JP5562761B2 - 改良された乳化凝集トナーのためのラテックス内への染料の超臨界流体マイクロカプセル化 - Google Patents
改良された乳化凝集トナーのためのラテックス内への染料の超臨界流体マイクロカプセル化 Download PDFInfo
- Publication number
- JP5562761B2 JP5562761B2 JP2010182739A JP2010182739A JP5562761B2 JP 5562761 B2 JP5562761 B2 JP 5562761B2 JP 2010182739 A JP2010182739 A JP 2010182739A JP 2010182739 A JP2010182739 A JP 2010182739A JP 5562761 B2 JP5562761 B2 JP 5562761B2
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- Prior art keywords
- latex
- resin
- colorant
- particles
- dye
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004816 latex Substances 0.000 title claims description 116
- 229920000126 latex Polymers 0.000 title claims description 116
- 239000012530 fluid Substances 0.000 title claims description 41
- 230000002776 aggregation Effects 0.000 title description 20
- 239000000839 emulsion Substances 0.000 title description 20
- 238000004220 aggregation Methods 0.000 title description 14
- 239000002245 particle Substances 0.000 claims description 112
- 238000000034 method Methods 0.000 claims description 61
- 239000011347 resin Substances 0.000 claims description 58
- 229920005989 resin Polymers 0.000 claims description 58
- 239000003086 colorant Substances 0.000 claims description 52
- 239000000203 mixture Substances 0.000 claims description 50
- 230000008569 process Effects 0.000 claims description 41
- 239000006185 dispersion Substances 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000004094 surface-active agent Substances 0.000 claims description 18
- 239000000654 additive Substances 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000178 monomer Substances 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 230000000379 polymerizing effect Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- -1 ethylene, propylene, methanol Chemical class 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- TUZBYYLVVXPEMA-UHFFFAOYSA-N butyl prop-2-enoate;styrene Chemical compound C=CC1=CC=CC=C1.CCCCOC(=O)C=C TUZBYYLVVXPEMA-UHFFFAOYSA-N 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- 230000003796 beauty Effects 0.000 claims 2
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 2
- 239000000975 dye Substances 0.000 description 40
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000005054 agglomeration Methods 0.000 description 6
- 239000002585 base Substances 0.000 description 5
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- 230000009477 glass transition Effects 0.000 description 5
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- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 5
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
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- 239000008346 aqueous phase Substances 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
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- 239000003795 chemical substances by application Substances 0.000 description 2
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- 238000000576 coating method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
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- 239000004645 polyester resin Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- AZJPTIGZZTZIDR-UHFFFAOYSA-L rose bengal Chemical compound [K+].[K+].[O-]C(=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C21 AZJPTIGZZTZIDR-UHFFFAOYSA-L 0.000 description 2
- 229960003138 rose bengal sodium Drugs 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
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- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- CYUZOYPRAQASLN-UHFFFAOYSA-N 3-prop-2-enoyloxypropanoic acid Chemical compound OC(=O)CCOC(=O)C=C CYUZOYPRAQASLN-UHFFFAOYSA-N 0.000 description 1
- AMPCGOAFZFKBGH-UHFFFAOYSA-N 4-[[4-(dimethylamino)phenyl]-(4-methyliminocyclohexa-2,5-dien-1-ylidene)methyl]-n,n-dimethylaniline Chemical compound C1=CC(=NC)C=CC1=C(C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 AMPCGOAFZFKBGH-UHFFFAOYSA-N 0.000 description 1
- QPQKUYVSJWQSDY-UHFFFAOYSA-N 4-phenyldiazenylaniline Chemical compound C1=CC(N)=CC=C1N=NC1=CC=CC=C1 QPQKUYVSJWQSDY-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- RVGRUAULSDPKGF-UHFFFAOYSA-N Poloxamer Chemical compound C1CO1.CC1CO1 RVGRUAULSDPKGF-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- VKWNTWQXVLKCSG-ZDXBJJIESA-N Sudan Red 7B Chemical compound CCNC1=CC=C2C=CC=CC2=C1\N=N\C(C=C1)=CC=C1\N=N\C1=CC=CC=C1 VKWNTWQXVLKCSG-ZDXBJJIESA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
