Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1984-10-05
1986-06-03
Herbert, Thomas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427148, 428202, 428211, 4284881, 4284884, 428913, 428914, 430348, B32B 516, B32B 706
Patent
active
045929467
ABSTRACT:
A thermal ink transfer laminate wherein an ink design is transferred from a carrier support to an article, typically paper, by application of a thermal printing element, e.g. of the dot matrix type, to the nontransfer side of the carrier. The thermal ink transfer laminate is composed of a carrier support of paper or plastic film overcoated on one side with a heat sensitive transfer substrate. The heat sensitive transfer substrate contains an ink which preferably includes a coloring agent formed of a dye dispersed in an unsaturated fatty acid medium. A separate release layer may be included between the ink and carrier. The coloring agent facilitates attainment of a drastic drop in melt viscosity of the transfer laminate during thermal transfer onto a receiving article. The degree of transfer attained is virtually complete resulting in a transferred image of exceedingly high image clarity and definition when employing the thermal printing element. The heat sensitive coating permeates fibrous receiving articles during thermal transfer resulting in a nonraised, firmly anchored abrasion-resistant transferred image.
REFERENCES:
patent: 3616015 (1971-10-01), Kingston
patent: 3871065 (1975-03-01), Iomiyama et al.
patent: 3983279 (1976-09-01), Matsushita et al.
patent: 4004065 (1977-01-01), Matsushita et al.
patent: 4269892 (1981-05-01), Shattuck et al.
patent: 4271223 (1981-06-01), Lambert et al.
patent: 4510206 (1985-04-01), Shuman
Dennison Manufacturing Company
Herbert Thomas J.
Josephs Barry D.
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