摘要:
A method for producing a member having a concave-convex structure includes: a step S1 of preparing a stamp for micro contact printing; a step S2 of preparing a concave-convex forming material; a step S3 of coating convexities of the stamp for micro contact printing with the concave-convex forming material; a step S4 of transferring the concave-convex forming material, which has been applied on the stamp for micro contact printing, onto a substrate; a step S5 of preparing a concave-convex coating material; a step S6 of coating the substrate with the concave-convex coating material; and a curing step S7 of curing the concave-convex forming material and the concave-convex coating material. The member having the concave-convex structure can be produced easily and efficiently.
摘要:
The present invention relates to a lubricating oil composition having improved fuel saving properties and also having excellent metal fatigue prevention properties and heat resistance and thus provides a lubricating oil composition for transmissions comprising: a lubricating base oil comprising (A) a mineral base oil having a 100°C kinematic viscosity of 1. 5 mm 2 /s or higher and 3.5 mm 2 /s or lower, a pour point of -25°C or lower, a viscosity index of 105 or greater, a %C P of 85 or greater, a %can of 2 or greater and 20 or less and a %C A of 3 or less in an amount of 50 to 97 percent by mass on the total base oil composition mass basis and (B) a monoester-based base oil having a 100°C kinematic viscosity of 2 to 10 mm 2 /s in an amount of 3 to 10 percent by mass on the total base oil composition mass basis; (C) a phosphorus acid ester in such an amount that the phosphorus content of the composition is from 250 to 350 ppm by mass on the phosphorus basis; and (D) a boronated ashless dispersant in an amount of 30 to 120 ppm by mass on the boron basis on the total lubricating oil composition mass basis, the ratio of the mass percent of boron to the mass percent of phosphorus in the composition (B/P) being from 0.07 to 0.42 and the composition having a 100°C kinematic viscosity of 2.5 to 4.0 mm 2 /s.
摘要:
In a microcapsule having a latent heat storage material having no vinyl group as a core material and a cross-linked polymer as a shell material, functions of the latent heat storage material is stably and efficiently expressed. In a method of producing a microcapsule that is obtained by a polymerization reaction of at least two types of vinyl monomers using an O/W dispersion containing a latent heat storage substance having no vinyl group and the vinyl monomers as raw material, and has a core-shell structure in which a core is the latent heat storage substance having no vinyl group and a shell is a copolymer of at least two components of the vinyl monomers, the vinyl monomers contain a vinyl monomer having an electron withdrawing group and a vinyl monomer having an electron donating group and the method includes a step of continuously and successively passing the O/W dispersion through a plurality of net bodies that are provided along a flow path and disposed at certain intervals before the polymerization reaction, resulting in emulsification. The object is achieved by using the method of producing a microcapsule.
摘要:
A startup method for a fractionator that is supplied with, and fractionally distills, a hydrocracked product obtained in a wax fraction hydrocracking step by hydrocracking a wax fraction contained within a Fischer-Tropsch synthetic oil, the method including a preheating step of preheating the fractionator using a hydrocarbon oil that includes at least a portion of the hydrocracked product and is liquid at a normal temperature and normal pressure.
摘要:
A hydrogen supply system for supplying hydrogen comprises a reaction unit for producing a hydrogen-containing gas by a dehydrogenation reaction of a starting material, a heat supply unit for supplying heat to the reaction unit, a removal unit for removing through membrane separation a dehydrogenation product from the hydrogen-containing gas produced by the reaction unit, and a first off-gas line for supplying a part or whole of an off-gas from the removal unit to the reaction unit.
摘要:
A method for producing an optical substrate includes: a step S0 of preparing a long film-shaped mold having a concave-convex pattern surface having a concave-convex pattern; a step S2 of forming a coating film made of a sol-gel material on the concave-convex pattern surface of the film-shaped mold; a step S3 of adhering the coating film, which is formed on the concave-convex pattern surface of the film-shaped mold, to a substrate by arranging the concave-convex pattern surface of the film-shaped mold on which the coating film made of the sol-gel material is formed to face the substrate and by pressing a pressing roll against a surface of the film-shaped mold on a side opposite to the concave-convex pattern surface; a step S4 of releasing the film-shaped mold from the coating film; and a step S5 of curing the coating film adhered to the substrate. An optical substrate usable for diffracting and/or diffusing light and having heat resistance and weather resistance can be produced with high throughput.
摘要:
A process for producing a Fischer-Tropsch synthesis catalyst according to the present invention comprises a step of calcining a carrier precursor containing silica calcined at a temperature T 1 and a zirconium compound at a temperature T 2 to obtain a carrier; and a step of calcining a catalyst precursor containing the carrier and a cobalt compound and/or a ruthenium compound at a temperature T 3 , wherein the content of the zirconium compound in the carrier precursor is 0.01 to 7% by mass in terms of zirconium oxide based on the total mass of the catalyst, and T 1, T 2 , and T 3 satisfy conditions represented by expressions (1) to (3): T 1 ≥ T 3 250 °C ≤ T 2 ≤ 450 °C 250 °C ≤ T 3 ≤ 450 °C
摘要:
Provided are both a grease composition for an electric power steering device and an electric power steering device. The grease composition can keep a sufficiently low coefficient of friction in a sliding area between a steel and a resin over a long period, is less susceptible to being removed from the sliding area, does not cause break down of an oil film, and thus can minimize the occurrence of stick-slips. A grease composition for an electric power steering device, containing a synthetic hydrocarbon oil which exhibits a density of 0.75 to 0.95 g/cm 3 at 15°C, a saturated aliphatic amide compound, boron nitride, a glycerin fatty acid partial ester, and a metal soap-based thickener; and an electric power steering device using the grease composition.
摘要翻译:既提供了电动助力转向装置和电动助力转向装置的润滑脂组合物。 润滑脂组合物可以在长时间的钢和树脂之间的滑动区域中保持足够低的摩擦系数,更不容易从滑动区域移除,不会导致油膜的分解,因此可以 最小化粘贴的发生。 一种电动助力转向装置用润滑脂组合物,其含有在15℃下密度为0.75〜0.95g / cm 3的合成烃油,饱和脂肪族酰胺化合物,氮化硼,甘油脂肪酸偏酯,和 金属皂基增稠剂; 以及使用该润滑脂组合物的电动助力转向装置。
摘要:
A polyimide comprising at least one of repeating units represented by the following general formulae (1) and (2) :
[in the formulae (1) and (2), R 1 , R 2 , and R 3 each independently represent a hydrogen atom or the like, R 4 represents an aryl group having 6 to 40 carbon atoms, and n represents an integer of 0 to 12], wherein a total amount of the repeating units represented by the general formulae (1) and (2) is 90% by mole or more relative to all repeating units.