388results about How to "Improve surface adhesion" patented technology

A polymer coated modified carbon product is described wherein the polymer at least partially coats a modified carbon product. The modified product preferably has at least one organic group attached to the carbon product and the organic group is preferably substituted with an ionic, ionizable, or polar group for preparation in polar or aqueous based media. Methods of making the polymer coated modified carbon product are also described, such as by aqueous-based or solvent free polymerization methods, organic solvent based polymerization methods, or solution coating methods. Polymeric products and masterbatches containing the polymer coated modified carbon products are also described as well as methods to improve properties such as impact properties and tensile properties. Polymer coated modified colored pigments, methods of making the same, and polymeric products and masterbatches containing polymer coated modified colored pigments are also described.

Medical devices, and in particular implantable medical devices, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The medical devices may be coated with any number of biocompatible materials. Therapeutic drugs, agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. These therapeutic drugs, agents or compounds may also further reduce a biological organism's reaction to the introduction of the medical device to the organism. In addition, these therapeutic drugs, agents and/or compounds may be utilized to promote healing, including the formation of blood clots. Various materials and coating methodologies may be utilized to maintain the drugs, agents or compounds on the medical device until delivered and positioned.

Cell culture apparatus comprising at least two adjacent cell cultivation channels separated by a permeable or semipermeable membrane, wherein at least one channel, for the majority of its length, has a cross sectional area of no more than 1 mm², said channel being provided with entrance and exit means to permit the passage of media therethrough, allows co-culture of separate cell types, e.g. human and microbial cells, without mingling, allowing monitoring of cell cultures and chemical exchanges between the respective cell cultures.

Lubricant oil and grease composition containing an additive package comprising wear-resistant additives in the form of nanoparticles, wherein the additives are a carbonate selected from the group consisting of a carbonate of a Group 1a alkali metal and a carbonate of a Group 2a alkaline earth metal, a sulfate of a Group 1a alkali metal or a Group 2a alkaline earth metal, a phosphate of a Group 1a alkali metal or Group 2a alkaline earth metal, a carboxylate of a Group 1a alkali metal and a carbonate of a Group 2a alkaline earth metal, or a combination thereof.

A crush resistant seamless roofing system is formed by a layer of adjacent panels having loose joints filled by expanding rising foam adhesive, which is trimmed to remove excess foam adhesive above a top plane of the roofing system. The roofing system thus formed is covered by a fabric layer and a coating. Further, the seamless roofing system is combined with a base layer, located beneath the panels, the base layer comprising bonded panels of a lightweight fireproofing material, resistant to moisture and foot traffic.

A transparent protective film for polarizing plate being provided via an adhesive layer on at least one surface of a polarizer, wherein a ratio of constituent elements (oxygen ratio/carbon ratio) on the polarizer-adhering surface of the transparent protective film for polarizing plate, which is determined by X-ray photoelectron spectrometry, is larger than 0.75 has facilitate adhesion surface and no deformation without problems attributable to saponification.

The present invention provides a gasket material to be placed between two opposing faces to provide a tight closure between them. The gasket material of the present invention, wherein an adhesive layer comprised of a cured product obtained by reacting a polyoxyalkylene polymer having at least one alkenyl group in each molecule with a compound containing two or more hydrosilyl groups on average in each molecule is formed on both surfaces of a substrate sheet, is superior in elasticity and compaction property, shows superior adhesion to various materials, does not cause cohesive failure during detachment and is superior in removability. Therefore, a superior sealing effect lasts for a long time, the gasket material can be removed without leaving residues of the adhesive layer on an adherend after removal, and workability including removal of the gasket material can be improved.

