54results about How to "Increase wear resistance and scratch resistance" patented technology

The subject invention relates to a scratch-resistant optical film, which comprises:

• • (a) a transparent substrate having a first surface and a second surface;
  • (b) a diffusion layer on the first surface of the substrate, which has a convex-concave structure and is comprised of a first hard coat layer comprising organic particles;
  • (c) a scratch-resistant layer on the second surface of the substrate, which is comprised of a second hard coat layer;

wherein the organic particles in the first hard coat layer are formed from a polyacrylate resin which comprises at least one multi-functional acrylate monomer as polymerization units, said multi-functional acrylate monomer being in an amount from 30 to 70 wt % based on the total weight of the monomer used, and wherein the organic particles have a single mean particle size and have a particle size distribution in the range within about ±5% of the mean particle size.

The invention relates to the field of high polymer materials and particularly relates to a highly-abrasion-resistant anti-scratching modified PC (polycarbonate) material and a preparation method thereof. The high-abrasion-resistant anti-scratching modified PC material comprises the following raw materials in parts by weight: 65-90 parts of PC, 10-35 parts of abrasion-resistant anti-scratching auxiliary agent, 0.5-1.5 parts of coupling agent, 1-10 parts of toughening agent, 0.1-1 part of antioxidant and 0.1-1 part of lubricating agent. According to the invention, PC is used as a substrate material, and composite systems such as the abrasion-resistant anti-scratching auxiliary agent, the lubricating agent, other auxiliary agents and the like are added, so that the abrasion-resistant anti-scratching property of the material is improved; the abrasion-resistant anti-scratching modified PC material is prepared by adopting high-temperature smelting, mixing and extruding modes in a twin-screw extruder, thus the hardness and abrasion-resistant anti-scratching effect of PC are improved; and modified PC has the advantages of high rigidity, high toughness, high flowability, high heat resistance, bright surface and the like.

The invention provides a scratch resistant precoating film. The scratch resistant precoating film sequentially comprises a scratch resistant substrate layer, a color layer, a hot melt adhesive layer and a treatment layer from outside to inside, and the scratch resistant substrate layer is formed through coating the upper surface of a polymer film with a modified aqueous scratch-resistant coating liquid in an online coating mode. The aqueous scratch-resistant coating layer is coated in an online coating mode, so the polymer film functional treatment technology is simplified, energy is saved, and the product yield is improved.

The invention provides a high-adhesion scratch-resistant wear-resistant polyurethane transparent coating material, and relates to the technical field of coating materials. In the transparent coating material, the content of polyurethane soft segments ranges from 35% to 45%, and the polyurethane coating material is a two-component coating material and comprises a coating material agent A and a coating material agent B, wherein the coating material agent A comprises polyol, a chain extender, a catalyst, an adhesion promoter, a solvent, a leveling agent, a wetting agent and a sun-screening agent,and the coating material agent B is aliphatic diisocyanate. According to the invention, the polyurethane paint film has excellent mechanical properties and good resilience, and can significantly enhance the wear resistance and the scratch resistance of the polyurethane paint film, and after the paint film is scratched, scratches can be automatically repaired as before in a short time, so that theuse effect and protection effect of the product are improved, and good scratch resistance and wear resistance of the product are realized.

The invention relates to the technical field of road traffic, and particularly discloses a reversible thermochromic pavement coating and a preparation method thereof. The reversible thermochromic pavement coating comprises, by mass, 95-100 parts of a water-soluble acrylic resin emulsion, 110-120 parts of a silicone resin emulsion, 3-5 parts of an antifoaming agent, 120-135 parts of bentonite, 75-80 parts of a thermochromic powder and 220-250 parts of deionized water. The reversible thermochromic pavement coating can alert the temperature.

The invention discloses an outer shell, which is characterized by comprising a shell body, a first polymer, a second polymer and a gold foil layer, wherein the shell body comprises a first surface and a second surface arranged opposite to the first surface; the first polymer is located on the first surface of the shell body, and one side, away from the shell body, of the first polymer is provided with a graphic structure or a textured structure, thereby forming a first structural layer; the second polymer is formed on the side, away from the shell body, of the first polymer; and the gold foil layer is positioned between the first polymer and the second polymer. According to the outer shell and the preparation method thereof, the surface of a product produces different texture effects, the stereo feeling and layering feeling are strong, the surface effect is rich and beautiful, the glossiness and flatness of the product surface are good, and the service life of the product is long.

The invention relates to a method for processing suede microfiber synthetic leather with high scratch resistance and high resistance. The method comprises the following steps: adding single-walled carbon nanotubes or multi-walled carbon nanotubes to nylon 6 (66) and polyethylene spinning solution, performing a solution blending process to prepare carbon nanotube/nylon 6 (66)/low density polyethylene composite system ultrafine fibers, coating the surface layer of an ultrafine fiber nonwoven fabric with a high-solid suede resin coating layer by a dry coating process, carrying out solvent volatilization to form dense and uniform resin cells in the surface layer of the nonwoven fabric, and performing impregnation, reduction and after-finishing processes to finally form the compact and uniformsuede ultrafine fiber synthetic leather with a low production cost and high physical properties.

