200results about How to "Improve adhesion performance" patented technology

A needle fixture of a probe card and a needle fixing method in semiconductor inspection equipment include a needle fixture of a probe card in semiconductor inspection equipment including a printed circuit board; a needle fixture installed in the printed circuit board; a resin unit affixing a probe needle to the needle fixture using an adhesive; and a separation preventer for preventing separation of the resin unit from the needle fixture, wherein the separation preventer includes: a plurality of notches formed along a bottom surface of the needle fixture; and the adhesive filling the plurality of notches.

Disclosed is a novel polymeric nanoparticle adhesive composite including a nanoparticle filler and method for the production thereof. More particularly, the disclosure describes the use of nanoparticle fillers, including a novel halloysite nanoparticle filler which utilizes generally cylindrical or tubular nanoparticles (e.g. rolled scroll-like shape). The filler is effectively employed in a polymer nanoparticle adhesive composite, containing the halloysite nanoparticle or other equivalent naturally occurring nanotubular filler, in which the advantages of the nanoparticle filler are provided (e.g., reinforcement, flame retardant, etc.) while maintaining or improving mechanical performance of the adhesive composite (e.g., adhesive strength and tack)

The invention discloses water borne epoxy intermediate paint. The intermediate paint comprises a component A and a component B, and the weight ratio of the component A to the component B is between 0.5 and 10, wherein the component A comprises the following ingredients in percentage by weight: 23-55 percent of water borne epoxy resin curing agent, 0.1-1 percent of wetting dispersant, 1-5 percent of antirust pigment, 5-10 percent of tinting pigment, 1-5 percent of filler, 1-2 percent of film forming auxiliary, 0.1-1 percent of defoaming agent, 0.1-0.5 percent of flatting agent, 0.01-0.5 percent of antiseptic, 0.5-2 percent of rust inhibitor, 0.01-0.1 percent of rheology modifier and 36.09-49.9 percent of softened water; and the component B comprises the following ingredients in percentage by weight: 10-30 percent of self-emulsified water borne epoxy resin and 70-90 percent of softened water. By compounding a self-emulsified epoxy resin emulsion and a self-emulsified water borne epoxy resin curing agent, the mechanical performance and the salt mist resistance of the paint can be improved, and the environmentally friendly requirement can be fulfilled.

A liquid ejection head includes an energy-generating element arranged on a semiconductor substrate, a barrier layer deposited on the semiconductor substrate for forming a liquid chamber in the periphery of the energy-generating element, and a nozzle sheet bonded on the barrier layer and having a nozzle formed at a position opposing the energy-generating element, in which the liquid ejection head ejects liquid contained in the liquid chamber from the nozzle as liquid droplets by the energy-generating element, and the barrier layer is provided with a plurality of depressions, each having an independent contour, arranged within a range, which is separated from the border of the barrier layer, on an adhesive region adhering to the nozzle sheet.

The present invention relates to a pressure-sensitive adhesive composition used for a pressure-sensitive adhesive sheet to be directly attached to a metal surface, the composition including, a monomer mixture or an acrylic copolymer material obtained by at least partially polymerizing the monomer mixture, the monomer mixture including: at least one monomer (monomer m1) selected from alkyl(meth)acrylates represented by the following formula (I): CH₂═C(R¹)COOR² in which R¹ is a hydrogen atom or a methyl group, and R² is an alkyl group having 1 to 20 carbon atoms, and N-methylol (meth)acrylamide (monomer m2); in which the monomer m1 and the monomer m2 are contained in a total amount of 60% by weight or more based on the total amount of the monomer mixture, and the monomer mixture includes substantially no carboxyl group-containing monomer.

The present invention relates to a pressure-sensitive adhesive composition including, as a main ingredient, a monomer mixture or an acrylic copolymer material obtained by at least partially polymerizing the monomer mixture, the monomer mixture including: at least one monomer (monomer ml) selected from alkyl (meth)acrylates represented by the following formula (I) CH₂═C(R¹)COOR² in which R¹ is a hydrogen atom or a methyl group, and R² is an alkyl group having 1 to 20 carbon atoms: at least one monomer (monomer m2) selected from N-hydroxyalkyl (meth)acrylamides represented by the following formula (II) CH₂═C(R¹)CONHR⁴ in which R³ is a hydrogen atom or a methyl group, and R⁴ is a hydroxyalkyl group having 2 to 4 carbon atoms: and at least one monomer (monomer m3) selected from N-vinyl cyclic amides and (meth)acrylamides that may have an N-alkyl group; and the monomer mixture including substantially no carboxyl group-containing monomer.

The invention discloses a high-strength composite corrugated fiber foam cement heat insulation material. Aiming at the defects that organic materials such as polyphenyl, extruded sheet and polyurethane, belonging to petroleum extractant, are complicated in structure, easy to age, inflammable, easy to crack, easy to seep and are short in service life, and inorganic materials such as a foam cement heat insulation board cannot reach the use strength of a wall body, the invention designs the high-strength composite corrugated fiber foam cement heat insulation material. The heat insulation material comprises corrugated fiber cement heat insulation material, composite foam cement heat insulation material, a fixed connecting support component, and concave-convex or male-female connecting mortise and tenon joints. The design purposes of meeting the use strength of a building outer wall and reducing the cost are realized by utilizing the performances of low heat conductivity coefficient, non-inflammability, high compression resistance and breaking strength of the foam cement, foamed ceramics and corrugated fiber cement plate and a pouring extrusion and foam technique. The high-strength composite corrugated fiber foam cement heat insulation material has the characteristics that the performances of heat preservation and insulation, non-inflammability and fireproofing, sound insulation and noise reduction, lightweight earthquake and acid rain resistance can be improved, and the material has the advantages on performance that the structure is simple, the material is saved, the mounting and dismounting are convenient, the construction efficiency is high, the service life is long, the cost is low, the material can be used as a finished wall body and recycled, and is energy-saving and environmental-protection.

The present invention provides novel polysaccharide-based adhesive hydrogel compositions useful for wound healing and topical and transdermal delivery of therapeutic and cosmetic agents, methods of preparation and uses thereof. The hydrogel includes modified polysaccharides which bestow superior cohesion and adhesiveness to the hydrogel. The present invention further provides methods and a device useful for the testing the adhesive properties of hydrogels.

A process for obtaining a polyolefin composition endowed with improved adhesion performance, especially paintability, comprising premixing a high-flow polyolefin resin with one or more grafting monomers and initiator, possibly also one or more comonomers, feeding the obtained premix and a low-flow polyolefin resin into a mixing device, and gradually heating the components to above their melting points while being subjected to mixing forces. The process may be carried out in an extruder, and polyether amine may optionally be introduced into the extruding mass downstream of the feeding point.

The invention relates to the field of paper product processing machinery, in particular to a full-automatic gold stamping machine used for paper end surface side. The full-automatic gold stamping machine comprises a control console and a stander, wherein the stander is provided with a working platform; the gold stamping machine also comprises a chain transmission device used for clamping and conveying paper; the chain transmission device is arranged above the working platform, and a transmission channel is arranged between the chain transmission device and the working platform; one end of thetransmission channel is provided with a paper feeding station, and the other end thereof is provided with a paper exiting station; meanwhile, the gold stamping machine also comprises a grinding device, a deashing device, a sizing device and a gold stamping device. The device has the advantages of stable running, high production efficiency, full-automatic control, low failure rate, safety and reliability as well as convenient operation, and can be widely used for gold stamping (or silver stamping, coloring) of end surfaces of high quality books, notebooks, business cards, identification cards,bank cards and products made of PVC material so as to improve the added value of the product.