A curing agent method to synthesize ordered mesoporous carbons from linear novolac phenolic resin polymers

被引：37

作者：

Huang, Yan ^{[1
]}

Yang, Jianping ^{[1
]}

Cai, Huaqiang ^{[1
]}

Zhai, Yunpu ^{[1
]}

Feng, Dan ^{[1
]}

Deng, Yonghui ^{[1
]}

Tu, Bo ^{[1
]}

Zhao, Dongyuan ^{[1
]}

机构：

[1] Fudan Univ, Adv Mat Lab, Key Lab Mol Engn Polymers,Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2009年 / 19卷 / 36期

关键词：

COPOLYMER; THERMOSETS; FRAMEWORKS; BLENDS; SILICA; ENERGY; ROUTE;

D O I：

10.1039/b908183f

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：

In this paper, we report a curing agent method for the synthesis of ordered mesoporous carbonaceous materials from a linear polymer precursor. 3-D Body-centered cubic (Im (3) over barm) and 2-D hexagonal (p6mm) ordered mesoporous carbons have been obtained from the blends of hexamethyltetramine (HMTA) treated novolac precursor and amphiphilic triblock copolymers Pluronic F127 and PEO-PBO-PEO B50-6600 via the EISA strategy. The mesoporous carbons have a 3-D carbonaceous framework with low nitrogen content, and uniform mesopores (3.3-3.8 nm), BET surface areas (similar to 690 m(2)g(-1)) and pore volumes (similar to 0.49 cm(3)g(-1)). The key to the synthesis is the use of HMTA as a curing agent to cross-link novolac precursors obtained under acidic conditions. Methylene released by HMTA at elevated temperature can cause the linear novolac 3-D cross-linking to form a thermosetting polymeric framework. The curing agent strategy extends the composition of mesoporous polymeric frameworks.

引用

页码：6536 / 6541

页数：6

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