109results about How to "Novel material" patented technology

Disclosed is a novel organic semiconductor material which has a twisted quaterphenylene skeleton as a central unit and simultaneously possesses a skeleton having an electron-transporting property and a skeleton having a hole-transporting property at the terminals of the quaterphenylene skeleton. Specifically, the organic semiconductor material has a [1,1′:2′,1″:2″,1′″]quaterphenyl-4-4′″-diyl group, and one of the terminals of the [1,1′:2′,1″:2″,1′″]quaterphenyl-4-4′″-diyl group is bonded to a skeleton having an electron-transporting property such as a benzoxazole group or an oxadiazole group. A skeleton having a hole-transporting property such as diarylamino group is introduced at the other terminal. This structure allows the formation of a compound having a bipolar property, a high molecular weight, an excellent thermal stability, a large band gap, and high triplet excitation energy.

The interverterbral fusion implement for cervical vertebra anterior operation is one hollow column with polygonal or circular cross section, holes on side wall and sharp teeth on the upper and the lower surfaces. It is made of polymer material capable of being absorbed by human body, poly(DL-lactic acid), poly(L-lactic acid), polyglycolic acid or their copolymer. It has determined early-stage locking effect, late-stage bone fusion effect, good biocompatibility and proper mechanical structure, and may be self-degraded after being fused with vertebra. It results in no rejection and may be also used in thoracic vertebra and lumbar vertebra operation.

The invention relates to a steel-concrete composite bridge and a construction method thereof. The novel steel-concrete composite bridge is characterized by comprising main beams, a cast-in-situ SAP (Super Absorbent Polymer) internal curing concrete bridge panel and shear studs, wherein clustered or uniformly-distributed shear studs are arranged on the main beams; a plurality of main beams are erected in a splicing way along the transverse direction of the bridge; all the main beams are connected into a whole through an end connecting plate along the longitudinal direction of the bridge, thereby forming a multi-hole connection structure; the top surfaces of the main beams are provided with open stiffening ribs, and are coated with an epoxy resin bonding layer; an SAP is poured on the epoxy resin bonding layer to realize internal curing; a cast-in-situ SAP internal curing concrete bridge panel is formed by concrete; the shear studs, longitudinal and transverse reinforcing meshes and the open stiffening ribs are positioned in the cast-in-situ SAP internal curing concrete bridge panel. An FRP (Fiber Reinforced Polymer/Plastic) board or an upper flange steel board of a T-shaped steel beam is a template which is light, has high strength and high stress performance and does not need to be detached; SAP internal curing concrete has a weak shrinking and gradual changing effect, so that the problem of tendency to cracking when the conventional concrete bridge panel is too large and too thin is solved; the influence of floor stand construction on urban traffic is lowered remarkably.

The invention provides an interbody fusion cage for posterior lumbar spinal surgery and a preparation method thereof, and belongs to the application field of biomedical composite materials. The rectangular interbody fusion cage has side surface drainage through-holes, end surface chamfers, and triangle toothed structures on the upper and the bottom surfaces. The preparation method comprises the following steps of profiling the interbody fusion cage with carbon/carbon composite material as target, and preparing hydroxyapatite coating layers on the upper and the bottom surfaces of the interbody fusion cage sequentially by sandblasting pretreatment, plasma spraying, vacuum heat treatment and simulated body fluid immersion. The interbody fusion cage prepared by the inventive method has the advantages of novel material, advanced preparation method, reasonable structural design and good osteoconductivity function.

The invention discloses a fully-inorganic quantum dot backlight LED preparation method. A prepared quantum dot backlight LED adopts inorganic perovskite quantum dots, and is novel in material and excellent in performance; and the quantum dot backlight LED adopts a fully-inorganic device structure, and light-emitting material thereof is formed through room temperature crystallization and is wrapped by SiO2 on the surface thereof, thereby helping to improve device stability.

A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I):

wherein X¹ and X², which may be the same or different, are any of specific divalent groups; R¹ to R¹⁰, which may be the same or different, are a hydrogen atom, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group, an alkoxy group, an aryloxy group or a cyano group; and R³ to R⁶ or R⁷ to R¹⁰ may be bonded to each other to form a ring.

