Alcohol compound, a polyester resin, an unsaturated particle resin, a resin particle and an electrophotographic toner
It is an object of the present invention to provide a new alcohol compound, a polyester resin, an unsaturated polyester resin, a resin particle and an electrophotographic toner using the compound capable of using the renewable resources as a part of a raw material. An alcohol compound according to the present invention is characterized by representing the chemical formula [Chemical 1]. Furthermore, the polyester resin or the unsaturated polyester resin according to the present invention, is characterized in that the compound (wherein X is an aliphatic or an aromatic residue, Y is a refined rosin residue, a disproportionated rosin residue or a hydrogenated rosin residue, and n=0 to 1 in the formula.) is an essential component of an alcohol component. Further, the resin particle of the present invention is characterized by comprising the polyester resin.
1. An unsaturated polyester resin wherein a compound is an essential component of an alcohol component;
wherein the compound is represented by the following chemical formula [Chemical 1]:
wherein X is an aliphatic or an aromatic residue, Y is a refined rosin residue, a disproportionated rosin residue or a hydrogenated rosin residue, and n=0 to 1 in the formula.
2. An unsaturated polyester resin wherein a compound is an essential component of an alcohol component and is contained at 20 percent by weight or more as a raw material of an unsaturated polyester;
wherein the compound is represented by the following chemical formula [Chemical 1]:
wherein X is an aliphatic or an aromatic residue, Y is a refined rosin residue, a disproportionated rosin residue or a hydrogenated rosin residue, and n=0 to 1 in the formula.
3. A premix molding compound comprising the unsaturated polyester resin according to claim 1 .
4. A premix molding compound according to claim 3 , wherein the compound is a sheet molding compound, or a bulk molding compound.
5. A polyester resin wherein a compound shown in the following chemical formula [Chemical 1], is an essential component of an alcohol component:
wherein X is an aliphatic or an aromatic residue, Y is a refined rosin residue, a disproportionated rosin residue or a hydrogenated rosin residue, and n=0 to 1.
6. A polyester resin according to claim 5 , wherein the compound is obtained by the addition reaction of one or more selected from the group consisting of a refined rosin, a disproportionated rosin, and a hydrogenated rosin, to an epoxy group of a compound having two epoxy groups in one molecule and shown in the following chemical formula [Chemical 2]:
wherein X is an aliphatic or an aromatic residue, and n=0 to 1.
7. A polyester resin according to claim 5 , wherein the compound according to claim 7 is contained at 20 percent by weight or more as a raw material of polyester.
8. A resin composition for a powder coating comprising the polyester resin according to claim 5 .
9. A resin composition for an electrophotographic developer comprising the polyester resin according to claim 5 .
10. An urethane acrylate resin comprising the polyester resin according to claim 5 that is modified by isocyanate.
11. A resin particle comprising a polyester resin wherein a compound shown in the following chemical formula[Chemical 1], is an essential component of an alcohol component of the polyester resin:
wherein X is an aliphatic or an aromatic residue, Y is a refined rosin residue, a disproportionated rosin residue or a hydrogenated rosin residue, and n=0 to 1.
12. A resin particle according to claim 11 , wherein an average particle diameter of the resin particle is within a range from 0.01 to 1 μm.
13. A resin particle according to claim 11 , wherein the resin particle is obtained by causing the phase inversion by means of adding a neutralizing agent and a water-based medium into a resin solution made by dissolving the polyester resin into an organic solvent, and thereby forming an O/W emulsion of resin particle, and further removing the organic solvent from a dispersion of an O/W emulsion of resin particle.
14. A resin particle according to claim 11 , wherein the compound is obtained by the addition reaction of one or more selected from the group consisting of a refined rosin, a disproportionated rosin, and a hydrogenated rosin, to an epoxy group of a compound having two epoxy groups in one molecule and shown in the following chemical formula[Chemical 2]:
wherein X is an aliphatic or an aromatic residue, and n=0 to 1.
15. A resin particle according to claim 11 , wherein the compound according to claim 13 is contained at 20 percent by weight or more as a raw material of polyester.
16. A resin particle according to claim 13 , wherein the neutralizing agent is contained at 0.8 to 1.7 equivalent per equivalent of a carboxyl group contained in the polyester resin.
17. An electrophotographic toner, wherein the electrophotographic toner comprises at least a polyester resin and a colorant, and comprises a resin particle comprising the polyester resin wherein a compound shown in the following chemical formula [Chemical 1], is an essential component of an alcohol component of the polyester resin:
wherein X is an aliphatic or an aromatic residue, Y is a refined rosin residue, a disproportionated rosin residue or a hydrogenated rosin residue, and n=0 to 1.
18. An electrophotographic toner according to claim 17 , wherein an average particle diameter of the resin particle is within a range from 0.01 to 1 μm.
19. An electrophotographic toner according to claim 17 , wherein the toner comprises a resin particle obtained by causing the phase inversion by means of adding a neutralizing agent and a water-based medium into a resin solution made by dissolving the polyester resin into an organic solvent, and thereby forming an O/W emulsion of resin particle, and further removing the organic solvent from a dispersion of an O/W emulsion of resin particle.
20. An electrophotographic toner according to claim 17 , wherein the compound is obtained by the addition reaction of one or more selected from the group consisting of a refined rosin, a disproportionated rosin, and a hydrogenated rosin, to an epoxy group of a compound having two epoxy groups in one molecule and shown in the following chemical formula [Chemical 2]:
wherein is an aliphatic or an aromatic residue, and n=0 to 1.
21. An electrophotographic toner according to claim 17 , wherein the compound according to claim 19 is contained at 20 percent by weight or more as a raw material of polyester.
22. An electrophotographic toner according to claim 19 , wherein the neutralizing agent is contained at 0.8 to 1.7 equivalent per equivalent of a carboxyl group contained in the polyester resin.
23. The unsaturated polyester resin according to claim 1 , wherein the compound is obtained by the addition reaction of one or more rosins selected from the group consisting of a refined rosin, a disproportionated rosin, and a hydrogenated rosin, to an epoxy group of a compound having two epoxy groups in one molecule and shown in the following chemical formula [Chemical 2]:
wherein X is an aliphatic or an aromatic residue, and n=0 to 1.
24. The unsaturated polyester resin according to claim 2 , wherein the compound is obtained by the addition reaction of one or more rosins selected from the group consisting of a refined rosin, a disproportionated rosin, and a hydrogenated rosin, to an epoxy group of a compound having two epoxy groups in one molecule and shown in the following chemical formula [Chemical 2]:
wherein X is an aliphatic or an aromatic residue, and n=0 to 1.