Abstract: The present invention controls a temperature rise due to resistance in electrolysis, and prevents an anode from falling off A holding member is attached in surface contact with one side of an electrode plate made of a low melting metal or a low melting alloy having a melting point of not less than 100° C. and not more than 250° C., the holding member having a length equal to or longer than the length of said one side and being made of a metal or an alloy having a melting point higher than the melting point of the electrode plate.

Abstract: To provide a well proppant containing fluororesin-coated particles which has a sufficiently small frictional resistance of the surface, which has sufficient chemical resistance and strength, which can be produced with high productivity, of which proppant particles as a base substrate are hardly corroded, and in which the adhesion between the coating fluororesin and the proppant particles as a base substrate is high, and a method for efficiently recovering hydrocarbons from a hydrocarbon-bearing formation. A well proppant containing fluororesin-coated particles having at least part of the surface of proppant particles coated with a fluororesin (F) having a volume flow rate of from 0.

Abstract: A multilayer tube including at least three layers including a layer (a) formed of (A) polyamide 11 and/or polyamide 12, a layer (b) formed of (B) a polyamide (semi-aromatic polyamide) including a dicarboxylic acid unit containing a terephthalic acid and/or naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units, and a diamine unit containing an aliphatic diamine unit having a carbon number of 9 to 13 in a proportion of 60 mol % or more based on all diamine units, and a layer (c) formed of (C) a fluorine-containing polymer having introduced into the molecular chain thereof a functional group having reactivity with a polyamide-based resin, is provided as a multilayer tube excellent in an alcohol gasoline permeation-preventing property, interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance.

Abstract: A laminate for a printed wiring board having a laminate structure comprising an electrical insulator layer (A) and an electrical conductor layer (B) bonded directly to each other, wherein the electrical insulator layer (A) is formed of a fluorocopolymer comprising repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a fluoromonomer excluding tetrafluoroethylene and chlorotrifluoroethylene, and repeating units (c) based on a monomer having an acid anhydride residue and a polymerizable unsaturated bond in amounts of (a) being from 50 to 99.89 mol %, (b) being from 0.1 to 49.99 mol % and (c) being from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and the electrical conductor layer (B) has a surface roughness of at most 10 ?m on the side being in contact with the electrical insulator layer (A). The laminate for a printed wiring board is excellent in signal response in a high frequency region.

Abstract: To provide a multilayer laminate excellent in fuel barrier properties, fuel oil resistance, mechanical strength and interlaminar adhesion strength. A multilayer laminate having a layer of a fluororesin containing acid anhydride residue (for example, a tetrafluoroethylene/ethylene/(perfluoroethyl)ethylene/itaconic anhydride copolymer) and a layer of an amine-modified thermoplastic resin (for example, polyphenylene sulfide modified by a silane coupling agent containing an amino group). The multilayer laminate can be produced by co-extrusion and is excellent in the interlaminar adhesion strength, whereby it is suitable for a fuel hose or the like.

Abstract: To provide a laminate for a flexible printed wiring board excellent in signal response in the high frequency region. A laminate for a flexible printed wiring board having a three-layer laminated structure where a reinforcing layer (A), an electrical insulator layer (B) and an electrical conductor layer (C) are laminated in this order, wherein the electrical insulator layer (B) is made of a fluorocopolymer comprising repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a fluoromonomer excluding tetrafluoroethylene and chlorotrifluoroethylene, and repeating units (c) based on a monomer having an acid anhydride residue and the electrical conductor layer (C) has a surface roughness of at most 10 ?m on the side being in contact with the electrical insulator layer (B). The laminate for a flexible printed wiring board is excellent in signal response in the high frequency region and excellent in flex resistance.

Abstract: To provide a laminate for a flexible printed wiring board excellent in signal response in the high frequency region. A laminate for a flexible printed wiring board having a three-layer laminated structure where a reinforcing layer (A), an electrical insulator layer (B) and an electrical conductor layer (C) are laminated in this order, wherein the electrical insulator layer (B) is made of a fluorocopolymer comprising repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a fluoromonomer excluding tetrafluoroethylene and chlorotrifluoroethylene, and repeating units (c) based on a monomer having an acid anhydride residue and the electrical conductor layer (C) has a surface roughness of at most 10 ?m on the side being in contact with the electrical insulator layer (B). The laminate for a flexible printed wiring board is excellent in signal response in the high frequency region and excellent in flex resistance.

