JP2012220954A5 - トナー粒子の作成プロセス - Google Patents
トナー粒子の作成プロセス Download PDFInfo
- Publication number
- JP2012220954A5 JP2012220954A5 JP2012073620A JP2012073620A JP2012220954A5 JP 2012220954 A5 JP2012220954 A5 JP 2012220954A5 JP 2012073620 A JP2012073620 A JP 2012073620A JP 2012073620 A JP2012073620 A JP 2012073620A JP 2012220954 A5 JP2012220954 A5 JP 2012220954A5
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- JP
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- Prior art keywords
- particles
- process according
- buffer
- resin
- acid
- 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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- 239000002245 particle Substances 0.000 title claims 12
- 238000000034 method Methods 0.000 title claims 11
- 229920005989 resin Polymers 0.000 claims 8
- 239000011347 resin Substances 0.000 claims 8
- 239000000203 mixture Substances 0.000 claims 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims 3
- BZKBCQXYZZXSCO-UHFFFAOYSA-N sodium hydride Chemical compound [H-].[Na+] BZKBCQXYZZXSCO-UHFFFAOYSA-N 0.000 claims 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 2
- 229920001225 Polyester resin Polymers 0.000 claims 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M Potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims 2
- 238000002844 melting Methods 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- 239000004645 polyester resin Substances 0.000 claims 2
- 235000017281 sodium acetate Nutrition 0.000 claims 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 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 claims 1
- 229920001634 Copolyester Polymers 0.000 claims 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N Phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims 1
- WFIZEGIEIOHZCP-UHFFFAOYSA-M Potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 claims 1
- FRMWBRPWYBNAFB-UHFFFAOYSA-M Potassium salicylate Chemical compound [K+].OC1=CC=CC=C1C([O-])=O FRMWBRPWYBNAFB-UHFFFAOYSA-M 0.000 claims 1
- 229940087562 Sodium Acetate Trihydrate Drugs 0.000 claims 1
- 229940039790 Sodium Oxalate Drugs 0.000 claims 1
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L Sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 claims 1
- DJWUNCQRNNEAKC-UHFFFAOYSA-L Zinc acetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O DJWUNCQRNNEAKC-UHFFFAOYSA-L 0.000 claims 1
- 235000011054 acetic acid Nutrition 0.000 claims 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 1
- 238000004220 aggregation Methods 0.000 claims 1
- 230000002776 aggregation Effects 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 239000002738 chelating agent Substances 0.000 claims 1
- 235000015165 citric acid Nutrition 0.000 claims 1
- 239000011258 core-shell material Substances 0.000 claims 1
- HQWKKEIVHQXCPI-UHFFFAOYSA-L disodium;phthalate Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C([O-])=O HQWKKEIVHQXCPI-UHFFFAOYSA-L 0.000 claims 1
- 239000000839 emulsion Substances 0.000 claims 1
- 230000001747 exhibiting Effects 0.000 claims 1
- 235000019253 formic acid Nutrition 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N fumaric acid Chemical compound OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 1
- 235000006408 oxalic acid Nutrition 0.000 claims 1
- 235000011007 phosphoric acid Nutrition 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 235000011056 potassium acetate Nutrition 0.000 claims 1
- 229960003629 potassium salicylate Drugs 0.000 claims 1
- 229960004889 salicylic acid Drugs 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- VMHLLURERBWHNL-UHFFFAOYSA-M sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims 1
- 239000001632 sodium acetate Substances 0.000 claims 1
- AYRVGWHSXIMRAB-UHFFFAOYSA-M sodium acetate trihydrate Chemical compound O.O.O.[Na+].CC([O-])=O AYRVGWHSXIMRAB-UHFFFAOYSA-M 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims 1
