SBA-15 filled polybenzoxazine nanocomposites for low-k dielectric applications

被引：121

作者：

Vengatesan, M. R. ^{[1
]}

Devaraju, S. ^{[1
]}

Dinakaran, K. ^{[2
]}

Alagar, M. ^{[1
]}

机构：

[1] Anna Univ, Dept Chem Engn, Madras 600025, Tamil Nadu, India

[2] Anna Univ, Dept Chem, Madras 600044, Tamil Nadu, India

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 15期

关键词：

MESOPOROUS SILICA FILMS; POLYHEDRAL OLIGOMERIC SILSESQUIOXANE; POLYIMIDES; BENZOXAZINE; CONSTANTS; ORGANOSILICATES; MICROSTRUCTURE; POLYMERIZATION; DIAMINE;

D O I：

10.1039/c2jm16566j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Low dielectric polybenzoxazine nanocomposites (SBA-15/PBZ) containing mesoporous silica (SBA-15) were successfully synthesized, using benzoxazine functionalized SBA-15 (BZ/SBA-15) and benzoxazine monomer, through thermal ring opening polymerization. SBA-15 was functionalized with benzoxazine functional silane via grafting method. The benzoxazine functionality in BZ/SBA-15 was confirmed by FT-IR, C-13 CPMAS, Si-29 CPMAS NMR, XPS, TGA and nitrogen porosimetry analysis. By increasing the amount of BZ/SBA-15, the SBA-15/PBZ nanocomposites possess higher T-g and good thermal stability. 7.5 Wt % of BZ/SBA-15 reinforced polybenzoxazine nanocomposite possesses an ultra-low dielectric constant of 1.75 at 1 MHz.

引用

页码：7559 / 7566

页数：8

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