35results about How to "Reduce white point" patented technology

A polyamide resin composition comprising: a polyamide (X) having a diamine constituent unit which mainly comprises a metaxylylenediamine unit and a dicarboxylate constituent unit which mainly comprises an adipate constituent unit; and specific amounts of a phosphate-type antioxidant and alkaline component. The polyamide (X) is characterized by a specific terminal group concentration balance and a specific amino group reaction rate. By using the polyamide resin composition, both of the prevention of yellow discoloration and the reduction of gelatinization or fisheye formation can be achieved.

A transparent and conductive laminate that is substantially decreased in reactive defects, and a display filter, a heat-ray reflecting film and an electromagnetic wave-shielding film comprising the laminate are provided. The laminate includes a transparent substrate, a transparent conductive thin-film layer containing silver, and a protective layer containing a binder material and inorganic fine particles, wherein the transparent conductive thin-film layer is in contact with the protective layer. The generation of reflective defects can be outstandingly reduced. Therefore, a laminate superior in electromagnetic wave-shielding ability, heat-ray reflecting ability and visibility for a long period of time and products comprising the laminate can be obtained.

A glass plate manufacturing method for manufacturing a glass plate for display substrates, especially a glass plate for flat panel display substrates, or a glass plate for photomasks, free of bubbles which are a problem when the glass plate is used without causing any local bulge on the surface of the glass plate and any local residual stress and birefringence within the glass plate when a laser beam is projected to the glass plate. The method is characterized in that bubbles are reduced or extinguished by applying to the bubbles in a glass plate (or a glass ribbon at its glass plate manufacturing process) a laser beam with a wavelength to which the absorptance of the glass plate (or the glass ribbon) is 30% or more at a temperature at which the viscosity of the glass lies in the range from 107 to 1014.5 dPa s.

The present invention provides a polyethylene resin laminate film, more specifically a polyethylene resin film having a good balance of heat-sealing property and stiffness of the film, having less fish-eyes, having little fisheyes and also having less unevenness in thickness. [MEANS FOR SOLVING PROBLEMS] A polyethylene resin laminate film having at least a laminate layer (A) and a seal layer (B),the laminate layer (A) comprising at least two polyethylene resins each having a density of 900 to 970 kg / m<3> and a molecular weight distribution (Mw / Mn) of 2.0 to 3.5, the densities of the at leasttwo polyethylene resins being different from each other, the average density of the laminate layer being 920 to 945 kg / m<3>, the seal layer (B) comprising a polyethylene resin having a density of 900to 930 kg / m<3>, and the average density of the laminate layer (A) being larger than that of the seal layer (B).

A brightness enhancement film and its manufacturing method, a backlight module and a display device, wherein the brightness enhancement film includes a base material, a soft rubber layer and a prism structure layer. The manufacturing method includes coating a layer of soft resin on the surface of the base material; curing the soft resin to form a soft glue layer; coating a layer of hard resin on the surface of the soft glue layer; The mold presses the hard resin to form a structure with several preset prism shapes; solidifies the several structures with preset prism shapes to form a plurality of first prisms, and the plurality of first prisms form a prism structure layer. A backlight module, including any one of the above prism structures. A display device, comprising any one of the above backlight modules. The above-mentioned brightness enhancement film and its manufacturing method, backlight module and display device reduce the damage of the brightness enhancement film, reduce the occurrence of white spots or white spots when the backlight module is used, and reduce the occurrence probability of the display effect being affected.

Disclosed is a polypropylene resin film for surface protection, which has excellent thermal dimensional stability, planarity, impact resistance and bonding workability, while being reduced in fish eyes. The polypropylene resin film for surface protection is free from wrinkles or sags when the film is rolled into a roll. The polypropylene resin film is suitable, for example, for a base film of a protective film. Also disclosed is a protective film which is obtained by providing the polypropylene resin film for surface protection with an adhesive layer. Specifically disclosed is a polypropylene resin film for surface protection, which is substantially composed of a polypropylene resin and is characterized by having a xylene-soluble content at 20°C of more than 9% but less than 15%, a crystal nucleator content of not more than 100 ppm, a film thickness variation in the width direction of not less than 1% but not more than 10%, a coefficient of kinetic friction of not more than 1.0, and a tensile modulus of elasticity of not less than 500 MPa but not more than 900 MPa.

