48results about How to "Good surface protection" patented technology

The present invention provides compositions for treating and/or preventing signs and symptoms associated with dry eye and/or ocular irritation, and methods of use thereof. Such compositions are provided in novel ophthalmic formulations that are comfortable upon instillation in the eye. Methods of manufacture are also provided.

There is described process for producing security papers, in particular banknotes, comprising the step of sealing the surface of the security papers by applying a protective pattern on the surface of the security paper, which sealing comprising printing the security papers by intaglio printing using an intaglio printing plate with engraved areas such that at least 80% of the whole surface of each security paper is covered with embossed intaglio patterns produced by engraved areas of the intaglio printing plate which are inked or with a combination of embossed intaglio patterns and flat intaglio patterns, which flat intaglio patterns are produced by unengraved areas of the intaglio printing plate which are inked after wiping of the intaglio printing plate, at least a part of the embossed intaglio patterns and/or flat intaglio patterns being printed with a transparent or semi-transparent intaglio ink. The transparent or semi-transparent intaglio ink is applied in engraved areas and/or unengraved areas of the intaglio printing plate so as to seal substantially the whole surface of the security papers with a protective pattern composed of intaglio patterns. Also described are intaglio printing presses for implementing the said process and the resulting security papers.

A copolymer in which from 45 to 60% by mass of all monomer units are unsaturated monomers having a specific carbosiloxane dendrimer structure is disclosed, along with a composition, a cosmetic raw material, and a cosmetic containing the copolymer. The copolymer has excellent physical properties, including compatibility with other cosmetic raw materials, e.g. hardly soluble ultraviolet absorbers, and is capable of improving the compounding stability of cosmetics. The copolymer imparts cosmetics with good water resistance, sebum resistance, luster, tactile sensation, and adhesiveness to the hair or skin.

Highly abrasion-resistant tape, preferably for sheathing elongate material such as more particularly leads or cable looms, having a woven fabric backing, characterized in that the woven fabric is composed of a plastics material, the yarns used to form the fabric have a linear density of 280 to 1100 dtex, and each yarn is constructed from at least 90 single filaments.

To provide a spacing sheet interposed between glass substrates, comprising a foamed sheet which is stiff enough in spite of being thin and lightweight and is excellent in surface protecting performance. The spacing sheet for glass substrates comprises a polyolefin resin extrusion-foamed sheet of a thickness of 0.3 to 1.5 mm and an apparent density of 18 to 180 g/L, wherein the foamed sheet contains 5 to 30 pts.wt., per 100 pts.wt. polyolefin resin, polymeric antistatic agent, the base resin of the foamed sheet has melt tension of 3 to 40 cN and a melt mass flow rate of 0.2 to 10 g/10 min, and the foamed sheet has a cell count of 4 to 10/mm in the thickness direction, a cell flatness of 0.1 to 0.6, a centerline average roughness on the surface of 25 [mu]m or lower, and a surface resistivity (after ultrasonic cleaning in ethanol) of 1*10<8>to 1*10<14>([Omega]).

The invention relates to a single-point and double-point switching type BOPET thin film processing device and method, and belongs to the technical field of plastic thin film processing. The single-point and double-point switching type BOPET thin film processing device comprises a pre-heating unit, a stretching unit, a shaping unit, a transverse cutting unit and tension detection units, wherein the stretching unit is used for heating a base film to a stretching temperature and is composed of an air cylinder I, compression rollers I and pre-heating rollers; the temperature range of the pre-heating rollers is 70-140 DEG C; the stretching unit comprises four stretching rollers, a reflection plate and three infrared heaters; the single-point and double-point switching is realized by the matching of the stretching rollers, the reflection plate and the infrared heaters; the transverse cutting unit is arranged under the shaping unit; the tension detection units used for regulating and controlling tension in the stretching process are arranged under the transverse cutting unit. The single-point and double-point switching type BOPET thin film processing device and method are applied to the production of a BOPET thin film and have the advantages of high processing efficiency, complete functions and the like.

