Patent application number | Description | Published |
20110218301 | POLYMER AND METHOD FOR PRODUCING THE SAME - A method for producing a polymer, including polymerizing a ring-opening polymerizable monomer in a compressive fluid with a metal-free organic catalyst to produce a polymer. | 09-08-2011 |
20110218313 | POLYMER PARTICLE AND METHOD FOR PRODUCING THE SAME - A method for producing polymer particles, including (A) polymerizing and granulating a ring-opening polymerizable monomer in a compressive fluid with a catalyst in the presence of a surfactant, or (B) polymerizing and granulating an addition polymerizable monomer in a compressive fluid in the presence of a silicone surfactant. | 09-08-2011 |
20110236818 | METHOD FOR PREPARING PARTICULATE RELEASE AGENT, TONER USING THE PARTICULATE RELEASE AGENT, AND METHOD FOR PREPARING THE TONER - A toner for developing an electrostatic image is provided. The toner includes at least a binder resin; a colorant; and a particulate release agent. The particulate release agent is prepared by heating the release agent to a temperature not lower than a melting point of the release agent to melt the release agent, dissolving the melted release agent in a supercritical fluid or a sub-critical fluid, and feeding the solution into a liquid so that the solution is depressurized and the particulate release agent is formed in the liquid. | 09-29-2011 |
20120065357 | RESIN FOR USE IN TONER, AND TONER AND DEVELOPER USING THE RESIN - A resin for use in toner including a polyhydroxycarboxylic acid skeleton in an amount of 50 to 80% by mass. The resin is soluble in organic solvents and has a glass transition temperature of 60° C. or more. | 03-15-2012 |
20120112374 | METHOD FOR PRODUCING PARTICLES, METHOD FOR PRODUCING TONER, AND APPARATUS FOR PRODUCING PARTICLES - A method for producing particles, including: bringing a compressive fluid into contact with a pressure plastic material, so as to produce a melt of the pressure plastic material; and discharging the melt of the pressure plastic material by differential pressure to a space, so as to form particles, wherein the discharging includes at least one of (A) discharging the melt of the pressure plastic material while a compressive fluid is supplied to the melt of the pressure plastic material, and (B) discharging the melt of the pressure plastic material through one or more through-holes, to which vibration is applied, so as to change the shape of the melt of the pressure plastic material from a columnar shape, through the columnar shape with constrictions, into a particle shape. | 05-10-2012 |
20120129094 | TONER - A toner prepared by a method comprising granulating while polymerizing a ring-opening polymerizable monomer with a catalyst under the presence of a surfactant and a colorant in a compressible fluid. | 05-24-2012 |
20120225377 | PARTICLE PRODUCING METHOD, PARTICLE, TONER, DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PARTICLE PRODUCING METHOD - A particle producing method is provided including bringing a material into contact with a compressible fluid to prepare a melt of the material, and discharging the melt from a vibrated through hole to form particles of the melt. A particle producing apparatus is also provided including a discharger to discharge the melt. The discharger includes a storage to store the melt, at least one through hole disposed on the storage, and a vibrator to vibrate the through hole. The particle producing apparatus further includes a particle forming member defining a space within which the discharged melt is formed into particles and a pressure controller controlling a pressure difference between the space and an inside of the storage so that the discharged melt is formed into a columnar melt and the columnar melt is constricted and separated into particles. | 09-06-2012 |
20120322005 | PARTICLES AND METHOD FOR PRODUCING THE SAME, TONER AND METHOD FOR PRODUCING THE SAME, DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - A method for producing particles, including: bringing a compressive fluid into contact with a pressure plastic material, so as to plasticize the pressure plastic material; applying a shear force to the compressive fluid and the plasticized pressure plastic material, between which an interface exists, in the presence of a surfactant to granulate the pressure plastic material in the compressive fluid, so as to produce particles. | 12-20-2012 |
20140163194 | METHOD FOR PRODUCING POLYMER - To provide a method for producing a polymer, which contains: bringing a compressive fluid and a ring-opening polymerizable monomer into contact with each other, followed by adding a catalyst thereto, to thereby allow the ring-opening polymerizable monomer to carry out ring-opening polymerization. | 06-12-2014 |
