Abstract: The present invention relates to compounds of the formula (I) where X is selected from the group consisting of a single bond, O, N—(C1-C4)-alkyl, N—Ar1, CR5R6, S, S(O) and SO2; Z1 and Z2 are independently selected from hydrogen, -Alk-OH, —CH2—Ar2—CH2—OH, -Alk?-C(O)ORx, —CH2—Ar2—C(O)ORx and —C(O)—Ar2—C(O)ORx, where Rx is selected from the group consisting of hydrogen, phenyl, benzyl and C1-C4-alkyl; R1 and R2 are independently selected from the group consisting of optionally substituted mono- or polycyclic aryl having from 6 to 26 carbon atoms as ring members and optionally substituted mono- or polycyclic hetaryl having a total of 5 to 26 atoms as ring members, R5 is selected from the group consisting of hydrogen, C1-C4-alkyl and a radical Ar1; R6 is selected from the group consisting of hydrogen and C1-C4-alkyl; Alk is C2-C4-alkandiyl; provided that R1 and R2 are not both phenyl, if R3 and R4 are both hydrogen.

Abstract: Provided is a method of recycling a waste resin composition containing a synthetic resin and organic impurities.

Abstract: Provided is an optical resin composition for lenses that contains a resin having a structural unit represented by formula (1), and a binaphthalene compound and/or a binaphthalene compound oligomer having a structural unit represented by formula (2). A, p, K1, K2, Z, and q in formula (1) are as described in the present specification. R1-R10, a, and b in formula (2) are as described in the present specification.

Abstract: According to the present invention, there can be provided a thermoplastic resin comprising a constituent unit (A) derived from a monomer represented by the following general formula (1): wherein R1 to R12, Rk, and Rp each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a cycloalkyl group containing 5 to 20 carbon atoms, a cycloalkoxyl group containing 5 to 20 carbon atoms, an aryl group containing 6 to 20 carbon atoms, a linear or branched alkyl group containing 1 to 10 carbon atoms, an alkenyl group containing 2 to 10 carbon atoms, an alkoxy group containing 1 to 10 carbon atoms, a heteroaryl group containing 6 to 20 carbon atoms, which comprises one or more heterocyclic atoms selected from O, N and S, or an aralkyl group containing 7 to 20 carbon atoms, and X and Y represent a single bond or an alkylene group containing 1 to 5 carbon atoms, i and ii each independently represent an integer of 0 to 4, and K1 and K2 each independently represent —

Abstract: According to the present application, there can be provided a thermoplastic resin including a constituent unit (A) derived from a monomer represented by the following general formula (1): wherein R1s, which are the same or different, each represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, or a linear or branched alkyl group containing 1 to 4 carbon atoms; and ring A represents a benzene ring optionally substituted with 1 to 4 groups selected from the group consisting of a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, a linear or branched alkoxy group containing 1 to 6 carbon atoms, and a linear or branched alkyl group containing 1 to 6 carbon atoms.

Abstract: Provided is an optical lens formed by integrally molding a lens part that is an optically effective portion and has a light incidence/emission surface, and a lens edge part that is an optically ineffective portion and has a surface thereof except the light incidence/emission surface. The lens edge part includes a non-transparent region in part or all thereof, the lens part and the lens edge part include a thermoplastic resin, and the non-transparent region in the lens edge part contains a total of 0.1-5 mass % of one or more of a black dye and a black pigment.

Abstract: A thermoplastic resin including a constituent unit (A) derived from a monomer represented by general formula (1). In general formula (1), R1 and R11 each independently represent a hydrogen atom, an aryl group having 6-12 carbon atoms, or a linear or branched alkyl group having 1-4 carbon atoms, and X represents one of general formulas (a) to (d). In general formulas (a) to (d), R21 to R57 each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a linear or branched alkyl group having 1-4 carbon atoms, or a linear or branched alkoxy group having 1-7 carbon atoms.

Abstract: A thermoplastic resin composition for an optical material is provided. The thermoplastic resin composition contains a compounding agent represented by general formula (1). (In general formula (1), R1 to R5 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; R6 to R9 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; and R10 represents a hydrogen atom, or an alkyl group having 1 to carbon atoms in total.

Abstract: Provided is a resin composition that is highly fluid and has good moldability, and that has excellent optical properties. More specifically, provided is a resin composition that contains a thermoplastic resin and a specific compounding agent containing a naphthalene structure and/or a fluorene structure.

Abstract: Provided is a polycarbonate resin which maintains favorable properties as an optical material while having fluidity suitable for molding. Furthermore, provided are an optical lens and an optical film that use the polycarbonate resin. The polycarbonate resin is characterized by comprising a component unit (A) expressed by general formula (1) and a component unit (B) expressed by general formula (2).

Abstract: A resin composition contains: a resin containing a constituent unit (A) represented by general formula (1); and a resin containing a constituent unit (B) represented by formula (2) and/or a constituent unit (C) represented by formula (3). (R1 represents a methyl group or an ethyl group, R2 and R3 represent a hydrogen atom or a methyl group, and n represents 0 or 1.) (Ra and Rb represent a hydrogen atom, etc., Rh represents an aryl group of 6-20 carbons, X represents a single bond or a fluorene group, A and B represent an alkylene group of 1-4 carbons, m and n represent integers 0-6, and a and b represent integers 0-10.) (Rc and Rd represent a hydrogen atom, etc., Y represents a fluorene group, A and B represent an alkylene group of 1-4 carbons, p and q represent integers 0-4, and a and b represent integers 0-10.

Abstract: A polycarbonate resin composition having a structural unit represented by formula (1), a structural unit represented by formula (2), and a structural unit represented by formula (3): wherein, in formula (3), R1 to R4 each independently represents a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, an alkyl group containing 1 to 6 carbon atoms, or an aryl group containing 6 to 20 carbon atoms which may optionally include a heterocyclic atom selected from an oxygen atom, a nitrogen atom and a sulfur atom, an alkenyl group containing 2 to 6 carbon atoms, an alkoxy group containing 1 to 6 carbon atoms or an aralkyl group containing 7 to 17 carbon atoms; p, q, r and s each independently represents an integer of 0 to 4; and i represents an integer of 1 to 10, and ii represents an integer of 0 to 10.

Abstract: A thermoplastic resin composition that cuts visible light and has infrared light transmittance. A thermoplastic resin composition including a thermoplastic resin and a coloring material, wherein the refractive index at a wavelength of 894 nm is 1.60 or greater, and when the thickness of the thermoplastic resin composition is 1 mm, the maximum value of the transmittance of wavelengths of 380 nm-630 nm is greater than 0% and less than or equal to 1.00%, and the average transmittance of wavelengths of 840 nm-940 nm is greater than or equal to 80%.

Abstract: Provided is an optical lens formed by integrally molding a lens part that is an optically effective portion and has a light incidence/emission surface, and a lens edge part that is an optically ineffective portion and has a surface thereof except the light incidence/emission surface. The lens edge part includes a non-transparent region in part or all thereof, the lens part and the lens edge part include a thermoplastic resin, and the non-transparent region in the lens edge part contains a total of 0.1-5 mass % of one or more of a black dye and a black pigment.

Abstract: Provided is an optical resin composition for lenses that contains a resin having a structural unit represented by formula (1), and a binaphthalene compound and/or a binaphthalene compound oligomer having a structural unit represented by formula (2). A, p, K1, K2, Z, and q in formula (1) are as described in the present specification. R1-R10, a, and b in formula (2) are as described in the present specification.