42results about How to "Broad prospects for commercialization" patented technology

The invention provides a kind of carbon nanotube / short-fiber composited nano-carbon paper and a continuous preparation method thereof. The nano-carbon paper mainly comprises disordered carbon nanotubes and short fibers, and is in a non-woven form. The preparation method of the nano-carbon paper comprises the following steps that: the disordered carbon nanotubes are dispersed in a solvent so as to form a dispersion liquid; then, mixing and dispersing the short fibers so as to form a size; preparing an initial film through vacuum assisted flow-casting film-forming; and then, removing polymers in the initial film through subsequent processing so as to obtain a target product. The composited nano-carbon paper disclosed by the invention integrates the huge specific surface areas, superior conductivity and functional characteristics of the carbon nanotubes and the enhancement effect of the short fibers on the strength and flexibility of the carbon paper, therefore, the composited nano-carbon paper is good in self-supporting property and flexibility; meanwhile, through the direct film-forming implemented by using a flow-casting method, the continuous film-forming of the nano-carbon paper is realized, therefore, the nano-carbon paper has the advantages of high efficiency, rapidness and easy large-scale preparation. The composited nano-carbon paper disclosed by the invention has a wide application prospect in the fields of energy electrodes, catalytic carriers, environmental management, static resistance, electromagnetic shielding, wave-absorbing camouflage, and the like.

The invention discloses a flexible lifting control method for a thermal power generating unit. The flexible lifting control method comprises the following flexible steps of: arranging a throttling device for steam extraction of a steam turbine of a thermal power generating unit; acquiring a steam extraction flow signal of the steam turbine; and improving control of the thermal power generating unit. The invention discloses a set of perfect thermal power generating unit flexible control technology according to related technical means of wavelet decomposition and steam turbine heat-storage advanced utilization. The flexible lifting control method takes load change capability of the steam turbine, main steam pressure dynamic characteristics and unit integral safety into consideration, improves quick load change capacity of the thermal power generating unit, provides technical support for large-scale grid-connection of power generation of renewable energy sources, and has a wide commercialprospect.

The invention provides a method for preparing a crimson reactive dye with a structure represented by a following formula, wherein M is selected from Na, K, or Li. The method comprises the steps that: (1) an N-ethyl meta-ester solid is added into a primary condensation solution formed by condensation of cyanuric chloride and H acid, and secondary condensation is carried out; the pH of an obtained secondary condensate solution is regulated to neutral or near neutral before a coupling reaction; (2) 2-naphthylamine-1-sulfonic acid is subjected to reverse-method diazotization; the pH of obtained diazonium salt is regulated to neutral or near neutral; (3) the diazonium salt is added into the secondary condensate in one time, and the coupling reaction is carried out under a neutral or weakly alkaline condition, such that a target dye liquid is obtained; and the liquid is directly dried, such that a solid product is obtained. The method provided by the invention has the advantages of low cost, low energy consumption, and no pollution. Various application performance indicators of the prepared product reach or exceed those of products of companies abroad.

The invention discloses a preparation method for a N-difluoromethylthiophthalimide compound. The preparation method comprises a step of subjecting difluoromethanesulfonyl chloride and a compound as show in a formula 1 which is described in the specification to difluoromethylthiolation in an organic solvent so as to obtain the N-difluoromethylthiophthalimide compound as show in a formula 3 which isdescribed in the specification. The preparation method of the invention has the advantages of simple operation, few steps, a wide scope of applicable substrates, mild reaction conditions, a high reaction conversion rate, high yield, low cost and suitability for industrial production.

The invention relates to a polymer dispersed liquid crystal which is prepared from the following components in parts by mass: 0.5-1.5 parts of nano-silver loaded graphene, 1-5 parts of semiconductor quantum dots, 20-74 parts of a photosensitive polymer, 20-78 parts of nematic liquid crystal, and 1-5 parts of a photoinitiator, wherein the silver content of the nano-silver loaded graphene is less than or equal to 45wt%, the average transverse size is more than or equal to 5 [mu]m, and the average longitudinal size is 0.8-1.2 [mu]m. The invention also relates to a preparation method of the polymer dispersed liquid crystal and application of the polymer dispersed liquid crystal in a random laser. The polymer dispersed liquid crystal disclosed by the invention has the characteristics of simpleand easily available raw materials and low cost, and the obtained random laser has the advantages of short preparation period, simple preparation process, easy regulation and control of emission wavelength, low production cost, higher intensity of emitted light, low threshold value and the like, and has a wide commercial application prospect.

