Visible transparent, UV-blocking polymer nanocomposite films containing nano-sized organic-LDH (Layered Double Hydroxide) hybrid
Data(s) |
01/01/2010
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Resumo |
A nano-sized Mg2Al layered double hydroxide (LDH) was used for encapsulating an organic UV absorber, 2-hydroxy-4- methoxybenzeophenone-5-sulfonic acid (HMBS), to produce <a href="mailto:HMBS@LDH">HMBS@LDH</a> hybrid nano-platelets. Upon dispersing this organic-inorganic hybrid LDH into ethylene-vinyl alcohol copolymer (EVOH) for film casting, a thin polymer<br />nanocomposite film that is UV opaque but highly transparent to visible light (higher than 90%) was formed. Thermogravimetry (TG) analysis confirmed that the intercalation of HMBS into LDH considerably increased the thermal stability of HMBS. Such an improvement was attributed to the strong guest-host interaction between the HMBS anions and the LDH layers. Also, the nanocomposite films were flexible and had good mechanical properties.<br /> |
Identificador | |
Idioma(s) |
eng |
Publicador |
Thin Films Society |
Relação |
http://dro.deakin.edu.au/eserv/DU:30032939/zhao-visibletransparent-2010.pdf |
Direitos |
2010, Nanyang Technological University, Thin Films Society |
Palavras-Chave | #UV-blocking #LDHs #EVOH #transparency #organic-inorganic hybrids |
Tipo |
Conference Paper |