- 239000004246 zinc acetate Substances 0.000 claims 1
- 235000013904 zinc acetate Nutrition 0.000 claims 1
Claims (9)
- 少なくとも１種類のアモルファス樹脂と、少なくとも１種類の結晶性樹脂と、１種類のスチレン／アクリレートゲルとを混合物中で接触させることと；
前記混合物を凝集させて粒子を作成することと；
キレート化剤を用いずに前記粒子の成長を凍結することと；
前記粒子を融着させて、光沢が低く、低融点であるトナー粒子を作成することを含み、
前記融着させることが、前記粒子のｐＨを下げるため、前記粒子に、ｐＨが３〜７のバッファを秤量しつつ望ましいｐＨになるまで０．２５時間〜１０時間かけて加えることを含むものである、光沢が低く、低融点であるトナー粒子の作成プロセス。 - 前記混合物のｐＨを、０．００５ｐＨ単位／分〜０．１ｐＨ単位／分の速度で下げる、請求項１に記載のプロセス。
- 前記少なくとも１種類のアモルファス樹脂が、アルコキシル化ビスフェノールＡフマレート／テレフタレート系ポリエステルまたはコポリエステル樹脂を含む少なくとも１種類のアモルファスポリエステル樹脂を含み、前記少なくとも１種類の結晶性ポリエステル樹脂が、以下の式を有し、
- 前記バッファを前記粒子に加えることが、乾燥トナー１００ｇあたり、０．１ｇ／分〜５ｇ／分の速度で前記バッファを加えることを含む、請求項１〜３のいずれか一項に記載のプロセス。
- 前記バッファが、酢酸、クエン酸、ギ酸、シュウ酸、フタル酸、サリチル酸、これらの組み合わせからなる群から選択される酸と、酢酸ナトリウム、酢酸ナトリウム三水和物、酢酸カリウム、酢酸亜鉛、リン酸水素ナトリウム、ギ酸カリウム、シュウ酸ナトリウム、フタル酸ナトリウム、サリチル酸カリウム、これらの組み合わせからなる群から選択される塩とを含み、前記望ましいｐＨが４〜７である、請求項１〜４のいずれか一項に記載のプロセス。
- 前記バッファが、前記混合物中に、１重量％〜６０重量％の濃度で存在する、請求項１〜５のいずれか一項に記載のプロセス。
- 前記トナーが、０．１ｇｇｕ〜３０ｇｇｕの光沢を示す、請求項１〜６のいずれか一項に記載のプロセス。
- 凝集の後に、少なくとも１種類のシェル用アモルファス樹脂を含むエマルションと前記粒子とを接触させ、粒子の周りにシェルを作成し、コア−シェル構造をもつトナー粒子を作成することをさらに含む、請求項１〜７のいずれか一項に記載のプロセス。
- 前記少なくとも１種類のアモルファス樹脂が、低分子量アモルファス樹脂と高分子量アモルファス樹脂とを含む、請求項１〜８のいずれか一項に記載のプロセス。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/083,838 US8980520B2 (en) | 2011-04-11 | 2011-04-11 | Toner compositions and processes |
| US13/083,838 | 2011-04-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012220954A JP2012220954A (ja) | 2012-11-12 |
| JP2012220954A5 true JP2012220954A5 (ja) | 2015-05-21 |
| JP5781970B2 JP5781970B2 (ja) | 2015-09-24 |
Family
ID=46875376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012073620A Active JP5781970B2 (ja) | 2011-04-11 | 2012-03-28 | トナー粒子の作成プロセス |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8980520B2 (ja) |
| JP (1) | JP5781970B2 (ja) |
| KR (1) | KR101793291B1 (ja) |
| CN (1) | CN102736454B (ja) |
| BR (1) | BR102012008414A2 (ja) |
| CA (1) | CA2773741C (ja) |
| DE (1) | DE102012205785B4 (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8846283B2 (en) * | 2012-11-28 | 2014-09-30 | Xerox Corporation | Hyperpigmented toner |
| US9329508B2 (en) | 2013-03-26 | 2016-05-03 | Xerox Corporation | Emulsion aggregation process |
| US20150104742A1 (en) | 2013-10-11 | 2015-04-16 | Xerox Corporation | Emulsion aggregation toners |
| US9046801B2 (en) * | 2013-10-29 | 2015-06-02 | Xerox Corporation | Hybrid emulsion aggregate toner |
| JP6293635B2 (ja) | 2014-01-22 | 2018-03-14 | ゼロックス コーポレイションＸｅｒｏｘ Ｃｏｒｐｏｒａｔｉｏｎ | ハイブリッド乳化凝集トナー |
| US9400440B2 (en) * | 2014-12-05 | 2016-07-26 | Xerox Corporation | Styrene/acrylate and polyester hybrid toner |
| US9341968B1 (en) * | 2015-04-01 | 2016-05-17 | Xerox Corporation | Toner particles comprising both polyester and styrene acrylate polymers having a polyester shell |
| US10495996B1 (en) * | 2018-10-02 | 2019-12-03 | Xerox Corporation | Surface additive infrared taggant toner |
| US20240192620A1 (en) * | 2022-11-28 | 2024-06-13 | Ricoh Company, Ltd. | Resin particle, toner, toner accommodating unit, image forming apparatus, and image forming method |
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-
2011
- 2011-04-11 US US13/083,838 patent/US8980520B2/en active Active
-
2012
- 2012-03-28 JP JP2012073620A patent/JP5781970B2/ja active Active
- 2012-04-05 CA CA2773741A patent/CA2773741C/en not_active Expired - Fee Related
- 2012-04-10 DE DE102012205785.4A patent/DE102012205785B4/de active Active
- 2012-04-10 KR KR1020120037375A patent/KR101793291B1/ko active IP Right Grant
- 2012-04-10 BR BRBR102012008414-7A patent/BR102012008414A2/pt not_active Application Discontinuation
- 2012-04-11 CN CN201210105373.6A patent/CN102736454B/zh not_active Expired - Fee Related
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