EP1512051A1 - Verwendung von wachsartigen verbindungen in fototonern - Google Patents
Verwendung von wachsartigen verbindungen in fototonernInfo
- Publication number
- EP1512051A1 EP1512051A1 EP03755126A EP03755126A EP1512051A1 EP 1512051 A1 EP1512051 A1 EP 1512051A1 EP 03755126 A EP03755126 A EP 03755126A EP 03755126 A EP03755126 A EP 03755126A EP 1512051 A1 EP1512051 A1 EP 1512051A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- toner
- formula
- compounds
- alkyl radical
- wax
- 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.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 14
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 6
- 150000002367 halogens Chemical class 0.000 claims abstract description 6
- 239000000049 pigment Substances 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000001993 wax Substances 0.000 description 11
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 150000001735 carboxylic acids Chemical class 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XMHIUKTWLZUKEX-UHFFFAOYSA-N hexacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O XMHIUKTWLZUKEX-UHFFFAOYSA-N 0.000 description 2
- VKOBVWXKNCXXDE-UHFFFAOYSA-N icosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCC(O)=O VKOBVWXKNCXXDE-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- VHOCUJPBKOZGJD-UHFFFAOYSA-N triacontanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O VHOCUJPBKOZGJD-UHFFFAOYSA-N 0.000 description 2
- QUIMJTKRVOBTQN-UHFFFAOYSA-N (2,4-dimethylphenyl)methanol Chemical compound CC1=CC=C(CO)C(C)=C1 QUIMJTKRVOBTQN-UHFFFAOYSA-N 0.000 description 1
- NJVOHKFLBKQLIZ-UHFFFAOYSA-N (2-ethenylphenyl) prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1C=C NJVOHKFLBKQLIZ-UHFFFAOYSA-N 0.000 description 1
- RUPONURESHSCBM-UHFFFAOYSA-N (3,4,5-trimethylphenyl)methanol Chemical compound CC1=CC(CO)=CC(C)=C1C RUPONURESHSCBM-UHFFFAOYSA-N 0.000 description 1
- IQWWTJDRVBWBEL-UHFFFAOYSA-N (3,5-dimethylphenyl)methanol Chemical compound CC1=CC(C)=CC(CO)=C1 IQWWTJDRVBWBEL-UHFFFAOYSA-N 0.000 description 1
- KMTDMTZBNYGUNX-UHFFFAOYSA-N 4-methylbenzyl alcohol Chemical compound CC1=CC=C(CO)C=C1 KMTDMTZBNYGUNX-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 235000021357 Behenic acid Nutrition 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 235000021353 Lignoceric acid Nutrition 0.000 description 1
- CQXMAMUUWHYSIY-UHFFFAOYSA-N Lignoceric acid Natural products CCCCCCCCCCCCCCCCCCCCCCCC(=O)OCCC1=CC=C(O)C=C1 CQXMAMUUWHYSIY-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920004482 WACKER® Polymers 0.000 description 1
- YWMLORGQOFONNT-UHFFFAOYSA-N [3-(hydroxymethyl)phenyl]methanol Chemical compound OCC1=CC=CC(CO)=C1 YWMLORGQOFONNT-UHFFFAOYSA-N 0.000 description 1
- BWVAOONFBYYRHY-UHFFFAOYSA-N [4-(hydroxymethyl)phenyl]methanol Chemical compound OCC1=CC=C(CO)C=C1 BWVAOONFBYYRHY-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 229940116226 behenic acid Drugs 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- ZNQFQCYMBZOKPV-UHFFFAOYSA-N benzyl octacosanoate Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)OCC1=CC=CC=C1 ZNQFQCYMBZOKPV-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- HEZQRPHEDDAJTF-UHFFFAOYSA-N chloro(phenyl)methanol Chemical compound OC(Cl)C1=CC=CC=C1 HEZQRPHEDDAJTF-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007970 homogeneous dispersion Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000012170 montan wax Substances 0.000 description 1
- 238000009896 oxidative bleaching Methods 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- QZZGJDVWLFXDLK-UHFFFAOYSA-N tetracosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC(O)=O QZZGJDVWLFXDLK-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229920006352 transparent thermoplastic Polymers 0.000 description 1
Classifications
-
- 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
- G03G9/087—Binders for toner particles
- G03G9/08775—Natural macromolecular compounds or derivatives thereof
- G03G9/08782—Waxes
-
- 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
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09733—Organic compounds
Definitions
- the present invention relates to the use of waxy compounds containing aromatic units in photo toners and photo toners containing such compounds.
