C08L31/04

Heat-resistant crosslinked fluororubber formed body and method of producing the same, and heat-resistant product

A method of producing a heat-resistant crosslinked fluororubber formed body, including a step (1) of melt-mixing, with respect to 100 mass parts of base rubber containing 40 to 98 mass % of fluororubber and 2 to 40 mass % of ethylene/tetrafluoroethylene copolymer resin, 0.003 to 0.5 mass parts of organic peroxide, 0.5 to 400 mass parts of inorganic filler, 2 to 15 mass parts of a specific silane coupling agent, and silanol condensation catalyst, and including a step (a) of melt-mixing a part of the base rubber, the organic peroxide, the inorganic filler and the silane coupling agent at a temperature equal to or higher than a decomposition temperature of said organic peroxide, and a step (b) of melt-mixing a remainder of the base rubber, and the silanol condensation catalyst, and the fluororubber and the ethylene/tetrafluoroethylene copolymer resin are melt-mixed in any of the steps (a) and (b).

Polytetrafluoroethylene co-polymer emulsions

The present disclosure is directed to a class of fluorinated copolymers, such as PTFE copolymers, that can be dissolved in low toxicity solvents, such as Class III Solvents, and that enable the creation of stable water-in-solvent emulsions comprising the fluorinated copolymers dissolved in a low toxicity solvents and a hydrophilic agent (e.g., a therapeutic agent) dissolved in an aqueous solvent, such as water or saline.

Polytetrafluoroethylene co-polymer emulsions

The present disclosure is directed to a class of fluorinated copolymers, such as PTFE copolymers, that can be dissolved in low toxicity solvents, such as Class III Solvents, and that enable the creation of stable water-in-solvent emulsions comprising the fluorinated copolymers dissolved in a low toxicity solvents and a hydrophilic agent (e.g., a therapeutic agent) dissolved in an aqueous solvent, such as water or saline.

Hot-Melt Formulations Utilizing Depolymerized Polymeric Material
20230134341 · 2023-05-04 ·

A hot-melt formulation can utilize a depolymerized polymeric material such as a wax, styrenic polymer, and/or styrenic oligomer, wherein the wax, styrenic polymer, and/or styrenic oligomer is created via depolymerization of a polymer. In some embodiments, the polymer is polypropylene. In some embodiments, the polymer is polyethylene. In some embodiments, the polymer is polystyrene. In some embodiments, the hot-melt formulation can include, among other things, ethylene-vinyl acetate copolymers, olefinic block copolymer, amorphous polyolefins, styrene block copolymers, amorphous poly-alpha-olefins, thermoplastic polyolefins, tackifiers, stabilizers, paraffin waxes and/or Fisher Tropsch waxes.

Hot-Melt Formulations Utilizing Depolymerized Polymeric Material
20230134341 · 2023-05-04 ·

A hot-melt formulation can utilize a depolymerized polymeric material such as a wax, styrenic polymer, and/or styrenic oligomer, wherein the wax, styrenic polymer, and/or styrenic oligomer is created via depolymerization of a polymer. In some embodiments, the polymer is polypropylene. In some embodiments, the polymer is polyethylene. In some embodiments, the polymer is polystyrene. In some embodiments, the hot-melt formulation can include, among other things, ethylene-vinyl acetate copolymers, olefinic block copolymer, amorphous polyolefins, styrene block copolymers, amorphous poly-alpha-olefins, thermoplastic polyolefins, tackifiers, stabilizers, paraffin waxes and/or Fisher Tropsch waxes.

Thermally conductive materials and tubing, and applications thereof
11639456 · 2023-05-02 · ·

The present invention relates to thermally conductive materials, including, for instance, thermally conductive tubing and thermally conductive apparel, and applications thereof. In particular, the invention relates to thermally conductive tubing that can used in thermoregulatory apparel, such as, for example, cooling garments and cooling vests. In at least one embodiment, the present invention includes a thermally conductive material made from one or more base polymers and one or more additives that increase the thermal conductivity of the thermally conductive material relative to the one or more base polymers. The base polymer may include, for example, ethylene vinyl acetate (EVA), and the additive may include, for example, graphite fibers. The thermally conductive material may also include, for instance, a secondary polymer, such as ethylene propylene diene monomer (EPDM) and/or a plasticizer, such as bis(2-ethylhexyl) adipate (DEHA). Thermally conductive material produced according to one or more embodiments of the present invention may also be extruded or formed to create thermally conductive tubing and/or sheets.

Thermally conductive materials and tubing, and applications thereof
11639456 · 2023-05-02 · ·

The present invention relates to thermally conductive materials, including, for instance, thermally conductive tubing and thermally conductive apparel, and applications thereof. In particular, the invention relates to thermally conductive tubing that can used in thermoregulatory apparel, such as, for example, cooling garments and cooling vests. In at least one embodiment, the present invention includes a thermally conductive material made from one or more base polymers and one or more additives that increase the thermal conductivity of the thermally conductive material relative to the one or more base polymers. The base polymer may include, for example, ethylene vinyl acetate (EVA), and the additive may include, for example, graphite fibers. The thermally conductive material may also include, for instance, a secondary polymer, such as ethylene propylene diene monomer (EPDM) and/or a plasticizer, such as bis(2-ethylhexyl) adipate (DEHA). Thermally conductive material produced according to one or more embodiments of the present invention may also be extruded or formed to create thermally conductive tubing and/or sheets.

Thermally conductive materials and tubing, and applications thereof
11639456 · 2023-05-02 · ·

The present invention relates to thermally conductive materials, including, for instance, thermally conductive tubing and thermally conductive apparel, and applications thereof. In particular, the invention relates to thermally conductive tubing that can used in thermoregulatory apparel, such as, for example, cooling garments and cooling vests. In at least one embodiment, the present invention includes a thermally conductive material made from one or more base polymers and one or more additives that increase the thermal conductivity of the thermally conductive material relative to the one or more base polymers. The base polymer may include, for example, ethylene vinyl acetate (EVA), and the additive may include, for example, graphite fibers. The thermally conductive material may also include, for instance, a secondary polymer, such as ethylene propylene diene monomer (EPDM) and/or a plasticizer, such as bis(2-ethylhexyl) adipate (DEHA). Thermally conductive material produced according to one or more embodiments of the present invention may also be extruded or formed to create thermally conductive tubing and/or sheets.

POLYVINYL ACETAL RESIN FILM

A polyvinyl acetal resin film, having an average surface roughness Rz of at least one surface of 3.0 μm or less; a birefringence Δn of 3.0×10.sup.−4 or less; and an average thickness of 200 μm or less.

POLYVINYL ACETAL RESIN FILM

A polyvinyl acetal resin film, having an average surface roughness Rz of at least one surface of 3.0 μm or less; a birefringence Δn of 3.0×10.sup.−4 or less; and an average thickness of 200 μm or less.