The invention discloses conductive silver paste and a method for preparing the same. The conductive silver paste comprises components including, by mass percent, from 70 to 80% of conductive silver powder, from 3 to 9% of glass powder and from 15 to 27% of an organic carrier. The invention further discloses a surface metallization method for microwave dielectric ceramics. The surface metallization method includes precisely grinding, precisely polishing, ultrasonically cleaning and primarily drying the microwave dielectric ceramics; carrying out screen printing by the aid of the conductive silver paste; carrying out secondary drying; sintering a silver skin and the like. The preparation of the conductive silver paste is optimized, the microwave dielectric ceramics are precisely ground and precisely polished before the conductive silver skin is printed, then the conductive silver skin is sintered to form a silver layer by means of controlling a sintering process, surface adhesion of the metallized silver layer on the surface of the microwave dielectric ceramics can be improved, and physiochemical property and production efficiency of a metallized electrode made of the microwave dielectric ceramics are enhanced.

A radiant heating system comprises a thermally sprayed resistive heating layer bonded to an underlayment building material substrate. The substrate can comprise a sub-flooring material and the heating system can comprise a radiant floor heating system. The resistive heating layer can be thermally sprayed directly onto a sub-floor or similar underlayment material, including cementitious backing material or a sound reduction board. A finished floor surface, such as a tile, wood or laminate surface, can be provided over the substrate and thermally sprayed heater to provide a radiant floor heater. In other embodiments, a radiant heating system includes a thermally sprayed heater bonded to a flooring overlay, such as a laminate board, to a heater insert, such as a flexible polymer film or a mica-based material, or to a concrete substrate. Methods of fabricating radiant heating systems include thermally-spraying a resistive material on a sub-floor or flooring overlay.

A touch panel includes a substrate, a buffer layer, an appearance decoration layer, a touch-sensing element, and a plurality of transmission lines. The buffer layer is formed on and in contact with the substrate, and the buffer layer and the substrate are formed from mutual different materials to have different surface adhesions. The appearance decoration layer is disposed on a periphery of the substrate, and the touch-sensing element is formed on and in contact with the buffer layer. The touch-sensing element includes a plurality of capacitive coupling pads, and at least one of the capacitive coupling pads covers a part of the appearance decoration layer. The transmission lines are disposed on the appearance decoration layer and electrically connected to the touch-sensing element.

The invention provides a biomaterial modified with a hydrophilic lubrication coating on the surface and a preparation method of the biomaterial and belongs to the technical field of surface and interface modification of biological medical device materials. The preparation method comprises the following materials: mixing a vinyl active monomer, dopamine hydrochloride and a tris buffer solution to form a precursor solution; immersing a to-be-modified biological base material into the precursor solution for performing polymerization reaction. The dopamine in the biomaterial disclosed by the invention is subjected to oxidation self-crosslinking polymerization under the aerobic condition; meanwhile, the dopamine produces free radical in the oxidation self-crosslinking process; the generated free radical initiates free radical polymerization of the vinyl active monomer on the surface of the biological base material to form a coating; as wet adhesion effect of the dopamine enables the coatingto be well adhered to the surface of the biological base material, a binding force of the coating and the biological base material is better; means such as ultraviolet or heating is not needed in theprocess, so that the cost is low; as polyvinyl active monomer contains a large amount of hydrophilic groups, the biomaterial shows stable water lubrication performance.

A radiant heating system comprises a thermally sprayed resistive heating layer bonded to an underlayment building material substrate. The substrate can comprise a sub-flooring material and the heating system can comprise a radiant floor heating system. The resistive heating layer can be thermally sprayed directly onto a sub-floor or similar underlayment material, including a cementitious backing material or a sound reduction board. A finished floor surface, such as a tile, wood or laminate surface, can be provided over the substrate and thermally sprayed heater to provide a radiant floor heater. In other embodiments, a radiant heating system includes a thermally sprayed heater bonded to a flooring overlay, such as a laminate board, to a heater insert, such as a flexible polymer film or a mica-based material, or to a concrete substrate. Methods of fabricating radiant heating systems include thermally-spraying a resistive material on a sub-floor or flooring overlay.

