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Title: Three-dimensional structure investigation of Waterborne Paint by Electron Microscopic Imaging

Abstract

In this paper, the three-dimensional (3D) spatial structure of a TiO 2 coated waterborne paint film has been successfully investigated by serial block-face scanning electron microscopy (SBFSEM). The investigation clearly shows the spatial distribution of the TiO2 particles in the paint film and illustrates the degree of dispersion of the particles in the composite material. More than 58% of the volume of the TiO 2 particles are between 1.0 × 10 6 nm 3 to 1.0 × 10 7 nm 3 and the minimum distance between different particles can be detected is 124 nm. Different types of voids can be found in the 3D image of the cured water-borne paint film: voids that exist in the paint itself, voids produced by particle shedding, water evaporating and particles stacking. Among these voids, the ones produced by particle shedding is a cutting artefact. The research provides a different approach to clearly present the 3D spatial structure of paints and can clearly illustrate different kinds of voids inside the water-borne paint. While the resulting 3D structure of the paint, especially the different voids are important for further systematic research on the relationships between the spatial microstructure and the physical and chemical properties ofmore » the water-borne paint.« less

Authors:
 [1];  [2];  [3];  [3];  [4];  [1]
  1. Tongji Univ., Shanghai (China). School of Materials Science and Engineering
  2. Univ. College London, London (United Kingdom). London Centre for Nanotechnology; Tongji Univ., Shanghai (China). School of Materials Science and Engineering
  3. Univ. of Manchester, Manchester (United Kingdom). School of Materials
  4. Univ. College London, London (United Kingdom). London Centre for Nanotechnology; Tongji Univ., Shanghai (China). School of Materials Science and Engineering; Brookhaven National Lab. (BNL), Upton, NY (United States). Division of Condensed Matter Physics and Materials Science
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1493185
Alternate Identifier(s):
OSTI ID: 1504376
Report Number(s):
BNL-211238-2019-JAAM; BNL-211491-2019-JAAM
Journal ID: ISSN 1996-1944
Grant/Contract Number:  
SC0012704
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Materials
Additional Journal Information:
Journal Volume: 12; Journal Issue: 3; Journal ID: ISSN 1996-1944
Publisher:
MDPI
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Three-dimensional (3D) structure; TiO2 particles; Voids; Water-borne paint; Serial block-face scanning electron microscopy (SBFSEM)

Citation Formats

Yang, Fei, Chen, Bo, Hashimoto, Teruo, Thompson, George, Robinson, Ian, and Zhang, Yongming. Three-dimensional structure investigation of Waterborne Paint by Electron Microscopic Imaging. United States: N. p., 2019. Web. doi:10.3390/ma12030464.
Yang, Fei, Chen, Bo, Hashimoto, Teruo, Thompson, George, Robinson, Ian, & Zhang, Yongming. Three-dimensional structure investigation of Waterborne Paint by Electron Microscopic Imaging. United States. doi:10.3390/ma12030464.
Yang, Fei, Chen, Bo, Hashimoto, Teruo, Thompson, George, Robinson, Ian, and Zhang, Yongming. Sat . "Three-dimensional structure investigation of Waterborne Paint by Electron Microscopic Imaging". United States. doi:10.3390/ma12030464. https://www.osti.gov/servlets/purl/1493185.
@article{osti_1493185,
title = {Three-dimensional structure investigation of Waterborne Paint by Electron Microscopic Imaging},
author = {Yang, Fei and Chen, Bo and Hashimoto, Teruo and Thompson, George and Robinson, Ian and Zhang, Yongming},
abstractNote = {In this paper, the three-dimensional (3D) spatial structure of a TiO2 coated waterborne paint film has been successfully investigated by serial block-face scanning electron microscopy (SBFSEM). The investigation clearly shows the spatial distribution of the TiO2 particles in the paint film and illustrates the degree of dispersion of the particles in the composite material. More than 58% of the volume of the TiO2 particles are between 1.0 × 106 nm3 to 1.0 × 107 nm3 and the minimum distance between different particles can be detected is 124 nm. Different types of voids can be found in the 3D image of the cured water-borne paint film: voids that exist in the paint itself, voids produced by particle shedding, water evaporating and particles stacking. Among these voids, the ones produced by particle shedding is a cutting artefact. The research provides a different approach to clearly present the 3D spatial structure of paints and can clearly illustrate different kinds of voids inside the water-borne paint. While the resulting 3D structure of the paint, especially the different voids are important for further systematic research on the relationships between the spatial microstructure and the physical and chemical properties of the water-borne paint.},
doi = {10.3390/ma12030464},
journal = {Materials},
issn = {1996-1944},
number = 3,
volume = 12,
place = {United States},
year = {2019},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Figures / Tables:

Figure 1 Figure 1: Two-dimensional (2D) backscattered electron (BSE) micrographs of the TiO2 pigmented waterborne paint film obtained from serial block-face scanning electron microscopy (SBFSEM) measurement: (a) An original BSE micrograph slice of the sample acquired by SBFSEM; (b) The zoomed-in image of the part enclosed by the red square, 500 xmore » 500 pixels (6.5 μm x 6.5 μm) large, in panel a; (c) The noise reduction processed image of the selective part as shown in panel b. The grey parts are acrylic resin, the white parts are TiO2 particles, and the black parts are voids.« less

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.