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2-Ethoxyethyl vinyl ether

Because the transition state of electrophilic addition is rather open or only very weakly bridged, the stereoselectivity is poor, resulting in primarily atactic polymers. Polystyrene and most poly(vinyl ether)s prepared cationically at ambient temperature are atactic with similar proportions of meso and racemic dyads [243,244]. However, meso addition is slightly preferred with vinyl ethers, and varies from 60 to 70% for most monomers, including isobutyl, neopentyl, n-butyl, and ethoxyethyl vinyl ethers [245]. It is higher with benzyl vinyl ether (89%). This tendency to... [Pg.210]

Figure 8 (66) shows the typical viscosity changes of a poly[2-(2-ethoxy)ethoxyethyl vinyl ether]-b-poly(methox-yethyl vinyl ether) [(EOEOVE)2oo- -MOVE4oq] solution upon temperature increase. Poly(EOEOVE) exhibits a phase separation temperature of 40°C, whereas polyMOVE shows a transition temperature of 70° C. In the block copolymer solution, the transparent solution forms a clear gel at 40°C,... [Pg.291]

ABC terpolymers bearing three different VE monomers have been synthesized using the sequential monomer addition pathway. A very interesting recent example is the nonionic triple-hydrophilic poly(2-ethoxyethyl vinyl ether)-l -poly (2-methoxyethyl vinyl ether)-l -poly[(2-ethoxy)ethoxyethyl vinyl ether] (PEOVE-PMOVE-PEOEOVE). It was synthesized... [Pg.466]

Poly[2-(2-ethoxy)ethoxyethyl vinyl ether-6-(2-methoxyethyl vinyl ether)] deuterium oxide deuterium oxide water 20060SA 2010SH1 20060SA... [Pg.570]

Poly [2-(2-ethoxy)ethoxyethyl vinyl ether] water 2005MA2... [Pg.295]

Scheme 1 Phase separation of thermoresponsive polymers in water [photographs poly(2-ethoxyethyl vinyl ether) in water (200 mer, 1 wt% aq.)] and schematic illustration for the mechanism... Scheme 1 Phase separation of thermoresponsive polymers in water [photographs poly(2-ethoxyethyl vinyl ether) in water (200 mer, 1 wt% aq.)] and schematic illustration for the mechanism...
Although thermosensitive hydrogels formed from aqueous solution of poly(N-isopropylacrylamide) (PNIPAM), poly(2-ethoxyethyl vinyl ether)- -poly(2-methoxyethyl vinyl ether) (PEOVE-fc-PMOVE) and poly(ethylene oxide)-fc-poly(propylene oxide)-fc-poly(ethylene oxide) (PEO-f>-PPO-i -PEO)... [Pg.38]

See other pages where 2-Ethoxyethyl vinyl ether is mentioned: [Pg.79]    [Pg.67]    [Pg.232]    [Pg.294]    [Pg.1286]    [Pg.709]    [Pg.174]    [Pg.30]    [Pg.30]    [Pg.642]    [Pg.30]    [Pg.30]    [Pg.649]    [Pg.855]    [Pg.855]    [Pg.855]    [Pg.855]    [Pg.855]    [Pg.855]    [Pg.855]    [Pg.855]    [Pg.67]    [Pg.170]   
See also in sourсe #XX -- [ Pg.210 ]



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1-ethoxyethyl

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