32results about How to "Photosensitive" patented technology

The invention discloses a composite dielectric grating MOSFET based dual-transistor light-sensitive detector. Each of the unit detectors comprises two transistors, wherein the two transistors comprise a photoreceptive transistor and a reading transistor which are used for implementing the photoreceptive function and the reading function respectively, both of the two transistors are formed above a composite dielectric grating MOSFET substrate P-type semiconductor material (1) and are separated through shallow trench isolation (STI), a bottom layer of an insulating dielectric material, a top layer of the insulating dielectric material and a control grid (2) are arranged above the substrate P-type semiconductor material respectively, a photoelectron storage layer (4) is arranged between the two layers of insulating dielectric materials, a source / drain electrode is arranged on the reading transistor to read signals, and the two transistors are connected through the photoelectron storage layer, so that the reading transistor can read photoelectrons which are stored by the photoreceptive transistor in the photoelectron storage layer through sensitization.

The invention provides a differential absorption spectrum air quality inspecting system, which comprises a photo source, a photo source launching device, a photo source receiving device, a spectroscope, photovoltaic conversion equipment and a data processing system. The photo source launching device and the photo source receiving device are separately positioned on the two sides of the photo source, a light path which goes through the gas to be inspected is formed of the light sent out by the photo source through the photo source launching device and the photo source receiving device, and the light signal produced is imported into the spectroscope through optical fiber, and the light signal is then transformed into electrical signal through the photo electricity commutating equipment; Finally, the data processing system adopts the signal analysis method of the Fourier transformation to process the spectrum, and the absorbance curve line of the gas inspected is obtained; and the density of the gas inspected can be obtained according to the intensity of the absorbance curve line and the Lambert-beer law.

The invention relates to a processing method of a lampshade material of an LED fluorescent eye-protecting lamp. The LED lampshade is used in public places of schools, hospitals, households, hotels, shopping centers, office buildings, and the like. The LED eye-protecting lamp lampshade material is scientifically formulated, and is processed by using an advanced processing method. The produced LED lampshade provides a gentle light, such that eyes feel comfortable with the lights, and purposes of eye protecting and eyesight protecting can be achieved. With the LED fluorescent eye-protecting lamp lampshade, mercury in traditional fluorescent lamps is prevented from being evaporated into the atmosphere, such that a good environment protection function is provided. The successful development of the LED fluorescent eye-protecting lamp lampshade provides good effects on medical-cost saving and eyesight protecting, and contributes to an economized and low-carbon society of our nation.

The invention discloses a preparation method for a nanocrystal-doped tungsten oxide electrochromic film pattern. The preparation method comprises the following concrete steps: preparing a photosensitive FTO-doped tungsten oxide sol; coating an FTO electro-conductive glass substrate with the sol so as to prepare an FTO-doped tungsten oxide sol film with an ultraviolet light-sensitive characteristic; subjecting the sol film to exposure and development so as to obtain an FTO-doped tungsten oxide sol film with a pattern; and putting the sol film with the pattern into an atmosphere furnace for heat treatment so as to obtain the nanocrystal-doped tungsten oxide electrochromic film pattern. The preparation method is simple and can prepare the FTO nanocrystal-doped tungsten oxide electrochromic film pattern with a large area without special vacuum environment and reaction chamber; resists and corrosive mediums are not needed in the preparation process, so no damage is posed to the substrate; and an electrochromic film with visible-near infrared double-frequency modulation can be prepared and has better electrochromic performance compared with a common amorphous tungsten oxide film.

The present invention discloses a highly-transparent weathering-resistant flame-retardant lampshade material for emergency lights, wherein the raw materials comprise, by weight, 70-80 parts of a poly1,4-cyclohexylene dimethylene terephthalate resin, 15-25 parts of polymethyl methacrylate, 3-5 parts of nano-silica, 2-4 parts of silicon carbide, 5-10 parts of sodium dodecyl sulfate, 2-6 parts of graphene, 2-5 parts of magnesium hydroxide, 4-6 parts of decabromodiphenyl oxide, 2-4 parts of zinc borate, 1-2 parts of a light diffusing agent, 2-3 parts of carboxymethylcellulose, 1-2 parts of trichloroisocyanuric acid, 5-10 parts of polytetrafluoroethylene ultra-fine powder, 3-5 parts of a coupling agent, 10-16 parts of a processing aid, and 1-3 parts of a barium zinc stabilizer. The highly-transparent weathering-resistant flame-retardant lampshade material of the present invention has advantages of good thermal conductivity, high light transmittance, good light dispersing performance, good flame retardancy, good chemical stability, high use value and good application value; and the preparation method has advantages of low material cost, easily available raw material, and simple process.