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- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229920005603 alternating copolymer Polymers 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
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- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
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- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
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- 231100000252 nontoxic Toxicity 0.000 description 1
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
- G03G9/0926—Colouring agents for toner particles characterised by physical or chemical properties
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/093—Encapsulated toner particles
- G03G9/0935—Encapsulated toner particles specified by the core material
- G03G9/09357—Macromolecular compounds
- G03G9/09364—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/093—Encapsulated toner particles
- G03G9/0935—Encapsulated toner particles specified by the core material
- G03G9/09378—Non-macromolecular organic compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/093—Encapsulated toner particles
- G03G9/09392—Preparation thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
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Description
形成の後、トナー粒子に、流動補助添加剤を含む外添剤粒子をブレンドすることもでき、これらの添加剤はトナー粒子の表面上に存在することができる。これらの添加剤の例としては、酸化チタン、酸化ケイ素、酸化アルミニウム、酸化セリウム、酸化すず、それらの混合物などのような金属酸化物、AEROSIL(登録商標)のようなコロイド状及び非晶質シリカ、ステアリン酸亜鉛、ステアリン酸カルシウムを含めた金属塩及び脂肪酸金属塩、又はUNILIN700のような長鎖アルコール、及びそれらの混合物が挙げられる。
Claims (14)
- 少なくとも1つのモノマーを重合して100nmから200nmまでの粒径のラテックス粒子を形成し、
前記ラテックス粒子を脱イオン水中に分散してラテックス分散体を形成し、
前記ラテックス分散体を少なくとも1つの染料及び界面活性剤と接触させ、
超臨界流体及び水を前記ラテックス分散体に添加してラテックス染料混合物を形成し、 前記ラテックス染料混合物から前記超臨界流体を除去し、
過剰の未反応着色剤を前記ラテックス染料混合物から洗い流し、
前記着色剤が中に組み入れられた樹脂を回収する
ステップを含むことを特徴とするプロセス。 - 前記モノマーが、スチレン、アクリレート、メタクリレート、ブタジエン、イソプレン、アクリル酸、メタクリル酸、アクリロニトリル、及びこれらの組合せからなる群から選ばれることを特徴とする、請求項1に記載のプロセス。
- 前記樹脂が、ポリ(スチレンブチルアクリレート)を含むことを特徴とする、請求項1に記載のプロセス。
- 前記少なくとも1つの染料が、前記樹脂重量の約0.2から約15パーセントまでの量で存在することを特徴とする、請求項1に記載のプロセス。
- 前記超臨界流体が、メタン、エタン、プロパン、エチレン、プロピレン、メタノール、エタノール、アセトン、及びこれらの組合せからなる群から選ばれる有機溶媒を伴う、水及び二酸化炭素を含むことを特徴とする、請求項1に記載のプロセス。
- 着色剤が組み入れられた前記樹脂を脱イオン水中に再分散させて樹脂/着色剤分散体を形成し、
前記樹脂/着色剤分散体を随意の添加剤と凝集させて凝集粒子を形成し、
前記凝集粒子を合体させてトナー粒子を形成し、
前記トナー粒子を回収するステップ
をさらに含むことを特徴とする、請求項1に記載のプロセス。 - 前記プロセスが実施される容器が、密閉された容量可変セル、高圧反応器、及びこれらの組合せからなる群から選ばれることを特徴とする、請求項1に記載のプロセス。
- 少なくとも1つのモノマーを重合して100nmから200nmまでの粒径のラテックス粒子を形成し、
前記ラテックス粒子を脱イオン水中に分散してラテックス分散体を形成し、
前記ラテックス分散体を少なくとも1つの染料及び界面活性剤と接触させ、
超臨界流体を前記ラテックス分散体に添加することによって、少なくとも1つの着色剤を前記ラテックス分散体の中に組み入れ、ラテックス染料混合物を形成し、
前記ラテックス染料混合物から前記超臨界流体を除去し、
過剰の未反応着色剤を前記ラテックス染料混合物から洗い流し、
着色剤が中に組み入れられた前記樹脂を回収し、
前記着色剤が組み入れられた樹脂を脱イオン水中に再分散させて樹脂/着色剤分散体を形成し、
前記樹脂/着色剤分散体を随意の添加剤と凝集させて凝集粒子を形成し、
前記凝集粒子を合体させてトナー粒子を形成し、
前記トナー粒子を回収するステップ
を含むことを特徴とするプロセス。 - 前記モノマーが、スチレン、アクリレート、メタクリレート、ブタジエン、イソプレン、アクリル酸、メタクリル酸、アクリロニトリル、及びこれらの組合せからなる群から選ばれることを特徴とする、請求項8に記載のプロセス。
- 前記樹脂が、ポリ(スチレンブチルアクリレート)を含むことを特徴とする、請求項8に記載のプロセス。
- 前記少なくとも1つの染料が、約1から約6パーセントまでの量で存在することを特徴とする、請求項8に記載のプロセス。
- 前記プロセスが実施される容器が、密閉された容量可変セル、高圧反応器、及びこれらの組合せからなる群から選ばれることを特徴とする、請求項8に記載のプロセス。
- 前記トナー粒子が約1ミクロンから約10ミクロンまでの粒径を有することを特徴とする、請求項8に記載のプロセス。
- 前記超臨界流体が、メタン、エタン、プロパン、エチレン、プロピレン、メタノール、エタノール、アセトン、及びこれらの組合せからなる群から選ばれる有機溶媒を伴う、水及び二酸化炭素を含むことを特徴とする、請求項1に記載のプロセス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/546,847 US7985526B2 (en) | 2009-08-25 | 2009-08-25 | Supercritical fluid microencapsulation of dye into latex for improved emulsion aggregation toner |
US12/546847 | 2009-08-25 |
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JP2011048362A JP2011048362A (ja) | 2011-03-10 |
JP2011048362A5 JP2011048362A5 (ja) | 2013-10-03 |
JP5562761B2 true JP5562761B2 (ja) | 2014-07-30 |
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JP2010182739A Active JP5562761B2 (ja) | 2009-08-25 | 2010-08-18 | 改良された乳化凝集トナーのためのラテックス内への染料の超臨界流体マイクロカプセル化 |
Country Status (3)
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US (1) | US7985526B2 (ja) |
EP (1) | EP2289981B1 (ja) |
JP (1) | JP5562761B2 (ja) |
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-
2009
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JP2011048362A (ja) | 2011-03-10 |
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US7985526B2 (en) | 2011-07-26 |
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