Organic-Inorganic Hybrid Sun Blocking Powders Based on Polysilsesquioxane

	Nanotech 2007 Vol. 4 Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 4 Chapter 2: Nanoparticles
	Organic-Inorganic Hybrid Sun Blocking Powders Based on Polysilsesquioxane
Authors:	Y.B. Kim and K.S. Yoon
Affilation:	PaiChai University, KR
Pages:	254 - 256
Keywords:	polysilsesquioxane, sun block
Abstract:	Trialkoxyorganosilanes containing p-methoxybenzoyl group were sybthesized and polymerized in shapes of spheres. The resulting spherical powder had narrow size distributions and showed promising characteristics as organic-inorganic hybrid UV blocking agents. Regardless of the sizes of powders, no whitening took place unlike other UV blocking agents with similar sizes. These particles also showed high boosting effect to have SPF values up to 50. Preparation of spheres and some prototype cosmetic products will be presented.
ISBN:	1-4200-6376-6
Pages:	768
Hardcopy:	$139.95

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