Sustainable toners
First Claim
Patent Images
1. A polyester resin comprising a polycondensation product of:
- (a) at least one compound selected from the group consisting of diacids, acid esters, and diesters; and
(b) at least two diols;
wherein the at least two diols comprise a disproportionated rosin diol and 2,2-bis(4-hydroxyphenyl)propane.
7 Assignments
0 Petitions
Accused Products
Abstract
Disclosed is a polyester resin containing the polycondensation product of (a) at least one diacid, acid ester, or diester, and (b) at least two diols. The at least two diols include a disproportionated rosin diol and 2,2-bis(4-hydroxyphenyl)propane. Also disclosed is a toner composition having particles which include the disclosed polyester resin. Further disclosed is a method of preparing the disclosed polyester resin, and a method of forming toner particles that includes the disclosed polyester resin.
-
Citations
20 Claims
-
1. A polyester resin comprising a polycondensation product of:
-
(a) at least one compound selected from the group consisting of diacids, acid esters, and diesters; and (b) at least two diols; wherein the at least two diols comprise a disproportionated rosin diol and 2,2-bis(4-hydroxyphenyl)propane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A toner composition comprising toner particles comprising:
-
a polyester resin comprising the polycondensation product of; (a) at least one compound selected from the group consisting of diacids, acid esters, and diesters; and (b) at least two diols; wherein the at least two diols comprise a rosin diol and 2,2-bis(4-hydroxyphenyl)propane. - View Dependent Claims (12, 13, 14, 15, 16, 17)
-
-
18. A method of preparing a polyester resin, the method comprising polycondensing
(a) at least one compound selected from the group consisting of diacids, acid esters, and diesters; - and
(b) at least two diols; wherein the at least two diols comprise a rosin diol and 2,2-bis(4-hydroxyphenyl)propane. - View Dependent Claims (19, 20)
- and
Specification