The invention specifically relates to an underwater static crushing agent and a preparation method thereof, belonging to the technical field of soundless crushing. The underwater static crushing agent comprises, by weight, 80 to 95% of overburnt calcium oxide, 2.7 to 14.7% of Portland cement, 0.5 to 2% of calcium chloride, 2 to 3% of UWB-II type underwater nondispersible concrete flocculating agent and 0.3% of a polycarboxylate superplasticizer. The preparation method comprises a step of subjecting the above-mentioned components to dry mixing and uniform dispersion with overburnt calcium oxide with a fineness of 35 to 30 [mu]m as a main component, Portland cement as a coagulation and hardening agent, calcium chloride as an early-strength agent, the UWB-II type underwater nondispersible concrete flocculating agent as a flocculating agent and the polycarboxylate superplasticizer as a water reducing agent. An application method for the underwater static crushing agent comprises a first step of filling an injector or a polybag of a straight tube structure with pasty slurry and a second step of bringing the injector or polybag to water by a diver for underwater usage. The crushing agent and preparation method thereof are good in security, short in a construction cycle, low in construction cost and environment friendly.

The invention discloses a wall building formwork applicable to intelligent construction of a vertical shaft. The outer surface of the formwork is coated with a Teflon coating; a main body comprises a core frame cylinder, curve sliding rails and segmental sliding forms, and formwork supporting and releasing actions of the segmental sliding forms are realized by the aid of radial contraction indirectly produced by vertical traveling of the segmental sliding forms in the longitudinal direction through the curve sliding rails. Leveling and centering of the formwork are subjected to servo adjustment by corresponding hydraulic oil cylinders after pose determination by sensors, and circularity regulation is not needed. The formwork has basic function of a concrete pouring envelop structure as well as capacity of monitoring and evaluating the quality and an evolution process of cast-in-place concrete by means of setting of pressure, temperature, moisture and ultrasonic measurement points on the outer surface of the formwork. The formwork has the characteristics of being reasonable in structure, reliable in work, quick in action and capable of performing automatic centering and leveling and evaluating the pouring quality of the concrete in real time, and realizes intelligence of the construction process of the vertical shaft.

A kneading type garlic peeling machine comprises a supporting device, a power device and a peeling device. The power device and the peeling device are arranged at the two ends of the supporting device respectively. The peeling device comprises a peeling cavity and a kneading mechanism, wherein the peeling cavity is provided with a garlic inlet, a garlic outlet and a sundry outlet, and the kneading mechanism is arranged inside the peeling cavity. The kneading mechanism comprises a rotating wooden wheel, a rotating shaft and a plurality of annular parts, wherein the rotating shaft drives the rotating wooden wheel to rotate, and the annular parts are evenly distributed on the outer surface of the rotating wooden wheel. Each annular part is composed of an arc-shaped strip and protrusions installed on the arc-shaped strip, the length direction of the arc-shaped strips is consistent with the axial direction of the rotating shaft, and the distances between the outmost ends of the protrusions and the center line of the rotating shaft are equal. The kneading wooden wheel and kneading curved parts are novel in materials, simple and reasonable in appearance, strong in capability of kneading garlic peels and capable of not damaging the garlic peels. The kneading type garlic peeling machine has the advantages of being low in cost, high in kneading efficiency, low in labor intensity and the like, and does not pollute the environment.

The invention relates to an ultra-high performance concrete and common concrete combined pile and a construction method thereof. The combined pile comprises an ultra-high performance concrete prefabricated barrel, a plurality of holes are formed in the side wall of the ultra-high performance concrete prefabricated barrel, the ultra-high performance concrete prefabricated barrel is placed in a pile hole, the center line of the ultra-high performance concrete prefabricated barrel coincides with that of the pile hole, common concrete is poured in the ultra-high performance concrete prefabricated barrel to form a common concrete inner core, the common concrete flows out of the holes in the outer wall of the ultra-high performance concrete prefabricated barrel from inside to outside to form a common concrete bonding outer layer, and the common concrete bonding outer layer is located between the outer wall of the ultra-high performance concrete prefabricated barrel and the inner wall of the pile hole. The ultra-high performance concrete and common concrete combined pile is simple in structure construction, novel in material and good in mechanical property, the pile diameter can be reduced, manufacturing cost can be saved, the problems happening to pile foundation construction are effectively solved, the quality and durability of the pile are improved, the good mechanical property and economic benefits are achieved, and the quite wide application prospect is achieved.