- So-called photo toners are usually used in modern copying processes, which consist of resins, pigments, charge control agents and waxes and, if appropriate, flow aids.
- the powdery photo toners usually initially image the original to be copied on a transfer roller, are transferred from there to the copy paper and then thermally fixed.
- the waxes contained in the toner as a recipe component promote the release of the photo toner from the fixing roller as a separating and anti-offset agent, act as an adhesion promoter during the transfer to the paper and contribute to the homogeneous distribution of the pigments during the production of the toner as a dispersion aid.
- waxes such as polyethylene or polypropylene waxes have been used as wax components in photo toners. These waxes do not meet all the requirements of modern, high-speed copying machines.
- wax components with an improved anti-offset effect, an improved effect with regard to the adhesion of the print to the paper, and further optimized pigment-dispersing properties.
- EP 0 291 872 A1 describes waxy esters of aromatic alcohols and their use as lubricants for highly transparent thermoplastic materials.
- waxes of this type achieve a more homogeneous dispersion of the pigment in the production of the toner and in the fixing process, an improved anti-offset effect and increased adhesion of the print to the paper.
- the invention accordingly relates to the use of waxy compounds of the formula (I)
- R 1 is the group
- R 2 is an alkyl radical with 1 to 4 carbon atoms or halogen
- R 3 is an unbranched alkyl radical with 16 to 36 C atoms and m is 1, 2 or 3 and n is 0 to (6-m).
- R 1 is preferably the group -CH 2 -0-CO-R 3
- R 2 is an alkyl radical having 1 to 4 carbon atoms or halogen
- R 3 is an unbranched alkyl radical with 16 to 36 C atoms and m 1, 2 or 3 and n 0 to (6-m).
- the invention further relates to photo toners containing at least one pigment component, a resin component and a waxy component containing the aromatic units of the formula (I).
- waxy compounds of the formula (I) which can be used according to the invention are formed by reacting aromatic compounds of the formula (II)
- R 1 the group
- R 2 is an alkyl radical with 1 to 4 carbon atoms or halogen, preferably one
- R 3 is an unbranched alkyl radical with 16 to 36 carbon atoms, preferably with 26 to
- R 4 is the group -CH 2 OH or -CH (OH) -CH 2 -OH, preferably -CH 2 OH,
- Suitable starting compounds of the formula (II) are, for example, benzyl alcohol, o-, m-, p-tolylcarbinol, chlorobenzyl alcohol, bromobenzyl alcohol, 2,4-dimethylbenzyl alcohol, 3,5-dimethylbenzyl alcohol, 3,4,5-trimethylbenzyl alcohol, p-cuminal alcohol, 1 , 2-phthalyl alcohol, 1,3-bis (hydroxymethyl) benzene, 1,4-bis (hydroxymethyl) benzene.
- a suitable starting compound of the formula (III) is, for example, styrene oxide.
- Suitable carboxylic acids of the formula (IV) are, for example, arachidic acid,
- photo toners generally contain resins based on polyesters or styrene-acrylate copolymers.
- charge control agents which support the transfer of the toner from the photo roller to the paper base, e.g. quaternary ammonium salts for a positive charge and, for example, aluminum azo complexes for a negative charge of the toner powder.
- quaternary ammonium salts for a positive charge
- aluminum azo complexes for a negative charge of the toner powder.
- small amounts of highly disperse silicas can be added to the toner powder.
- suitable black or color pigments are added to the toners in the thermoplastic mixture.
- styrene-acrylate resin type CPR 100, manufacturer Mitsui; glass temperature 60 ° C; MFR / 140 ° C 5 g / 10 min
- a black pigment carbon black of average particle size of 2 ⁇ m; manufacturer: Timcal
- a charge control agent Copy Charge N4S, manufacturer: Clariant GmbH
- This mixture was then ground to a toner powder with an average particle size of 12 ⁇ m (100% ⁇ 20 ⁇ m).