The invention discloses a casting method of a cement mortar ball valve body with high wear resistance. The casting method comprises steps as follows: (1), a pouring liquid is prepared and comprises chemical components in percentage by weight as follows: 0.22%-0.26% of C, 0.25%-0.45% of Si, 0.60%-0.80% of Mn, 1.5%-2.5% of Cr, 0.05%-0.10% of Nb, 0.30%-0.50% of Mo, smaller than or equal to 0.03% of P, smaller than or equal to 0.02% of S and the balance of Fe; step (2), a casting-infiltration coating is prepared; (3), valve body pouring is performed; (4), heat treatment and finishing are performed. According to the cement mortar ball valve body obtained with the casting method, the stable casting-infiltration composite layer is formed on the surface; furthermore, the cement mortar ball valve body has the advantages of excellent wear resistance and corrosion resistance, high finished product ratio, stable quality, good appearance quality and usability and long service life and is applicable to conveying of cement mortar.

The present disclosure generally relates to retroreflective sheeting including a topcoat and to methods of making such sheeting. In some embodiments, the retroreflective sheeting includes (1) a first major surface that is a structured surface having a structure imparted by a plurality of prismatic cube corner elements; (2) a second major surface opposite the first major surface, the second major surface being substantially planar and including a polycarbonate; and (3) a topcoat adjacent to at least a portion of the second major surface and the topcoat including a solvent-based composition.

An axle support for a vehicle includes two longitudinal members and at least one cross member interconnecting the two longitudinal members. The at least one cross member is formed as a multi-part tailored blank component and is fixedly welded via its lateral cross member attachment zones arranged opposite in the longitudinal direction of the cross member to the respectively associated longitudinal member. The cross member is coated with a surface coating as a protective layer, in particular with a zinc layer. The lateral cross member attachment zones are each formed by an uncoated, in particular ungalvanized, single-part or multi-part sheet metal component, wherein the cross member midsection adjoining the two lateral cross member attachment zones is formed by a one-part or multi-part sheet metal component, which, when the axle support is installed, has at least one roadway-facing underside that is provided at least in some areas with the surface coating.

This invention relates to a method for preparing an electrochemical cell comprising the sequential steps of preparing a solution of a lithium salt in an non-aqueous solvent containing an additive compound, and maintaining the solution at a temperature in the range of about 20 to about 30° C. for about 5 to 10 days to form an aged electrolyte; assembling an electrochemical cell from an anode, a cathode, and the aged electrolyte; and electrochemically subjecting the electrochemical cell to formation cycling. The additive compound comprises one or more compounds selected from the group consisting of: (R₃SiO)₃B, (R₃SiO)₃XY, (R₃SiO)₃P, (R′O)₃PO, (R₃Si)₃X′, R₃SiOS(O)₂R′; (R₃Si)OC(═O)R′; wherein each R and R′ independently is a hydrocarbyl group; X is P or B; Y is O or S; X is Ti or Al. Electrochemical cells and batteries also are described.

The invention discloses an energy-saving and environment-friendly gunpowder residue cleaning agent. The cleaning agent is prepared from the following components in parts by weight: 4.5-40 parts of anorganic solvent, 5-30 parts of a complexing agent, 7-25 parts of an oxidant, 3-30 parts of a corrosion inhibitor, a proper amount of a pH regulator and 20-80 parts of water, wherein the pH regulator regulates pH to 6.5-14. The energy-saving and environment-friendly gunpowder residue cleaning agent is formed by compounding the organic solvent, the complexing agent, the oxidant, the corrosion inhibitor and water in proportion, the components are mutually synergistic, gunpowder residues can be well removed at 10-40 DEG C, and cleanliness reaches 100%.

The invention relates to the technical field of polymers, in particular to hydroxyl polyether modified siloxane and a preparation method thereof. The invention specifically relates to a polymer as shown in a formula (1), which has good waterproof effect, wear resistance and stain resistance and is suitable for being used in the polymer manufacturing industry.

There is provided a light diffusing member for use in a transmission screen, which has an excellent surface protective effect while maintaining an antireflection effect. The light diffusing member for use in a transmission screen comprises a hard coat layer provided on a surface of a substrate having a single or multilayer structure. The substrate contains fine particles, and the surface gloss of the hard coat layer as measured under conditions of incident angle 60°/reflection angle 60° is 60 to 80 by supposing the surface gloss of a gloss standard plate to be 100.