The invention belongs to the technical field of an electric heating apparatus, and relates to a special-tube-shaped electric heating apparatus and a preparation method therefore. The main body structure comprises an electric heating tube, electric heating wires, magnesium oxide, an inner lead-out rod, an outer lead-out rod, a fuse, a pressing plate assembly, a heat sensor, a flange, a rubber sealing strip, an insulator and a terminal; the preparation method comprises the steps of carrying out H2 annealing, wire winding, and spot welding, adding magnesium oxide, measuring withstand voltage, reducing the tube diameter, performing aligning, bending the tube and forming, clamping the tube, carrying out overall oil pressure processing, cutting the rod, assembling the rod, assembling the sealing strip, drying and removing moisture, detecting the insulation, packaging the insulator, carrying out water voltage test, resistance value test and withstand voltage test, installing the heat sensor, examining the appearance and the packaging, leaving the factory, and the like. The apparatus is simple in structure, creative in material selection, simple and convenient to manufacture, simple in steps, good in product quality, long in service life, and high in safety property.

The invention discloses a preparation method of functional molecular sieves for adsorbing Pb (II) heavy metal ions, which comprises the following steps: firstly, preparing a mesoporous molecular sieve MCM-41 through a series of physical and chemical processes; then preparing secondary functionalized mesoporous materials M-2 and M-3 through prehydrolysis of 3-mercaptopropyltrimethoxysilane and 3-aminopropyltrimethoxysilane and further secondary functionalization reaction treatment on the mesoporous molecular sieve; purifying the functionalized mesoporous materials by methods of crystallization, drying, reflux and the like; then utilizing the mesoporous materials for adsorbing and removing heavy metal lead ions for water treatment. The secondary functionalized mesoporous materials with an ordered structure can be prepared by using simple equipment and a simple operation mode through the method, the mesoporous materials have a specific regular mesoporous structure and a rich and highly-ordered pore structure, and after secondary functionalization treatment, the regular pore channel structure is basically not damaged, and good structural stability is achieved.

Comparing to conventional electrochromic material showing a primary drawback of high manufacturing cost due to low synthetic yield, the inventors of the present invention modulate the chemical structure of a traditional viologen compounds so as to develop a novel electrochromic material performing an excellent advantage of low manufacturing cost resulted from high recovery rate. Moreover, differing from conventional electrochromic devices (ECD) installed with the conventional electrochromic material, the inventors of the present invention also propose an anti-dazzle mirror having the novel electrochromic material, wherein the proposed anti-dazzle mirror shows an outstanding reflectivity performance.

The invention relates to a CsPbI3 mixed-phase perovskite thin film and a controllable preparation method thereof. The controllable preparation method comprises the following operation steps that 1, adding octadecene, oleylamine, oleic acid and lead iodide into a three-neck flask, heating and stirring at the temperature of 140-180 DEG C under the vacuum condition to serve as a reaction solvent; 2,dissolving cesium stearate and oleic acid in octadecene to form a precursor solution; and 3, rapidly injecting the precursor solution into a reaction solvent, rapidly cooling with water, and then centrifugally purifying to obtain the perovskite CsPbI3 quantum dot; and 4, spin-coating a dispersion liquid of the CsPbI3 quantum dots on the surface of a clean glass sheet, and carrying out heat treatment in an atmospheric environment to obtain the CsPbI3 mixed-phase perovskite thin film. The CsPbI3 mixed-phase perovskite thin film is prepared by the method disclosed by the invention. According to the invention, CsPbI3 is used for obtaining a monomer to emit white light, and the material is novel; based on a full-inorganic perovskite material, the perovskite material is more stable than a traditional perovskite material; phase regulation of CsPbI3 is achieved through the temperature and time of heat treatment, and the method is simple and easy to implement.

