C09K2200/0247

POLYSULFIDE OR POLYTHIOETHER SEALANT COMPOSITION INCLUDING GLYCOL ORGANIC ACID ESTERS

Various embodiments disclosed relate to polysulfide or polythioether sealant composition including glycol organic acid esters. The sealant composition can include a first component including a liquid that is a polysulfide, a polythioether, a copolymer thereof, or a combination thereof. The sealant composition can also include a second component that includes one or more glycol di((C.sub.1-C.sub.20)hydrocarbyl)carboxylate esters, wherein at each occurrence the (C.sub.1-C.sub.20)hydrocarbyl is independently substituted or unsubstituted. The second component can also include an oxidizing agent.

UNCROSSLINKED FLUORORUBBER COMPOSITION, SEAL MATERIAL PRODUCED USING SAME, AND METHOD FOR PRODUCING SAME

An uncrosslinked fluororubber composition contains a rubber component containing fluororubber as a main component, ionic liquid, and an organic resin filler other than perfluoro resin.

Liquid resin composition for sealing and electronic component apparatus

A liquid resin composition for sealing contains an aliphatic epoxy compound (A), an epoxy compound (B) having an aromatic ring in a molecule, a nitrogen-containing heterocyclic compound (C), and an inorganic filler (D), wherein a percentage content of the inorganic filler (D) is 77% by mass or more with respect to a total mass of the composition.

Hydrophobic silicone-based putty composition

A putty composition comprising an organic binder, which further comprises a silicone fluid, an anti-blocking agent, and a rheological additive. The putty also contains a filler. The non-staining putty composition meets the ASTM-D2203 standard test method for staining sealants.

Gasket

A gasket includes an elastic part containing a rubber having a dynamic-to-static ratio, Kd/Kst, of 2.5 or lower, wherein the dynamic-to-static ratio, Kd/Kst, is a ratio between a dynamic spring constant, Kd, and a static spring constant, Kst. The dynamic spring constant, Kd, represents a constant as measured under conditions of 232 C., 100 Hz, and a strain amplitude of 0.1% according to JIS K6394:2007, and the static spring constant, Kst, represents a constant as measured under conditions of 232 C. and a strain amplitude of 0.1% according to JIS K6394:2007.

Sealing Compound Housing and Electronic Control Device

The disclosure relates to a sealing compound that can be applied wet and is curable to form an elastic seal. The sealing compound contains a matrix material and a corrosion-inhibiting additive. In addition, a housing having the elastic seal as well as an electronic control device with the housing are disclosed.

HYDROPHOBIC SILICONE-BASED PUTTY COMPOSITION

A putty composition comprising an organic binder, which further comprises a silicone fluid, an anti-blocking agent, and a rheological additive. The putty also contains a filler. The non-staining putty composition meets the ASTM-D2203 standard test method for staining sealants.

Material for gasket

A material for a gasket, wherein a chromate or non-chromate film, a phenol resin primer layer and a polyol-crosslinkable fluororubber layer are formed on one or both surfaces of a steel plate in this sequence from the side of the steel plate; the polyol-crosslinkable fluororubber layer is a rubber layer obtained by applying a fluororubber composition that comprises fluororubber, a polyol-based cross-linking agent, an amine-based cross-linking accelerator and silica to the phenol resin primer layer, followed by heating; and the amine-based cross-linking accelerator is a tertiary amine or a salt of a tertiary amine obtained by a reaction between a tertiary amine and an acid. Provided is a material for a gasket mounted in an engine of a vehicle that, in the actual use environment, does not suffer rubber peeling in a part where it contacts water or an anti-freezing solution even if the gasket is used in a state where it contacts different types of metals and, in a sealing part around a combustion room, abrasion or ply separation of a rubber layer hardly occurs.

Rubber composition for sealing material and sealing material using the same
12264236 · 2025-04-01 · ·

Provided is a rubber composition for sealing material which contains 100 parts by mass of a rubber component, 50 to 140 parts by mass of silica, 1 to 20 parts by mass of a silane coupling agent, and 15 to 35 parts by mass of carbon black. The rubber component is preferably an ethylene-propylene-diene rubber.

Composition containing fluorine-containing polymer and crosslinked article

A composition containing a fluorine-containing polymer and a silicon oxide represented by formula: SiO.sub.x, where 0<x<2. In a preferred embodiment, the composition contains a cross-linking agent. Also disclosed is a crosslinked product which may be a sealing material obtained by crosslinking the composition.