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TETRAFLUOROETHYLENE POLYMER

S. V. Gangal, "Tetrafluoroethylene Polymers, Tetrafluoroethylene—Hexafluoropropylene Copolymers," inj. I. Kroschwitz, ed., Enjclopedia of Polymer S cience and Engineering 2nd ed., Vol. 16, John Wiley Sons, Inc., New York, 1989, pp. 601—613. [Pg.363]

Copolymeis of ethylene [74-85-1] and tetiafluoioethylene [116-14-3] (ETFE) have been alaboiatory curiosity for more than 40 years. These polymers were studied in connection with a search for a melt-fabricable PTFE resin (1 5) interest in them fell with the discovery of TFE—HFP (FEP) copolymers (6). In the 1960s, however, it became evident that a melt-fabricable fluorocarbon resin was needed with higher strength and stiffness than those of PTFE resins. Earlier studies indicated that TFE—ethylene copolymers [11939-51 -6] might have the right combination of properties. Subsequent research efforts (7) led to the introduction of modified ethylene—tetrafluoroethylene polymer [25038-71-5] (Tefzel) by E. I. du Pont de Nemours Co., Inc, in 1970. [Pg.365]

Liquid polyalurninum chloride is acidic and corrosive to common metals. Suitable materials for constmction of storage and handling facilities include synthetic mbber-lined steel, corrosion resistant fiber glass reinforced plastics (FRP), ceramics, tetrafluoroethylene polymer (PTFE), poly(vinyhdene fluoride) (PVDF), polyethylene, polypropylene, and poly(vinyl chloride) (PVG). Suitable shipping containers include mbber-lined tank tmcks and rail cars for bulk shipment and plastic-lined or aH-plastic dmms and tote bins for smaller quantities. Except for aluminum chlorohydrates, PAG products are shipped as hazardous substances because of their acidity. [Pg.180]

Group V. Fluorocarbon Resins Tetrafluoroethylene polymer (micronized) 0.11 0.11 670 570t 1 ... [Pg.525]

Tetrafluoroethylene polymer has the lowest coefficient of friction of any solid. It has remarkable chemical resistance and a very low brittleness temperature (— 100°C). Its dielectric constant and loss factor are low and stable across a broad temperature and frequency range. Its impact strength is high. [Pg.1285]

Gangal SV (1989) Tetrafluoroethylene polymers. In Mark HF, Bikales NM, Overberger CG, Menges G (eds) Encyclopedia of polymer science and engineering, vol 16. Wiley, New York, p 577... [Pg.309]

Figure 8.1. Visual observations of melting, dissolution, and reciystallization of tetrafluoroethylene polymer-solvent mixtures. Figure 8.1. Visual observations of melting, dissolution, and reciystallization of tetrafluoroethylene polymer-solvent mixtures.
Apparatus Use 125-mL glass-stoppered separators equipped with tetrafluoroethylene polymer stopcocks or other suitable stopcocks that will not contaminate the solvents. [Pg.292]

TETRAFLUOROETHYLENE POLYMERS see TAI250 TETRAFLUORO HYDRAZINE see TCIOOO TETRAFLUOROMETHANE see CBY250 TETRAFLUOROMETHANE pOp see CBY250... [Pg.1904]

Use Refrigerant, low-temperature solvent, fluorocarbon resins, especially tetrafluoroethylene polymers. [Pg.280]

Polymeric substrate materials in use include highly filled phenolic and epoxy resins for rigid printed circuit boards, polyimides and polyesters for circuit substrates as well as for more general applications, special foamed poly(tetrafluoroethylene) polymers and copolymers, foamed composite materials of the latter, special epoxy fiberglass composites, and polyimide support layers for TAB. In addition, epoxies and silicone polymers are used increasingly in applications as encapsulants, as humidity and environmental barriers within packages, and as packaging materials themselves. [Pg.12]

Fig. 2. Kinetics of TFE polymerization on 7-irradiated poly (tetrafluoroethylene) (polymer sample weight c/q- 0.01 g, [R] = 4.5 1017 cm-3 TFE pressure 418 mmHg T= 102 °C)... Fig. 2. Kinetics of TFE polymerization on 7-irradiated poly (tetrafluoroethylene) (polymer sample weight c/q- 0.01 g, [R] = 4.5 1017 cm-3 TFE pressure 418 mmHg T= 102 °C)...
PERSONAL PROTECTION wear full protective clothing and chemical-resistant gloves constructed from tetrafluoroethylene polymer wear chemical safety goggles wear self-contained breathing apparatus. [Pg.139]

One commonly used approach is to make composites, which incorporate poly(imide) resins along with the fluoropolymers. Typically such insulation is based on poly(imide) films, such as Kapton , which are coated or laminated-over with tetrafluoroethylene polymers. ... [Pg.195]

CAS 9002-84-0 EINECS/ELINCS 204-126-9 Synonyms Poly (ethylene tetrafluoride) Polytef Polytetrafluoroethene Polytetrafluoroethylene resin PTFE (INCI) Tetrafluoroethene homopolymer Tetrafluoroethylene polymer Tetrafluoroethylene polymers Tetrafluoroethylene resin Classification Thermoplastic homopolymer Definition Polymer of tetrafluoroethylene Emprkal (CiF,),... [Pg.1305]

Tetrafluoroethene homopolymer Tetrafluoroethylene polymer Tetrafluoroethylene polymers Tetrafluoroethylene resin Ciassification Thermoplastic homopolymer Definition Polymer of tetrafluoroethylene Empiricai (C2p4)x Formuia [CF2CF2]x, x 20,000 Properties Wh. translucent to opaque solid m.w. 400,000-9,000,000 dens. 2.2 useful temp, range cryogenic to 260 C melts to vise, gel 327 C Shore hardness 55-56 tens. str. 3500-4500 psi elong. 200-300% ( break) chem. inert exc. thermal/chem. resist. lowcoeff. of friction high elec, insulation nonflamm. [Pg.3581]

Tetrafluoroethylene polymer Tetrafluoroethylene polymers. See Polytetraf I uoroethylene Tetrafluoroethylene/propylene copolymer Synonyms Tetrafluoroethylene/propylene terpolymer... [Pg.4364]

See other pages where TETRAFLUOROETHYLENE POLYMER is mentioned: [Pg.26]    [Pg.663]    [Pg.336]    [Pg.512]    [Pg.158]    [Pg.5]    [Pg.491]    [Pg.512]    [Pg.1035]    [Pg.10]    [Pg.242]    [Pg.1207]    [Pg.440]    [Pg.139]    [Pg.336]    [Pg.1378]    [Pg.276]    [Pg.888]    [Pg.5414]    [Pg.401]    [Pg.77]    [Pg.307]    [Pg.5417]    [Pg.5460]    [Pg.5479]   


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Tetrafluoroethylene

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