- a silica-based flow agent (type HDK, manufacturer: Wacker) was then added to the toner powder. 5 g of this now free-flowing mixture were mixed with 95 g of iron powder and filled into the reservoir of a copier.
- Example 1 The procedure was analogous to Example 1. Instead of the benzyl montanate wax used in Example 1, a reaction product of technical montanic acid and styrene oxide which can be used according to the invention was used here (acid number 18 mg KOH / g, dropping point 76 ° C.). At the same time, the pigment content was reduced by 25%. Otherwise, the procedure was as in Example 1. The prints showed the same color depth as a standard tested in parallel according to Example 1 without wax. This shows that more effective pigment dispersion is achieved through the addition of wax.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10223785A DE10223785B4 (de) | 2002-05-29 | 2002-05-29 | Verwendung von wachsartigen Verbindungen in Fototonern |
| DE10223785 | 2002-05-29 | ||
| PCT/EP2003/005448 WO2003100526A1 (de) | 2002-05-29 | 2003-05-20 | Verwendung von wachsartigen verbindungen in fototonern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1512051A1 true EP1512051A1 (de) | 2005-03-09 |
| EP1512051B1 EP1512051B1 (de) | 2005-11-30 |
Family
ID=29557368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03755126A Expired - Lifetime EP1512051B1 (de) | 2002-05-29 | 2003-05-20 | Verwendung von wachsartigen verbindungen in fototonern |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7276321B2 (de) |
| EP (1) | EP1512051B1 (de) |
| JP (1) | JP4121999B2 (de) |
| DE (2) | DE10223785B4 (de) |
| ES (1) | ES2253700T3 (de) |
| WO (1) | WO2003100526A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3716723A1 (de) * | 1987-05-19 | 1988-12-01 | Hoechst Ag | Wachsartige verbindungen aromatischer alkohole, ihre herstellung und verwendung |
| SG49550A1 (en) | 1994-05-31 | 1998-06-15 | Canon Kk | Toner for developing electrostatic images and image forming method |
| US5747213A (en) * | 1995-05-31 | 1998-05-05 | Canon Kabushiki Kaisha | Image forming method and heat fixing method using a toner including a wax |
| JP3825922B2 (ja) | 1997-08-29 | 2006-09-27 | キヤノン株式会社 | 静電荷像現像用トナー及び画像形成方法 |
| WO2001006321A1 (fr) | 1999-07-15 | 2001-01-25 | Fujitsu Limited | Poudre imprimante pour electrophotographie et procede de formation d'images |
| US6492084B2 (en) * | 2000-05-01 | 2002-12-10 | Ricoh Company, Ltd. | Toner for use in electrophotography and image formation method using the toner |
| US6653039B2 (en) * | 2001-04-27 | 2003-11-25 | Ricoh Company Limited | Toner, and electrophotographic image forming method and apparatus using the toner |
| EP1280013B1 (de) | 2001-07-23 | 2008-10-15 | Ricoh Company, Ltd. | Ölfreier Toner |
-
2002
- 2002-05-29 DE DE10223785A patent/DE10223785B4/de not_active Expired - Fee Related
-
2003
- 2003-05-20 ES ES03755126T patent/ES2253700T3/es not_active Expired - Lifetime
- 2003-05-20 US US10/515,397 patent/US7276321B2/en not_active Expired - Fee Related
- 2003-05-20 JP JP2004507919A patent/JP4121999B2/ja not_active Expired - Fee Related
- 2003-05-20 DE DE50301813T patent/DE50301813D1/de not_active Expired - Fee Related
- 2003-05-20 EP EP03755126A patent/EP1512051B1/de not_active Expired - Lifetime
- 2003-05-20 WO PCT/EP2003/005448 patent/WO2003100526A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03100526A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50301813D1 (de) | 2006-01-05 |
| US20050147907A1 (en) | 2005-07-07 |
| DE10223785B4 (de) | 2006-03-23 |
| DE10223785A1 (de) | 2003-12-18 |
| ES2253700T3 (es) | 2006-06-01 |
| JP2005534949A (ja) | 2005-11-17 |
| WO2003100526A1 (de) | 2003-12-04 |
| US7276321B2 (en) | 2007-10-02 |
| JP4121999B2 (ja) | 2008-07-23 |
| EP1512051B1 (de) | 2005-11-30 |
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