Microwave processing system for polymers

Details Microwave processing system for polymers Microwave processing system for polymers

B - Operations, Transporting

29

B

B29B 13/08 (2006.01) B29B 13/02 (2006.01) B29C 31/06 (2006.01) B29C 31/08 (2006.01) B29C 45/18 (2006.01) B29C 45/72 (2006.01) B29C 35/08 (2006.01)

Patent

CA 2266616

Polymer processing systems and methods which use microwave energy to achieve extremely rapid, efficient melting and/or softening of polymer materials. After rapid melting and/or softening is achieved, the molten polymer may then be pressurized for transport to an injection mold, an extrusion die, or the like, as desired. Microwave melting occurs so rapidly, that significant reductions in cycle time would be achieved by the present invention. Additionally, the use of microwave energy for melting is economically advantageous, because microwave energy sources are generally less costly and use energy more efficiently than conventional melting systems.

Systèmes et procédés de traitement de polymères mettant en application l'énergie micro-ondes afin d'effectuer la fusion ou le ramollissement extrêmement rapide et efficace de matériaux polymères. On peut, après l'opération de fusion ou de ramollissement, comprimer le polymère fondu afin de le transférer, par exemple, dans un moule à injection ou dans une filière d'extrusion, si nécessaire. La fusion aux micro-ondes est si rapide que l'invention permettrait de limiter considérablement la durée du traitement. L'utilisation de l'énergie micro-ondes dans un processus de fusion présente, de plus, un avantage économique, étant donné que les sources d'énergie micro-ondes sont généralement moins chères et utilisent l'énergie plus efficacement que les systèmes classiques de fusion.

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