A method for preparing a biomass-based conductive hydrogel by 3D printing is provided. Firstly, a cellulose-based macromonomer, a rosin-based monomer, an acrylic acid monomer and an initiator are mixed in a certain proportion, stirred, and dissolved at 25-70° C. Then, diisocyanate in an amount of 5-10 wt % of a total mass of the monomers is added to the mixed solution and mixed uniformly to prepare a 3D printing photosensitive resin solution. An SLA light-curing 3D printer is used to print a hydrogel precursor 1 with a complex shape. Next, the hydrogel precursor 1 is heated to obtain a hydrogel precursor 2 with a dual-curing network. Finally, the obtained hydrogel precursor 2 is swelled in a 1-15 wt % alkaline solution at 5-60° C. for 0.1-10 hours to obtain the biomass-based conductive hydrogel.

The invention provides a method for preparing natural duck meat taste essence, which takes oxidated duck fat as raw material to prepare the duck meat taste essence by Maillard reaction; wherein the oxidated duck fat has the peroxide value of 20-2200mmol/kg, anisidine value of 260-500 and the acid value of 0.2-20gKOH/kg fat. A method for preparing the oxidated duck fat comprises the steps: in a reaction kettle provided with an aeration device, the natural duck fat is filled with air under the conditions that the stirring rotation speed is 100-1000r/min and the temperature is 80-180 DEG C; the air velocity is 0.5-5m/kg. h, and the oxidation time is 0.5-10h; the prepared natural duck fat is taken as the main raw material for preparing the essence, and the method has the advantages of novel selected material, easy acquisition and low cost.

The invention discloses a silicon-based Bi2O2Se structure terahertz wave switch comprising an upper metal square ring electrode, a Bi2O2Se nano film, a silicon substrate, a lower metal square ring electrode and a voltage source, wherein the upper metal square ring electrode is located on the top layer, the lower layer of the upper metal square ring electrode is the Bi2O2Se nano film layer, the lower layer of the Bi2O2Se nano film layer is the silicon substrate, the lower layer of the silicon substrate is the lower metal square ring electrode, the upper metal square ring electrode and the lowermetal square ring electrode have the same size and shape and are connected by the voltage source, the terahertz wave is perpendicularly injected from the top layer into the top geometric center, thecontinuous laser of 808nm wavelength is injected from the top layer at 45 degrees into the top geometric center, and the switching control of the terahertz wave is realized by adjusting the continuouslaser power and the applied voltage. The silicon-based Bi2O2Se structure terahertz wave switch provided by the invention has the advantages such as novel material, simple structure, convenient manufacture and superior performance, and can be used for terahertz wave switch control.

The invention belongs to the field of organic solar cell materials, and discloses an anthraquinone based copolymer, a preparation method, and applications thereof. The structural formula of the copolymer is represented in the description, the R1 and R2 both represent a C1-C20 alkyl group, and the n is an integer in a range of 11 to 98. In the provided anthraquinone copolymer, the anthraquinone group contains a quinoid structure, which has an excellent fluorescent property and good electrochemical performance, and moreover, the phenyl ring is modified by alkyloxy so as to improve the solubility and film-forming ability of the copolymer. Fluorene is a compound with a rigid flat structure, and has a high thermal stability and fluorescence quantum yield. The provided anthraquinone based copolymer can be applied to solar cells so as to increase the light conversion rate of the organic solar cells.

The invention relates to an apparatus for treating cervical vertebra and lumbar vertebra and a preparation method thereof. The apparatus comprises a housing in direct contact with human body and a heating unit arranged inside the housing, and the apparatus is characterized in that the housing is made of Mao bamboo of which the external green peel is removed and which is subject to digestion treatment of a Chinese traditional medicine liquid made from the following raw materials by weight: 1g of negundo chastetree bud, 0.75kg of Indian stringbush root and 50kg of water. The preparation method comprises steps of selecting bamboo blocks, digestion and softening treatment of the bamboo blocks, drying in the shade, digestion treatment by the Chinese traditional medicine liquid, assembling and the like. The apparatus has significant short-term remission effects on pains of cervical vertebra, lumbar vertebra and back, and solidified and durative treatment effect can be obtained by a longer period of treatment, and at the same time the apparatus is characterized by being not easy to cause tolerance. The preparation method is characterized by simpleness, easy materials, low manufacturing cost, and natural environment protection.