Experimental Fabrication and Property Research of Thermo-Sensitive Organic-Inorganic Hybrid Nano-Microcapsule

Author:

Lu Qin Fang1,Shang Yue2,Shan Guo Rong2

Affiliation:

1. Jiujiang University

2. Zhejiang University

Abstract

A thermo-sensitive organic-inorganic hybrid nanomicrocapsule was synthesized by miniemulsion polymerization through introducing N-isopropyl acrylamide (NIPAM) monomer to the copolymer of styrene that coat around the octane droplet and 3-trimethoxysil propyl methacrylate (MPS). The penetration and releasing behavior of cresol red in this nanomicrocapsule nearby the critical temperature was investigated with ultravioletvisible spectroscopy. The results showed that both the introduction of NIPAM monomer and the temperature affect the loading and releasing of cresol red in nanomicrocapsule and the microcapsule exhibited a certain penetration rate above the critical temperature, but the penetration was inconspicuous below the critical temperature, denoting that this nanomicrocapsule could realize on-off type of environmental thermo-sensitive controlled absorption and release.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference9 articles.

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2. Deng Ziwei, Yi Changfeng, Xu Zushun: Application of thermosensitivity polymers based on poly(N-isopropylacrylamide). J Funct Polym, Vol. 17(2) (2004), pp.317-324.

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