The present invention relates to an optical filter including: a substrate; and a dielectric multilayer film laid on or above at least one major surface of the substrate, as an outermost layer, in which: the substrate includes a resin film containing a dye (U) having a maximum absorption wavelength in a range of 360 to 395 nm in dichloromethane, a dye (A) having a maximum absorption wavelength in a range of 600 to 800 nm in dichloromethane, and a resin; and the optical filter satisfies spectral characteristics (i-1) to (i-5).

The present invention relates to an optical filter including: a substrate; and a dielectric multilayer film laid on or above at least one major surface of the substrate, as an outermost layer, in which: the substrate includes a resin film containing a dye (U) having a maximum absorption wavelength in a range of 360 to 395 nm in dichloromethane, a dye (A) having a maximum absorption wavelength in a range of 600 to 800 nm in dichloromethane, and a resin; and the optical filter satisfies spectral characteristics (i-1) to (i-5).

A two-pack addition-curable silicone rubber composition, containing: (A) an alkenyl-group-containing organopolysiloxane; (B) an organohydrogenpolysiloxane; (C) a platinum-based catalyst; (D) benzotriazole and/or a benzotriazole derivative; (E-1) an acetylene alcohol compound and/or a compound modified with silane or siloxane; and (E-2) an alkenyl-group-containing cyclic organopolysiloxane and/or an alkenyl-group-containing chain organopolysiloxane that has a large amount of alkenyl groups and differs from the component (A), wherein a composition X contains the components (C) and (E-2), a composition Y contains the components (B), (D), and (E-1), at least one of the compositions X or Y contains the component (A), and the two-pack addition-curable silicone rubber composition is curable by mixing the composition X and the composition Y.

A two-pack addition-curable silicone rubber composition, containing: (A) an alkenyl-group-containing organopolysiloxane; (B) an organohydrogenpolysiloxane; (C) a platinum-based catalyst; (D) benzotriazole and/or a benzotriazole derivative; (E-1) an acetylene alcohol compound and/or a compound modified with silane or siloxane; and (E-2) an alkenyl-group-containing cyclic organopolysiloxane and/or an alkenyl-group-containing chain organopolysiloxane that has a large amount of alkenyl groups and differs from the component (A), wherein a composition X contains the components (C) and (E-2), a composition Y contains the components (B), (D), and (E-1), at least one of the compositions X or Y contains the component (A), and the two-pack addition-curable silicone rubber composition is curable by mixing the composition X and the composition Y.

A composition for temporary bonding, includes: (A) a (meth)acrylate having the following (A-1) and (A-2): (A-1) a monofunctional (meth)acrylate whose side chain is an alkyl group having 18 or more carbon atoms and homopolymer has a Tg of −100° C. to 60° C., and (A-2) a polyfunctional (meth)acrylate; (B) a polyisobutene homopolymer and/or a polyisobutene copolymer; and (C) a photo radical polymerization initiator.

The present invention relates to a layered structure comprising a copper conductor and a polymer layer adjacent to the copper conductor, more specific to a wire or cable insulation layer that can preserve the copper conductor from discolouration. The polymer layer adjacent to the copper conductor comprises the polymer composition comprising a benzotriazole compound. This prevents discoloration of the copper conductor.

The present invention relates to a layered structure comprising a copper conductor and a polymer layer adjacent to the copper conductor, more specific to a wire or cable insulation layer that can preserve the copper conductor from discolouration. The polymer layer adjacent to the copper conductor comprises the polymer composition comprising a benzotriazole compound. This prevents discoloration of the copper conductor.

The present invention relates to a layered structure comprising a copper conductor and a polymer layer adjacent to the copper conductor, more specific to a wire or cable insulation layer that can preserve the copper conductor from discolouration. The polymer layer adjacent to the copper conductor comprises the polymer composition comprising a benzotriazole compound. This prevents discoloration of the copper conductor.

A thermoplastic composition including a polycarbonatesiloxane-arylate; a phthalone compound; and optionally an additional component different from the polycarbonatesiloxane-arylate and the phthalone compound; wherein the phthalone compound has a formula: wherein Z.sub.1 represents the atoms necessary to complete a 9- to 13-membered single or fused aromatic ring structure, Z.sub.2 represents the atoms necessary to complete a pyridine or quinoline ring, each R.sub.1 and each R.sub.2 are independently halogen, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an aromatic or aliphatic thioether group, an aromatic or aliphatic carboxylic acid ester group, or an aromatic or aliphatic amide group, a is an integer from 0 to 6, b is an integer from 0 to 4, n is 1 or 2, and X is present only if n=2 and is a single bond or a divalent organic radical bonded to the Z.sub.1 ring structure through an ether, ketone, or thio linkage.

##STR00001##

A thermoplastic composition including a polycarbonatesiloxane-arylate; a phthalone compound; and optionally an additional component different from the polycarbonatesiloxane-arylate and the phthalone compound; wherein the phthalone compound has a formula: wherein Z.sub.1 represents the atoms necessary to complete a 9- to 13-membered single or fused aromatic ring structure, Z.sub.2 represents the atoms necessary to complete a pyridine or quinoline ring, each R.sub.1 and each R.sub.2 are independently halogen, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an aromatic or aliphatic thioether group, an aromatic or aliphatic carboxylic acid ester group, or an aromatic or aliphatic amide group, a is an integer from 0 to 6, b is an integer from 0 to 4, n is 1 or 2, and X is present only if n=2 and is a single bond or a divalent organic radical bonded to the Z.sub.1 ring structure through an ether, ketone, or thio linkage.

##STR00001##