The present invention provides a metal-ICG complex, a preparation method of the complex, metal-ICG complex albumin nanoparticles and a preparation method and application of the nanoparticles, and relates to the technical field of nano-drugs. Metal ions of the metal-ICG complex are selected from at least one of gold, platinum, zinc, copper, cobalt, iron, nickel and manganese. The technical problemsof few types, short maximum illumination wavelength and narrow therapeutic window of an existing acoustic sensitive agent are improved; and the metal ions and ICG in the metal-ICG complex provided bythe invention are complexed by coordination bonds, so that the type of acoustic sensitive agents is expanded, the illumination wavelength of the acoustic sensitive agents is increased, the therapeutic window is extended, and the metal-ICG complex has double functions of photosensitivity and acoustic sensitivity and can effectively promote the development of photothermal and sonodynamic therapy.

Provided is a photosensitive resin composition which is efficiently activated by light having a wavelength of from 350 nm to 500 nm and has excellent thick-film curability and deep curability. The photosensitive resin composition contains: (A) a photobase generator which is a compound represented by formula (1) or (2) and generates a base by irradiation of an active light ray; (B) a thermal radical polymerization initiator; and (C) a radical polymerizable substance. In formulae (1) and (2), Ar represents an aromatic hydrocarbon group or a heterocyclic group, which has at least one benzene skeleton and may be substituted by a halogen atom or the like; R1 and R2 each independently represent an alkyl group having 1 to 20 carbon atoms or the like; m represents an integer of 2 to 4; R3 to R5 each independently represent an alkyl group having 1 to 20 carbon atoms, a phenyl group, or a naphthyl group, which may be substituted by a halogen atom or the like; and X- represents an anion. The formula (1) is shown in the description.

The invention discloses an alkali-soluble photosensitive negative photoresist resin, which comprises the preparation of an alkali-soluble negative photoresist resin and the preparation of the alkali-soluble photosensitive negative photoresist resin, the alkali-soluble negative adhesive resin is prepared by reaction and copolymerization of a phenolic hydroxyl monomer, a (methyl) acrylate monomer, (methyl) acrylic acid, a (methyl) acrylic hydroxyl monomer, an initiator, a solvent and a chain transfer agent. The alkali-soluble photosensitive negative adhesive resin is prepared by reaction of the alkali-soluble negative adhesive resin, glycidyl (meth) acrylate, a catalyst and a polymerization inhibitor. On one hand, a phenolic hydroxyl monomer with good alkali solubility and a (methyl) acrylate monomer are introduced to prepare alkali-soluble resin through copolymerization, on the other hand, a new idea of introducing polymerizable double bonds is explored, epoxy groups and carboxyl are utilized to catalyze ring opening, the resin is introduced into the polymerizable double bonds, the polymerizable double bonds and the epoxy groups are combined, and the purpose of preparing the alkali-soluble resin with the light sensitivity and the good alkali solubility is achieved. And the negative photoresist resin also has alkali solubility.

The invention provides an electric sun louver. The electric sun louver comprises installation flanges, at least two stand columns, an electric cylinder, a controller, a driving mechanism, louver bases, movable blocks and louver blades. The stand columns are vertically arranged. The installation flanges are arranged on the back faces of the stand columns. The louver bases are installed on the front face of each stand column at equal intervals. The middle of each movable block is hinged to the end of each louver base. One louver blade is installed on each movable block. The tail of the electric cylinder is hinged to one stand column. The end of a telescopic rod of the electric cylinder is connected to the driving mechanism. The driving mechanism is connected with the tails of the movable blocks. The controller is connected with the electric cylinder. The electric sun louver is automatically controlled by the controller and is high in automation degree.

The invention provides a composite material of anatase titanium dioxide and a gold nano-film and a preparation method thereof. The gold nano-film is irradiated through ultraviolet rays, and ananatase titanium dioxide dispersion liquid is dropped to the gold nano-film. The gold nano-film has better heat conductivity and electrical conductivity as well as good toughness. Moreover, titanium dioxide particles and gold nanoparticles generate plasma resonance, so that the activity of a photocatalyst is improved. Therefore, the composite material is quite suitable for water purifying treatment, air purification and the like.

The invention provides an electric sun louver. The electric sun louver comprises installation flanges, at least two stand columns, an electric cylinder, a controller, a driving mechanism, louver bases, movable blocks and louver blades. The stand columns are vertically arranged. The installation flanges are arranged on the back faces of the stand columns. The louver bases are installed on the front face of each stand column at equal intervals. The middle of each movable block is hinged to the end of each louver base. One louver blade is installed on each movable block. The tail of the electric cylinder is hinged to one stand column. The end of a telescopic rod of the electric cylinder is connected to the driving mechanism. The driving mechanism is connected with the tails of the movable blocks. The controller is connected with the electric cylinder. The electric sun louver is automatically controlled by the controller and is high in automation degree.

