Method of applying a dye image to a plastic member and the image

Details Method of applying a dye image to a plastic member and the image Method of applying a dye image to a plastic member and the image

1985-03-15

1986-05-06

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

8467, 8470, 8506, 8512, 400490, 428207, B32B 516, B32B 2736, D06P 116

Patent

active

045871558

ABSTRACT:
A method of applying a dye image to a plastic member and the image bearing member thereby formed. A disperse dye having a melting point which is below the thermal deflection temperature of the plastic of the member and a vaporization point which is above said deflection temperature is applied to a surface of the member in a desired image. The dye bearing plastic is then heated to a temperature which is above the melting point of the dye and below the thermal deflection temperature of the plastic, but which is nevertheless high enough to cause some softening of said plastic. The dye is then permitted to diffuse into the plastic to provide a sharp, clear and durable image thereon.

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English translation, Nippon S., JA53-60970, May 31, 1978, 9 pages.
Brochure-Key-Tech. Inc. "Thermo-Static Keycap Printing.TM."-12 pages.

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