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TiO2-SiO2 Composite filler for thin paper

Title
TiO2-SiO2 Composite filler for thin paper
Author
김호건
Keywords
nanocomposite; paper filler; sol-gel methods; opacity; oil absorption
Issue Date
2007-05
Publisher
ELSEVIER SCIENCE SA
Citation
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, v. 186, No. 1-3, Page. 367-369
Abstract
Spherical TiO2-SiO2 composite, in which the TiO2 coating layer with a width of 10-20 mn was present on the SiO2 sphere, was synthesized by reacting SiO, seed with a TiCl4 solution in water. As a result of XRD analysis, the initial state of TiO2 that existed on the surface of synthesized composite particles was amorphous, but it changed directly to the rutile crystal phase of TiO2 after heating at 300 degrees C and the rutile phase did not change even the above 900 degrees C. Paper with a weight ratio per unit area of 60 g/m(2) was prepared by using the composite particle as filler. The opacity measurement using a Hunter's whiteness testing method of the prepared paper, showed the value of 94.7% which was superior to that found in currently available light paper of high quality (90.0%). As well, the composite showed greatly superior oil absorbance ability (150-180 m1/100 g) compared to the case of TiO2 (100 ml/100 g) filler, and also it was found that the TiO2-SiO2 composite could control oil absorption efficiently. (c) 2007 Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0924013606011459http://repository.hanyang.ac.kr/handle/20.500.11754/108919
ISSN
0924-0136
DOI
10.1016/j.jmatprotec.2006.12.004
Appears in Collections:
COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY[E](과학기술융합대학) > CHEMICAL AND MOLECULAR ENGINEERING(화학분자공학과) > Articles
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