43 results about "ECTFE" patented technology

A telecommunications cable having a cable core in which each conductor is surrounded by an individual dual layer insulation of an inner layer of flame retardant polyolefin and an outer layer of another material, for example, fluorinated ethylene propylene, MFA, PVDF, ECTFE, PTFE, or foamed PFA.

The invention pertains to a fluoropolymer composition comprising: at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE) [ECTFE polymer]; at least one water-soluble polyelectrolyte [polyelectrolyte (E)]; and at least one antioxidant compound [compound (P)], said composition having improved thermal resistance.

A non-dripping, flame retardant, fluoropolymeric composition comprising: (a) a fluoropolymeric base polymer; (b) at least one char forming agent; and (c) a compatibilizer agent. The fluoropolymeric base polymer is preferably selected from the group consisting of PVDF (polyvinylidene fluoride), ECTFE, poly-ethylene chlorotrifluoroethylene, and ETFE poly-ethylene tetrafluoroethylene. Such compositions are especially useful for appliance wire, aerospace / military wire, cable raceways, blown fiber tubes, fire alarm cables, circuit integrity cables, fiber optic distribution cables & breakout components, heat tracing cable jacket, stage lighting cable, industrial cable, shipboard cable (military & passenger), shielded cable jackets.

Provided is a member for electrophotography, where an elastic layer including a silicone rubber and a release layer including a fluorine resin are bonded sufficiently without any adhesive layer interposed therebetween. The member for electrophotography includes a substrate; an elastic layer including a silicone rubber, on the substrate; and a release layer provided in direct contact with the surface of the elastic layer, where the release layer includes a fluorine resin selected from the group consisting of PFA, FEP, PTFE, ETFE, PCTFE, ECTFE, and PVDF, and the elastic layer undergoes a cohesive failure when the release layer is peeled from the elastic layer in accordance with “Determination of peel strength of bonded assemblies. Part 1: 90 degree peel” specified by the Japanese Industrial Standards (JIS) K 6854-1:1999.

In one embodiment, there is provided a method for producing a sterilized and pyrogen-free bag for storing fluids. The method includes providing a bag comprised of polymeric film and heating the bag to at least approximately 253 degrees Celsius for at least approximately 30 minutes for sterilization and pyrogen removal. The polymeric film is a polymer selected from the group of poly(oxy-1,4-phenylene-oxy-1,4-phenylene-carbonyl-1,4-phenylene) (PEEK); polytetrafluoroethylene (PTFE); a perfluoroalkoxy (PFA) polymer; poly(tetrafluoroethylene-co-perfluoromethyl vinyl ether) (MFA); polyperfluoro(ethylene-co-propylene)(FEP); poly(ethylene-alt-chlorotrifluoroethylene) (ECTFE); poly(ethylene-co-tetrafluoroethylene) (ETFE); poly(vinylidene fluoride) (PDVF); tetrafluoroethylene-co-hexafluoropropylene-co-vinylidene fluoride terpolymer (THV); poly(bisphenol A-co-4-nitrophthalic anhydride-co-1,3-phenylenediamine) (PEI); poly(4-methyl-1-pentene) (PMP); and suitable mixtures thereof.

The invention discloses a high-fire-retardant PPO / ECTFE (polyphenylene oxide / ethylene-chlorotrifluoroethylene) copolymer alloy prepared through an in-situ method and a preparation method thereof. The alloy comprises the following raw materials in parts by weight: 65-95 parts of PPO, 5-35 parts of ECTFE copolymer, 0.01-1 part of initiator and 0.1-10 parts of glycidyl methacrylate, wherein the sum of the parts by weight of the PPO and the parts by weight of the ECTFE copolymer is 100 parts. The PPO / ECTFE alloy has excellent fire retardance and simultaneously has high tensile strength and impact strength, thereby having wide application values in the fields such as chemical engineering, electronics, electric appliances and the like.

The invention discloses an ECTFE melt-blown film and a preparation method thereof. The melt-blown film is composed of ultrafine fibers with a diameter of 0.1 μm to 5 μm, and at least 60% of the melt-blown film has a pore size of 0.3 μm to 0.7 μm. In between, the pore size of less than 20% of the meltblown film is between 0.1 μm and 0.3 μm, and the pore size of less than 20% of the meltblown film is between 0.7 μm and 1.0 μm. The melt-blown film of the present invention has the advantages of high tensile strength, high elongation at break, small average pore size, high filtration precision, and is suitable for high temperature resistance, acid and alkali resistance and corrosion resistance environment.

The invention relates to a polyether ketone ketone composite material capable of replacing metal and a preparation method thereof, belonging to the field of special engineering plastic industries. Thepolyether ketone ketone composite material capable of replacing metal comprises the following raw materials: 100 parts of polyether ketone ketone resin, 10 to 50 parts of fusible fluoroplastic, 10 to50 parts of a filling material, 0.1 to 5 parts of a coupling agent and 0.1 to 3 parts of a cross-linking agent, wherein the fusible fluoroplastic is at least one selected from the group consisting ofFEP, PFA, ECTFE or ETFE. The polyether ketone ketone composite material provided by the invention remains inherent properties like excellent high-temperature resistance, flame retardancy, chemical resistance and heat and humidity resistance and good strength and stiffness of the PEKK resin, and has performances like excellent wear resistance and chemical corrosion resistance, high hardness and light weight; and the preparation method for the polyether ketone ketone composite material is scientific, reasonable, simple and practicable.

The invention provides a high-throughput polymer separation membrane, a preparation method, a diluent composition and an application, and belongs to the technical field of preparation of polymer separation membranes. The invention relates to a method for preparing an ECTFE porous membrane by adopting a two-element diluent through a thermally-induced phase separation method. The method comprises the following steps: with 15 to 70 wt% of an ECTFE polymer and two solvents with a total mass percentage of 30 to 85 wt% as the two-element diluent for preparation of a membrane casting solution, subjecting the ECTFE polymer and two solvents to heating under stirring and carrying out standing and defoaming, or mixing the ECTFE polymer and two solvents through a double screw extruder so as to preparea polymer homogeneous membrane casting solution; scraping the casting solution into a plate shape or into a hollow fiber shape through spinning of a spinning nozzle, then carrying out soaking in a cooling liquid, carrying out quenching, and carrying out curing so as to form a membrane; and soaking the formed film into an extractant, allowing the diluent to be extracted out of the formed membrane,and carrying out drying in the air so as to prepare the ECTFE porous membrane. The invention is characterized by adopting two environment-friendly solvents as the two-element diluent for preparationof the ECTFE porous membrane; the preparation process is simple and has green and environment-friendly process; and the ECTFE porous membrane prepared by using the preparation process provided by theinvention has large throughput which is improved by 1.5 times or above compared with the throughput of the ECTFE porous membrane prepared by using a single diluent.