POSS-based Diblock Fluoropolymer for Self-assembled Hydrophobic Coatings

被引：8
|
作者：
Pan, Aizhao [1 ]
He, Ling [1 ]
Wang, Liang [2 ]
Xi, Na [2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Sci, Dept Chem, Xian 710049, Peoples R China
[2] Emperor Qin Terra Cotta Warriors & Horses Museum, Key Sci Res Base Ancient Polychrome Pottery Conse, Xian 710600, Peoples R China
来源：
MATERIALS TODAY-PROCEEDINGS | 2016年 / 3卷 / 02期
关键词：
POSS-based fluoropolymer; Star/linear-shaped blockpolymer; Solvent effects; Self-assembled micelles; Surface wetability and viscoelasticity; Hydrophobic coatings; POLYHEDRAL OLIGOMERIC SILSESQUIOXANE; HYBRID POLYMERS; COPOLYMERS; SURFACE; POLYMERIZATION; NANOCOMPOSITES; CHEMISTRY; FILM;
D O I：
10.1016/j.matpr.2016.01.077
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Linear/star-shaped polyhedral oligomeric silsesquioxane (POSS)-based fluorinated diblock copolymers are synthesized by octakis(dibromoethyl)-POSS (POSS-(Br)(16)) and aminopropylisobutyl-POSS (ap-POSS) initiating methylmethacrylate (MMA) and dodecafluoroheptylmethacrylate (DFHM), respectively. The effect of solvents on their self-assembled micelles, surface wetability and viscoelasticity of casted films, and the hydrophobic application are characterized. In THF, CHCl3 and dimethyl carbonate (DMC) solutions, the self-assembled micelles of star-shaped s-POSS-(PMMA-b-PDFHM)(16) are larger than linear-shaped ap-POSS-PMMA-b-PDFHM. CHCl3-casted surface gains the highest roughness, fluoride content, water contact angles, but the lowest water adsorption and viscoelasticity. CHCl3-micelles exhibit superhydrophobicity to stone and cotton fiber substrates. Therefore, POSS-based fluoropolymer is hoped to act as hydrophobic coatings. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：325 / 334
页数：10
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