42results about How to "Adjust surface tension" patented technology

The invention provides waterborne digital ink-jet printing sublimation ink and a preparation method thereof. The ink comprises the following components in percentage by mass: 1 to 10 percent of disperse dye, 2 to 15 percent of dispersing agent, 10 to 60 percent of deionized water, 10 to 50 percent of water soluble organic solvent, 0.1 to 5 percent of surface active agent, 0.05 to 0.5 percent of germicide, and 0.05 to 0.5 percent of defoaming agent. The preparation method comprises the following steps of: mixing 1 to 20 percent of dispersing agent, 10 to 40 percent of water soluble organic solvent, 0.1 to 2 percent of germicide, 0.1 to 2 percent of defoaming agent, and 30 to 50 percent of deionized water, adding 1 to 20 percent of disperse dye while stirring, and grinding the mixed solution to obtain color paste; uniformly mixing 15 to 50 percent of color paste, 10 to 30 percent of water soluble organic solvent, 0.1 to 5 percent of surface active agent and 20 to 50 percent of deionizedwater and filtering the mixed solution to obtain the waterborne digital ink-jet printing sublimation ink. When the waterborne digital ink-jet printing sublimation ink is used in a large-sized ink-jetprinter using waterborne ink, the good printing smoothness and the water retention of a printing head are achieved, and the preparation process is simple.

The invention discloses a preparation method for an alumina-based foam material. The method comprises the following steps: firstly, plating a layer of metal on the surface of carbon fiber, and adding the carbon fiber with the metal coating into aluminum or aluminum alloy fusant; then adding titanium hydride, and stirring evenly; and taking the carbon fiber out after foaming, and cooling to obtainthe alumina-based foam material with enhanced fiber. In the invention, the carbon fiber is introduced into the preparation of the foamed aluminum material, thereby realizing that the stability of bubbles and material performance are improved; and compared with the prior art, the compressive strength of the foamed aluminum material prepared by the invention is higher than 6Mpa, the impact toughness is improved by about 30%, and the energy absorption capability is improved by more than 50%, thus the compression strength, the energy absorbing and damping performances of the alumina-based foam material with short enhanced carbon fiber are remarkably improved, and the pore wall toughness of the material is better.

The invention provides a solvent type digital ink-jet printing dye sublimation ink and a preparation method thereof. The ink comprises the following components in percentage by mass: 1 to 10 percent of disperse dye, 0.5 to 7 percent of resin and 20 to 95 percent of organic solvent. The preparation method comprises the following steps of: uniformly mixing 0.5 to 7 percent of resin and 20 to 95 percent of organic solvent at a normal temperature; adding 1 to 10 percent of disperse dye into the mixture; dissolving the disperse dye with a high-shear emulsifying machine at a rate of between 400 and1,000 rpm for 0.5 to 5h; and filtering the mixture with a filter of which the aperture is 0.2 to 2 mu m to obtain the solvent type digital ink-jet printing thermal-sublimation ink. The ink is not influenced by the temperature change of a printing environment, and has the advantages of good injection stability and storage stability, simple preparation process and low energy consumption.

Embodiments of the present invention provide an array substrate, a preparation method, and a display device, which relate to the field of display technology and can improve the uniformity of a light-emitting functional layer. The array substrate includes a pixel definition layer arranged on the base substrate to define the sub-pixel light-emitting area, the pixel-definition layer is hollowed out at the position of the sub-pixel light-emitting area, and a light-emitting functional layer is arranged in the hollow; the pixel definition layer is located at the position of the sub-pixel light-emitting area Cutout sides feature raised features.

The present invention relates to a nano pigment spray-printing ink for computer ink jet printer and colour spray plotter. Said invention adopts a high-molecular dispersing agent to modify pigment surface so as to make the pigment be stably dispersed in water medium, and adds several water-soluble cosolvents to prepare a set of colour inks, including red, yellow, blue and black four inks.

The invention relates to a printable functional hard coating film and preparation method thereof, wherein the hard coating film has a structure that a base layer, a release layer and a hard coating layer are stacked in order. The release layer comprises silicone that is obtained by addition reaction between polydimethylsiloxane containing vinyl or hexenyl and hydrogen siloxanes; the hard coating layer comprises polymer resin that has a glass transition temperature of over 30 DEG C. The hard coating layer has a good hardness and print adhesion; the release layer can be peeled off from the hard coating layer easily, therefore, the release layer can be peeled off from the hard coating layer clean after printing or vapor depositing on the surface of the hard coating layer.

The present invention provides a method for preparing egg-membrane by subcritical method, and relates to the technical field of egg-membrane preparation. The invention adopts the subcritical method to prepare the egg membrane, and the decomposition rate within 1 hour is as high as more than 95%; and high-priced enzymes are not needed, and the production cost is reduced. In the method of the present invention, the solution after decomposing the eggshell membrane contains free amino acids and small molecular polypeptides, so that the free amino acids and small molecular polypeptides in the prepared egg membrane protein are high in content, which satisfies the requirements of current cosmetics and health care products for low molecular weight . In the method of the present invention, in the supernatant liquid obtained by subcritical decomposition, the sodium hydroxide is directly spray-dried after neutralization, no desalting step is required, and the method has the advantages of short process, low cost, simple preparation, energy saving and the like, and the obtained eggshell Membrane polypeptide powder can be directly added to cosmetics and food after sterilization.

The present invention discloses a composite foaming agent for urea-formaldehyde resin, a preparing method and an application thereof. The composite foaming agent of the invention is composed of a foaming agent, a foam stabilizer and a dispersing agent. After the composite foaming agent is added into the urea-formaldehyde resin additive, the volume of the urea-formaldehyde resin can be increased for 2-3 times for forming the fine, uniform and long-lasting foamed urea-formaldehyde resin, effectively regulating the surface tension of the glue solution, reducing the conglobation phenomenon of flour, increasing the fluidity of the urea-formaldehyde resin, settling the adverse phenomena of glue bleeding, glue leakage, non-homogeneous adhesive layer, etc. which commonly exist in the prior urea-formaldehyde resin adhesive, so that the urea-formaldehyde resin on the plate blank of the veneer board has excellent homogeneity and the bleeding balancing is kept and the total usage of flour and theurea-formaldehyde resin after adhesive mixing is reduced for 10-30%. Additionally, the composite foaming agent of the invention has the advantages of excellent safety, no adverse effect in the using process and capability for effectively reducing the release amount of the formaldehyde of the artificial board. Furthermore the mechanical properties of the prepared artificial board can equally obtainthe requirement of the national standard.