The invention relates to an N-heterocyclic carbene palladium complex with a ptycene structure. A three-dimensional skeleton is provided, so that the steric hindrance can be increased and a carbon-carbon double bond located between C11 and C12 of vinylidene anthracene in the skeleton structure prevents arylamine from overturning around a carbon-nitrogen bond. Therefore, beta-hydrogen elimination and catalyst deactivation are inhibited, and the reaction activity of the catalyst is greatly improved. The Suzuki-Miyaura coupling reaction between the nitrogen-containing heterocyclic chloro compoundserving as a substrate and the low-activity nitrogen-containing heterocyclic boric acid is realized, the reaction can undergo under mild conditions of air and water, and meanwhile, a relatively high reaction yield is ensured.

The invention provides a kind of carbon nanotube / short-fiber composited nano-carbon paper and a continuous preparation method thereof. The nano-carbon paper mainly comprises disordered carbon nanotubes and short fibers, and is in a non-woven form. The preparation method of the nano-carbon paper comprises the following steps that: the disordered carbon nanotubes are dispersed in a solvent so as to form a dispersion liquid; then, mixing and dispersing the short fibers so as to form a size; preparing an initial film through vacuum assisted flow-casting film-forming; and then, removing polymers in the initial film through subsequent processing so as to obtain a target product. The composited nano-carbon paper disclosed by the invention integrates the huge specific surface areas, superior conductivity and functional characteristics of the carbon nanotubes and the enhancement effect of the short fibers on the strength and flexibility of the carbon paper, therefore, the composited nano-carbon paper is good in self-supporting property and flexibility; meanwhile, through the direct film-forming implemented by using a flow-casting method, the continuous film-forming of the nano-carbon paper is realized, therefore, the nano-carbon paper has the advantages of high efficiency, rapidness and easy large-scale preparation. The composited nano-carbon paper disclosed by the invention has a wide application prospect in the fields of energy electrodes, catalytic carriers, environmental management, static resistance, electromagnetic shielding, wave-absorbing camouflage, and the like.

The invention relates to an iridium cooperation compound as a near-infrared light-emitting material, wherein the iridium cooperation compound has a nitrogen-containing aromatic condensed ring structure, and an electron-withdrawing cyano group is introduced to the aromatic condensed ring. According to the invention, after the iridium cooperation compound as a the near-infrared light-emitting material is doped into a main body material and is used as a light-emitting layer in an organic near-infrared light-emitting diode, PLQY is about 45% at most and is remarkably higher than about 20% reportedin the prior art, and EQE is about 10% at most and is remarkably higher than 5-6% reported in the prior art; and the organic near-infrared light-emitting diode of the iridium cooperation compound hascharacteristics of excellent stability, high performance repeatability, long bright spot half-life period and long service life, wherein particularly a spectrum does not generate obvious displacementwhen a voltage is increased while other miscellaneous peaks do not occur, and the light color is not changed.

The invention discloses a single fluorescent probe for clearly distinguishing a cell membrane-lipid raft microdomain from a non-lipid-raft microdomain by using two fluorescence colors in a real-time in-situ manner and simultaneously imaging the microdomains. The fluorescent probe is a compound with a structure shown as a formula (I), wherein R1 expresses 2-ethoxyethyl, aminoalkyl, hydroxyalkyl or alkyl; R2 and R3 express alkyl. The invention also discloses application of the fluorescent probe in marking the lipid raft microdomain and the non-lipid-raft microdomain on a cell membrane of a living cell by using red and green fluorescence colors in the real-time in-situ manner. The probe can mark the lipid raft microdomain by using red fluorescence, and marks the non-lipid-raft microdomain by using green fluorescence at the same time, thereby realizing simultaneous imaging of the two microdomains. Compared with a current commonly-used similar probe laurdan, the probe disclosed by the invention has the characteristics that spectrum difference of two microdomains is greater, so that clear distinguishing and simultaneous imaging of the two microdomains are realized; besides, the internal problems is improved, so the probe is simpler and more convenient to operate during application and is broad in commercial application prospect.

