A closed-cell foam water-stop sheet with an adhesion layer, wherein the closed-cell foam water-stop sheet comprises: the adhesion layer that comprises a rubber component (A) having a total content of 80% by mass or more of a butyl rubber (a1) and an ethylene-propylene-diene rubber (a2), and a petroleum resin-based tackifier (B), the adhesion layer having a thickness of 0.01 to 2.0 mm; and a closed-cell foam sheet having a closed cell ratio of 70% or more, the closed-cell foam sheet being integrally attached to the adhesion layer, and wherein a mass ratio of the ethylene-propylene-diene rubber (a2) to the butyl rubber (a1) [(a2)/(a1)] is 0/100 to 93/7, a content of the petroleum resin-based tackifier (B) is 0.5 to 20 parts by mass based on 100 parts by mass of the rubber component (A), and the closed-cell foam water-stop sheet with an adhesion layer has a 25% compression stress of 10 to 800 kPa.

The present invention relates to compositions (compounds) which can be used as seal material in vessel caps, even under pasteurization conditions and possibly sterilization conditions. More specifically, the invention relates to such compositions that are suitable for vessel caps that can be unscrewed, such as lug screw caps and in particular Press-on/Twist-off caps, and that result in a reduced migration of undesirable substances.

A curable composition which has high curability and high transparency, while exhibiting good adhesion to various base materials, and which is used in both an aqueous system and an organic system and is applied to UV curing and/or thermal curing; a coating agent composition, a bonding agent composition, an adhesive composition, an ink composition, an aqueous ink composition, an ink composition for three-dimensional modeling, an aqueous coating material composition, a sealing agent composition, a nail cosmetic composition, a dental material and a decorative coating agent, each of which contains this curable composition; and cured products and molded articles of these materials. A curable composition contains: (A) a water-insoluble multifunctional (meth)acrylamide; and (B) a polymerizable compound other than the component (A).

Provided is a flame-retardant rubber composition including an ethylene--olefin-non-conjugated diene copolymer, aluminum hydroxide, an alkyl-modified silane coupling agent, and a hydrocarbon-based plasticizer. An amount of the aluminum hydroxide is 60 mass % or more of the flame-retardant rubber composition, a total amount of the alkyl-modified silane coupling agent and the hydrocarbon-based plasticizer is 8 mass % or less of the flame-retardant rubber composition, and an amount of the alkyl-modified silane coupling agent is 5 mass % or more of the aluminum hydroxide. The flame-retardant rubber composition has excellent flame retardancy, physical properties suitable as a sealing material, and low environmental impact.

A container closure, in particular a vacuum screw closure, having a scaling insert which comprises or consists of a polymer material (except for PVC), the sealing insert comprising essentially only one type of copolymer, preferably only one copolymer and in addition to this only conventional additives.

A curable composition including a first component containing aldehyde group-containing compounds and a second component containing cyanoacetate group-containing compounds, wherein the average molecular weight Mn of the first and second components, with respect to the aldehyde or cyanoacetate group-containing compounds, ranges from 400 to 20,000 g/mol, and the average functionality of at least one of the two components, with respect to the aldehyde or the cyanoacetate group-containing compounds, is greater than 2.0. The composition is largely free of toxic ingredients and cures in ambient conditions using conventional catalysts quickly and in a trouble-free manner in order to form a non-tacky elastic polymer with a high degree of strength, elasticity, and resistance to tear propagation. The composition is particularly suitable for use as an elastic adhesive, sealant, or coating with a high degree of robustness during production, storage, and processing as well as a high degree of resistance after curing.

A pressurised dispensing container (10) comprising a container (11) for product to be dispensed, and a valve fixed to the container, wherein the container contains a propellant comprising 1,1-difluoroethane or a derivative thereof and optionally ethanol. The valve comprises a valve stem (15), a valve body (16, 18) and one or more seals (20, 21), the valve stem being slidable within the valve body, the one or more seals co-operating with the valve stem for regulating discharge of a fluid. The valve further comprises a sealing gasket (14) for sealing the valve to the dispensing container. The one or more seals (20, 21) is/are formed from (i) an elastomeric composition, preferably an elastomeric composition comprising an ethylene-propylene-diene terpolymer. The sealing gasket (14) is formed from (ii) an elastomeric composition comprising an isobutylene polymer or co-polymer thereof.

An acrylic rubber composition includes an acrylic rubber and a specific antioxidant, wherein the acrylic rubber includes 15 to 55% by weight of methacrylic acid alkyl ester monomer units (a), 44.5 to 84.5% by weight of acrylic acid ester monomer units (b), and 0.5 to 4% by weight of carboxyl group-containing monomer units (c), and the content of the antioxidant is 0.1 to 5 parts by weight relative to 100 parts by weight of the acrylic rubber.

A pressurised dispensing container (10) comprising a container (11) for product to be dispensed, and a valve fixed to the container, wherein the container contains a propellant comprising 1,1-difluoroethane or a derivative thereof and optionally ethanol.

The valve comprises a valve stem (15), a valve body (16, 18) and one or more seals (20, 21), the valve stem being slidable within the valve body, the one or more seals co-operating with the valve stem for regulating discharge of a fluid. The valve further comprises a sealing gasket (14) for sealing the valve to the dispensing container.

The one or more seals (20, 21) is/are formed from (i) an elastomeric composition, preferably an elastomeric composition comprising an ethylene-propylene-diene terpolymer. The sealing gasket (14) is formed from (ii) an elastomeric composition comprising an isobutylene polymer or co-polymer thereof.

A laminate is formed in which a separator that serves as a base material and a lip that serves as a sealing member are bonded via an adhesive layer. The lip includes a rubber composition containing a component (A) described below. The adhesive layer includes an adhesive containing a component () and a component () described below. (A) A rubber component that is composed of at least one of an ethylene-propylene-diene rubber and an ethylene-butene-diene rubber. (a) A copolymerized oligomer type silane coupling agent that has a specific hydrophilic functional group and a specific hydrophobic functional group at a specific ratio. (B) An organic titanate compound.