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- E-ISSN 2288-8985
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The coating of vitamin C on the surface of polymethylmethacrylate microsphere
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2006, v.19 no.6, pp.468-472
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(2006). The coating of vitamin C on the surface of polymethylmethacrylate microsphere. Analytical Science and Technology, 19(6), 468-472.
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Abstract
This paper was described that the preparation of polymetylmethacrylate (PMMA) microsphere and coating of vitamin C onto surface of the prepared PMMA microsphere for application of cosmetic materials. The PMMA microsphere with various sizes can be obtained by change of reaction condition such as reaction temperature and reaction time. The coating of vitamin C on the surface of PMMA microsphere by using cyclodextrin as binder can be achieved to 30 wt-% in water/ethanol mixture. The vitamin C coated with cyclodextrin was stabilized during 56 days at <TEX>$40^{\circ}C$</TEX>. The color of the coated Vitamin C was changed from white to dark yellow after 14 days at <TEX>$40^{\circ}C$</TEX>. The vitamin C coated with cyclodextrin on the surface of PMMA microsphere can be sufficiently used for cosmetic materials.
- keywords
- polymethylmethacrylate, vitamin C, cyclodextrin, cosmetic materials, coating, stability
Reference
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