The present invention provides a photosensitive resin composition, which has photosensitivity, excellent insulation reliability, and physical properties suitable for stacked layers (interlayer insulating layers) of a multilayer printed wiring board, the photosensitive resin composition containing: ( A) an epoxy resin, (B) one or more curing agents selected from active ester curing agents, cyanate ester curing agents, and benzoxazine curing agents, and (C) a (meth)acrylate structure compound.

The invention belongs to the technical field of textile and discloses a poly-tungstate oxygen cluster functional reversible color-changing cotton fabric and a preparation method thereof. By organically combining poly-tungstate with carboxylic acid groups on cotton cloth, poly-tungstate oxygen cluster-rare earth carboxylic acid derivatives directly grow in situ on fibers during preparation, therefore, the technological process is simplified, the poly-tungstate is directly synthesized on the fibers, the poly-tungstate and the fibers are combined more tightly, and the prepared reversible color-changing cotton fabric has photochromic and thermochromic properties and can be applied to functional fabric development.

The invention discloses a compound dielectric grid capacitive coupling variable gain photosensitive detector and its working method. The detector unit includes a composite dielectric gate MOS capacitor and a composite dielectric gate transistor formed on the same P-type semiconductor substrate, the composite dielectric gate MOS capacitor realizes the photosensitive function of the detector, and the composite dielectric gate transistor realizes the reading function of the detector; Composite dielectric gate MOS capacitors and composite dielectric gate transistors are separated by shallow trench isolation regions in the substrate. Both structures are as follows: a bottom insulating dielectric layer, a floating gate, a top insulating dielectric layer, and a control The gate, the floating gate and the control gate are shared by the composite dielectric gate MOS capacitor and the composite dielectric gate transistor, and more than two control gates are arranged side by side; the composite dielectric gate transistor is also provided with a source and a drain in the substrate. The invention can realize the functions of high dynamic range and variable gain of imaging by selecting different control gates.

The invention provides a composite material of anatase titanium dioxide and gold nanofilm and a preparation method thereof. The gold nanofilm is a gold nanofilm that has been irradiated by ultraviolet rays, and anatase titanium dioxide dispersion is dripped on it. The gold nanofilm has better thermal conductivity and electrical conductivity, and has good toughness. In addition, titanium dioxide particles and gold nanoparticles generate plasmon resonance, which improves photocatalytic activity, so it is very suitable for water purification, air purification, etc.

Aiming at the characteristics of large difference of rural sewage generation conditions, low sewage generation amount, large collection difficulty, high treatment cost and the like, the invention provides a treatment system and a treatment method for resource recovery and recycling of rural dispersed sewage, the rural sewage is subjected to the processes of pretreatment, integrated membrane concentration and the like to produce high-purity water, the water yield is low, the water quality is higher, the application is wider, the concentrated liquid is subjected to quality separation through the anaerobic treatment unit and then is subjected to resourceful treatment, the effluent can be recycled to a system or used for agricultural irrigation, one part of biogas is fed into a biogas cabinet to be stored after being subjected to impurity removal and used for a biogas boiler to provide a heat source for rural production and life, and the remaining part of biogas is recycled to the system for stirring so that in-situ resourceful treatment of rural sewage is highly realized.

Disclosed is a material which enables pattern formation in an alkaline developer, and shows high solvent resistance, liquid crystal orientation, heat resistance, high transparency, and high planarity after being formed into a cured film, and can be dissolved in a glycol solvent which can be applied to the production line of a planarized film of a color filter while being formed into a cured film. Specifically disclosed is a photosensitive polyester composition for use in forming thermally cured film, containing component (A), component (B), component (C), and component (D): component (A): a modified polyester obtained by reacting a compound having a functional group selected from a glycidyl group and an isocyanate group with a polyester containing a structural unit represented by formula (1); component (B): an epoxy compound having two or more epoxy groups; component (C): an amino group-containing carboxylic acid compound obtained by reacting a diamine compound with dicarboxylic acid dianhydride; and component (D): 1,2-quinone diazide compound. In formula (1), A and B each independently represent an organic group containing a cyclic structure.

