Periodic mesoporous silicas via templating of new triblock amphiphilic copolymers

Chi Feng Lin; Hong Ping Lin; Chung Yuan Mou; Shiuh Tzung Liu

doi:10.1016/j.micromeso.2005.11.034

Periodic mesoporous silicas via templating of new triblock amphiphilic copolymers

Chi Feng Lin, Hong Ping Lin, Chung Yuan Mou, Shiuh Tzung Liu

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

By using atom transfer radical polymerization method, triblock copolymers [(MA)_x(EO)₇₇(MA)_x] (MA = methyl acrylate) with the hydrophilic chain (PEO) in the center part of the polymers were prepared in a narrow molecular weight distribution. Thus the hydrophilic-hydrophobic portion of the copolymer can be fine-tuned, which provides the use of these polymers as structure directing agents to synthesize highly ordered hexagonal mesoporous silicas. Under acidic conditions, polymers of [(MA)_x(EO) ₇₇(MA)_x] (x = 33-70) provided the synthesis of a 2D hexgonal array of mesopores in uniform orderness.

Original language	English
Pages (from-to)	151-155
Number of pages	5
Journal	Microporous and Mesoporous Materials
Volume	91
Issue number	1-3
DOIs	https://doi.org/10.1016/j.micromeso.2005.11.034
Publication status	Published - Apr 15 2006
Externally published	Yes

Keywords

Mesoporous silica
Polymerization
Triblock copolymer

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics
Mechanics of Materials

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10.1016/j.micromeso.2005.11.034

Cite this

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title = "Periodic mesoporous silicas via templating of new triblock amphiphilic copolymers",

abstract = "By using atom transfer radical polymerization method, triblock copolymers [(MA)x(EO)77(MA)x] (MA = methyl acrylate) with the hydrophilic chain (PEO) in the center part of the polymers were prepared in a narrow molecular weight distribution. Thus the hydrophilic-hydrophobic portion of the copolymer can be fine-tuned, which provides the use of these polymers as structure directing agents to synthesize highly ordered hexagonal mesoporous silicas. Under acidic conditions, polymers of [(MA)x(EO) 77(MA)x] (x = 33-70) provided the synthesis of a 2D hexgonal array of mesopores in uniform orderness.",

keywords = "Mesoporous silica, Polymerization, Triblock copolymer",

author = "Lin, {Chi Feng} and Lin, {Hong Ping} and Mou, {Chung Yuan} and Liu, {Shiuh Tzung}",

note = "Funding Information: This work was supported by National Science Council and Ministry of Education (Area of Excellence program), Taiwan, ROC for the financial support. ",

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doi = "10.1016/j.micromeso.2005.11.034",

language = "English",

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pages = "151--155",

journal = "Microporous and Mesoporous Materials",

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T1 - Periodic mesoporous silicas via templating of new triblock amphiphilic copolymers

AU - Lin, Chi Feng

AU - Lin, Hong Ping

AU - Mou, Chung Yuan

AU - Liu, Shiuh Tzung

N1 - Funding Information: This work was supported by National Science Council and Ministry of Education (Area of Excellence program), Taiwan, ROC for the financial support.

PY - 2006/4/15

Y1 - 2006/4/15

N2 - By using atom transfer radical polymerization method, triblock copolymers [(MA)x(EO)77(MA)x] (MA = methyl acrylate) with the hydrophilic chain (PEO) in the center part of the polymers were prepared in a narrow molecular weight distribution. Thus the hydrophilic-hydrophobic portion of the copolymer can be fine-tuned, which provides the use of these polymers as structure directing agents to synthesize highly ordered hexagonal mesoporous silicas. Under acidic conditions, polymers of [(MA)x(EO) 77(MA)x] (x = 33-70) provided the synthesis of a 2D hexgonal array of mesopores in uniform orderness.

AB - By using atom transfer radical polymerization method, triblock copolymers [(MA)x(EO)77(MA)x] (MA = methyl acrylate) with the hydrophilic chain (PEO) in the center part of the polymers were prepared in a narrow molecular weight distribution. Thus the hydrophilic-hydrophobic portion of the copolymer can be fine-tuned, which provides the use of these polymers as structure directing agents to synthesize highly ordered hexagonal mesoporous silicas. Under acidic conditions, polymers of [(MA)x(EO) 77(MA)x] (x = 33-70) provided the synthesis of a 2D hexgonal array of mesopores in uniform orderness.

KW - Mesoporous silica

KW - Polymerization

KW - Triblock copolymer

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JO - Microporous and Mesoporous Materials

JF - Microporous and Mesoporous Materials

IS - 1-3

ER -

Periodic mesoporous silicas via templating of new triblock amphiphilic copolymers

Abstract

Keywords

ASJC Scopus subject areas

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