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Development of fiberglass/PTFE membrane structure materials

As people on architectural form and beauty, as well as the safety, energy saving, membrane structure material (hereinafter referred to as the membrane material) as a new type of space structure material, with its light and beautiful, pervious to light the advantages of energy saving, safe and durabl[……]

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Analysis of thermal expansion properties of PTFE matrix composites

PTTE (polytetrafluoroethylene) and its composites as excellent self-lubrication material both in industry and aerospace fields are widely used, the thermal expansion characteristics and linear expansion coefficient as a very important physical parameters on the products design and use effect is larg[……]

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PTFE PDMS/PVDF composite membrane preparation and pervaporation properties

Organic wastewater containing halogen is difficult to degrade organics, the common characteristics of these pollutants is toxic, complex components, high chemical oxygen demand, the general microbial almost no degradation effect to its, if these substances without governance to environmental emissio[……]

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Manufacturing, application and development of PTFE/Teflon coated fiber glass fabric

PTFE/Teflon coated fiber glass fabric is made of glass fiber cloth as the substrate, impregnated with PTFE dispersion. Impregnated fiberglass cloth surface, coated with a thin layer of fluororesin small particles, and then through the drying, baking, sintering and other processes, the dispersion of[……]

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Effect of Adhesive Teflon Emulsion on Properties of Gas Diffused Electrode Prepared by Ethanol Pretreatment

With manganese dioxide as catalyst, activated carbon as catalyst support, teflon as the binder of gas diffusion electrode is a three-phase reaction groove electrode interface. Mainly used in alkaline metal air batteries, for the reduction of oxygen to provide a reaction site. With the increased dema[……]

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Study on Modified Polytetrafluoroethylene Composites Filled with Inorganic Nanoparticles

Polytetrafluoroethylene (PTFE) has excellent antifriction and self lubrication, but dimension stability is poor, the poor wear resistance, usually adopts the micron grade graphite, molybdenum disulfide, copper powder, glass fiber and other inorganic particles are filled and modify PTFE. Micron struc[……]

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The application of PTFE fiber

Filtering material

PTFE fiber has an important role in high temperature flue gas filtration. With PTFE fiber or PTFE fibers mixed with other high-temperature resistant fibers, can be made from high-temperature composite filter carpet, this filter has good corrosion resistance, heat resistance, fr[……]

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Preparation technology of PTFE fiber

Carrier spinning method
Wet spinning
Wet spinning of PTFE usually in viscose or polyvinyl alcohol (PVA) as the carrier, mix with PTFE powder or emulsion dispersion, and add a small amount of boric acid, make spinning solution , perform wet spinning, spinning head placed in sodium sulfate and ammon[……]

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Structure and performance of PTFE fiber

PTFE is linear polymer fluoride, it is a kind of highly symmetric nonpolar polymer compound, its structure is linear macromolecule structure, spiral and molecular chain conformation. According to the apparent color different, PTFE fiber can be divided into the brown and white fiber two kinds. Brown[……]

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PTFE material in the application of high temperature resistant filter material

The development situation of filter material with PTFE material
PTFE material was put into commercial production in the 1940 s, named “Teflon”. Its products are diverse, used for high temperature filter material of PTFE fiber and microporous membrane, liquid impregnation. PTFE has three varieties o[……]

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