Synthesis, characterization, and photochromic properties of PMMA functionalized with 4,4′-diacryloyloxyazobenzene

Xiao Hu; Xiongyan Zhao; Leong Huat Gan; Xulin Xia

doi:10.1002/app.10063

Synthesis, characterization, and photochromic properties of PMMA functionalized with 4,4′-diacryloyloxyazobenzene

Xiao Hu^*, Xiongyan Zhao, Leong Huat Gan, Xulin Xia

^*Corresponding author for this work

Nanyang Technological University

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

21 Citations (Scopus)

Abstract

Attempts to introduce the azo chromophore into poly(methyl methacrylate) (PMMA) molecular chains were made in search for a new approach to obtain functionalized-PMMA (f-PMMA) with high glass transition temperature and an adequate azo content. A novel functionalized monomer, 4,4′-diacryloyloxyazobenzene (DAOAB), was synthesized and used as grafting agent in the polymerization of methyl methacrylate. ¹H-NMR spectrum, FTIR spectrum, elemental analysis, and MDSC measurement confirmed that the proposed structure of DAOAB was synthesized successfully. Furthermore, the thermal properties and photochromic behavior of f-PMMA samples were also analyzed by DSC, TGA, and UV-visible spectroscopy. The results have shown that f-PMMA exhibited a better photochromic behavior and considerably improved thermal properties than pure PMMA.

Original language	English
Pages (from-to)	1061-1068
Number of pages	8
Journal	Journal of Applied Polymer Science
Volume	83
Issue number	5
DOIs	https://doi.org/10.1002/app.10063
Publication status	Published - Jan 31 2002
Externally published	Yes

ASJC Scopus Subject Areas

General Chemistry
Surfaces, Coatings and Films
Polymers and Plastics
Materials Chemistry

Keywords

Azobenzene
Cis-trans isomerization
Photochromic property
PMMA

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10.1002/app.10063

Cite this

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title = "Synthesis, characterization, and photochromic properties of PMMA functionalized with 4,4′-diacryloyloxyazobenzene",

abstract = "Attempts to introduce the azo chromophore into poly(methyl methacrylate) (PMMA) molecular chains were made in search for a new approach to obtain functionalized-PMMA (f-PMMA) with high glass transition temperature and an adequate azo content. A novel functionalized monomer, 4,4′-diacryloyloxyazobenzene (DAOAB), was synthesized and used as grafting agent in the polymerization of methyl methacrylate. 1H-NMR spectrum, FTIR spectrum, elemental analysis, and MDSC measurement confirmed that the proposed structure of DAOAB was synthesized successfully. Furthermore, the thermal properties and photochromic behavior of f-PMMA samples were also analyzed by DSC, TGA, and UV-visible spectroscopy. The results have shown that f-PMMA exhibited a better photochromic behavior and considerably improved thermal properties than pure PMMA.",

keywords = "Azobenzene, Cis-trans isomerization, Photochromic property, PMMA",

author = "Xiao Hu and Xiongyan Zhao and Gan, {Leong Huat} and Xulin Xia",

year = "2002",

month = jan,

day = "31",

doi = "10.1002/app.10063",

language = "English",

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journal = "Journal of Applied Polymer Science",

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T1 - Synthesis, characterization, and photochromic properties of PMMA functionalized with 4,4′-diacryloyloxyazobenzene

AU - Hu, Xiao

AU - Zhao, Xiongyan

AU - Gan, Leong Huat

AU - Xia, Xulin

PY - 2002/1/31

Y1 - 2002/1/31

N2 - Attempts to introduce the azo chromophore into poly(methyl methacrylate) (PMMA) molecular chains were made in search for a new approach to obtain functionalized-PMMA (f-PMMA) with high glass transition temperature and an adequate azo content. A novel functionalized monomer, 4,4′-diacryloyloxyazobenzene (DAOAB), was synthesized and used as grafting agent in the polymerization of methyl methacrylate. 1H-NMR spectrum, FTIR spectrum, elemental analysis, and MDSC measurement confirmed that the proposed structure of DAOAB was synthesized successfully. Furthermore, the thermal properties and photochromic behavior of f-PMMA samples were also analyzed by DSC, TGA, and UV-visible spectroscopy. The results have shown that f-PMMA exhibited a better photochromic behavior and considerably improved thermal properties than pure PMMA.

AB - Attempts to introduce the azo chromophore into poly(methyl methacrylate) (PMMA) molecular chains were made in search for a new approach to obtain functionalized-PMMA (f-PMMA) with high glass transition temperature and an adequate azo content. A novel functionalized monomer, 4,4′-diacryloyloxyazobenzene (DAOAB), was synthesized and used as grafting agent in the polymerization of methyl methacrylate. 1H-NMR spectrum, FTIR spectrum, elemental analysis, and MDSC measurement confirmed that the proposed structure of DAOAB was synthesized successfully. Furthermore, the thermal properties and photochromic behavior of f-PMMA samples were also analyzed by DSC, TGA, and UV-visible spectroscopy. The results have shown that f-PMMA exhibited a better photochromic behavior and considerably improved thermal properties than pure PMMA.

KW - Azobenzene

KW - Cis-trans isomerization

KW - Photochromic property

KW - PMMA

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Synthesis, characterization, and photochromic properties of PMMA functionalized with 4,4′-diacryloyloxyazobenzene

Abstract

ASJC Scopus Subject Areas

Keywords

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