Application of the Molecular Sieves as Matrices for Chromophores Embedded in Their Cages

• Autorzy: Kowalak S. , Jankowska A.
• Konferencja: 10th Ukrainian-Polish Symposium "Theoretical and Experimental Studies of Interfacial Phenomena and Their Technological Applications", Lviv-Uzlissja, Ukraine
• Języki publikacji: EN

Abstrakty

EN

Zeolite matrices have been applied for embedment of sulfur radical chromophores inside the intra-crystalline cages. The thermal treatment of zeolites (200–800 graduate C) with sulfur radical precursors (oligosulfides, elemental sulfur and alkalis) led to colored products. Their coloration (yellow, green, blue) and structure depended on structure type of parent zeolite (LTA, FAU, SOD, ERI, CAN, GIS, STI, CHA, HEU), alkalinity of the initial mixture, temperature and time of thermal treatment. Synthesis at high temperatures under high alkalinity of mixtures always resulted in recrystallization of parent zeolites towards sodalite, whereas the mild preparation conditions did not affect the original structures of zeolites. Employing of zeolites as starting materials allows to extend the palette of achievable colors of ultramarine pigments.

Słowa kluczowe

EN

zeolites; pigments; sulfur radicals; ultramarine analogs

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2008
• Tom: Vol. 82, nr 1-2
• Strony: 131--140
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Kowalak S.

autor

Jankowska A.

• Faculty of Chemistry, Adam Mickiewicz University, 6 Grunwaldzka Str., 60 780 Poznań, Poland,

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