Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1980-03-27
1982-06-22
Hess, Bruce H.
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 27, 106 30, 106 31, 106308R, 106308Q, 106308F, 106308M, 252316, 282 275, 427150, 427151, 427153, 428488, 428537, 428914, 524277, 524274, 524291, 525138, 525145, B41M 522
Patent
active
043360670
ABSTRACT:
A process is provided for producing a pressure-sensitive carbonless record sheet comprising the steps of preparing a hot melt coating composition, the hot melt coating composition being water insoluble and having a melting point of from about 60.degree. C. to about 140.degree. C. The hot melt coating composition includes a chromogenic material. The chromogenic material is a meltable color developer of the acidic electron accepting type. The hot melt coating composition is heated to a temperature above its melting point and the heated coating composition is applied to a substrate, the coating composition being applied at a coat weight of from about 0.2 pounds to about 8.0 pounds per 3300 square feet of substrate. The coating composition is set by cooling the coated substrate. A novel liquid chromogenic coating composition is produced, the coating composition having a melting point of from about 60.degree. C. to about 140.degree. C. and comprising from about 15% to about 100% of a chromogenic material and from about 0% to about 80% of a rheology modifying material, the chromogenic material being a meltable color developer of the acid electron accepting type. A pressure-sensitive record sheet is produced, the record sheet comprising a substrate having a plurality of surfaces, at least one of the surfaces being coated with a set hot melt coating composition, the set hot melt suspending medium including a chromogenic material dispersed therein.
REFERENCES:
patent: 3079351 (1963-02-01), Staneslow et al.
patent: 3871900 (1975-03-01), Hayashi et al.
patent: 4063754 (1977-12-01), Shackle et al.
Shackle Dale R.
Young, Jr. Ainslie T.
Cagle S. H.
Hess Bruce H.
Palmer W. G.
Shane, Jr. C. N.
The Mead Corporation
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