摘要:
A surface treatment agent for metal is provided which is capable of improving the strength of adhesion between metal and rubber. A metal surface treatment agent for promoting adhesion between the metal and rubber comprising a cobalt or other metal compound and a silane coupling agent having a metal-capturing functional group in the molecule, and a metal surface treatment agent for promoting adhesion between the metal and rubber comprising a silane coupling agent having in the molecule a metal-capturing functional group with a captured metal such as a cobalt. The metal-capturing functional group is preferably an amino, amide or azole group.
摘要:
It is an object of the present invention to provide a novel imidazole alcohol compound that adheres strongly to metal surfaces in metal products, especially copper, aluminum and steel products, and that has a superior rust-preventive effect even in a thin film, and a surface-treating agent using the same. The novel imidazole alcohol compound is expressed by the following general formula (1) show a rust-preventive effect. (In general formula (1), R1, R2 and R3 are each hydrogen, a vinyl group or an alkyl group with 1 to 20 carbon atoms, an aromatic ring may be formed by R2 and R3, X indicates hydrogen, an alkyl group with 1 to 6 carbon atoms, or a substituent group which may contain N or O, m indicates an integer from 0 to 20, and n and 1 indicate integers from 1 to 3.) The above-mentioned imidazole alcohol compound can be produced by reacting an imidazole compound and an epoxy alcohol compound.
摘要:
Provided is an iron-based sintered body with a rustproof function comprising a layer containing 0.01 to 5 at % of indium on the surface of the iron-based sintered body, or an iron-based sintered body with a rustproof function containing 0.01 to 5 at % of indium throughout the sintered body, and the iron-based sintered body having iron as its principal component is manufactured by performing sintering in a gas atmosphere containing indium vapor or indium. Thereby obtained is an iron-based sintered body, as well as the manufacturing method thereof, capable of easily improving the rustproof effect without having to hardly change the conventional process.
摘要:
Provided is metallic powder for powder metallurgy having iron as its principal component and containing indium soap, or metallic powder for powder metallurgy further comprising at least one type selected among bismuth soap, nickel soap, cobalt soap, copper soap, manganese soap and aluminum soap in such indium soap. Thereby obtained is metallic powder for powder metallurgy capable of easily improving the rustproof effect without having to hardly change the conventional process.
摘要:
A method for coupling tin-containing molecules via a Sn--Sn bond is described. The invention employs dehydrocondensation to link the Sn atoms of two molecules to form tin dimers as well as novel high molecular weight organotin polymers. In a preferred embodiment, catenated tin polymers are formed from hydrostannane precursors in the presence of a suitable metal catalyst. A particularly preferred method involves coupling dialkylstannane monomers in the presence of a metallocene catalyst to form polystannanes. Preferred catalysts include electropositive metals, such as Zr and Hf. The polystannanes are photolabile, decomposing readily under room light conditions.
摘要:
A metal nano particle can be supported and immobilized on a substrate uniformly. Thus, disclosed is a method for supporting a nano metal particle, which comprises applying a silane coupling agent having at least one functional group capable of capturing a metal (e.g., an imidazole group, an amino group, a diamino group, a mercapto group, and a vinyl group) in its molecule on a substrate, and then contacting the silane coupling agent with a nano particle of a metal (e.g., gold, platinum, silver, copper, palladium, nickel, cobalt), wherein the silane coupling agent may be produced by the reaction between an azole compound with an epoxysilane compound, and wherein the metal nano particle to be contacted with the silane coupling agent is preferably coated with an ionic fluid. Also disclosed is a substrate having a metal nano particle supported thereon, which is produced by the method.
摘要:
A plated product made of a substrate having formed thereon an alloy barrier thin film for preventing copper diffusion contains metal B, which has barrier properties in relation to copper and enables displacement plating with the copper ions contained in an electroless copper plating solution, and metal A, which tends to have less ionization than metal B in an electroless copper plating solution at a pH of 10 or higher; the alloy barrier thin film for preventing copper diffusion has a composition wherein metal A constitutes between 15 and 35 at % of the atoms; and a copper thin film is formed on the alloy barrier thin film by electroless plating using an electroless copper plating solution at a pH of 10 or higher.
摘要:
It is an object of the present invention to provide an electroless plating pretreatment agent that can retain stably Pd(II) over a long period of time in an organic solvent, an electroless plating method using the same that is capable of forming an electroless plated film having excellent adhesion, and an electroless plated object. The object is achieved by an electroless plating pretreatment agent comprising an organic palladium compound and a coordination compound having a functional group with a metal-capturing capability dissolved in an organic solvent, the coordination compound being selected from the group consisting of the imidazole analogs, polyethyleneamines, ethyleneimines and polyethyleneimines.
摘要:
An object of the present invention is to provide a high-purity aqueous copper sulfonate solution and a simplified method of producing this solution.The aqueous copper sulfonate solution of the present invention is characterized in that the copper concentration therein is at least 90 g/L, the content of metal impurities is less than 10 mg/L as metal for each metal impurity, the content of chlorine is less than 10 mg/L, and the sulfonic acid is a sulfonic acid represented by the following general formula R—(SO3H)n (in the formula, R represents a lower alkyl group, lower alkylidene group, lower alkylene group, or hydroxyalkyl group and n represents 1 or 2).
摘要:
It is an object of the present invention to provide a technology for forming an ULSI fine copper wiring by a simpler method. An electronic component in which a thin alloy film of tungsten and a noble metal used as a barrier-seed layer for an ULSI fine copper wiring is formed on a base material, wherein the thin alloy film has a composition comprising tungsten at a ratio equal to or greater than 60 at. % and the noble metal at a ratio of equal to or greater than 5 at. % and equal to or less than 40 at. %. The noble metal is preferably one or more kinds of metals selected from the group consisting of platinum, gold, silver and palladium.