Abstract: An optical transmission system including an optical transmission device and an optical reception device that receives, via an optical transmission line, a signal transmitted from the optical transmission device, the optical transmission system including a transmission-mode selection unit that selects transmission mode information in descending order of priority out of transmission mode information, which is combinations of a plurality of parameters concerning transmission performance, the transmission mode information being a plurality of kinds of the transmission mode information common to the transmission performance of the optical transmission device and the optical reception device, a signal transmission unit that transmits, to the optical reception device, a signal modulated based on the selected transmission mode information, and a signal reception unit that receives the signal and modulates the received signal based on the transmission mode information selected by the transmission-mode selection unit.

Abstract: One aspect of the present invention is an information processing system that includes a computing machine installed in a computing machine base, and a first transmitting/receiving apparatus connected to the computing machine, a second transmitting/receiving apparatus installed in a user base that is used by a user, and a device connected to the second transmitting/receiving apparatus, and a control apparatus configured to control connection between the first transmitting/receiving apparatus and the second transmitting/receiving apparatus. In the information processing system, the control apparatus is configured to change the connection between the first transmitting/receiving apparatus and the second transmitting/receiving apparatus, and copy the state of the pre-change computing machine from the pre-change computing machine into the post-change computing machine.

Abstract: An easily tearable film with excellent linear cuttability, as well as a multilayer film, a packaging material, and a container are provided.

Abstract: Provided is a multilayered container including a polyester layer containing a thermoplastic polyester resin (X) and a polyamide layer containing a polyamide resin (Y), wherein the polyester layer is an innermost layer, and the polyamide layer is an intermediate layer. The polyamide resin (Y) has a constituent unit derived from a diamine and a constituent unit derived from a dicarboxylic acid. At least 70 mol % of the constituent units derived from a diamine are a constituent unit derived from a xylylenediamine, and at least 70 mol % of the constituent units derived from a dicarboxylic acid are a constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbons. When an overall thickness is 100%, the polyamide layer is present from a position of 5 to 35% from an inner surface, and a thickness of the polyamide layer is from 1 to 15%.

Abstract: Provided are a filament having, after a water absorption treatment, a high maintenance rate of linear strength and a high maintenance rate of knot strength, and a fishing line. The filament contains a polyamide resin (A), and the polyamide resin (A) is constituted from a constituent unit derived from a diamine and a constituent unit derived from a dicarboxylic acid, and 70 mol % or more of the constituent units derived from a diamine are derived from xylylene diamine, and 70 mol % or more of the constituent units derived from a dicarboxylic acid are derived from an ?,?-linear aliphatic dicarboxylic acid having from 11 to 14 carbons.

Abstract: An easily tearable film includes polyamide resin components including more than 20 parts by mass and 70 parts by mass or less of a semi-aromatic polyamide resin A and less than 80 parts by mass and 30 parts by mass or more of an aliphatic polyamide resin B; wherein the semi-aromatic polyamide resin A is constituted of a diamine-derived constituent unit and a dicarboxylic acid-derived constituent unit; 60 mol % or more of the diamine-derived constituent units are derived from metaxylylenediamine; 60 mol % or more of the dicarboxylic acid-derived constituent units are derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 10 carbons; and the molar concentration of phosphorus atoms, the total molar concentration of alkali metal atoms and the total molar concentration of alkaline earth metal atoms, and Mn of the semi-aromatic polyamide resin satisfy predetermined relationships.

Abstract: Provided is a resin laminate having: a polyester layer containing a polyester resin (A); and a mixed resin layer containing a polyamide resin (B) and a polyester resin (C). The polyamide resin (B) includes a constituent unit derived from a diamine and a constituent unit derived from a dicarboxylic acid, with 70 mol % or greater of the constituent derived from a diamine being a constituent unit derived from xylylenediamine, and 70 mol % or greater of the constituent unit derived from a dicarboxylic acid being a constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbons. Further, a radical concentration in the mixed resin layer is 1×10?12 mol/g or greater. Also provided are a multilayered film and a multilayered container formed from the resin laminate.

Abstract: Provided are: a container for chlorine-based liquid bleaching agent composition including a resin composition containing a polyester resin (A), a pigment (B) and a polyamide resin (C), wherein a content of the polyester resin (A) is 90 to 99 mass %, and a mass ratio [(B)/(C)] of the (B) and the (C) is 1/99 to 20/80; and a bleaching agent article including a container having a chlorine-based liquid bleaching agent composition accommodated therein.

Abstract: The present invention provides an easily tearable aluminum-vapor-deposited biaxially oriented film in which at least an aluminum vapor deposition layer (A), a barrier layer (B), an adhesive layer (C), and a polypropylene layer (D) are layered in this order, wherein the barrier layer (B) includes a mixture of a polyamide (a) and an amorphous polyamide (b), the polyamide (a) includes diamine units including at least 70 mol % of constituent units derived from xylylene diamine and dicarboxylic acid units including at least 70 mol % of constituent units derived from a C4-20 ?,?-straight-chain aliphatic dicarboxylic acid, the content of the polyamide (a) in the barrier layer (B) is 30-70% by mass, and the content of the amorphous polyamide (b) in the barrier layer (B) is 30-70% by mass.

Abstract: Provided is a fiber-reinforced resin material in which is used a polyamide resin such as MXD6 that is appropriately impregnated into continuous reinforcing fibers and has suppressed perforations and deficits when formed into a film in a molten state. Also provided are a wound body, a molded article, and a method for producing the fiber-reinforced resin material. The film-shaped fiber-reinforced resin material has a polyamide resin composition that is impregnated into continuous reinforcing fibers arranged in parallel in at least one direction.

