Patent ID: 8916322
Filing Date: 2014-12-23
Classification: G03G,Y02P

Abstract:
1. An amorphous polyester toner resin consisting of a depolymerized polyethylene terephthalate (PET) polyol monomer, a diacid monomer or anhydride thereof and an optional diol, wherein said diacid comprises a biodegradable diacid, a non-biodegradable diacid or both; said PET polyol comprises ethylene terephthalate and PET oligomers; said diacid monomer or anhydride thereof comprises a trimellitic anhydride and a succinic anhydride said optional diol comprises a biodegradable diol, a non-biodegradable diol or both; said toner resin further comprising an optional polyol, an optional polyacid or both, wherein said optional polyol and said optional polyacid comprise at least three functional groups; and said toner resin comprises a sustainability content of at least about 70%.