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ETHYLENE OXIDE POLYMERS

Poly(oxyethylene) resins. See Poly(ethylene oxide) polymers. [Pg.791]

Poly(ethylene oxide)s [25372-68-3] are made by condensation of ethylene oxide with a basic catalyst. In order to achieve a very high molecular weight, water and other compounds that can act as chain terminators must be rigorously excluded. Polymers up to a molecular weight of 8 million are available commercially in the form of dry powders (27). These must be dissolved carefliUy using similar techniques to those used for dry polyacrylamides. Poly(ethylene oxide)s precipitate from water solutions just below the boiling point (see Polyethers, ethylene oxide polymers). [Pg.33]

Fig. 3. Solution viscosity vs concentration for ethylene oxide polymers (10). The molecular weight of the polymer is indicated on each curve. The dependence of the intrinsic viscosity [Tj] on molecular weight M for these polymers can be expressed by the Mark-Houwink relationship ... Fig. 3. Solution viscosity vs concentration for ethylene oxide polymers (10). The molecular weight of the polymer is indicated on each curve. The dependence of the intrinsic viscosity [Tj] on molecular weight M for these polymers can be expressed by the Mark-Houwink relationship ...
In 1958 the Union Carbide Corporation introduced high molecular weight, highly crystalline ethylene oxide polymers under the trade name Polyox. Although similar in appearance to polyethylene they are miscible with water in all proportions at room temperature. [Pg.547]

Table 19.5 Some properties of a medium-high molecular weight ethylene oxide polymer ... Table 19.5 Some properties of a medium-high molecular weight ethylene oxide polymer ...
Acid chlorides, 10 485 23 649 Acid chloride zinc plating, 9 828t Acid cleaners, ethylene oxide polymers in, 10 689... [Pg.8]

Assets, identifying functions of, 15 476 Association complexes, ethylene oxide polymer, 10 682... [Pg.75]

Biomass Research and Development Initiative iolnitiative), 24 192 Biomaterial coatings, ethylene oxide polymers in, 70 688 Biomaterials, 3 707-709. See also Biomaterials, prosthetics, and biomedical devices bioresorbable polymers, 3 735-740... [Pg.102]

Biomedical applications cellulose esters, 5 407-408 for ethylene oxide polymers, 10 686-688 for high performance fibers,... [Pg.103]

Drift/mist control, ethylene oxide polymers in, 10 689... [Pg.289]

Ethylene oxide (ETO), 20 555, 596, 632-673 12 62 24 268. See also Ethylene oxide polymers anionic or cationic reactions of,... [Pg.335]

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See also in sourсe #XX -- [ Pg.44 , Pg.115 ]



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