20140200326 | POLYMER PRODUCT, POLYMER COMPACT, POLYMER COMPACT FOR MEDICAL USE, TONER, AND POLYMER COMPOSITION - To provide a polymer product, which is substantially free from an organic solvent and a metal atom, and has a number average molecular weight of 12,000 or greater. | 07-17-2014 |
20140213754 | METHOD FOR PRODUCING POLYMER, AND POLYMER PRODUCT - To provide a method for producing a polymer, which contains: bringing an intermediate polymer, which has been obtained through ring-opening polymerization of a ring-opening polymerizable monomer, into contact with, and melting the intermediate polymer in a compressive fluid having a density of 230 kg/m | 07-31-2014 |
20140296448 | METHOD FOR PRODUCING POLYMER, DEVICE FOR PRODUCING POLYMER, DEVICE FOR PRODUCING COMPLEX, AND POLYMER PRODUCT - To pvodie a method for producing a polymer, which contains continuously supplying and bringing at least a ring-opening polymerizable monomer and a compressive fluid into contact with each other, to thereby allow the ring-opening polymerizable monomer to carry out ring-opening polymerization to continuously generate a polymer. | 10-02-2014 |
20140342286 | TONER - A toner prepared by a method comprising granulating while polymerizing a ring-opening polymerizable monomer with a catalyst under the presence of a surfactant and a colorant in a compressible fluid. | 11-20-2014 |
20140350209 | METHOD FOR PRODUCING POLYMER AND POLYMER PRODUCT - A method for producing a polymer, including: (i) bringing a compressive fluid and raw materials containing a ring-opening polymerizable monomer into contact with each other at a mixing ratio represented by the following formula, to thereby allow the ring-opening polymerizable monomer to carry out ring-opening polymerization in the presence of a metal catalyst: 1{Mass of the raw materials/(Mass of the raw materials+Mass of the compressive fluid)} | 11-27-2014 |
20140356441 | CORE-SHELL TYPE PARTICLES AND METHOD FOR PRODUCING THE SAME - A method for producing core-shell type particles, including:
| 12-04-2014 |
20140371420 | POLYMER PARTICLE AND METHOD FOR PRODUCING THE SAME - A method for producing polymer particles, including (A) polymerizing and granulating a ring-opening polymerizable monomer in a compressive fluid with a catalyst in the presence of a surfactant, or (B) polymerizing and granulating an addition polymerizable monomer in a compressive fluid in the presence of a silicone surfactant. | 12-18-2014 |
20150011724 | METHOD FOR PRODUCING POLYMER - A method for producing a polymer, including: (i) bringing a compressive fluid and raw materials containing a ring-opening polymerizable monomer into contact with each other at a mixing ratio represented by the following formula, to thereby allow the ring-opening polymerizable monomer to carry out ring-opening polymerization: 1>{Mass of the raw materials/(Mass of the raw materials+Mass of the compressive fluid)}≧0.5. | 01-08-2015 |
20150018513 | METHOD FOR PRODUCING POLYMER AND DEVICE FOR PRODUCING POLYMER - A method for producing a polymer, including: (i) continuously supplying and bringing at least a first monomer, which is ring-opening polymerizable, and a compressive fluid into contact with each other, to thereby allow the first monomer to carry out ring-opening polymerization to continuously generate an intermediate; and (ii) bringing the intermediate and a second monomer, which is identical to or different from the first monomer in kind, into contact with each other, to thereby allow the intermediate and the second monomer to carry out polymerization. | 01-15-2015 |
20150031827 | POLYMER, CLATHRATE USING THE POLYMER, AND AQUEOUS DISPERSION OF SHEET OF THE POLYMER - A polymer is provided. The polymer includes a polymer chain; and a saccharide bonded with the polymer chain. The polymer does not substantially include an organic solvent and a metal atom, and includes a residual monomer in an amount of not greater than 1,000 ppm, which is relatively small compared to the amount of residual monomer in a polymer prepared by a conventional method. The polymer is preferably used for a clathrate, a sheet, and an aqueous dispersion of the sheet. | 01-29-2015 |
20150043943 | METHOD FOR PRODUCING PARTICLES, TONER, DEVELOPER, AND IMAGE FORMING APPARATUS - To provide a method for producing particles, which contains: bringing a first compressive fluid and raw materials containing a pressure plastic material into contact with each other to melt the pressure plastic material; and jetting a melt obtained by melting the pressure plastic material, with supplying a second compressive fluid containing nitrogen to the melt, to thereby form particles. | 02-12-2015 |