Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1976-04-05
1977-11-15
Robinson, Ellis
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
101470, 101473, 8 25A, 156230, 156240, 427, 427146, 427148, 428202, 428334, 428335, 428336, 428424, 428425, 428532, 428537, 428914, B32B 712, D06P 360, D06P 506
Patent
active
040586448
ABSTRACT:
A dry release sublimation transfer for decorating textile substrates is disclosed, including a temporary backing sheet, a sublimation transfer design layer comprising sublimation transfer inks disposed on the design layer, and a polymeric layer disposed in contact with the sublimation transfer design layer. The polymeric layer comprises a polymer having a number average molecular weight between about 700 and 20,000, and having on the average at least three functional groups comprising isocyanates for each polymer chain thereof, whereby upon application of the sublimation transfer under heat and pressure to the textile substrate which is to be decorated, the polymeric coating softens and penetrates into the textile substrate, along with the sublimation transfer design layer. In a preferred embodiment, the functional groups are blocked, so that upon application of the sublimation transfer under heat and pressure the functional groups on the polymer chain unblock or become reactive, and cross-linking occurs. In one embodiment, the polymer layer comprises an isocyanate functional polyurethane, blocked with phenol. In addition, a method for decorating textile substrates is also disclosed, employing the above-described dry release sublimation transfers.
REFERENCES:
patent: 2862281 (1958-12-01), Klausner
patent: 3192287 (1965-06-01), Pelzek
patent: 3907974 (1975-09-01), Smith
patent: 3940246 (1976-02-01), De'Fago
patent: 3984607 (1976-10-01), Thoma
patent: 3987225 (1976-10-01), Reed
"Put Urethane on Anything via Transfer Coating," Modern Plastics, Mar. 1969, vol. 46 (3), pp. 48-49.
DeVries Roy F.
Snyder William H.
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