摘要:
A thermal dye transfer assemblage comprising:(a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being:I) an electrically neutral, deprotonated, delocalized cationic dye precursor;II) a pendant basic dye of the formula D-(L-E).sub.m wherein D represents the residue of a dye, L represents a covalent linking group, E represents a moiety with basic properties and m is an integer of 1-3; orIII) a cationic dye precursor having the following structure: ##STR1## (b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer, the polymeric dye image-receiving layer comprising an acidic salt formed from the reaction of a weak, nitrogen-containing base with a strong protic acid dissolved or dispersed in a polymeric binder.
摘要:
A thermal dye transfer assemblage comprising:(I) a dye-donor element comprising a support having thereon sequentially repeating dye layer patches of a dye dispersed in a polymeric binder, at least one of the dye patches containing a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N-H group which is part of a conjugated system; and(II) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer comprising a polyester polymer which itself does not significantly reprotonate deprotonated cationic dyes which may be transferred from the dye-donor element, to which has been added a hydrated transition metal or metalloid salt of a strong acid;the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer.
摘要:
A thermal dye transfer assemblage comprising: (I) a dye-donor element comprising a support having thereon sequentially repeating dye layer patches of a dye dispersed in a polymeric binder, at least one of the dye patches containing a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N--H group which is part of a conjugated system; and (II) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer comprising a vinyl polymer having no or only slight acidity and a hydrated transition metal or metalloid salt of a strong acid, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer.
摘要:
A thermal dye transfer assemblage comprising: (a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N-H group which is part of a conjugated system, and (b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer, the polymeric dye image-receiving layer comprising a mixture of i) a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity; and ii) a polymeric acid with a saturated hydrocarbon backbone capable of reprotonating the deprotonated cationic dye.
摘要:
A thermal dye transfer assemblage comprising: (a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being: I) an electrically neutral, deprotonated, delocalized cationic dye precursor; II) a pendant basic dye of the formula D-(L-E).sub.m wherein D represents the residue of a dye, L represents a covalent linking group, E represents a moiety with basic properties and m is an integer of 1-3; or III) a cationic dye precursor having the following structure: ##STR1## (b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the dye image-receiving layer, the dye image-receiving layer comprising a polyester ionomer comprising a polyester backbone containing units of a salt of a sulfonic acid or sulfonimide and a basic nitrogen-containing compound which has a pKa of its conjugate acid in the range from about 6 to about 10.
摘要:
A thermal dye transfer assemblage comprising: (I) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N--H group which is part of a conjugated system, and(II) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer, the polymeric dye image-receiving layer comprising a mixture of a) a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity; and b) an acidic clay capable of reprotonating the deprotonated cationic dye.
摘要:
A dye-receiving element for thermal dye transfer comprising a support having on one side thereof a dye image-receiving layer comprising a vinyl latex polymer having the following general formula:A.sub.a -B.sub.b -C.sub.cwherein:A is derived from monomers which, when homopolymerized, yield a polymer having a Tg greater than 25;a is between 5 and 45 mole percent;B is derived from monomers which, when homopolymerized, yield a polymer having a Tg less than 10;b is between 35 and 90 mole percent;C is a repeat unit derived from the salt of an anionic water-soluble monomer; andc is between 0 and 20 mole percent.
摘要:
A thermal dye transfer assemblage comprising:(I) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N--H group which is part of a conjugated system, and(II) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer, the polymeric dye image-receiving layer comprising a mixture ofa) a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity; andb) an acidic material containing at least 0.0007 meq/m.sup.2 of acid; the a) and/or b) having incorporated therein a plasticizer containing:(i) at least the following groups in the order given:E--Q--X--A wherein Q is a carbonyl or sulfonyl;X is N or O;E is an aromatic ring; andA is an alkyl or oxyalky group having up to 5 consecutive carbon atoms; or(ii) a phosphate group having at least one aromatic ring attached thereto;said plasticizer being present in an amount of up to about 25 weight percent of the polymer.
摘要:
A thermal dye transfer assemblage comprising:(a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, said dye being:I) an electrically neutral, deprotonated, delocalized cationic dye precursor;II) a pendant basic dye of the formula D-(L-E).sub.m wherein D represents the residue of a dye, L represents a linking group, E represents a moiety with basic properties and m is an integer of 1-3; orIII) a cationic dye precursor having the following structure: ##STR1## and (b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the dye image-receiving layer, the dye image-receiving layer comprising a mixture ofi) a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity; andii) a polyester which has been polymerized in the presence of an aluminum salt and which contains an aluminum ion.
摘要:
A thermal dye transfer assemblage comprising:(a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, said dye being:I) an electrically neutral, deprotonated, delocalized cationic dye precursor;II) a pendant basic dye of the formula D-(L-E).sub.m wherein D represents the residue of a dye, L represents a linking group, E represents a moiety with basic properties and m is an integer of 1-3; orIII) a cationic dye precursor having the following structure: ##STR1## and (b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the dye image-receiving layer, the dye image-receiving layer comprising a mixture ofi) a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity;ii) a sulfonated polyester; andiii) a hydrated transition metal or metalloid salt of a strong acid.