END-FUNCTIONALIZED POLYMERS .1. SYNTHESIS AND CHARACTERIZATION OF PERFLUOROALKYL-TERMINATED POLYMERS VIA CHOROSILANE DERIVATIVES

被引:103
作者
HUNT, MO [1 ]
BELU, AM [1 ]
LINTON, RW [1 ]
DESIMONE, JM [1 ]
机构
[1] UNIV N CAROLINA,DEPT CHEM,VENABLE & KENAN LABS,CB 3290,CHAPEL HILL,NC 27590
关键词
D O I
10.1021/ma00070a020
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Surface-active, perfluoroalkyl-terminated block copolymers were synthesized and characterized. These heterophase block copolymers were made by terminating a variety of living anionic polymerizations with a chlorosilane derivative containing a perfluoroalkyl group. This synthetic methodology was successfully applied to the anionic polymerization of styrene and 1,3-dienes. Perfluoroalkyl-terminated poly(olefin)s were obtained via hydrogenation of the unsaturated poly(diene) materials. Excellent control of the molar mass, molar mass distribution, and functionality was verified using conventional characterization techniques such as gel permeation chromatography, NMR, and elemental analysis. In addition, time-of-flight secondary ion mass spectrometry (TOF-SIMS) was employed to characterize the absolute molar masses and molar mass distributions and also the extent of functionalization.
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页码:4854 / 4859
页数:6
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