Abstract: Disclosed is a production method comprising a step of obtaining a poly(arylene sulfonium salt) comprising a terminal group including at least one functional group selected from the group consisting of a carboxy group, a hydroxy group and an amino group, and a step of dealkylating or dearylating the poly(arylene sulfonium salt) to obtain a polyarylene sulfide resin, and a polyarylene sulfide resin comprising a terminal group including a functional group obtainable by the production method.

Abstract: A system identification device for performing fast real-time identification for a system from input/output data includes a filter robust to disturbance, by setting the maximum energy gain from the disturbance to a filter error, as an evaluation criterion, smaller than a given upper limit. The filter estimates a state estimation value of a state of the system.

Abstract: A fluorine-containing polybenzimidazole containing a repeating unit represented by the following formula (1): wherein Rf is —SO2—, —O—, —CO—, an alkylene group optionally containing a substituent, or a group represented by the following: wherein two Xs are each individually a hydrogen atom or a monovalent organic group; and R1 is a divalent organic group. Also disclosed is a polybenzimidazole precursor polyamide, a polybenzimidazole production method, film, flexible wiring board, printed circuit board, and polymer electrolyte membrane.

Abstract: A vacuum drying apparatus includes a chamber, a steam supply line, an evacuation line, a circulation line, and a pressurizing and heating unit. The chamber includes an inlet, an outlet, and a treatment space capable of accommodating food. The steam supply line is connected to the inlet and is configured to be capable of supplying steam into the treatment space. The evacuation line is connected to the outlet and is configured to be capable of evacuating the treatment space. The circulation line is provided outside the chamber and causes steam to circulate from the outlet to the inlet. The pressurizing and heating unit is provided in the circulation line.

Abstract: The present invention relates to a polyarylene sulfide resin, a method for producing the same, a poly(arylene sulfonium salt), and a method for producing the same. The production method comprises a step of obtaining a poly(arylene sulfonium salt) comprising a terminal group including at least one functional group selected from the group consisting of a carboxy group, a hydroxy group and an amino group, and a step of dealkylating or dearylating the poly(arylene sulfonium salt) to obtain a polyarylene sulfide resin, and a polyarylene sulfide resin comprising a terminal group including a functional group obtainable by the production method.

Abstract: A rubber-metal adhesion promoter characterized by including a compound (1) represented by the following general formula (A): (in the formula, Z represents a structure selected from the following formulae (z-1) to (z-4); M represents titanium or zirconium; and (RCOO) represents a residue of an aliphatic carboxylic acid having 2 to 25 carbon atoms)

Abstract: The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: reacting a sulfoxide represented by the following formula (1) with a particular aromatic compound to obtain a poly(arylenesulfonium salt) having a particular constitutional unit; and dealkylating or dearylating the poly(arylenesulfonium salt) to obtain a polyarylene sulfide resin having a particular constitutional unit, wherein R1 represents an alkyl group having 1 to 10 carbon atoms, etc.; Ar1 and Ar2 each independently represent an arylene group optionally having a substituent; and Z represents a direct bond, etc.

Abstract: Provided is a cyclic peptide derivative which is derived from Paecilomyces tenuipes having an astrocyte proliferative activity, or a salt thereof.

Abstract: The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: a step of reacting a poly(arylenesulfonium salt) having a constitutional unit represented by the following formula (1) with an aliphatic amide compound to obtain a polyarylene sulfide resin having a constitutional unit represented by the following formula (2): wherein R1 represents a direct bond, -Ar2-, -Ar2-S— or -Ar2-O—; Ar1 and Ar2 each represent an arylene group optionally having a functional group as a substituent; R2 represents an alkyl group having 1 to 10 carbon atoms or an aromatic group optionally having an alkyl group having 1 to 10 carbon atoms as a substituent; and X? represents an anion, wherein R1 and Ar1 are the same as described above.