Abstract: There is provided a low-viscosity resin composition having high mechanical strength when formed into a molded article and having excellent fluidity, and a molded article formed from the resin composition.

Abstract: To provide a polyamide resin composition preventing mold fouling during molding and capable of producing a molded product with an excellent color tone, as well as a molded product, a method for producing a molded product, and an antioxidant. The composition is a resin composition containing: a polyamide resin constituted of diamine-derived constituent units and dicarboxylic acid-derived constituent units, 70 mol % or more of the diamine-derived constituent units being derived from a compound represented by Formula (1), and 70 mol % or more of the dicarboxylic acid-derived constituent units being derived from an ?,?-linear aliphatic dicarboxylic acid having from 8 to 12 carbon atoms; and a compound represented by Formula (1), where R1 and R2 each independently represent an alkyl group having from 1 to 4 carbon atoms, and n1 and n2 are each independently an integer from 0 to 4, wherein a content of the compound represented by Formula (1) is from 3 to 100 mass ppm of the resin composition.

Abstract: A resin composition which has oxygen-barrier properties less apt to depend on humidity and has high transparency; and a formed article and a film which include the resin composition are provided.

Abstract: Provided are a resin composition having excellent oxygen barrier property under high humidity as a novel resin material, a molded body, a method for producing a molded body, and a method for producing a pellet using the resin composition. The resin composition includes a resin component and a plate-shaped talc having an aspect ratio of more than 18, 80 mass % of the resin component comprising a barrier resin having an oxygen transmission coefficient of 5.0 cc·mm/(m2·day·atm) or less as measured according to ASTM D3985 at a relative humidity of 60% and a temperature of 23° C., and a content of the plate-shaped talc being from 3.0 to 55.0 mass % when a total of the barrier resin and the plate-shaped talc is 100 mass %.

Abstract: Provided is a stretched body having a high barrier property under high humidity, a PET bottle, and a method for producing a container. The stretched body of a composition containing a semi-aromatic polyamide resin and plate-shaped talc having an aspect ratio of more than 18, a content of the plate-shaped talc having an aspect ratio of more than 18 in the composition is from 3.0 to 55.0 mass % when a total content of the semi-aromatic polyamide resin and the plate-shaped talc having an aspect ratio of more than 18 is 100 mass %.

Abstract: Provided is a multilayered container including a polyester layer containing a thermoplastic polyester resin (X) and a polyamide layer containing a polyamide resin (Y), wherein the polyester layer is an innermost layer, and the polyamide layer is an intermediate layer. The polyamide resin (Y) has a constituent unit derived from a diamine and a constituent unit derived from a dicarboxylic acid. At least 70 mol % of the constituent units derived from a diamine are a constituent unit derived from a xylylenediamine, and at least 70 mol % of the constituent units derived from a dicarboxylic acid are a constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbons. When an overall thickness is 100%, the polyamide layer is present from a position of 5 to 35% from an inner surface, and a thickness of the polyamide layer is from 1 to 15%.

Abstract: Provided is a method for producing an amorphous polyamide resin whereby the production of foreign matter in the resin can be suppressed or avoided when producing an amorphous polyamide resin having a constituent unit derived from isophoronediamine, a constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having from 8 to 14 carbons, and a constituent unit derived from an aromatic dicarboxylic acid.

Abstract: Provided is a method for producing an amorphous polyamide resin whereby the production of foreign matter in the resin can be suppressed or avoided when producing an amorphous polyamide resin having a constituent unit derived from isophoronediamine, a constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having from 8 to 14 carbons, and a constituent unit derived from an aromatic dicarboxylic acid. The method for producing an amorphous polyamide resin including subjecting a diamine component and a dicarboxylic acid component to melt polycondensation reaction in the presence of a phosphorus atom-containing compound, the diamine component including 70 mol % or more of isophoronediamine, and the dicarboxylic acid component including an ?,?-linear aliphatic dicarboxylic acid having from 8 to 14 carbons and an aromatic dicarboxylic acid.

Abstract: Provided is a polyester-based resin composition capable of giving a molded article excellent in transparency and gas-barrier property even though the molded article requires stretching treatment, and also provided is a method for producing the composition. The method for producing a polyester-based resin composition includes a step of obtaining a master batch (M) containing a polyester resin (A) having a cyclic acetal structure or an alicyclic hydrocarbon structure, and a polyamide resin (B), and a step of melt-kneading the master batch (M) with a polyester resin (R) in which 70 mol % or more of the dicarboxylic acid unit is derived from an aromatic dicarboxylic acid and 70 mol % or more of the diol unit is derived from an aliphatic diol, thereby giving a polyester-based resin composition, in this order,. The glass transition temperature of the polyester resin (A) is 105° C. or lower, the content of the polyester resin (A) in the polyester-based resin composition is 0.5 to 15.

Abstract: Provided are a polyamide resin, a molded article, and a method for producing the polyamide resin that excels in an oxygen barrier property, exhibits a sufficiently low yellowing index, and suppresses the occurrence of fish eyes. The polyamide resin includes a structural unit derived from a diamine and structural unit derived from a dicarboxylic acid, 70 mol % or more of the structural unit derived from a diamine being derived from meta-xylylenediamine, of the structural unit derived from a dicarboxylic acid, from 30 to 70 mol % being derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbons, and from 70 to 30 mol % being derived from isophthalic acid (provided that a total of the structural unit derived from a dicarboxylic acid does not exceed 100 mol %). The polyamide resin includes a phosphorus atom at a proportion from 50 to 150 ppm by mass, and a sodium atom at a proportion such that a molar ratio of the phosphorus atom to the sodium atom is from 1:1 to 1:2.