STUDY ON THE SURFACE MODIFICATION OF NANO-TiO2 BY GRAFTING PMMA/PBMA AND ITS THERMAL STABILITY

Hai-yin Yu; Jia-shan Gu; Jun Du; Ming-yun Guan

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STUDY ON THE SURFACE MODIFICATION OF NANO-TiO2 BY GRAFTING PMMA/PBMA AND ITS THERMAL STABILITY

Papers | Updated：2021-06-21

- STUDY ON THE SURFACE MODIFICATION OF NANO-TiO2 BY GRAFTING PMMA/PBMA AND ITS THERMAL STABILITY
- Vol. 23, Issue 3, Pages: 243-247(2005)
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- Published：20 May 2005
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Hai-yin Yu, Jia-shan Gu, Jun Du, et al. STUDY ON THE SURFACE MODIFICATION OF NANO-TiO2 BY GRAFTING PMMA/PBMA AND ITS THERMAL STABILITY[J]. 2005, 23(3): 243-247.
DOI：

Hai-yin Yu, Jia-shan Gu, Jun Du, et al. STUDY ON THE SURFACE MODIFICATION OF NANO-TiO2 BY GRAFTING PMMA/PBMA AND ITS THERMAL STABILITY[J]. 2005, 23(3): 243-247. DOI：

摘要

The surface of nano-TiO2 was encapsulated with hydroxyl-propyl-methyl cellulose (HPMC)

and then cografted with acrylates. Conditions of absorbing and grafting have been studied. Modified nano-TiO2 particles were characterized by FT-IR spectra

TEM and TG analysis. It was convinced from FT-IR studies that both methyl methacrylate (MMA) and butyl-methacrylate (BMA) were co-grafted onto the surface of nano-TiO2 particles. TEM images show that the surface of nano-TiO2 particles was successfully modified by a thick layer of film-like polymer. TG results demonstrate that the decomposition temperature of HPMC-g-PMMA/PBMA

which has been grafted onto the surface of nano-TiO2

is 56.9 K higher than that of HPMC-g-PMMA/PBMA.

Abstract

The surface of nano-TiO2 was encapsulated with hydroxyl-propyl-methyl cellulose (HPMC)

and then cografted with acrylates. Conditions of absorbing and grafting have been studied. Modified nano-TiO2 particles were characterized by FT-IR spectra

which has been grafted onto the surface of nano-TiO2

is 56.9 K higher than that of HPMC-g-PMMA/PBMA.

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