Abstract: Disclosed is a production method comprising a step of obtaining a poly(arylene sulfonium salt) comprising a terminal group including at least one functional group selected from the group consisting of a carboxy group, a hydroxy group and an amino group, and a step of dealkylating or dearylating the poly(arylene sulfonium salt) to obtain a polyarylene sulfide resin, and a polyarylene sulfide resin comprising a terminal group including a functional group obtainable by the production method.

Abstract: Provided is a cyclic peptide derivative which is derived from Paecilomyces tenuipes having an astrocyte proliferative activity, or a salt thereof.

Abstract: A rubber-metal adhesion promoter characterized by including a compound (1) represented by the following general formula (A): (in the formula, Z represents a structure selected from the following formulae (z-1) to (z-4); M represents titanium or zirconium; and (RCOO) represents a residue of an aliphatic carboxylic acid having 2 to 25 carbon atoms)

Abstract: The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: reacting a sulfoxide represented by the following formula (1) with a particular aromatic compound to obtain a poly(arylenesulfonium salt) having a particular constitutional unit; and dealkylating or dearylating the poly(arylenesulfonium salt) to obtain a polyarylene sulfide resin having a particular constitutional unit, wherein R1 represents an alkyl group having 1 to 10 carbon atoms, etc.; Ar1 and Ar2 each independently represent an arylene group optionally having a substituent; and Z represents a direct bond, etc.

Abstract: The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: a step of reacting a poly(arylenesulfonium salt) having a constitutional unit represented by the following formula (1) with an aliphatic amide compound to obtain a polyarylene sulfide resin having a constitutional unit represented by the following formula (2): wherein R1 represents a direct bond, —Ar2—, —Ar2—S— or —Ar2—O—; Ar1 and Ar2 each represent an arylene group optionally having a functional group as a substituent; R2 represents an alkyl group having 1 to 10 carbon atoms or an aromatic group optionally having an alkyl group having 1 to 10 carbon atoms as a substituent; and X? represents an anion, wherein R1 and Ar1 are the same as described above.

Abstract: A polyimide precursor, a polyimide using the polyimide precursor, and a polyimide film using the polyimide. The polyimide film has excellent adhesiveness to a metal layer or an adhesive, and has improved heat resistance. The polyimide solution may be used as a coating material.

Abstract: A polyimide precursor for obtaining a polyimide film having excellent adhesiveness to metals and improved transmittance in the UV-visible range, a polyimide in which the polyimide precursor is used, a polyimide film in which the polyimide is used, and a method for manufacturing a triazine compound used for manufacturing the polyimide precursor, polyimide film and polyimide.

Abstract: The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: a step of reacting a poly(arylenesulfonium salt) having a constitutional unit represented by the following formula (1) with an aliphatic amide compound to obtain a polyarylene sulfide resin having a constitutional unit represented by the following formula (2): wherein R1 represents a direct bond, —Ar2—, —Ar2—S— or —Ar2—O—; Ar1 and Ar2 each represent an arylene group optionally having a functional group as a substituent; R2 represents an alkyl group having 1 to 10 carbon atoms or an aromatic group optionally having an alkyl group having 1 to 10 carbon atoms as a substituent; and X? represents an anion, wherein R1 and Ar1 are the same as described above.

Abstract: Disclosed are a polyimide precursor for obtaining a polyimide film having excellent adhesiveness to metals and improved transmittance in the UV-visible range, a polyimide in which the polyimide precursor is used, a polyimide film in which the polyimide is used, and a method for manufacturing triazine compound used for manufacturing these. The polyimide precursor contains a structural unit represented by general formula (I): in which A is a tetravalent aromatic group or aliphatic group and B is a divalent aromatic group, wherein B in general formula (I) comprises a triazine moiety represented by following formula (B1): in which R1 denotes hydrogen or alkyl or aryl having 1 to 12 carbon atoms, and R2 denotes hydrogen or alkyl or aryl having 1 to 12 carbon atoms.