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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0921165 (1992-07-29) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 456 인용 특허 : 0 |
A process for the preparation of toner compositions which comprises dissolving a polymer, and optionally a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing a surfactant, or mixture of surfactants; stirring the mixture with optional heating to remove the
A process for the preparation of toner compositions which comprises dissolving a polymer, and optionally a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing a surfactant, or mixture of surfactants; stirring the mixture with optional heating to remove the organic solvent thereby obtaining suspended particles of about 0.05 micron to about 2 microns in volume diameter; subsequently homogenizing the resulting suspension with an optional pigment in water and surfactant; followed by aggregating the mixture by heating thereby providing toner particles with an average particle volume diameter of from between about 3 to about 21 microns when said pigment is present.
A process for the preparation of toner compositions consisting essentially of dissolving a polymer, and a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing a surfactant, or mixture of surfactants; stirring the mixture with optional heating to remove the
A process for the preparation of toner compositions consisting essentially of dissolving a polymer, and a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing a surfactant, or mixture of surfactants; stirring the mixture with optional heating to remove the organic solvent thereby obtaining suspended particles of about 0.05 micron to about 2 microns in volume diameter; subsequently homogenizing the resulting suspension with pigment in water and surfactant; followed by aggregating the resulting suspension by heating thereby providing toner particles with an average particle volume diameter of from between about 3 to about 21 microns. A process for the preparation of toner compositions consisting essentially of dissolving a polymer, in an organic solvent; dispersing the resulting solution in an aqueous media containing nonionic surfactant; stirring the mixture with heating to remove the organic solvent thereby obtaining suspended particles of about 0.05 micron to about 2 microns in volume diameter; subsequently homogenizing the resulting suspension with a pigment in water and nonionic surfactant; followed by aggregating the suspension by heating thereby providing toner particles with an average particle volume diameter of from between about 3 to about 21 microns. A process for the preparation of toner compositions which comprises dissolving a polymer and a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing nonionic surfactant; stirring the mixture with heating to remove the organic solvent and obtaining suspended particles of about 0.05 micron to about 2 microns in volume diameter; subsequently homogenizing the resulting suspension with a nonionic surfactant; followed by aggregating the suspension by heating thereby providing toner particles with an average particle volume diameter of from between about 3 to about 21 microns.
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