The invention discloses an energy-saving environment-friendly type corrugated board including PVC corrugated layers, sandwich layers and PVC boards; the PVC corrugated layers are composited with the PVC boards to form a whole through the sandwich layers; the PVC corrugated layers include a first PVC corrugated layer and a second PVC corrugated layer; the sandwich layers include a first sandwich layer and a second sandwich layer; the PVC boards include a first PVC board and a second PVC board; the first PVC corrugated layer is composited with the first PVC board through the first sandwich layer; a buffer layer is filled between the first PVC board and the second PVC corrugated layer, and the second PVC corrugated layer is composited with the second PVC board through the second sandwich layer; the surface of the first PVC corrugated layer is provided with an antibacterial chromatic composite film layer in a distribution manner. The energy-saving environment-friendly type corrugated board has the advantages of heat preservation, heat insulation, sound insulation, radiation protection and green environmental friendliness.

The invention provides a laser pen and a laser writing system, and the laser pen comprises a penholder which is provided with a mounting cavity with an opening at one end; the laser generating device is mounted in the mounting cavity; the pen point is installed at the opening end of the pen holder and electrically connected with the laser generating device, the pen point is provided with a pen point, and the pen point is used for emitting laser emitted by the laser generating device; and the information exchange module is used for sending a request instruction to the light sensing screen, so that the light sensing screen performs display according to the request instruction and the received laser. The laser pen provided by the invention can be used for light-sensitive writing.

Provided is a photosensitive resin composition which is efficiently activated by light having a wavelength of from 350 nm to 500 nm and has excellent thick-film curability and deep curability.  The photosensitive resin composition contains: (A) a photobase generator which is a compound represented by formula (1) or (2) and generates a base by irradiation of an active light ray; (B) a thermal radical polymerization initiator; and (C) a radical polymerizable substance.  In formulae (1) and (2), Ar represents an aromatic hydrocarbon group or a heterocyclic group, which has at least one benzene skeleton and may be substituted by a halogen atom or the like; R1 and R2 each independently represent an alkyl group having 1 to 20 carbon atoms or the like; m represents an integer of 2 to 4; R3 to R5 each independently represent an alkyl group having 1 to 20 carbon atoms, a phenyl group, or a naphthyl group, which may be substituted by a halogen atom or the like; and X- represents an anion.

The invention relates to a silane coupling agent intermediate and application thereof in a light-cured silica sol. The silane coupling agent intermediate is generated by an acetylacetate functionalized silane coupling agent and an acrylate monomer containing at least two degrees of functionality through Michael addition reaction; the acetylacetate functionalized silane coupling agent is prepared from a trialkoxy silane coupling agent and acetylacetate containing carbon-carbon double bonds through mercapto-olefin addition reaction; when the silane coupling agent intermediate is used for preparing the silica sol, a photoinitiator needs not to be added or a small amount of the photoinitiator needs to be added, so that the coating is fully cured; the polymerizing crosslinking efficiency of acrylate double bonds is improved as a result of a self-photosensitive characteristic of the silica sol molecules, and the crosslinking density of the coating is improved, so that the wear resistance, the scratch resistance, the scoring resistance and the like of the coating are further improved.

Disclosed is a material which enables pattern formation in an alkaline developer, and shows high solvent resistance, liquid crystal orientation, heat resistance, high transparency, and high planarity after being formed into a cured film, and can be dissolved in a glycol solvent which can be applied to the production line of a planarized film of a color filter while being formed into a cured film. Specifically disclosed is a photosensitive polyester composition for use in forming thermally cured film, containing component (A), component (B), component (C), and component (D): component (A): a modified polyester obtained by reacting a compound having a functional group selected from a glycidyl group and an isocyanate group with a polyester containing a structural unit represented by formula (1); component (B): an epoxy compound having two or more epoxy groups; component (C): an amino group-containing carboxylic acid compound obtained by reacting a diamine compound with dicarboxylic acid dianhydride; and component (D): 1,2-quinone diazide compound. In formula (1), A and B each independently represent an organic group containing a cyclic structure.

Provided is a method of preparing a photoinitiated selfrepairing microcapsule, comprising: (1) obtaining a capsule core material emulsion by stirring a coumarin compound and sodium lauryl sulfate at 40-55 ℃ (water bath), dropwisely adding water, and emulsifying 20-40min; (2) obtaining a capsule wall prepolymer material solution by mixing urea and aqueous formaldehyde solution, adjusting pH to 8-9 and reacting at 60-70 ℃ for 1-2 hours; (3) obtaining a solution containing microcapsules by slowly dripping the capsule wall prepolymer material solution of step (2) into the capsule core material emulsion of step (1) under stirring, adjusting the pH value to be neutral and curing. The coating process of the method is simple and safe with no need for for a catalyst,and has a low cost. The coumarin-based capsule core material can be cross-linked under photoinitiation to repair micro-cracks, and the capsulate wall material is an environmentally friendly co-condensed resin of urea-formaldehyde.

