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A particle comprising a host lattice and a guest, its preparation and use in ultraviolet light screening compositions
A particle comprising a host lattice and a guest, its preparation and use in ultraviolet light screening compositions
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机译:包含主体晶格和客体的颗粒,其制备和在紫外光屏蔽组合物中的用途
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摘要
A UV screening composition comprising novel particles which are capable of absorbing UV light so that electrons and positively charged holes are formed within the particles is disclosed. These particles comprise a host lattice incorporating a second component to provide luminescence trap sites and/or killer sites, said second component being niobium, vanadium, antimony, tantalum, strontium, calcium, magnesium, barium, molybdenum or silicon.
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