Thermal transfer imprinting

Details Thermal transfer imprinting Thermal transfer imprinting

1983-07-14

1986-04-08

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156230, 428206, 428207, 428211, 428216, 428336, 428337, 428513, 428913, B32B 706, B32B 2308, B32B 2710

Patent

active

045812780

ABSTRACT:
Thermal imprinting for example of one or more surfaces, using a heat transfer carrier and a release layer of pigmented, low molecular weight polyolefin. The imprint is made by bringing the transfer layer into contact with the surface of an object and applying heat. This releases the transfer layer to the surface being imprinted. When the transfer layer is required to have any significant thickness, it desirably includes a low melting point wax or resin to provide flexibility. The release characteristic can be improved by the inclusion of a further crystalline wax layer between the transfer layer and the carrier.

REFERENCES:
patent: 3519511 (1970-07-01), Coover
patent: 3567571 (1971-03-01), Martinovich
patent: 3770479 (1973-11-01), Dunning
patent: 4007067 (1977-02-01), Dunning
patent: 4084032 (1978-04-01), Pasersky
patent: 4294641 (1981-10-01), Reed et al.
patent: 4404249 (1983-09-01), Margerum et al.

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