Heat and pressure sensitive recording material

Details Heat and pressure sensitive recording material Heat and pressure sensitive recording material

1986-10-16

1989-03-21

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Identified organic electron acceptor other than phenolic resin

427151, 428913, 428914, 503214, 503217, 503218, 503220, 503226, B41M 522

Patent

active

048143197

ABSTRACT:
Disclosed is a heat and pressure sensitive recording material for recording and duplicating, comprising an up sheet I and a down sheet II, wherein the up sheet I is coated on one surface with a composition A comprising a colorless electron donative organic compound 1 and an acidic organic compound 2 which develops the color of the compound 1 when heat is applied, and is coated on the other side facing the down sheet II with a composition B comprising the compound 1, an encapsulated compound 1' of the compound 1 and a hot metal material 3. The down sheet II is coated on the side facing the up sheet I with a composition C comprising the organic compound 2. The heat and pressure sensitive recording material may further have inserted beween the up sheet I and the down sheet II at least one middle sheet III coated with the composition C on one side and with the composition B on the other side.

REFERENCES:
patent: Re30041 (1979-07-01), Maalouf
patent: 4425386 (1986-08-01), Roylance
patent: 4520378 (1985-05-01), Matsushita et al.
patent: 4598035 (1986-07-01), Usami et al.

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