JPS6355563A - Electrophotographic toner - Google Patents
Electrophotographic tonerInfo
- Publication number
- JPS6355563A JPS6355563A JP61198145A JP19814586A JPS6355563A JP S6355563 A JPS6355563 A JP S6355563A JP 61198145 A JP61198145 A JP 61198145A JP 19814586 A JP19814586 A JP 19814586A JP S6355563 A JPS6355563 A JP S6355563A
- Authority
- JP
- Japan
- Prior art keywords
- molecular weight
- toner
- average molecular
- epoxy resin
- acid amide
- 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.)
- Pending
Links
- 239000003822 epoxy resin Substances 0.000 claims abstract description 18
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 18
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 10
- 229930195729 fatty acid Natural products 0.000 claims abstract description 10
- 239000000194 fatty acid Substances 0.000 claims abstract description 10
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 10
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 abstract description 9
- 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 abstract description 6
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 abstract description 5
- FTQWRYSLUYAIRQ-UHFFFAOYSA-N n-[(octadecanoylamino)methyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCNC(=O)CCCCCCCCCCCCCCCCC FTQWRYSLUYAIRQ-UHFFFAOYSA-N 0.000 abstract description 4
- HSEMFIZWXHQJAE-UHFFFAOYSA-N hexadecanamide Chemical compound CCCCCCCCCCCCCCCC(N)=O HSEMFIZWXHQJAE-UHFFFAOYSA-N 0.000 abstract description 3
- 238000002834 transmittance Methods 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract 1
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 abstract 1
- 229940037312 stearamide Drugs 0.000 abstract 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- FEIQOMCWGDNMHM-UHFFFAOYSA-N 5-phenylpenta-2,4-dienoic acid Chemical compound OC(=O)C=CC=CC1=CC=CC=C1 FEIQOMCWGDNMHM-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- MHXFWEJMQVIWDH-UHFFFAOYSA-N 1-amino-4-hydroxy-2-phenoxyanthracene-9,10-dione Chemical compound C1=C(O)C=2C(=O)C3=CC=CC=C3C(=O)C=2C(N)=C1OC1=CC=CC=C1 MHXFWEJMQVIWDH-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- FEEPBTVZSYQUDP-UHFFFAOYSA-N heptatriacontanediamide Chemical compound NC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(N)=O FEEPBTVZSYQUDP-UHFFFAOYSA-N 0.000 description 1
- JYGXADMDTFJGBT-VWUMJDOOSA-N hydrocortisone Chemical compound O=C1CC[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 JYGXADMDTFJGBT-VWUMJDOOSA-N 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XOSXWYQMOYSSKB-LDKJGXKFSA-L water blue Chemical compound CC1=CC(/C(\C(C=C2)=CC=C2NC(C=C2)=CC=C2S([O-])(=O)=O)=C(\C=C2)/C=C/C\2=N\C(C=C2)=CC=C2S([O-])(=O)=O)=CC(S(O)(=O)=O)=C1N.[Na+].[Na+] XOSXWYQMOYSSKB-LDKJGXKFSA-L 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Landscapes
- Developing Agents For Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、優れた低温定着性を有する電子写真用トナー
に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electrophotographic toner having excellent low-temperature fixability.
電子写真法による複写において、トナー像の定着方法の
一つとして、ヒートロールによる加熱溶融接触方式が用
いられている。近年、エネルギー消費量の低減化による
家庭電化製品への展開、複写速度の高速化及びフルカラ
ー複写機の普及に伴い、定着温度の低いトナーが要望さ
れている。このためトナーのバインダー樹脂として、最
近ではエポキシ樹脂が好ましく用いられている。In electrophotographic copying, a heating melt contact method using a heat roll is used as one of the methods for fixing toner images. In recent years, there has been a demand for toner with a low fixing temperature due to the development of home appliances due to the reduction in energy consumption, the increase in copying speeds, and the spread of full-color copying machines. For this reason, epoxy resins have recently been preferably used as binder resins for toners.
エポキシ樹脂は従来のスチレン−アクリル酸エステル共
重合体に比べて、ガラス転移温度は同程度であるが、溶
融開始温度が低く、また溶融粘度も低いため、バインダ
ー樹脂としてエポキシ樹脂を用いると、低温で良好な定
着性を得ることができる。しかし一般のエポキシ樹脂を
用いると、ヒートロール定着したときにオフセット現象
が発生する。数平均分子量に対する重量平均分子量の比
ＭＹ ／ Ｍｎが１．．８〜１０．０と分子量分布の広
いエポキシ樹脂を用いると、ある程度の定着温度幅を得
ることができるが、まだ満足できるものではない。その
ため離型性効果を有する物質例えば低分子量ポリプロピ
レン、低分子量ポリエチレン、天然ワックス、パラフィ
ンなどを添加してオフセット現象を防止することが試み
られている。しかしオフセット現象を防止するためには
、これらの物質を多量に添加することが必要であり、そ
のため透明性が損なわれ、オーバーへッドプロジエク）
（ＯＨＰ ）フィルムに複写したときの光透過性が低
下して色再現性が悪く、また色重ねをするフルカラーで
色がくすんだりする欠点がある。本発明者らは、これら
の欠点を解消するため研究を進めた結果、本発明を完成
した。Compared to conventional styrene-acrylic acid ester copolymers, epoxy resins have a glass transition temperature similar to that of conventional styrene-acrylic acid ester copolymers, but have a lower melting start temperature and lower melt viscosity. good fixing properties can be obtained. However, when a general epoxy resin is used, an offset phenomenon occurs when heat roll fixing is performed. The ratio MY/Mn of weight average molecular weight to number average molecular weight is 1. ．． Although it is possible to obtain a certain degree of fixing temperature range by using an epoxy resin having a wide molecular weight distribution of 8 to 10.0, it is still not satisfactory. Therefore, attempts have been made to prevent the offset phenomenon by adding substances that have a releasing effect, such as low molecular weight polypropylene, low molecular weight polyethylene, natural wax, paraffin, etc. However, in order to prevent the offset phenomenon, it is necessary to add large amounts of these substances, which impairs transparency and causes overhead problems.
