摘要:
A fluoropolyether base rubber composition comprising (a) a linear fluoropolyether compound containing at least two ester groups in a molecule and a divalent perfluoroalkyl ether structure in its backbone, and having a Mn of 3,000-100,000, and (b) a siloxane polymer containing at least three amino groups in a molecule cures at room temperature into a product having heat resistance, low-temperature performance, chemical resistance, solvent resistance and oil resistance.
摘要:
A curable composition comprising (A) a fluorinated amide compound, (B) a specific fluorinated organohydrogen-siloxane, (C) a platinum group compound, (D) an organosiloxane adhesion-imparting agent, (E) a silica powder having a BET specific surface area of at least 50 m2/g and (F) an organosilane or organosiloxane surface treatment agent for the silica powder provides a cured product endowed with excellent resistance to solvents, chemicals and heat, outstanding low-temperature properties, a low water-vapor permeability and outstanding electrical characteristics. When heated at a relatively low temperature for a relatively short period of time, the composition cures to a form having good adhesion and good durability of adhesion to base materials such as metals and plastics.
摘要:
A rubber article is manufactured by heat curing a heat-curable silicone rubber composition filled with untreated fumed silica to form a substrate, applying a primer composition comprising a fluoroalkylene or fluoropolyether compound having at least one alkenyl radical and at least one hydrolyzable silyl radical onto the substrate surface, and disposing a heat-curable perfluoropolyether elastomer composition thereon and curing the composition for integration. The integrally molded article has characteristics of both silicone rubber and fluoroelastomer.
摘要:
Organosilicon compounds each having in a molecule (A) a perfluoroalkyl group of at least 3 carbon atoms which may be separated by an etheric oxygen atom, (B) a monovalent hydrocarbon group containing a carboxylic acid anhydride structure, and (C) a hydrosilyl (SiH) group are novel and added to thermosetting elastomer compositions as adhesion aids whereby the compositions are improved in adhesion to various materials including metals, alloys, plastics, and ceramics.
摘要:
A rubber article is manufactured by heat curing a heat-curable silicone rubber composition filled with untreated fumed silica to form a substrate, applying a primer composition comprising a fluoroalkylene or fluoropolyether compound having at least one alkenyl radical and at least one hydrolyzable silyl radical onto the substrate surface, and disposing a heat-curable perfluoropolyether elastomer composition thereon and curing the composition for integration. The integrally molded article has characteristics of both silicone rubber and fluoroelastomer.
摘要:
A curable composition comprising (A) a fluorinated amide compound having at least one alkenyl radical, (B) a fluorinated organohydrogensiloxane, (C) a platinum group compound, (D) a first organosiloxane having at least one SiH radical and at least one epoxy and/or trialkoxysilyl radical, and (E) a second organosiloxane having at least one SiH radical, at least one cyclic carboxylic anhydride residue, and at least one monovalent perfluorooxyalkyl or perfluoroalkyl radical cures into a fluorinated elastomer that not only has good solvent resistance, chemical resistance, heat resistance, low-temperature properties, low moisture permeability and electrical properties, but also firmly bonds to a variety of substrates including PPS, polyamide and polyimide resins.
摘要:
Provided is a thermosetting resin composition that contains 40 to 80 parts by volume of an inorganic filler with respect to 100 parts by volume of thermosetting resin solids and the inorganic filler. The inorganic filler contains (A) at least one type of particles selected from among gibbsite-type aluminum hydroxide particles and magnesium hydroxide particles having an average particle size (D50) of 1 to 15 μm; (B) aluminum oxide particles having an average particle size (D50) of 1.5 μm or less; and (C) a molybdenum compound, and the blending ratios (by volume) of the component (A), the component (B) and the component (C) with respect to 100% as the total amount of inorganic filler are component (A): 30 to 70%, component (B): 1 to 40%, and component (C): 1 to 10%.
摘要:
A configuration that reduces a parasitic capacitance between wires is achieved at a low cost. Disclosed is an acoustic wave filter provided with a piezoelectric substrate, resonators that include a comb-shaped electrode formed on the piezoelectric substrate, a wiring portion that is connected to the comb-shaped electrode, and a dielectric layer formed to cover the comb-shaped electrode. The wiring portion is provided with a lower layer wiring portion that is disposed in the same layer as the comb-shaped electrode and an upper layer wiring portion that is disposed on the lower layer wiring portion. The upper layer wiring portion includes a region that has a wider electrode width than the electrode width of the lower layer wiring portion.
摘要:
An image forming apparatus allowing a user to easily access an operating section even in a large-size apparatus can be provided. An image forming apparatus 100 includes a main machine 110 including an operating section 113 and capable of functioning as a multifunction machine by itself, and at least one option machine 120 to 190 added to a side-face side of an enclosure 111 of the main machine. The apparatus 100 includes the operating section 113 at a fixed position in the width direction of the enclosure. The enclosure has a unified first color of a same tone at a front face thereof, and an operating position line 101 is formed at a part of the front face of the enclosure and has a second color that is clearly different from the first color so as to be a guide indicating a position of the operating section 113.
摘要:
In a solid-state image sensor, first and second column readout lines are provided to each pixel column, pixel rows are divided into pixel rows of first and second groups, the first group is divided into subgroups each formed from pixels of an identical color, the second group is divided into subgroups each formed from pixels of an identical color, signals from pixels of the pixel rows of the first group are output to the first column readout lines, and signals from pixels of the pixel rows of the second group are output to the second column readout lines. Pixels of an identical subgroup in an identical pixel column share a conversion region and an amplification element, a given conversion region and another conversion region included in a pixel column identical to a pixel column of the given conversion region do not intersect with each other.