Composite material containing microwave susceptor material

Details Composite material containing microwave susceptor material Composite material containing microwave susceptor material

1989-08-28

1991-06-04

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428 343, 428 353, 428 358, 428 364, 428212, 428340, 428402, 428409, 428458, 428464, 428480, 4285375, 426107, 426113, 426127, 426234, 426241, 426243, 427205, 427212, 4274191, 383109, 383116, B32B 1504, B65D 8500

Patent

active

050212931

ABSTRACT:
A composite material useful for controlled generation of heat by absorption of microwave energy is disclosed. The material comprises a dielectric substrate, e.g., polyethylene terephthalate film, coated with a mixture of an electrically conductive metal or metal alloy in flake form in a thermoplastic dielectric matrix, e.g., a polyester copolymer. In a preferred embodiment, the coating of flake/thermoplastic is applied so as to yield an isotropic coating with good heating performance reproducibility. The use of circular flakes with flat surfaces and smooth edges contributes substantially to good heating performance reproducibility.

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