Telechelic Polyphosphazenes: Reaction of Living Poly(dichlorophosphazene) Chains with Alkoxy and Aryloxy Phosphoranimines
作者:Harry R. Allcock、Eric S. Powell、Andrew E. Maher、Robbyn L. Prange、Christine R. de Denus
DOI:10.1021/ma030554x
日期:2004.5.1
ditelechelic polyphosphazenes via the living, cationic polymerization of phosphoranimines has been developed. This process provides access to phosphazene block, comb, and graft copolymers that contain organic or organosilicon macromolecules. Several alkoxy and aryloxy phosphoranimines, RO(CF3CH2O)2PNSiMe3 (R = Ph, MeOPh, C10H7, BOC−NH−CH2CH2, t-BuMe2SiO(CH2)5, C8H11, and CH2CH−C6H4), were synthesized via the
已经开发了一种对方法的改进,该方法用于通过磷酸亚胺的活性阳离子聚合来合成定义明确的单-和双-telechelic聚磷腈。该方法提供了含有有机或有机硅大分子的磷腈嵌段,梳形和接枝共聚物的途径。几种烷氧基和芳氧基磷酰胺,RO(CF 3 CH 2 O)2 P NSiMe 3(R = Ph,MeOPh,C 10 H 7,BOC-NH-CH 2 CH 2,t- BuMe 2 SiO(CH 2)5, C 8 H 11和CH 2CH-C 6 H 4)是通过溴代磷酰胺胺与适当的醇钠或氧化芳基之间的反应合成的。这些物质是潜在的引发剂或终止剂,可用于合成具有醚键而不是先前使用的氨基键的远螯聚磷腈。通过终止活性聚(二氯磷腈)链[Cl 3 P N-(Cl 2 P N ),制备了双telechelic聚合物RO [(CF 3 CH 2 O)2 P N] n -P(OCH 2 CF 3)3 OR。)n -PCl 3 ]