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Silica Sol‐Gel Glasses with Embedded Organic Liquids
Author(s) -
Böttcher Horst,
Kallies KarlHeinz,
Haufe Helfried,
Seidel Jürgen
Publication year - 1999
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/(sici)1521-4095(199902)11:2<138::aid-adma138>3.0.co;2-3
Subject(s) - materials science , sol gel , cosmetics , silica gel , chemical engineering , silica glass , thermal , nanotechnology , organic chemistry , composite material , engineering , chemistry , physics , meteorology
Silica powders and films with embedded organic liquids (OLs) that are storage stable can be prepared with high OL concentrations when modern sol‐gel techniques are used. The preparation and thermal release behavior of silica sol‐gel glasses with different embedded organic liquids are described and the results discussed with particular regard to potential applications. The encapsulation of OLs by the sol‐gel technique offers many advantages for controlled‐release systems in the food and cosmetics industries compared to the polymeric systems in use today.