined cofferdams, and safe of the combined cofferdam in the whole building and use period is ensured under the premise that construction convenience is achieved.
Owner:SICHUAN ROAD & BRIDGE GRP

Preparation method for anticorrosion iron-coating film

InactiveCN108997604AImprove conductivityReduce static charge build-upAlkali metal silicate coatingsAnti-corrosive paintsTectorial membraneInositol hexakisphosphate binding
The invention relates to a preparation method for an anticorrosion iron-coating film, belonging to the technical field of metal coating films. According to the invention, a corrosion inhibitor is prepared by reacting ascorbic acid with phytic acid; since the ascorbic acid has the characteristics of low toxicity or non-toxicity and low price, and oxygen atoms in molecules thereof have strong electron donating ability, a firm adsorption protective film can be formed on a metal surface, and can stably exist under alkaline conditions; after bonding of the ascorbic acid with the phytic acid, when phosphate molecules contacts with the surface of a material, hydrophobic chains in the molecules are adsorbed on the surface of the material so as to form a continuous adsorption layer, and hydrophilicgroups thereof face air; since the molecules contain -OH, the molecules can form hydrogen bonds with water molecules, and an adsorbed water layer forms a conductive film, so the surface conductivityof the material is enhanced, static charge accumulation on the surface of the material is reduced, and an infiltration path which oxygen molecules takes to reach the surface of a substrate is extended; and the anticorrosion iron-coating film has excellent barrier properties, improved corrosion resistance, and good application prospects.
Owner:FOSHAN CHANCHENG DISTRICT NUOGAO ENVIRONMENTAL PROTECTION TECH CO LTD

Underground structure outer wall superposed wall adopting HCMW construction method and construction method thereof

The invention discloses an underground structure outer wall superposed wall adopting the HCMW construction method. The underground structure outer wall superposed wall adopting the HCMW construction method comprises a cement-soil mixed pile wall, a levelling course and an underground structure outer wall. The cement-soil mixed pile wall comprises multiple cement-soil mixed piles which are continuously and mutually engaged. Reinforced concrete precast piles are inserted in the multiple cement-soil mixed piles at intervals or continuously. The levelling course is arranged on the inner wall of the cement-soil mixed pile wall. The underground structural outer wall is arranged on the inner wall of the levelling course and comprises reinforcing steel bars and concrete mixed with a waterproof compacting agent. The cement-soil mixed pile wall and the underground structural outer wall constitute an integrated force bearing component through a connection structure. The invention further provides a construction method of the underground structure outer wall superposed wall adopting the HCMW construction method. In this way, the underground structure outer wall superposed wall adopting the HCMW construction method is simple and reasonable in structure, a foundation pit is omitted, a series of defects of the foundation pit are avoided, the waterproof performance is improved, a support wall and a underground structure wall are connected into the force bearing integrated body, the strength is improved, the procedure is simplified, construction is convenient and the construction period is shortened.
Owner:CHANGZHOU ARCHITECTUAL RES INST GRP CO LTD +2

Deep and shallow pit combined supporting structure with water resistance function and construction method thereof

The invention belongs to the field of foundation pit supporting structures, and particularly discloses a deep and shallow pit combined supporting structure with a water resistance function. The deep and shallow pit combined supporting structure with the water resistance function comprises a shallow foundation pit structure and a deep foundation pit structure. The shallow foundation pit structure comprises a shallow foundation pit base and a foundation slab, wherein the shallow foundation pit base is horizontally arranged, and the foundation slab is arranged above the shallow foundation pit base. A water-blocking sunken pool is formed in the side, facing the foundation slab, of the shallow foundation pit base. The upper end of the deep foundation pit structure is connected with one end of the foundation slab and abuts against the side face of the shallow foundation pit base. The deep foundation pit structure comprises a diaphragm wall and a deep foundation pit side wall, wherein the diaphragm wall and the deep foundation pit side wall are vertically arranged. One side of the diaphragm wall is attached to the deep foundation pit side wall, the other side of the diaphragm wall is attached to the side face of the shallow foundation pit base, and a water-resisting blocking groove is formed in the side, attached to the deep foundation pit side wall, of the diaphragm wall. The invention further provides a construction method corresponding to the deep and shallow pit combined supporting structure with the water resistance function. The deep and shallow pit combined supporting structure with the water resistance function and the construction method guarantee the foundation pit safety and the durability of structural engineering, and have the advantages of being convenient and fast to construct, economical, practical, high in water resistance and seepage resistance and the like.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Organic light-emitting device and preparation method thereof

The invention provides an organic light-emitting device with a packaging layer structure. The packaging layer structure is formed by alternate overlapping of inorganic barrier layers and mixed barrier layers. The inorganic barrier layers are made of one of BeO, MgO, CaO, SrO and BaO. Each mixed barrier layer is made of a mixture formed by one of AlF3, HfF4, ZrF4, LiF, CeF2 and YF3 and loop-chain beryllium alkane with a structural formula shown in the original text, wherein mole ratio of fluorides accounts for 20%-40%, R1 is selected from naphthene bases, branched alkyls or straight-chain alkyls with carbon number being 1-6, l refers to an integer ranging from 1 to 10, m refers to an integer ranging from 5 to 15, and n refers to an integer ranging from 0 to (m-1). The packaging layer structure is capable of effectively preventing external active materials such as water, oxide and the like from eroding the organic light-emitting device, so that the service life of the organic light-emitting device can be prolonged. The invention further provides a preparation method of the organic light-emitting device. The preparation method has the advantages of technical simplicity, low cost of raw materials and easiness for large-scale preparation.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2
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