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142 Advances in Polymer Science Editorial Board: A. Abe. A.-C ...

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140 K. Ito, S. Kawaguchi<br />

type star polymers, and block copolymerization of 8 and 15 produced a Janustype<br />

or two-faced star polymer.<br />

(15)<br />

(16a)<br />

(16b)<br />

<strong>Polymer</strong>ization of ethylene oxide with an acetal-protected alkoxide afforded<br />

a-aldehyde-w-methacryloyl PEO macromonomer, 17, after term<strong>in</strong>ation with<br />

methacrylic anhydride followed by acid hydrolysis [24].<br />

(17)<br />

Epoxide-term<strong>in</strong>ated PEO macromonomer, 18 [25], and a mesogen-substituted<br />

PEO macromonomer, 19 [26], have been prepared and polymerized to liquid<br />

crystall<strong>in</strong>e comb polymers.<br />

(18)<br />

(19)

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