The invention provides a gastrodin injection and a preparation process thereof, and the gastrodin injection can be used for reducing white spots and white blocks occurring during storage, improving the clarity, guaranteeing the safety of medication and meanwhile guaranteeing better stability. According to the gastrodin injection and the preparation process thereof, lactose, procaine hydrochloride, sodium hyposulfite, niacinamide and glycine are used as auxiliary materials; the white spots and the white blocks occurring during storage can be reduced, the clarity can be improved and the safety of medication can be guaranteed after proportioning; but meanwhile, we found that the gastrodine content is obviously reduced after the gastrodin injection is stored for a period of time after the auxiliary materials are added; after the addition sequence of the auxiliary material is adjusted by using the special technology, the content of the gastrodine in the gastrodin injection is still stable after long-time storage, so that the validity of the clinical medication is guaranteed.

The invention discloses exothermic welding flux. The exothermic welding flux comprises iron powder, iron oxide and an alloy additive. The alloy additive comprises C, Si, Mn, Cr, Ni, Mo, V and aluminum powder. The exothermic welding flux comprises, by mass percent, 0.10%-0.25% of C, 1.0%-1.6% of Si, 1.8%-3% of Mn, 0.5%-1.0% of Cr, 0.3%-1.2% of Ni, 0.2%-0.6% of Mo, 0.03%-0.1% of V, 17.8%-19.2% of aluminum powder, 60%-67% of iron oxide and the balance iron powder. The invention further provides application of the exothermic welding flux to steel rail welding.

The invention relates to a light extinction silk and satin film and a protection process thereof. The light extinction silk and satin film comprises a layer A, a layer B, a layer C and a layer D which are sequentially compounded. The layer A is prepared from 44 wt% to 46 wt% of homo-polypropylene, 44 wt% to 46 wt% of high density polyethylene and 9 wt% to 11 wt% of block co-polypropylene resin, and the layer B and the layer C are both prepared from 49 wt% to 51 wt% of homo-polypropylene, 44 wt% to 46 wt% of high density polyethylene, 1 wt% to 2 wt% of spherical anti-block agent and 3 wt% to 4 wt% of nanoscale aid, and the layer D is prepared from 85 wt% to 90 wt% of homo-polypropylene and 10 wt% to 15 wt% of polytolefin elastomers. The thickness ratio of the layer A to the layer B to the layer C to the layer D is 60:15:15:10. During production, the main materials of all the layers are added into an extruder, after the main materials are melted, the auxiliary materials of all the layers are added into the extruder for fusion, then melt is extruded to a curtain coating roll, finally, all the layers are compounded into the light extinction silk and satin film, and the both sides of the light extinction silk and satin film are subjected to corona treatment. The light extinction silk and satin film is outstanding in moisture stopping performance, excellent in cold resisting performance, good in heat resisting performance, good in hand feeling and low in gloss, and gives people a noble visual feeling and the effect close to silks and satins.

The invention provides a ketorolac tromethamine injection that reduces irritation and does not contain organic solvents. By using the tromethamine-acidulant buffer system as a protective agent, the adverse effects of ethanol and potassium dihydrogen phosphate on the packaging material and the serious irritation at the injection site in the prior art are avoided. The production process of the invention is simple and controllable, the physical and chemical properties of the medicinal liquid are relatively stable, and the drug safety and compliance of patients can be improved.

