9results about How to "Improve slipperiness" patented technology

The present application provides a method for producing molded coke by utilizing coke powder as a resource, comprising the following steps: 1) mixing coke powder with water to obtain wet coke powder. 2) mixing wet coke powder with a binder to obtain a mixing and stirring step of a batch material. 3) transferring the batch material to a buffer bin, and outputting the batch material quantitatively to a briquette machine through the buffer bin. 4) pressurizing the batch material through a briquette machine to obtain a cold pressing step of wet molded coke. 5) drying the wet molded coke through a dryer to obtain a drying step of molded coke. The drying step comprises: desulfurizing and denitrifying the flue gas of the coke oven to obtain flue gas to be dried, passing the flue gas to be dried into a dryer, drying the wet molded coke to obtain dried flue gas and molded coke, and removing dust from the dried flue gas and discharging it. The present application realizes the production of molded coke by utilizing coke powder as a resource, and improves the mechanical strength of the molded coke.

This application relates to an optical film and its preparation method, belonging to the field of optical film technology. The optical film comprises: a transparent base film, a high-refractive-index coating formed on the transparent base film, and a low-refractive-index coating formed on the high-refractive-index coating; wherein the low-refractive-index coating contains hollow nanoparticles and fluorosilane-modified secondary nanoparticles, the hollow nanoparticles being chemically bonded to the bulk of the low-refractive-index coating, the particle size of the hollow nanoparticles being smaller than the thickness of the low-refractive-index coating, and the particle size of the fluorosilane-modified secondary nanoparticles being larger than the thickness of the low-refractive-index coating, with a difference not exceeding 50 nm. This optical film exhibits good anti-reflection effect, excellent friction resistance, a low coefficient of dynamic friction, and good slip properties.

It is to provide a biaxially oriented polyester film, which exhibits excellent transparency, is easily subjected to secondary processing such as coating and vapor deposition, exhibits excellent properties after secondary processing, is an environmentally friendly polyester film produced using a carbon-neutral polyester resin obtained using biomass-derived ethylene glycol, and has little variations in physical properties in the machine direction when being wound into a long film roll having a long winding length as well, and a production method therefor. A biaxially oriented polyester film formed of a polyester resin composition containing particles and 50% by weight or more of a polyester resin composed of biomass-derived ethylene glycol and fossil fuel-derived dicarboxylic acid units, wherein at least one surface of the biaxially oriented polyester film meets all of the following requirements (1) to (3): (1) a number of fine protrusions each having a height of less than 3 nm per area of 4 × 10-12 m2 is 250 or more and 600 or less; (2) a number of fine protrusions each having a height of 3 nm or more per area of 4 × 10-12 m2 is 300 or more and 600 or less; and (3) an arithmetic mean height Sa is 0.010 um or more and 0.025 um or less.

The utility model belongs to the technical field of printing paper, and particularly relates to anti-adhesion printing paper for digital printing, which comprises a basic paper layer, a water absorption auxiliary layer arranged at the top of the basic paper layer, an antistatic layer arranged inside the basic paper layer, and an anti-adhesion functional layer arranged at the top of the water absorption auxiliary layer. The bottom of the base paper layer is provided with the blocking layer, the edge of the base paper layer is provided with a tearing line and a positioning hole, the interior of the water absorption auxiliary layer is communicated with a pore structure so that water in digital printing ink can be rapidly absorbed, ink fixation can be accelerated, and the adhesion risk caused by water residue can be reduced; the anti-adhesion functional layer forms a continuous film layer, stable adhesion of anti-adhesion particles is ensured, the blocking layer prevents ink on the front side from permeating to the back side, the blocking layer is matched with the anti-adhesion functional layer on the front side to achieve the double-sided anti-adhesion effect, meanwhile, when the paper is torn, the paper is broken along a hole line, and the edge is neat and free of burrs; and accurate alignment during paper conveying is ensured.

The present invention relates to a digital transfer film coating and a preparation method and application thereof, belonging to the technical field of digital inkjet printing coatings. The digital transfer film coating comprises the following components in parts by weight: 30 to 70 parts of wax, 1 to 3 parts of thickener, 3 to 30 parts of adhesive, 10 to 25 parts of color fixative, 1 to 8 parts of leveling agent, 0.1 to 2 parts of disintegrant and 5 to 30 parts of filler. The digital transfer film coating provided by the present invention is suitable for preparing digital transfer film, and has good coating effect on the substrate, is not sticky, does not crack, and does not stick to powder. After hot stamping, the coating formed by coating can easily peel off the image and the substrate by hot or cold tearing, meeting the needs of digital printing.