The invention discloses a casting method of a slurry valve body for papermaking. The casting method comprises steps as follows: (1), a pouring liquid is prepared and comprises chemical components in percentage by weight as follows: 0.22%-0.26% of C, 0.25%-0.45% of Si, 0.60%-0.80% of Mn, 0.30%-0.50% of Al, 0.30%-0.50% of Zn, 0.20%-0.40% of Zr, 0.05%-0.10% of Ga, smaller than or equal to 0.03% of P, smaller than or equal to 0.02% of S and the balance of Fe; step (2), a casting-infiltration coating is prepared; (3), valve body pouring is performed; (4), heat treatment and finishing are performed. According to the slurry valve body obtained with the casting method, the stable casting-infiltration composite layer is formed on the surface; furthermore, the slurry valve body has the advantages of excellent corrosion resistance and lubricating property, high finished product ratio, stable quality, good appearance quality and usability and long service life, and is applicable to conveying of papermaking slurry.

The invention discloses a method and device for eliminating contamination on a surface of an object. The method comprises the steps of emitting free electrons; generating a free electron accelerating electric field to accelerate the emitted free electrons; generating a free electron collision process modulation electric field, controlling part of free electrons to interact with gas molecules in the modulation electric field to generate a collision ionization process, and generating collision ionization free electrons; and controlling the free electrons and the collision ionization free electrons step by step to act on the contaminated surface together. According to the method of the invention, the energy requirement of free electrons penetrating through an interface between a high-vacuum area and a complex atmosphere where the contaminated surface is located is reduced through a field emission process, and effective penetration of low-energy free electrons can be realized through a graded and regional structural design; and the time-varying process and the action sequence of electron energy around the contaminated substance are controlled by constructing accelerating electric fields in different states step by step and adjusting the air pressure.

Traction fluids and a method of using such tractions fluids to increase the interface friction between two surfaces moved relative to one another is provided. The traction fluid may comprise a polysiloxane base oil corresponding to the structural formula:

wherein R and R′ are independently selected, such that R is an alkyl group having between 1-3 carbon atoms; R′ is a cycloalkyl dicycloalkyl, or aryl group having between 5-20 carbon atoms; m is an integer; and n is an integer or 0 with 5<(m+n)<100 and 0.50<m/(m+n)<1.00.

The invention provides a steel and iron material scale EBSD sample preparation method which comprises the following steps: cutting out a piece of steel to be analyzed, and roughly grinding an observation surface of the steel to be analyzed; after rough grinding, sequentially carrying out inlaying, mechanical grinding and polishing, oxide polishing, vibration polishing and cutting on the observation surface, wherein the mechanical grinding and polishing comprises mechanical grinding and mechanical polishing, during mechanical polishing, suspension liquid of 9 microns, suspension liquid of 3 microns and suspension liquid of 1 micron are used respectively, and the polishing time is 9 min, 7 min and 7 min respectively; a suspension liquid used for oxide polishing is an aluminum oxide suspension grinding polishing solution, and the polishing time is 45 min. According to the prepared oxide scale EBSD sample, an oxide layer on the surface of steel is completely preserved, the surface protection effect is good, meanwhile, a steel base body of the sample makes direct contact with an EBSD sample table, good conductivity is guaranteed, and obvious image drifting in the detection process is avoided.

The invention discloses a casting method of a high-hardness and erosion-resistant combined stop valve body. The method comprises the following steps: (1) preparing pouring liquid, wherein the pouring liquid comprises the following chemical components in percentage by weight: 0.22 to 0.26% of C, 0.25 to 0.45% of Si, 0.60 to 0.80% of Mn, 0.50 to 0.70% of Ni, 0.25 to 0.45% of Cu, 0.15 to 0.25% of B, not greater than 0.03% of P, not greater than 0.02% of S, and the balance Fe; (2) preparing a casting-infiltration coating; (3) pouring the valve body; (4) performing thermal treatment and finishing. The stop valve body manufactured by the casting method has the advantages that an uniform and stable casting-infiltration combined layer is formed on the surface, the hardness is high, and the erosion resistance is outstanding, the yield is high, the quality is stable, the appearance quality and the use performance are high, and the service life is long.