Enhanced Near-Infrared Shielding and Light Scattering Using Surface-Roughened Hybrid Hollow Microparticles Synthesized with Polymer and TiO₂@Al(OH)₃ for Cosmetic Applications
- Authors
- Han, Nuri; Kim, Min Gyu; Kim, Sung Wook; Shin, Min Kyu; Kim, Su Ji; Kim, Moo Sung; Lee, Sang Rin; Lee, Jun Bae; Pyun, Seung Beom; La, Ju A.; Song, Ji Eun; Cho, Eun Chul
- Issue Date
- Jun-2018
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- cosmetic application; polymer hollow matrix; shielding NIR light with high scattering efficiency; surface-roughened hybrid hollow particle; TiO2@Al(OH)(3)
- Citation
- PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, v.35, no.6, pp.1 - 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION
- Volume
- 35
- Number
- 6
- Start Page
- 1
- End Page
- 10
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/32950
- DOI
- 10.1002/ppsc.201800057
- ISSN
- 0934-0866
- Abstract
- Some materials and their micro-/nanostructures are explored to shield near-infrared (NIR) light. However, the structural role of polymeric matrices in terms of the sensitivity to NIR light and the scattering/absorption characteristics of particles bearing inorganic colloids lack understanding. To understand this issue further, a polymer-inorganic hybrid microparticle is synthesized, where submicrometer-sized TiO2 core-thin aluminium hydroxide shell colloids (TiO2@Al(OH)(3)) are dispersed in a roughened polymer hollow particle matrix. They exhibit higher light extinction at NIR frequencies and higher light scattering efficiencies in the NIR regions compared to hybrid solid microparticles and a simple mixture of inorganic and polymer hollow microparticles. Owing to these characteristics, a cosmetic formulation containing the roughened hybrid hollow microparticles effectively suppresses the increase in the temperatures of artificial skin upon the illumination of a simulated sunlight, without displaying skin whitening which is caused by including much inorganic colloids in the formulation. The present results are helpful to those who manipulate the optical characteristics of inorganic particles whose geometries are hardly tailored. The results are also practically helpful to those who want to block NIR light by reducing the amount of inorganic particles.
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