Abstract: A polymer composition comprising 1 to 99 wt % of a copolymer (A) and 99 to 1 wt % of a copolymer (B); the polymer composition used as a light emitting material of a light emitting device having high performances; Copolymers (A) and (B) being copolymers showing fluorescence in the solid state and having a polystyrene-reduced number average molecular weight of 103 to 108, and containing a repeating unit (a) and a repeating unit (b); Copolymer (A) has a relation of 100>XaA>5, where XaA (%) is a percentage of the mol number of repeating unit (a) based on the sum of the mol numbers of repeating units (a), and Copolymer (B) satisfies a relation of XaB?XaA?5, where XaB (%) is a percentage of the mol number of repeating unit (a) based on the sum of the mol numbers of repeating units (a) and (b).

Abstract: A polymer composition comprising 1 to 99 wt % of a copolymer (A) and 99 to 1 wt % of a copolymer (B); the polymer composition used as a light emitting material of a light emitting device having high performances; Copolymers (A) and (B) being copolymers showing fluorescence in the solid state and having a polystyrene-reduced number average molecular weight of 103 to 108, and containing a repeating unit (a) and a repeating unit (b); Copolymer (A) has a relation of 100>XaA>5, where XaA (%) is a percentage of the mol number of repeating unit (a) based on the sum of the mol numbers of repeating units (a), and Copolymer (B) satisfies a relation of XaB?XaA?5, where XaB (%) is a percentage of the mol number of repeating unit (a) based on the sum of the mol numbers of repeating units (a) and (b).

Abstract: A polymer composition comprising 1 to 99 wt % of a copolymer (A) and 99 to 1 wt % of a copolymer (B); the polymer composition used as a light emitting material of a light emitting device having high performances; Copolymers (A) and (B) being copolymers showing fluorescence in the solid state and having a polystyrene-reduced number average molecular weight of 103 to 108, and containing a repeating unit (a) and a repeating unit (b); Copolymer (A) has a relation of 100>XaA>5, where XaA (%) is a percentage of the mol number of repeating unit (a) based on the sum of the mol numbers of repeating units (a), and Copolymer (B) satisfies a relation of XaB?XaA?5, where XaB (%) is a percentage of the mol number of repeating unit (a) based on the sum of the mol numbers of repeating units (a) and (b).

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.

Abstract: To provide a solution composition having a significantly high viscosity comprising one or more solvent(s) and one or more polymer(s) having a polystyrene-reduced Z-average molecular weight of 5.0×104 to 5.0×106, and the solution composition allows to easily obtain a film having a favorable film formability and high uniformity.

Abstract: To provide a solution composition having a significantly high viscosity comprising one or more solvent(s) and one or more polymer(s) having a polystyrene-reduced Z-average molecular weight of 1.0×105 to 5.0×106, and the solution composition allows to easily obtain a film having a favorable film formability and high uniformity.

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.

Abstract: There is provided a polymer composition comprising 1 to 99 wt % of (A) the following copolymer and 99 to 1 wt % of (B) the following copolymer: and when the polymer composition is used as a light emitting material of a light emitting device, a light emitting device having high performances such as high light emission efficiency, longer life and the like can be obtained, Copolymer (A): a copolymer showing fluorescence in the solid state and having a polystyrene-reduced number average molecular weight of 103 to 108, and containing a repeating unit (a) and a repeating unit (b), and said copolymer has a relation of 100>XaA>5, provided that XaA (%) is a percentage of the mol number of the repeating unit (a) based on the sum of the mol numbers of the repeating units (a), Copolymer (B): a copolymer showing fluorescence in the solid state and having a polystyrene-reduced number average molecular weight of 103 to 108, and containing a repeating unit (a) and a repeating unit (b), and said copolymer satisfies a

Abstract: A polymer compound comprising a repeating unit of the following formula (1) and a repeating unit selected from the following formulae (2-1) and (2-2): (wherein, Ar1 and Ar2 represent an arylene group or divalent heterocyclic group. a and b represent each independently 0 or 1, E1, E2 and E3 represent an aryl group having three or more substituents selected from alkyl groups, alkoxy groups and the like, or a monovalent heterocyclic group having one or more substituents and in which the sum of the number of the substituents and the number of hetero atoms of the heterocycle is 3 or more. A ring, B ring, C ring and D ring represent an aromatic ring, X represents —O—, —S— and the like, and Y represents —C?C— and the like).

Abstract: A polymer compound comprising a repeating unit of the following formula (1) and which is useful as a light emitting material or charge transporting material and excellent in heat resistance, fluorescent intensity and the like: (wherein, ring A and ring B represent each independently an aromatic hydrocarbon ring optionally having a substituent, at least one of ring A and ring B is an aromatic hydrocarbon ring composed of a plurality of condensed benzene rings, Rw and Rx represent each independently a hydrogen atom, alkyl group, alkoxy group or the like, and Rw and Rx may mutually bond to form a ring).

Abstract: To provide a solution composition having a significantly high viscosity comprising one or more solvent(s) and one or more polymer(s) having a polystyrene-reduced Z-average molecular weight of 5.0×104 to 5.0×106, and the solution composition allows to easily obtain a film having a favorable film formability and high uniformity.

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), 1

Abstract: A bisazo compound represented by the following general formula (1): wherein the variables are as defined in the specification, or a salt thereof is superior in various performance for dyeing and printing a fiber material.

Abstract: A bisazo compound represented by the following general formula (1): wherein the variables are as defined in the specification and a method for dyeing or printing a fiber material using them are provided.