Abstract: A laminate for a printed wiring board having a laminate structure comprising an electrical insulator layer (A) and an electrical conductor layer (B) bonded directly to each other, wherein the electrical insulator layer (A) is formed of a fluorocopolymer comprising repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a fluoromonomer excluding tetrafluoroethylene and chlorotrifluoroethylene, and repeating units (c) based on a monomer having an acid anhydride residue and a polymerizable unsaturated bond in amounts of (a) being from 50 to 99.89 mol %, (b) being from 0.1 to 49.99 mol % and (c) being from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and the electrical conductor layer (B) has a surface roughness of at most 10 ?m on the side being in contact with the electrical insulator layer (A) The laminate for a printed wiring board is excellent in signal response in a high frequency region.

Abstract: A multilayer tube including at least three layers including a layer (a) formed of (A) polyamide 11 and/or polyamide 12, a layer (b) formed of (B) a polyamide (semi-aromatic polyamide) including a dicarboxylic acid unit containing a terephthalic acid and/or naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units, and a diamine unit containing an aliphatic diamine unit having a carbon number of 9 to 13 in a proportion of 60 mol % or more based on all diamine units, and a layer (c) formed of (C) a fluorine-containing polymer having introduced into the molecular chain thereof a functional group having reactivity with a polyamide-based resin, is provided as a multilayer tube excellent in an alcohol gasoline permeation-preventing property, interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance.

Abstract: To provide a multilayer laminate excellent in fuel barrier properties, fuel oil resistance, mechanical strength and interlaminar adhesion strength. A multilayer laminate having a layer of a fluororesin containing acid anhydride residue (for example, a tetrafluoroethylene/ethylene/(perfluoroethyl)ethylene/itaconic anhydride copolymer) and a layer of an amine-modified thermoplastic resin (for example, polyphenylene sulfide modified by a silane coupling agent containing an amino group). The multilayer laminate can be produced by co-extrusion and is excellent in the interlaminar adhesion strength, whereby it is suitable for a fuel hose or the like.

Abstract: A laminate tube which comprises a layer made of a fluorocopolymer containing repeating units based on at least one fluoromonomer selected from the group consisting of tetrafluoroethylene and chlorotrifluoroethylene and repeating units based on at least one functional monomer selected from the group consisting of an acid anhydride having a polymerizable unsaturated bond and a dicarboxylic acid having a polymerizable unsaturated bond, and a layer made of a non-fluororesin directly laminated, and has a haze of from 0.1 to 30%. The laminate tube is excellent in transparency, excellent in interlaminar adhesion and anti-elution properties, excellent in liquid and gas barrier properties and applicable to transportation of a liquid such as a beverage and a coating composition.

Abstract: A tetrafluoroethylene/ethylene copolymer composition comprising a tetrafluoroethylene/ethylene copolymer (A) and a thermoplastic fluoropolymer (B) having a crystallization temperature higher than the crystallization temperature of said tetrafluoroethylene/ethylene copolymer (A) in a mass ratio of (A)/(B)=from 99.8/0.2 to 1/99. The composition is excellent in melt processability, and its formed product is excellent in mechanical properties and fuel barrier properties.

Abstract: A tetrafluoroethylene/ethylene copolymer composition comprising a tetrafluoroethylene/ethylene copolymer (A) and a thermoplastic fluoropolymer (B) having a crystallization temperature higher than the crystallization temperature of said tetrafluoroethylene/ethylene copolymer (A) in a mass ratio of (A)/(B)=from 99.8/0.2 to 1/99. The composition is excellent in melt processability, and its formed product is excellent in mechanical properties and fuel barrier properties.

Abstract: There is disclosed a moisture-curable elastomer composition obtained by dynamic heat treatment of a mixture comprising(a) an ethylene-.alpha.-olefin-unconjugated diene copolymer rubber,(b) a silicon-based crosslinking agent having two or more SiH groups within the molecule,(c) a hydrosilylation catalyst and(d) a hydrolyzable silane group-containing thermoplastic resin. Also disclosed is an elastomer composition resulting from molding of the above elastomer composition, followed by contacting with water, preferably in the presence of a silanol catalyst, to thereby cause crosslinking of the hydrolyzable silane group-containing thermoplastic resin. The elastomer composition of the present invention is excellent in rubber elasticity at high temperatures, low temperature impact resistance and oil resistance and have good moldability.