The invention relates to an insulation material of an electric wire or an electric cable. A halogen-free, anti-scratch, anti-abrasion and fireproof electric wire insulation material is prepared from the following components in percentage by mass: 15 to 25 percent of hydrogenated SEBS (Styrene-Ethylene-Butadiene-Styrene Block Copolymer), 5 to 15 percent of mineral oil, 5 to 15 percent of polypropylene, 5 to 15 percent of metallocene polyethylene, 5 to 10 percent of EPDM (Ethylene-Propylene-Diene Monomer) rubber, 15 to 25 percent of polyphenyl ether, 5 to 15 percent of diethyl aluminum phosphinate, 5 to 15 percent of melamine cyanurate, 1.5 to 2.0 percent of an anti-scratch agent, 0.1 to 0.3 percent of an anti-aging agent and 0.5 to 1.5 percent of a lubricating agent. According to the halogen-free, anti-scratch, anti-abrasion and fireproof electric wire insulation material disclosed by the invention, ceramic microbeads or grafted maleic anhydride is added as the anti-scratch agent, so that the scratch resistance and the abrasion resistance of the halogen-free, anti-scratch, anti-abrasion and fireproof electric wire insulation material are remarkably increased.

An implant comprises a metal body having a ceramic coating comprising monoclinic and orthorhombic phases of zirconium oxide ZrO2 and at least one multi-metal phosphate from the group comprising l-IV metal phosphates. A method of forming an implant is provided. A method of applying a ceramic coating to a metal body comprises the step of electrochemical oxidation of at least a portion of the surface of a metal body in aqueous electrolyte; in which the electrolyte contains at least two elements from a group consisting of zirconium, titanium, magnesium, phosphorus, calcium, fluoride, potassium, sodium, strontium, sulphur, argentum, zinc, copper, silicon, gallium; in which electrochemical oxidation is conducted in a plasma discharge (PEO) mode for at least one interval of time, and non-discharge modes for at least two intervals of time.

This invention relates to the field of inks, and discloses an overprint varnish-free high wear resistance aluminum foil lined paper water-based ink. The overprint varnish-free high wear resistance aluminum foil lined paper water-based ink comprises 20-25 wt% of an aqueous acrylic film-forming emulsion or an aqueous styrene/acrylic emulsion or a polyurethane modified acrylic emulsion, 20-35 wt% ofan aqueous acrylic non-film forming emulsion, 2-25 wt% of an aqueous acrylic solution, 0.2-2 wt% of a wetting agent, 0.1-0.5 wt% of a defoamer, 0.4-0.6 wt% of a pH adjuster, 10-25 wt% of a color paste, 4-10 wt% of a wax paste, 4-10 wt% of a wear-resistant slurry, 5-15 wt% of water and 0.1-2 wt% of a film forming aid, wherein the wear-resistant slurry comprises 20-30 wt% of an aqueous acrylic solution, 20-25 wt% of water, 5-10 wt% of a water-modified modified polyethylene wax micro-powder, 1-2 wt% of an aqueous dispersion aid, 8-9 wt% of a cosolvent, 20-25 wt% of ultrafine kaolin and 10-15 wt%of ultrafine calcium carbonate. The ink has the adhesion of prime coating, also has the heatproof, waterproof, anti-slip, wear-resistant and scratch-resistant properties of a varnish, is convenient touse, and can simplify aluminum foil pre-coating, monochrome printing and three-time overprint varnish printing into one-time inking printing, so two printing processes are saved, and energy saving and environmental protection are achieved.

A photographic imaging element is disclosed comprising a support having on a front side thereof a silver halide imaging layer and an outermost protective overcoat layer comprising a film-forming binder, and on the backside thereof an outermost protective backcoat layer comprising a film-forming binder; the protective overcoat and backcoat layers each comprising a lubricant present in an amount of at least 5 mg/m² and permanent matting agent having a T_g of at least 40° C. and an average particle size of from about 0.5 to about 3 micrometers in an amount of at least 1 mg/m²; and at least one of the protective overcoat layer or the protective backcoat layer further comprising crosslinked elastomeric polymer matte particles, wherein the crosslinked elastomeric polymer matte particles have a T_g of 20° C. or less, an average particle size of at least 90% of or greater than that of the permanent matting agent particles having a T_g of at least 40° C. in the protective layer in which the crosslinked elastomeric matte is included, and are present in the protective overcoat layer or protective backcoat layer in an amount which is (i) at least 1 mg/m² and (ii) less than the total level of permanent matting agent particles having a T_g of at least 40° C. in the protective overcoat and backcoat layers combined. Imaging elements comprising highly lubricated protective outermost layers in accordance with the invention advantageously provide increased scratch and wear resistance, while the presence of relatively low T_g crosslinked elastomeric matte particles in combination with higher T_g permanent matte particles has been found to increase the coefficient of friction of the layer in which they are included to provide good manufacturability of the imaging element while also maintaining wear and other desired film performance properties.

A thermoplastic elastomer composition for an operating member, comprising high-crystalline polypropylene having crystallinity of 95% or more, low-crystalline polypropylene having crystallinity of less than 95%, poly(1-butene), partial-cross-linked olefin family rubber having SP value of 7.5 or more and 8.5 or less, and non-cross-linked olefin family rubber having SP value of 7.5 or more and 8.5 or less. Accordingly, there can be provided the thermoplastic elastomer composition for an operating member and the molded member obtained by molding the same, which can provide the better tactic quality and improve the wear resistance and scratch resistance.