12-07-2018 дата публикации
Номер: US20180196367A1
Принадлежит:
Provided is a toner having a toner particle that contains a binder resin and a wax, wherein the solubility parameter Sof the binder resin is at least 9.4 and not more than 10.0; the binder resin contains a resin having a structure represented by the following formula (1) in the terminal position on a main chain of the resin, 1. A toner comprising a toner particle that contains a binder resin and a wax , wherein{'sub': 'P', 'the solubility parameter Sof the binder resin is at least 9.4 and not more than 10.0,'} {'br': None, '*—CO—R\u2003\u2003formula (1)'}, 'the binder resin contains a resin having a structure represented by the following formula (1) in the terminal position on a main chain of the resin,'}{'sub': 1', '1, 'wherein in formula (1), R represents a phenyl group or a derivative thereof, or —COOR, Rrepresents an alkyl group having 1 to 4 carbons, and * represents a bond to the main chain of the resin,'}{'sub': 'W', 'the solubility parameter Sof the wax is at least 8.1 and not more than 9.0, and'}{'sub': P', 'W, 'claim-text': {'br': None, 'i': S', '−S, 'sub': P', 'W, '||>0.5\u2003\u2003formula (2)'}, 'Sand Ssatisfy formula (2).'}2. The toner according to claim 1 , wherein the molecular weight of the wax is not more than 2 claim 1 ,500.3. The toner according to claim 1 , wherein the binder resin contains a vinyl resin.4. The toner according to claim 1 , wherein the content of the wax in the toner particle is at least 1 mass % and not more than 30 mass %.5. The toner according to claim 1 , wherein the abundance of the structure represented by formula (1) in the binder resin is at least 5% and not more than 100%.8. The toner production method according to claim 7 , wherein the amount of addition of the chain transfer agent is at least 0.1 mass parts and not more than 5.0 mass parts per 100.0 mass parts of the polymerizable monomer.9. The toner production method according to claim 7 , wherein the polymerization initiator is an alkyl peroxyester organoperoxide ...
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