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ENCAPSULATED MATERIALS IN POROUS PARTICLES 发明申请

2023-10-21 2810 2088K 0

专利信息

申请日期 2025-07-08 申请号 US15512839
公开(公告)号 US20170306221A1 公开(公告)日 2017-10-26
公开国别 US 申请人省市代码 全国
申请人 PHILIPS LIGHTING HOLDING B V
简介 The invention provides a process for the production of a (particulate) luminescent material comprising particles, especially substantially spherical particles, having a porous inorganic material core with pores, especially macro pores, which are at least partly filled with a polymeric material with a first material embedded therein, wherein the process comprises (i) impregnating the particles of a particulate porous inorganic material with pores with a first liquid (“ink”) comprising the first material and a curable or polymerizable precursor of the polymeric material, to provide pores that are at least partly filled with said first material and curable or polymerizable precursor; and (ii) curing or polymerizing the curable or polymerizable precursor within pores of the porous material, as well as a product obtainable thereby. The first material comprises one or more materials selected from a group of materials comprising organic luminescent materials, rare-earth luminescent materials, organic dye materials, inorganic dye materials, thermochromic materials, photochromic materials, liquid crystal materials, magnetic materials, scattering materials, high-refractive index materials, radio-active materials, contrast agents and therapeutic agents.


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