The invention relates to the technical field related to polyurethane adhesives. More specifically, the invention provides a solvent-free polyurethane adhesive for semi-high temperature resistant and high-temperature cooking flexible packaging. The preparation raw materials include A component and B component, A component Including the first component polyester polyol, the first component polyether polyol and isocyanate; B component includes the second component polyester polyol and the second component polyether polyol; and the polyol of the first component The number average molecular weight of the ester polyol is greater than that of the polyester polyol of the second component, and the weight ratio of the A component to the B component is 1: (0.3-0.9). The polyurethane adhesive provided by the invention avoids the peeling strength reduction or delamination of the composite material after high-temperature cooking, and can also effectively reduce the presence of bubbles or white spots in the composite structure obtained. During the preparation of aluminum foil composite materials, the problem of glue leakage will occur.

The invention relates to a method for transforming and recycling old cotton. The method comprises the following steps of: after soaking the old cotton in an acid soak solution prepared from acid complex enzyme, a surfactant and inorganic acid, rinsing the old cotton; then soaking the old cotton in an alkaline soak solution prepared from alkaline complex enzyme, the surfactant and caustic soda; and finally, carrying out rinsing and cooking, cleaning, chlorination blenching, dechlorination, acid washing and drying. Compared with a chemical degumming treatment method, a biological degumming method adopted by the invention has the advantage of saving water by 30 percent, so that the consumption of the water resources is reduced; the acid content and the alkali content of discharged waste water are greatly reduced, so that the environment pollution is low and the treatment cost is reduced at the same time; compared with cotton processed with the chemical degumming method, the cotton processed with the method disclosed by the invention has the advantages of good fibers, strong elasticity, high fiber index, few impurities, few white points, good softness and color, high whiteness and the like.

The invention provides a CMOS-type image sensor and a manufacturing method therefor. The CMOS-type image sensor comprises a second oxidation layer and a substrate located at one side of the oxidationlayer. A first trench which is recessed downwards to the second oxidation layer is formed at one side of the substrate. The substrate and the first trench are sequentially provided with an HIK layer and a first oxidation layer from the top to the bottom. A wiring groove which passes through the first oxidation layer, a high dielectric film layer and a part of the second oxidation layer is formed on the first trench which is provided with the high dielectric film layer and the first oxidation layer. The first oxidation layer and the interior of the wiring groove are provided with first metal layers. The first metal layer on of the wiring groove is provided with an aluminum wiring board, and the aluminum wiring board is electrically connected with the high dielectric film layer which is exposed by the side wall of the wiring groove through the first metal layer in the wiring groove, so as to provide a voltage for the high dielectric film layer when a voltage is applied to the aluminum wiring board, to generate a bigger potential difference between the high dielectric film layer and the substrate, to enable the substrate to have the stronger capability of electron constraint, and to reduce the white points and dark currents.

The invention provides a voltage control method of an electrochromic device. Both the coloring process and the fading process are driven by a pulse voltage, and the pulse voltage is applied instead of a continuous voltage to maintain the coloring and fading state of the electrochromic device, which can effectively use the electric current. The memory effect of the electrochromic device itself, in the same working time, the device driven by the pulse voltage, the film layer withstand voltage time will be much shorter than the device driven by the continuous voltage, and the life of the electrochromic device is the same as that of the film layer. The time of the voltage is related, so the pulse driving can effectively prolong the life of the device.

The invention relates to a method for removing solder resist film and a solution for removing solder resist film, which is carried out according to the following steps: step 1, prepare defective boards; step 2, put defective boards into racks; Check the temperature of the solder resist film removal solution; step 4, put the bad board and the rack into the potion tank, and soak for T1 time continuously; step 5, put the bad board and the rack into the first washing pool equipped with an ultrasonic device, and wash it with water. Soak for T2 time; step 6, put the bad board and the insert into the second washing pool, wash and soak for T3 time; step 7, transfer the bad board to the first drying process, and dry it with strong hot air; step 8, the bad board The board enters the second drying process and is dried with hot air; step 9, the defective board enters the cold air cooling process for cooling treatment; step 10, the board is collected. The invention shortens the backwashing time by 40 minutes, improves the efficiency, reduces the backwashing temperature, saves energy, improves the quality, and cleans the inside of the 0.2mm via hole.