The invention brings forward a high-performance coating for a composite material. The coating uses organosilicon modified polyurethane as a main resin component and comprises the following components by weight: 10 to 50 parts of polyurethane prepolymer and 5 to 30 parts of organosilicon modified polyurethane, wherein the organosilicon modified polyurethane is one selected from or a mixture of a block copolymer and a grafted copolymer, the content of organosilicon in the organosilicon modified polyurethane is 5% to 35%, the molecular weight of the organosilicon modified polyurethane is 2000 to 50000, the polyurethane prepolymer is one selected from or a mixture of cyanate prepolymer, hydroxyl terminated prepolymer, silicyl terminated prepolymer and acrylate terminated prepolymer, and the molecular weight of the polyurethane prepolymer ranges from 1000 to 100000. The coating provided by the invention has good heat resistance, hydrophobicity and weatherability; in use of the elastic coating, spraying pretreatment of a material surface is not needed, and the elastic coating has good adhesion.

The invention relates to an ultraviolet radiation two-step grafting method on the surface of polyethylene fiber with ultrahigh molecular weight. The method comprises the following steps of: coating a photosencitizer on the surface of preprocessed polyethylene fiber with ultrahigh molecular weight; soaking the polyethylene fiber in a first grafting monomer solution; forming a surface dormant group by adopting ultraviolet radiation or direct illumination; then, soaking in a second grafting monomer solution; initiating a secondary monomer surface free radical grafting reaction by ultraviolet radiation or heating; and finally, post-processing. Compared with the prior art, the invention has the advantages that the polar group is introduced to the surface of the polyethylene fiber with ultrahigh molecular weight, the reaction is controllable, the grafting efficiency and the grafting rate are higher, the second monomer with higher reaction activity is grafted on a primary grafting basis, and the adhesive performance of a matrix and the polyethylene fiber with ultrahigh molecular weight is greatly improved.

The invention discloses a method for preparing a poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) composite modified electrode. The method comprises the following steps of: uniformly mixing PEDOT:PSS aqueous dispersion liquid and Nafion, which are taken as raw materials, and then directly dispensing a mixture on the surface of a composite modified electrode; and in the conventional three-electrode system, performing secondary electrochemical doping by using hydrophobic ionic liquid, and thus obtaining the PEDOT:PSS composite modified electrode which is high in water resistance and high in conductivity. The PEDOT:PSS composite modified electrode which is prepared by the method fully combines the film-forming property of the PEDOT:PSS aqueous dispersion liquid, the adhesion characteristic, biological compatibility and anti-interference characteristic of the Nafion, high conductivity and hydrophobicity of the ionic liquid and the electrochemical catalysis characteristic of a nanometer material, can be applied to electrochemical biosensors or electrochemical sensors, is directly applicable to electrochemical detection of auxin, roxithromycin, vitamin C, benzenediol isomer, organophosphorus, glucose, hydrogen peroxide and the like, and has the characteristics of good detection effect, short response time, high water resistance, wide linear range, high sensitivity, high anti-interference, high stability and the like.

The invention discloses a waterborne epoxy resin, and a cation style waterborne epoxy resin grouting material containing the waterborne epoxy resin as well as the preparation method. The cation style waterborne epoxy resin comprises the following components counting according to weight parts: 100 parts of waterborne epoxy resin, 5 parts to 40 parts of main cross linking agent, 10 parts to 20 parts of subsidiary cross linking agent, 0 part to 25 parts of comonomer, 1.68 parts to 6.61 parts of accelerant, 3.7 parts to 14.5 parts of initiator, 0.01 part to 0.15 part of retarder and 0 part to 900 parts of water. The viscosity of the waterborne epoxy resin grouting material prepared through the invention is low, and the stability is good, thus the waterborne epoxy resin grouting material can be applied in the fields of coating materials, adhesives and grouting materials, and the like.

A method for forming a pattern of carbon nanotubes includes forming a pattern on a surface-treated substrate using a photolithographic process, and laminating carbon nanotubes thereon using a chemical self-assembly process so as to form the carbon nanotubes in a monolayer or multilayer structure. A monolayer or multilayer carbon nanotube pattern may be easily formed on the substrate, e.g., glass, a silicon wafer and a plastic. Accordingly, the method can be applied to form patterned carbon nanotube layers having a high conductivity, and thus will be usefully utilized in the manufacturing processes of energy storages, for example, solar cells and batteries, flat panel displays, transistors, chemical and biological sensors, semiconductor devices and the like.