Porous glass processing for use as pheromones release device
Porous sintered glasses for use as pheromone controlled deliver matrix were produced from glass powder. The pieces, in cylindrical form, were sintered at 700 deg C resulting in average porous size of 35.80 pm and apparent porosity of 37.45%. Synthetic pheromone (E)- 2-hexenal was uptake into the mat...
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Veröffentlicht in: | Cerâmica (São Paulo) 2008-10, Vol.54 (332), p.462-465 |
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Hauptverfasser: | , |
Format: | Magazinearticle |
Sprache: | por |
Online-Zugang: | Volltext |
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Zusammenfassung: | Porous sintered glasses for use as pheromone controlled deliver matrix were produced from glass powder. The pieces, in cylindrical form, were sintered at 700 deg C resulting in average porous size of 35.80 pm and apparent porosity of 37.45%. Synthetic pheromone (E)- 2-hexenal was uptake into the matrix by capillarity forces and permeability and deliver tests carried out at ordinary environmental conditions. Similar commercial device (polymeric lure) in the same size and dimensions was also tested for comparative data. The sintered piece presented inferior permeability and liquid absorption rate, though with higher deliver rate (evaporation) of the volatile compound. Although structurally different from the commercial polymeric piece, the sintered elements can satisfactory replace the imported devices with similar efficiency. |
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ISSN: | 0366-6913 |