It is to provide a polyester film, which exhibits excellent transparency, is easily subjected to secondary processing such as coating and vapor deposition, exhibits excellent properties after secondary processing, and is produced using a polyester resin obtained without using an antimony compound as a polymerization catalyst, thus does not contain a heavy metal, diminishes the environmental load when discarded and the like, and is excellent in sanitary properties and printability; and a production method therefor, and it is to provide a biaxially oriented polyester film roll having little variations in physical properties in the machine direction when being a long film roll having a long winding length as well; and a production method therefor. A biaxially oriented polyester film formed of a polyester resin composition containing particles, of which at least one surface meets all of the following requirements (1) to (4). (1) a number of fine protrusions each having a height of less than 3 nm per area of 4 × 10-12 m2 is 250 or more and 600 or less; (2) a number of fine protrusions each having a height of 3 nm or more per area of 4 × 10-12 m2 is 300 or more and 600 or less; and (3) an arithmetic mean height Sa is 0.010 um or more and 0.025 um or less; and (4) an antimony content in the film is 10 ppm or less.

The invention provides an antireflection film with excellent wear resistance and ultralow reflectivity and a manufacturing method thereof.The antireflection film is composed of a base material layer, a hardened coating, a high-refractive-index coating and a low-refractive-index coating, the hardened coating is made of acrylic ultraviolet curing resin containing nanoscale silicon dioxide or polymethyl methacrylate particles, and the low-refractive-index coating is made of acrylic ultraviolet curing resin containing nanoscale silicon dioxide or polymethyl methacrylate particles; therefore, hardening and wear-resistant protection are provided. The solid nanoparticles are subjected to surface modification through vinyl silsesquioxane, so that the dispersity of the solid nanoparticles is improved, and the hardness, wear resistance and smoothness of the coating are enhanced by utilizing the cross-linking reaction of vinyl functional groups and acrylic resin. According to the manufacturing method, the dry coating technology and the wet coating technology are combined, the technological process is simplified, the ultralow reflectivity can be achieved only through one layer of high-refractive-index coating and one layer of low-refractive-index coating, and the reflectivity is stable at different visual angles. According to the technical scheme, the production cost is reduced, and the production efficiency and the product yield are improved.

The invention relates to the technical field of elastomers on the surfaces of wires, and discloses a high-weather-resistance elastomer on the surface of a wire, which is prepared from the following components in parts by weight: 10-30 parts of polyethylene and propylene; 25 to 50 parts of a hydrogenated styrene-butadiene-styrene block copolymer; 10 to 30 parts of white mineral oil; 5 to 15 parts of ethylene-acrylic acid olefin copolymer; 0.1 to 5 parts of a copper-resistant harm-resistant agent; and 2-5 parts of polymer silicone master batch. According to the invention, the adhesion degree and the fineness of the surface of a coating material are greatly improved, and the tensile strength and the abrasion resistance are also greatly improved.

The invention relates to the field of electronic product protective films, and discloses a low-dynamic-friction-coefficient and high-water-drop-angle protective film and a preparation method thereof. The protective film with the low dynamic friction coefficient and the high water drop angle comprises a low-precipitation protective layer, a low-precipitation adhesive layer, a hardened layer, a post-curing layer and an adhesive layer which are sequentially attached from top to bottom, the low-precipitation glue layer is prepared by curing low-precipitation glue prepared from the following raw materials in parts by weight: 90-100 parts of organic silica gel, 140-190 parts of organic silicon resin, 2-4 parts of nano silica sol, 3-5 parts of a catalyst, 2-3 parts of a cross-linking agent and 300-400 parts of a solvent. Compared with the prior art, the low-precipitation adhesive layer has good low-precipitation performance and good protection stability on the hardened layer, the surface performance of the hardened layer of the prepared protective film is not affected, and the prepared protective film with the low dynamic friction coefficient and the high water drop angle has good scraping resistance, pollution resistance and smoothness in the application process.