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Spherical Composite Powder by Coupling Polymethyl Methacrylate and Boron Nitride via Spray Drying for Cosmetic Application

1
Department of Mechanical Engineering, National Taipei University of Technology, Taipei 106, Taiwan
2
Additive Manufacturing Center for Mass Customization Production, National Taipei University of Technology, Taipei 106, Taiwan
3
Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
4
HeBN Co., Ltd., Taichung 411, Taiwan
5
School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
*
Author to whom correspondence should be addressed.
Materials 2019, 12(5), 706; https://doi.org/10.3390/ma12050706
Received: 31 January 2019 / Revised: 18 February 2019 / Accepted: 23 February 2019 / Published: 28 February 2019
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PDF [3859 KB, uploaded 28 February 2019]
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Abstract

In the present study, spherical composite powder was successfully prepared via spray drying process using polymethyl methacrylate (PMMA) and hexagonal boron nitride (h-BN) powders. The pristine and as-prepared composite powders were examined using scanning electron microscopy, a particle size analyzer, oil absorption, and specific surface area analyses. These powders were then mixed with linseed oil to prepare samples for UV-Visible-Near Infrared spectroscopy investigation to determine their light absorption ability. Blank and powder-added blemish balm creams were examined using a sun protection factor tester and a thermal conductivity tester. In addition, transmittances of these creams were also evaluated. The experimental results show that spray-dried spherical composite powder exhibited good oil absorption ability. The blemish balm cream with 10 wt.% spray-dried composite powder not only exhibited superior sunscreen protection ability, but also good thermal conductivity. View Full-Text
Keywords: blemish balm cream; boron nitride; PMMA; optical properties; sun protection factor (SPF); cosmetics; thermal conductivity blemish balm cream; boron nitride; PMMA; optical properties; sun protection factor (SPF); cosmetics; thermal conductivity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Su, C.-Y.; Wang, J.-C.; Chen, C.-Y.; Chu, K.; Lin, C.-K. Spherical Composite Powder by Coupling Polymethyl Methacrylate and Boron Nitride via Spray Drying for Cosmetic Application. Materials 2019, 12, 706.

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