The invention relates to a graphene and quantum dot co-doped polymer and a preparation method thereof. The graphene and quantum dot co-doped polymer is prepared from the following components: 1-3 parts of graphene; 5-15 parts of semiconductor quantum dots; 20-74 parts of a photosensitive polymer; and 1-5 parts of a photoinitiator. The invention also relates to a preparation method of the graphene and quantum dot co-doped polymer and application of the graphene and quantum dot co-doped polymer in a random laser. The graphene and quantum dot co-doped polymer disclosed by the invention is applied to a random laser and has relatively good light stability, and an emission wave band is easy to adjust; the laser emission threshold is low and the full width at half maximum is small; and the method has the advantages of simple synthesis process, short production period and low cost, and has wide commercialization prospects.

The invention relates to a halogenated benzene ring-containing flexible large-steric-hindrance N-heterocyclic carbene palladium complex. The complex has the characteristics that (1) acenaphthenyl is used as a skeleton structure, and the metal center can be stabilized by using the excellent electron donating performance and rigid steric hindrance of acenaphthenyl, so that the catalyst is ensured to keep high stability in the presence of air and water vapor; (2) flexible large steric hindrance is introduced into an arylamine part of N-heterocyclic carbene, so that a metal center has certain openness, the structure of an active center can be changed by the metal center under different reaction conditions, and different active species can be generated in situ, so that selective flipping of different carbon (pseudo) halogen bonds can be realized only by adding one catalyst; and (3) the catalyst is wide in substrate adaptability range and has high activity on heterocyclic poly (pseudo) aryl halide, air and water vapor do not need to be isolated in the reaction based on the catalyst, and high reaction activity can be realized under mild reaction conditions.

The invention discloses a wool bright yellow active dye with a novel structure. A structural general formula of the wool bright yellow active dye is as follows: the definition of each group in the formula is shown in a description. The wool bright yellow active dye is mainly used for dying and printing wool, silks, polyamide and blended fabric thereof or can be used for dying and printing loose wool, wool top, yarn, carpet and a textile subjected to shrink proofing and woven fabric. After being dyed, the textile has bright colors, favorable level dyeing effect and tone reproducibility, high absorbability and color fixation rate, and excellent light fastness and wet treatment fastness, and can meet the requirements of the market on the environmental and ecological protection of the dye.

The invention discloses a nanoporous alkali metal / alkaline-earth metal titanate photocatalyst and a preparation method thereof. A dual-function nanometer template with a sol-gel hydrothermal method is adopted, namely a novel preparation method of adding a normal inorganic template in a sol-gel process and removing the added template through a hydrothermal alkaline environment is used for preparing the nanoporous alkali metal / alkaline-earth metal titanate photocatalyst. The synthetic process has the characteristics of low energy consumption, short period, low cost and nearly no pollution in a synthetic process; the preparation materials have strong regulation possibility; parameters in three aspects of a specific surface area, a crystallinity and a duct size can be adjusted in large scale. The nanoporous alkali metal / alkaline-earth metal titanate photocatalyst prepared by using the dual-function nanometer template with the sol-gel hydrothermal method has the characteristics that the specific surface area and the crystallinity can be continuously regulated; the duct size is adjustable; organic pigments in organic gas pollutants and water solutions can be efficiently degraded; furthermore, photocatalysis decomposition and photo-reduction of carbon dioxide can be effectively carried out on water.

The invention discloses a technology for preparing organic fuel through directly converting carbon dioxide by using sunlight and a photothermal catalyst. Sunlight is utilized to supply light and heat for the synthesis and catalytic process of the photothermal catalyst, and the photothermal catalyst can simultaneously absorb and utilize ultraviolet light, visible light and infrared light parts in sunlight, so that a phtothermal catalytic reaction is induced to prepare the organic fuel through reducing carbon dioxide by using hydrogen. The photothermal catalyst comprises the following components: an active component which is a 2-30 nano-scale non-stoichiometric oxide belonging to a VIII-family element in a transition family and a carrier material which is an oxide or carbon material with the specific surface area of 30-1000cm<2> / g, alkaline resistance, high heat conductivity or photocatalytic activity. A steeping and in-situ sintering method or photodepositing and in-situ sintering method is used as a synthesis method so that the energy consumption is low, and the photothermal catalyst has high activity and long service life by using a solar-assisted in-situ sintering technology. The technology for preparing organic fuel through directly converting carbon dioxide by using sunlight and the photothermal catalyst is low in energy consumption in the catalytic process, high in organic fuel production efficiency and stable in catalyst activity.

