Microwave interactive laminate and process for producing...

Details Microwave interactive laminate and process for producing... Microwave interactive laminate and process for producing...

B - Operations, Transporting

32

B

333/113, 327/2.4

B32B 27/00 (2006.01) B32B 27/06 (2006.01) B32B 33/00 (2006.01) B65D 79/00 (2006.01) B65D 81/34 (2006.01) H05B 6/64 (2006.01)

Patent

CA 1305533

ABSTRACT The present specification discloses a process for chemically treating the microwave interactive layer of a microwave interactive laminate to reduce or eliminate the capacity of the microwave interactive layer to generate heat in response to microwave energy. The present inven- tion also relates to chemically modified microwave inter- active film and chemically modified microwave interactive laminates which include a chemically treated microwave interactive layer. Thus there is provided a microwave cooking heater element comprising a heat stable plastic film coated with a very thin metallic layer to form a microwave interactive film, wherein the very thin metallic layer in- cludes an inactivated area wherein the capability of said inactivated area to generate heat in response to microwave energy has been reduced by treatment with an inactivating chemical followed by drying.

560958

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