Low Surface Energy Properties of Smectic Fluorinated Block Copolymer/SEBS Blends

被引：16
|
作者：
Martinelli, Elisa [1 ]
Fantoni, Chiara [1 ]
Galli, Giancarlo [1 ]
Gallot, Bernard [2 ]
Glisenti, Antonella [3 ]
机构：
[1] Univ Pisa, Dipartimento Chim & Chim Ind, UdR Pisa INSTM, I-56126 Pisa, Italy
[2] CNRS, Lab Mat Organ Proprietes Specif, Vernaison, France
[3] Univ Padua, Dipartimento Sci Chim, Padua, Italy
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2009年 / 500卷
关键词：
block copolymer; fluorinated polymer; mesophase; polymer blend; surface segregation; LIQUID-CRYSTALLINE; FILMS; POLYMERS; COATINGS;
D O I：
10.1080/15421400802713686
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A smectic polystyrene-poly(perfluorooctylethyl acrylate) block copolymer was synthesized by atom transfer radical polymerization and blended with a thermoplastic elastomer SEBS in different compositions. The mesophase structure and transition temperatures were investigated by DSC and WAXD. Thin films of the block copolymer and the blends exhibited large contact angles with both water and n-hexadecane, which resulted in low solid surface tensions. XPS findings at different photoemission angles confirmed the effective surface segregation of the mesogenic chains of the fluorinated polymer block.
引用
收藏
页码：51 / 62
页数：12
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