content_image/895315.jpg content_image/895317.jpg content_image/895319.jpg content_image/895321.jpg
isopropyl alcohol for precipitation. The precipitated white solid was collected by filtration and vacuum dried at 60° C., yielding Polymer 7. Polymer 7 was analyzed for composi› tion by $^{13}$C- and $^{1}$H-NMR and for Mw and Mw/Mn by GPC. 

<img src='content_image/895315.jpg'>

[0206] Comparative Polymer 1 was obtained by the same procedure as in Synthesis Example 2-1 except that Monomer 1 was omitted. Comparative Polymer 1 was analyzed for composition by $^{13}$C- and $^{1 }$H-NMR and for Mw and Mw/Mn by GPC. 

<img src='content_image/895317.jpg'>

[0207] Comparative Polymer 2 was obtained by the same procedure as in Synthesis Example 2-1 except that 2-(dim› ethylamino)ethyl methacrylate was used instead of Mono› mer 1. Comparative Polymer 2 was analyzed for composi› tion by $^{13}$C- and $^{1}$H-NMR and for Mw and Mw/Mn by GPC. 

<img src='content_image/895319.jpg'>

[0208] Comparative Polymer 3 was obtained by the same procedure as in Synthesis Example 2-4 except that Monomer 4 was omitted. Comparative Polymer 3 was analyzed for composition by $^{13}$C- and $^{1}$H-NMR and for Mw and Mw/Mn by GPC. 

<img src='content_image/895321.jpg'>

