325 results about "ETFE" patented technology

An apparatus for sterilizing or disinfecting fluids, which comprises a fluid conduit, an ultraviolet light source, which is at least partially within the fluid conduit, and an air drive unit coupled to the fluid conduit. The ultraviolet light source generates an ultraviolet light, which kills microorganisms in the fluid, thus sterilizing or disinfecting the fluid. The air dive unit creates air bubbles in the fluid, such as for fish tanks, fish hatchery ponds, or the like. In accordance with one embodiment of the present invention, the ultraviolet light source comprises an ultraviolet light bulb being surrounded by a protective sleeve. The protective sleeve preferably comprises a UV transmissive material, which may comprise a fluoropolymer material, such as PTFE, FEP, PFA, AF and Tefzel ETFE.

A building component for forming a roof. The component includes an ETFE foil cushion comprising sheets of ETFE foil which are held in a frame about their periphery, and which are inflated. The cushion includes a liquid retaining means to suppress rain noise.

PCT No. PCT / JP98 / 02637 Sec. 371 Date Feb. 18, 1999 Sec. 102(e) Date Feb. 18, 1999 PCT Filed Jun. 16, 1998 PCT Pub. No. WO98 / 58018 PCT Pub. Date Dec. 23, 1998A composition which contains ETFE and PAS in a weight ratio of 5-95 / 5-95, and which further contains an organic onium compound in such a proportion that the weight ratio of the total amount of the above two component polymers and the organic onium compound is 80-99.99 / 0.01-20.

An apparatus for removing hydrogen halide and water from hydrolysates that were obtained by way of halogen-acid hydrolysis from vegetable biomasses, characterized in that: —said apparatus comprises two containers, which are connected to each other by a tube, —at the inlet of the first container two flows are fed, one representing the hydrolysates and the other a heat transfer medium, which dissolves in the hydrolysate only to an economically justifiable extent (no additional process steps due to potential contamination during mixing), or enriches matter therefrom, —both flows are sprayed together in the first container, thereby producing a homogeneous mixing of the two flows, including heat transfer, which subsequently results in complete evaporation of water and the hydrogen halide dissolved in the hydrolysates, —the evaporation produces a mixture of granular solid bodies and heat transfer medium droplets, which is pulled from the first container into the second container via the connecting tube by way of a pressure gradient, —the second container is configured as a cyclone or centrifugal force precipitator, and a separation of liquid (heat transfer medium droplets) and solid constituents (granular solid bodies) from the gas flow takes place. An apparatus, characterized in that the second container (here: cyclone) on the inside wall may be lined with polyvinylchloride [PVC] (hard), PVC (chlorinated), polyethylene (PE), polypropylene (PP), polybutylene (PB), polytetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF), polyvinyl fluoride (PVF), ethylene-propylene-diene rubber (EPDM), ethylene-propylene copolymer, ethylene-tetrafluoroethylene (ETFE), perfluoro-ethylene-propylene plastic (FEP), fluoropolymer plastics (FPM and FKM=group designation), perfluoro trifluoroethylene (PCTFE), perfluorinated rubber (FFPM and FFKM), butyl robber (HR), isoprene rubber (IR), chlorinated polyethylene (PE-C) and rubber (collective term for rubbers containing sulfur) and copolymers and mixtures thereof from said polymers, or comprises them.

To provide a fluororesin film on which no bubble streaks are formed even when it contains a sufficient amount of titanium oxide, in which deterioration of the fluororesin is suppressed, and which has a low transmittance of ultraviolet light at a wavelength of at most 360 nm and has excellent weather resistance and heat resistance, a method of its use, a backsheet for a solar cell module, and a solar cell module.A fluororesin film containing an ethylene / tetrafluoroethylene copolymer as the main component, to be used for an outermost layer of a backsheet of a solar cell module, which contains specific titanium oxide composite particles and has an arithmetic mean roughness Ra of the film surface to be in contact with the air of at most 3 μm, and a method of its use. Further, a backsheet 1 comprising a laminate having a fluororesin film 11, and a solar cell module comprising the backsheet.

