C08L27/14

Air management system member and fluororubber composition
12194717 · 2025-01-14 · ·

An air management system component containing a crosslinked fluoroelastomer layer obtained by crosslinking a fluoroelastomer composition that contains a peroxide-crosslinkable fluoroelastomer and a hydrotalcite compound. Also disclosed is the fluoroelastomer composition.

Air management system member and fluororubber composition
12194717 · 2025-01-14 · ·

An air management system component containing a crosslinked fluoroelastomer layer obtained by crosslinking a fluoroelastomer composition that contains a peroxide-crosslinkable fluoroelastomer and a hydrotalcite compound. Also disclosed is the fluoroelastomer composition.

SEALS FOR NATURAL GAS COMPRESSOR
20170082202 · 2017-03-23 ·

An exemplary reciprocating compressor includes a compression chamber enclosed by a cylinder and a piston. The piston includes a piston seal for sealing a gas in the compression chamber. The piston seal is formed of about 70 to about 90 percent by weight of a fluorinated polymer, about 2 to about 18 percent by weight of an organic filler, and about 2 to about 18 percent by weight of boron nitride.

THERMALLY STABLE CROSSLINKED POLYVINYL FLUORIDE COATING

The present disclosure relates to a coating composition comprising polyvinyl fluoride (PVF), an acrylic copolymer comprising amine and/or hydroxyl functional groups, and an isocyanate or melamine crosslinker with groups that are reactive towards amine or hydroxyl groups. Also disclosed herein are dried or cured coatings resulting from the coating composition, substrates coated with such coating compositions, the resulting dried and/or cured coated substrates, and methods of coating such substrates.

THERMALLY STABLE CROSSLINKED POLYVINYL FLUORIDE COATING

The present disclosure relates to a coating composition comprising polyvinyl fluoride (PVF), an acrylic copolymer comprising amine and/or hydroxyl functional groups, and an isocyanate or melamine crosslinker with groups that are reactive towards amine or hydroxyl groups. Also disclosed herein are dried or cured coatings resulting from the coating composition, substrates coated with such coating compositions, the resulting dried and/or cured coated substrates, and methods of coating such substrates.

SURFACTANT, PREPARATION METHOD THEREFOR AND USE THEREOF
20250270397 · 2025-08-28 ·

A surfactant, a method for preparing the same and a use thereof are provided. The surfactant is a copolymer, and the comonomers used to prepare the surfactant includes at least one hydrophobic monomer with a structure represented by formula (1) and at least one hydrophilic monomer with a structure represented by formula (2).

Composition for electrochromic device having optical transmission, high flexibility, and high moisture resistance, and manufacturing method of electrochromic member

The present invention relates to a composition for an electrochromic device having improved optical transmission and elasticity, and a manufacturing method of an electrochromic member, wherein the composition for an electrochromic device according to an embodiment of the present invention includes a light-transmitting polymer resin, a plasticizer, and an electrochromic material.

Composition for electrochromic device having optical transmission, high flexibility, and high moisture resistance, and manufacturing method of electrochromic member

The present invention relates to a composition for an electrochromic device having improved optical transmission and elasticity, and a manufacturing method of an electrochromic member, wherein the composition for an electrochromic device according to an embodiment of the present invention includes a light-transmitting polymer resin, a plasticizer, and an electrochromic material.

FLUORINE-CONTAINING COPOLYMER COMPOSITION AND CROSSLINKED RUBBER ARTICLE
20260035543 · 2026-02-05 · ·

Provided are: a fluorine-containing copolymer composition from which a crosslinked rubber article with improved adhesiveness (reduced adhesion strength) can be obtained; and a crosslinked rubber article obtained using the fluorine-containing copolymer composition. This fluorine-containing copolymer composition comprises a fluorine-containing copolymer, an imidazole compound having an imidazole backbone, and a crosslinker, wherein the imidazole compound has a content of 0.80 parts by mass or less based on 100.00 parts by mass of the fluorine-containing copolymer.

VINYLIDENE FLUORIDE EMULSION POLYMERIZATION USING POLY(VINYL ALCOHOL) AS ONLY STABILIZER

A process for producing a stable PVDF latex by emulsion polymerization in the absence of fluorinated surfactant, said latex being stabilized by poly(vinyl alcohol) (PVOH). The process including the steps of charging a polymerization reactor with deionized water and a stabilizer, raising the temperature to 50 to 120 C., feeding VDF to the reactor until the pressure reaches from 100 kPa to 10 MPa, adding an initiator to start the polymerization, continuously feeding VDF to maintain said pressure, and stopping the VDF feed when the desired amount of polymer conversion has been reached.