The invention relates to a semiconductor quantum dot-doped polymer dispersed liquid crystal containing Ag nanoparticles and a preparation method thereof, which is prepared from the following components in parts by mass: 1-5 parts of semiconductor quantum dots; 20-74 parts of photosensitive polymer ; 20-78 parts of nematic liquid crystal; 1-5 parts of photoinitiator; 0.5-1.5 parts of Ag nanoparticles. The invention also relates to the application of semiconductor quantum dot doped polymer dispersed liquid crystal containing Ag nano particles in random laser. The semiconductor quantum dot-doped polymer dispersed liquid crystal containing Ag nanoparticles of the present invention has simple and easy-to-obtain raw materials and low cost, and the obtained random laser has short preparation period, simple preparation process, easy regulation of emission wavelength, low production cost, and With the advantages of higher light intensity and low threshold, it has broad commercial application prospects.

The invention relates to a preparation method for a lutetium-aluminum garnet-based transparent ceramic. Specifically, the method comprises the following steps (a) preparing precursor powder; (b) spraying the precursor powder onto the surface of a metal carrier chip so as to form a lamellar spraying coating; (c) separating the spraying coating from the surface of the metal carrier chip and grinding the spraying coating to obtain powder; (d) molding the powder obtained in the step (c) so as to obtain a biscuit; (e) sintering the obtained biscuit and then carrying out hot isostatic pressing so as to obtain a ceramic chip; and (f) subjecting the ceramic chip obtained in the step (e) to annealing treatment so as to obtain the lutetium-aluminum garnet-based transparent ceramic. The preparation method has the advantages of simpleness, easy practicability, low cost and wide commercial prospects. The prepared transparent ceramic has excellent optical performance.

Disclosed is an upright few-layer graphene-metal nanoparticle composite catalytic electrode, comprising: a conductive substrate, upright few-layer graphene layers, and metal nanoparticles. The present invention also relates to a preparation method for the composite catalytic electrode. The composite catalytic electrode has high effective surface area and metal utilization, and greatly reduces the amount of a precious metal and industrial costs. The preparation method compounds nanoparticles by means of a magnetron sputtering method, and has simple and convenient preparation steps, the size morphology of the metal particles is controllable, and the purity is high.

The invention belongs to the field of solar cells, and specifically discloses a preparation method and application of a novel inorganic hole transport layer material, wherein the application is the application of MnS material as a hole transport layer material; the preparation method uses MnS powder as the source material, Using a vacuum coating machine, set the parameters so that the material density is 3.99g / cm 3 , the Z factor is 0.94, the evaporation is carried out in a vacuum environment, and the evaporation rate is such that a MnS layer can be deposited. The present invention uses MnS material as a new inorganic hole transport layer material to obtain an environmentally friendly inorganic hole transport layer material, which can be applied to devices such as perovskite solar cells, while ensuring high photoelectric conversion efficiency, The stability of the solar cell is greatly improved; and, by improving the parameters and conditions used in the evaporation process, the vacuum evaporation method is used for the first time to prepare a dense MnS film with uniform size nanoparticles.

The invention relates to a visible light-response photo-catalyst material of AgTO2 composite oxide, whose formula is presented by the AgTO2 as composite oxide semiconductor (wherein, T presents Al, Ga, In, Cr, Fe, Co, Ni). And its properties can be modified by doping oxide, hydrate, organic salt and inorganic salt of the metals as alkali metals, alkaline-earth metals, transient metal, Ge, Sn, Pb, Sb or Bi as raw material, while the doping mount is 0.1-20% (mass fraction). Said composite oxide semiconductor can decompose harmful chemical material via photo-catalyst while it is characterized in that it can effectively decompose and remove the harmful chemical material in the radiation of ultraviolet light and visible light.