Pressure sensitive copying material

Details Pressure sensitive copying material Pressure sensitive copying material

1980-10-20

1983-02-08

Hess, Bruce H.

Textiles: manufacturing

427150, 427151, 427152, 4283204, 4283211, 428488, 428500, 428522, 428537, 428914, B41M 516, B41M 522

Patent

active

043725813

ABSTRACT:
A pressure sensitive copying element in the form of a web having on one side a color forming coating containing a mixture of alkanes of m.w. 500-3500 and dispersed therein 0.1 to 10% by weight of an incompatible material which is a cellulose derivative, hydrocarbon resin, melamine resin, phenolic resin, or styrene resin, and a solution of a color former in a solvent compatible with the material but incompatible with the alkanes. On the other side there may be a color developing coating containing aluminium oxide together with a binder.

REFERENCES:
patent: 3016308 (1962-01-01), Macaulay
patent: 3079351 (1963-02-01), Staneslow et al.
patent: 3906123 (1975-09-01), Vincent et al.
patent: 4109048 (1978-08-01), Dessaur et al.

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