Disclosed are particles that have an exterior surface coated with a thin polymeric coating, such as a coating that includes a sulfur-containing polymer. Also disclosed are compositions, such as fuel-resistant sealant and coating compositions, which include such particles. Aerospace vehicles having an aperture at least partially sealed with a sealant deposited from such a sealant composition are also disclosed.

Disclosed are particles that have an exterior surface coated with a thin polymeric coating, such as a coating that includes a sulfur-containing polymer. Also disclosed are compositions, such as fuel-resistant sealant and coating compositions, which include such particles. Aerospace vehicles having an aperture at least partially sealed with a sealant deposited from such a sealant composition are also disclosed.

The invention provides a laminated film containing at least a base material layer, a covering layer, and an inorganic thin-film layer in this order, wherein (a) the base material layer comprises a resin composition that contains at least 70 mass % of polybutylene terephthalate resin; (b) the laminated film has a piercing strength of 0.6 N/μm or more as measured in accordance with JIS Z 1707 after having undergone a 95° C.-boiling treatment for 30 minutes; (c) the base material layer has a surface orientation degree of 0.144-0.160; and (d) when the value of oxygen transmission rate obtained by measuring the laminated film under a 23° C.×65% RH condition is defined as (A) and the value of oxygen transmission rate obtained by measuring same under a 40° C.×90% RH condition is defined as (B), the barrier value deterioration rate of the laminated film, as calculated as (B/A)×100, is 300% or less.

The invention provides a laminated film containing at least a base material layer, a covering layer, and an inorganic thin-film layer in this order, wherein (a) the base material layer comprises a resin composition that contains at least 70 mass % of polybutylene terephthalate resin; (b) the laminated film has a piercing strength of 0.6 N/μm or more as measured in accordance with JIS Z 1707 after having undergone a 95° C.-boiling treatment for 30 minutes; (c) the base material layer has a surface orientation degree of 0.144-0.160; and (d) when the value of oxygen transmission rate obtained by measuring the laminated film under a 23° C.×65% RH condition is defined as (A) and the value of oxygen transmission rate obtained by measuring same under a 40° C.×90% RH condition is defined as (B), the barrier value deterioration rate of the laminated film, as calculated as (B/A)×100, is 300% or less.

An antireflective coating composition, including a polymer, a photoacid generator having a crosslinkable group, a compound capable of crosslinking the polymer and the photoacid generator, a thermal acid generator, and an organic solvent.

Coated substrates include a metal substrate and a polytriazole polymer applied to a surface of the metal substrate. The polytriazole polymer may include substituted phenyls, substituted benzyls, or both substituted phenyls and substituted benzyls. The substituted phenyls and the substituted benzyls may be independently substituted with hydrogen, bromo, fluoro, chloro, iodo, hydroxy, methyl, trifluoromethyl, dimethylamino, tert-butyl, carboxyl, triphenylmethyl, tris(4-fluorophenyl)methyl, tris(4-methylphenyl)methyl, (4-hydroxyphenyl)diphenylmethyl, and difluoromethoxy groups. The polytriazole polymer may have a degree of polymerization from 50 to 400.

A triazine ring-containing polymer, having a structural unit represented by the following formula (1), in which a peak top molecular weight obtained by gel permeation chromatography is 19,000 or less.

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The invention relates to a method for producing a polyisocyanate polymer and to the polyisocyanate polymer obtainable from the method and to the use thereof as part of a two-stage method for producing a polyisocyanurate plastic, in particular for producing coatings, films, semi-finished products or molded parts containing such a polyisocyanurate plastic.

The invention relates to a method for producing a polyisocyanate polymer and to the polyisocyanate polymer obtainable from the method and to the use thereof as part of a two-stage method for producing a polyisocyanurate plastic, in particular for producing coatings, films, semi-finished products or molded parts containing such a polyisocyanurate plastic.

Provided are a resin composition that can form a printed wiring board with a low dielectric constant and dielectric loss tangent and excellent alkali resistance and desmear resistance; and a prepreg, a resin sheet, a metal foil-clad laminate, and a printed wiring board formed using this resin composition. The resin composition contains a styrene-based elastomer (A), a styrene oligomer (B), a maleimide compound (C), and a cyanate ester compound (D).