A lubricant molded body, which is to be applied to a surface of a photosensitive layer for electrophotography in an image forming apparatus, for example, is composed of at least two kinds of higher fatty acid metallic salts having respectively different carbon numbers. As the higher fatty acid metallic salt that forms lubricant molded body, compounds such as zinc stearate, calcium stearate, barium stearate, aluminum stearate, zinc laurate, calcium laurate, etc. may be recited. The higher fatty acid metallic salts may contain at least one kind of fillers selected from the group consisting of silica, alumina, tungsten disulfide, molybdenum disulfide, graphite fluoride, graphite, boron nitride, polytetrafluoroethylene (PTFE), ethylene tetrafluoroethylene (ETFE), and polyvinylidene fluoride (PVDF).

The invention relates to the solar cell manufacture field, specifically relating a preparation method of a solar cell assembly and a prepared solar cell assembly by utilizing the preparation method. Since in the preparation method of the invention, tetrafluoro cloth is provided on a panel glue film, then lamination technology is carried out, a surface of the tetrafluoro cloth has uniform consistent fiber lines and particles, thus in a lamination process of laminated layers, the tetrafluoro cloth can effectively control flow of a second layer packaging glue film (which is an upper packaging glue film), a problem that fold is generated on the panel glue film (such as an ETFE film) is eliminated, and a problem that a bubble is generated in the solar cell assembly is avoided. The prepared solar cell assembly by utilizing the preparation method has no fold on a surface, thus appearance and aging resistance properties of the assembly are in accordance with requirements of standards of IEC61215, IEC61730, UL1703 and the like.

The invention relates to a novel film, membrane or powder media made from fluoropolymers, especially PVDF-based and ETFE-based polymers, which are suitable for separating gases, especially carbon dioxide, from a gas mixture. The novel film has good selectivity, high permeance, good mechanical properties, and exhibits a high resistance to oxidant and acid attack. The separation film is especially useful in harsh and corrosive environments.

The invention relates to the use of a polymer composite (1, 1'), comprising a backing material (3, 3'), selected from the group made up of polyethylene terephthalate (PET), polyethylene naphthenate (PEN) and ethylene-tetrafluoroethylene copolymer (ETFE), and layers of nylon 12 (2, 2', 4, 4') adjacent to the backing material on both sides, for producing photovoltaic modules.

The present invention provides a lining member in which an ETFE is used and which shows good adhesion and can show a reduction in coating film defects. An ETFE-lining member comprising a substrate, a primer layer and a surface layer laminated in this order, wherein said substrate comprises a metal or a ceramic, said primer layer comprises an ETFE (A) and a binder component, and said surface layer comprises an ETFE (B) having fluorine content higher than that of the ETFE (A).

A building component for forming a roof. The component includes an ETFE foil cushion comprising sheets of ETFE foil which are held in a frame about their periphery, and which are inflated. The frame includes a release mechanism for releasing the cushion from the frame, for example, in the event of a fire.

The invention discloses a preparation method of an ethylene-tetrafluoroethylene (ETFE) copolymer with high thermal stability. The preparation method comprises the following steps: based on weight parts, adding 500 to 1000 parts of solvent, 4 to 8 parts of liquid-phase monomer, 0.5 to 1.5 parts of chain transferring agent and 0.05 to 5 parts of ethyl trifluoromethanesulfonate into a reaction kettle; introducing a first mixed monomer of tetrafluoroethylene and ethylene to raise the pressure of the reaction kettle to 10 to 20bar; then adding 0.1 to 1 part of initiator and carrying out polymerization reaction at 40 to 80 DEG C; after the polymerization reaction is started, additionally adding a second mixed monomer of the tetrafluoroethylene and the ethylene and keeping the pressure of the reaction kettle at 10 to 20bar; when additionally adding the second mixed monomer to 20 to 100 parts, finishing the polymerization reaction; drying obtained slurry containing the ETFE to obtain an ethylene-tetrafluoroethylene product with the high thermal stability. The preparation method disclosed by the invention has the advantages of simple technology, great operation elasticity, good product performance and wide application field.