Molecular imprinted material and inkjet recording element comprising said molecular imprinted material
View Patent ↗The present invention relates to an inkjet recording element having outstanding dye keeping properties in time. Said recording element comprises at least one molecular imprinted polymer having sites of selective recognition of dye molecules corresponding to the dye molecules used in inks for inkjet printing.
1. An inkjet recording element, characterized in that it comprises at least one molecular imprinted polymer material having sites of selective recognition of dye molecules corresponding to the dye molecules used in the ink.
2. The recording element according to claim 1 , wherein it comprises at least one layer including at least one molecular imprinted polymer material having sites of selective recognition of dye molecules selected from the group consisting of yellow dyes, magenta dyes and cyan dyes.
3. The recording element according to claim 2 , wherein it comprises one layer including a molecular imprinted polymer material having sites of selective recognition of yellow dye molecules, one layer including a molecular imprinted polymer material having sites of selective recognition of magenta dye molecules, and one layer including a molecular imprinted polymer having sites of selective recognition of cyan dye molecules.
4. The recording element according to claim 2 , wherein it comprises one layer including a molecular imprinted polymer material having sites of selective recognition of yellow dye molecules, a molecular imprinted polymer material having sites of selective recognition of cyan dye molecules, and a molecular imprinted polymer material having sites of selective recognition of magenta dye molecules.
5. The recording element according to claim 1 , wherein said molecular imprinted polymer is selected from the group consisting of the polyacrylics, polymethacrylics, polyvinylics, their esters and copolymers, polyurethanes, polymers from the condensation of amine esters of boronic acid, polyphenols, diamine polyphenylenes, and polypyrroles.
6. The recording element material according to claim 1 , wherein said molecular imprinted polymer is obtained from functional monomers selected from the group consisting of silica, silicon alkoxide and titanium oxide.
7. The recording element according to claim 1 , wherein the ink-receiving layer comprises between 5 percent and 100 percent by weight of molecular imprinted materials compared with the total weight of the dry receiving layer.
8. The recording element according to claim 1 , wherein the molecular imprinted polymer having sites of selective recognition of dye molecules corresponding to the dye molecules used in the ink is formed by the following steps:
a) polymerizing functional monomers in the presence of template molecules with similar or identical structure to the dye molecules used in the inks for inkjet printing,
b) extracting the template molecules from the polymer to form recognition sites of said dye molecules.
9. The recording element according to claim 8 , wherein the polymer is selected from the group consisting of polyacrylics, polymethacrylics, polyvinylics, their esters and copolymers, polyurethanes, polymers from the condensation of amine esters of boronic acid, polyphenols, diamine polyphenylenes, and polypyrroles.
10. The recording element according to claim 8 , wherein the polymer is obtained from functional monomers selected from the group consisting of silica, silicon alkoxide and titanium oxide.
11. An ink and recording element system, comprising at least one ink containing dye molecules and a recording element according to claim 1 comprising at least one molecular imprinted polymer material having sites of selective recognition of dye molecules contained in the at least one ink.
12. The ink and recording element system according to claim 11 , wherein the recording element comprises at least one layer including at least one molecular imprinted polymer material having sites of selective recognition of dye molecules contained in the at least one ink selected from the group consisting of yellow dyes, magenta dyes and cyan dyes.
13. The ink and recording element system according to claim 12 , comprising an ink containing yellow dye molecules, an ink containing magenta dye molecules, and an ink containing cyan dye molecules, and wherein the recording element comprises one layer including a molecular imprinted polymer material having sites of selective recognition of the yellow dye molecules, one layer including a molecular imprinted polymer material having sites of selective recognition of the magenta dye molecules, and one layer including a molecular imprinted polymer having sites of selective recognition of the cyan dye molecules.
14. The ink and recording element system according to claim 12 , comprising an ink containing yellow dye molecules, an ink containing magenta dye molecules, and an ink containing cyan dye molecules, and wherein the recording element comprises one layer including a molecular imprinted polymer material having sites of selective recognition of the yellow dye molecules, a molecular imprinted polymer material having sites of selective recognition of the cyan dye molecules, and a molecular imprinted polymer material having sites of selective recognition of the magenta dye molecules.
15. The ink and recording element system according to claim 11 , wherein said molecular imprinted polymer is selected from the group consisting of the polyacrylics, polymethacrylics, polyvinylics, their esters and copolymers, polyurethanes, polymers from the condensation of amine esters of boronic acid, polyphenols, diamine polyphenylenes, and polypyrroles.
16. The ink and recording element system according to claim 11 , wherein said molecular imprinted polymer is obtained from functional monomers selected from the group consisting of silica, silicon alkoxide and titanium oxide.
17. The ink and recording element system according to claim 11 , wherein the ink-receiving layer comprises between 5 percent and 100 percent by weight of molecular imprinted materials compared with the total weight of the dry receiving layer.
18. The ink and recording element system according to claim 11 , wherein the molecular imprinted polymer having sites of selective recognition of dye molecules corresponding to the dye molecules used in the ink is formed by the following steps:
a) polymerizing functional monomers in the presence of template molecules with similar or identical structure to the dye molecules used in the ink,
b) extracting the template molecules from the polymer to form recognition sites of said dye molecules.
19. The ink and recording element system according to claim 18 , wherein the polymer is selected from the group consisting of polyacrylics, polymethacrylics, polyvinylics, their esters and copolymers, polyurethanes, polymers from the condensation of amine esters of boronic acid, polyphenols, diamine polyphenylenes, and polypyrroles.
20. The ink and recording element system according to claim 18 , wherein the polymer is obtained from functional monomers selected from the group consisting of silica, silicon alkoxide and titanium oxide.