The invention belongs to the technical field of processing of degradable plastic bags, and particularly relates to a processing method of a low-cost degradable plastic bag. The processing method comprises steps of raw material preparation, preparation of a sweet potato processing material, preparation of a fused material and preparation of a mother material and a plastic thin film. Compared with the prior art, the processing method has the following advantages that sweet potatoes serve as one of the main raw materials, and are processed with a urea solution, carboxyl-terminated polyamide and acationic initiator under a high temperature microwave condition, the molecular mass of the reactants can be effectively improved, the softness and the toughness of sweet potato fiber are enhanced, meanwhile, the chemical state of the surface of the sweet potato fiber can be effectively changed, and fusion with other raw materials is facilitated; the raw materials cooperate with one another effectively, the obtained plastic bag master batch has the photosensitivity and biodegradation characteristics, the prepared plastic bag has good stretching strength is good, the anti-tear property is good,the load-bearing force is large, the plastic bag can be repeatedly used, the degradation speed under a light condition is high, and the plastic bag can be applied and popularized.

The invention provides a preparation method of photo-induced repair microcapsules. The preparation method includes the steps that 1, a coumarin compound and sodium dodecyl sulfate are stirred at the temperature of 40-55 DEG C (water bath), water is dropwise added, and capsule core material emulsion is obtained after emulsion is carried out for 20-40 minutes; 2, urea and formalin are mixed, the PH value is adjusted to range from 8 to 9, the mixture reacts for 1-2 h at the temperature of 60-70 DEG C, and then a capsule wall prepolymer material solution is obtained; 3, under stirring, the capsule wall prepolymer material solution in the step2 is dropwise added into the capsule core material emulsion in the step1, the PH value is adjusted to be neutral, and a solution containing the microcapsules is obtained after curing. The wrapping process is simple and safe without a catalyst, the cost is low, and a capsule core material of the coumarin compound can generate a cross-linking reaction under light triggering inducing to repair microfractures; a capsule wall material is urea-formaldehyde copolycondensation resin and is environmentally friendly.

Provided are a photosensitive resin, process for preparing same and use thereof. The photosensitive resin comprises the compound represented by formula (I), wherein R is represented by formula (II) or (III); and R2 and R3 are independently H, halogen, C1-C4 alkyl, N,N-dimethylamino, N,N-diethylamino, cyclohexyl, methoxyl or ethoxy; x+y=100, x is an integer of 0-99, and y is an integer of 0-100. The photosensitive resin has photosensitivity as well as good film-forming property.

The invention discloses a degradable environmental protection garbage bag, which is characterized in that it is made of the following raw materials in parts by weight: 40-50 parts of polycarboxy-terminated polylactic acid hydrogenated benzoin ester, 35-45 parts of polyurethane-based polyester urea resin, 1-3 parts of filler, 0.2-0.5 parts of coupling agent, 0.5-1.5 parts of compatibilizer, 0.3-1 part of heat stabilizer, 3-5 parts of hydroxyl-terminated hyperbranched polyester. The invention also provides a manufacturing method of the degradable environmental protection garbage bag. The degradable environmental protection garbage bag disclosed by the invention has good mechanical properties, good performance stability, strong durability, good degradable performance after being discarded, high degradation efficiency, and excellent toughness and waterproof performance.

The invention discloses light sensitive resin, positive photoresist and an application, and belongs to the technical field of the photoresist. The light sensitive resin has the chemical structural formulas which are as shown in the specification, wherein a, b and c are molar fractions of corresponding monomers; b is greater than 0.1 and less than 0.5; c is greater than 0 and less than 0.15; a+b+cis equal to 1; R<1>, R<2>, R<3> and R<4> are all hydrogen, methyl or ethyl; R<6>, R<7> and R<8> are all hydrogen or methyl; R<9> is a formula as shown in the specification or a formula as shown in thespecification; and R<5> is nitrile group, phenyl, naphthyl, or a mono-substituted phenyl, di-substituted phenyl or tri-substituted phenyl comprising methyl, ethyl, nitrile group, methoxyl, oxethyl oracetoxyl, or a mono-substituted naphthyl, di-substituted naphthyl or tri-substituted naphthyl comprising methyl, ethyl, nitrile group, methoxyl, oxethyl or acetoxyl, or 9-carbazolyl, 1-indolyl, 1-pyrrolyl, or N-pyrrolidone alkyl. The light sensitive rein can be used as the photoresist and has high heat resistance stability.