Treatment method for cork material and corks

Details Treatment method for cork material and corks Treatment method for cork material and corks

A - Human Necessities

61

L

A61L 2/12 (2006.01) B27K 7/00 (2006.01) B67B 1/03 (2006.01)

Patent

CA 2319351

The invention relates to a treatment method for cork material and corks in order to sterilize, reduce chemical contaminants, and to improve the polymerization, hardening and stabilization of adhesives in agglomerated corks. To this end, microwave radiation is utilized, whereby the corks are exposed to a microwave radiation ranging from 15 to 1000 W per kg cork during a time period ranging from 2.5 to 30 minutes.

L'invention concerne un procédé de traitement pour matériau en liège et bouchons de liège à stériliser, en vue de la réduction des contaminants chimiques, ainsi que pour améliorer la polymérisation, le durcissement et la stabilisation des adhésifs dans les lièges agglomérés. A cet effet, on utilise un rayonnement hyperfréquence, les bouchons étant exposés à un rayonnement hyperfréquence de 15 à 1000 W par kg de liège pendant une durée de 2,5 à 30 minutes.

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