(OHP) When copied onto a film, the light transmittance is lowered, resulting in poor color reproducibility, and full-color images with overlapping colors tend to become dull. The present inventors completed the present invention as a result of conducting research to eliminate these drawbacks.
本発明は、数平均分子量に対する重量平均分子量の比Ｍ
ｖｒ ／ Ｍｎが１．８〜１０．０のエポキシ樹脂と高
級脂肪酸アミドを含有することを特徴とする電子写真用
トナーである。The present invention provides a ratio of weight average molecular weight to number average molecular weight M
This is an electrophotographic toner characterized by containing an epoxy resin having a vr/Mn of 1.8 to 10.0 and a higher fatty acid amide.
本発明においては、ＭＷ／ Ｍｎが１．８．〜１０．０
のエポキシ樹脂を高級脂肪酸アミドと併用することが必
要である。Ｍｗ ／ Ｍｎがこの範囲外のエポキシ樹脂
を用いると、オフセットの発生を防止することが困難で
ある。In the present invention, MW/Mn is 1.8. ~10.0
It is necessary to use this epoxy resin together with a higher fatty acid amide. If an epoxy resin with Mw/Mn outside this range is used, it is difficult to prevent offset from occurring.
本発明に用いられるＭｗ ／ Ｍｎが１．８〜１０゜０
のエポキシ樹脂は、例えばＭｙとＭｎの値の互いに異な
るビスフェノールＡ型エポキシ樹脂を混合することによ
って得ることができる。またシリコン変性エポキシ樹脂
、ゴム変性エポキシ樹脂、エステル変性エポキシ樹脂な
どの変性エポキシ樹脂を単独で用いてもよく、あるいは
これらの変性エポキシ樹脂とビスフェノールＡ型エポキ
シ樹脂の混合物を用いてもよい。Mw/Mn used in the present invention is 1.8 to 10°0
The epoxy resin can be obtained, for example, by mixing bisphenol A epoxy resins having different My and Mn values. Further, modified epoxy resins such as silicone-modified epoxy resins, rubber-modified epoxy resins, and ester-modified epoxy resins may be used alone, or a mixture of these modified epoxy resins and bisphenol A type epoxy resins may be used.
この樹脂に高級脂肪酸アミドを併用すると、透明性を損
うことなく広い定着温度幅でオフセット現象を防止でき
る。高級脂肪酸アミドな用いない場合は、良好な定着性
の得られる温度幅が狭くなり、またＯＨＰフィルムに複
写した場合に透明性を損うことなく広い定着温度幅を確
保することが困難になる。If higher fatty acid amide is used in combination with this resin, the offset phenomenon can be prevented over a wide fixing temperature range without impairing transparency. If a higher fatty acid amide is not used, the temperature range at which good fixing properties can be obtained becomes narrow, and when copying onto an OHP film, it becomes difficult to ensure a wide fixing temperature range without impairing transparency.
高級脂肪酸アミドとしては、例えばステアリン酸モノア
ミド、ステアリン酸ビスアミド、パルミチン酸アミド、
メチレンビスステアＩ）７酸アミド、エチレンビスステ
アリン酸アミドなどが用いられる。高級脂肪酸アミドの
割合は、エポキシ樹脂に対して０．５〜５％が好ましい
。Examples of higher fatty acid amides include stearic acid monoamide, stearic acid bisamide, palmitic acid amide,
Methylene bisstearic acid amide, ethylene bisstearic acid amide, etc. are used. The proportion of higher fatty acid amide is preferably 0.5 to 5% based on the epoxy resin.
本発明の電子写真用トナーは、着色剤１Ｍｗ／Ｍｎが１
．８〜１０．０のエポキシ樹脂、高級脂肪酸アミド及び
補助剤を加熱溶融して混練したのち、冷却して微粉砕１
分級することにより製造できる。In the electrophotographic toner of the present invention, the colorant 1Mw/Mn is 1
．． 8 to 10.0 epoxy resin, higher fatty acid amide and auxiliary agent are heated and melted and kneaded, then cooled and finely pulverized.
It can be manufactured by classifying.
着色剤としては、カーボンブラック、カルコオイルブル
ー、アニリンブルー、クロムイエローなどが用いられる
。補助剤としては、電荷制御剤例えばニグロシン染料、
四級アンモニウム塩、ポリアミン樹脂、含金属染料など
、粘着防止剤例えばシリコーン樹脂、パラフィンワック
スなどが用いられる。As the colorant, carbon black, calco oil blue, aniline blue, chrome yellow, etc. are used. Auxiliary agents include charge control agents such as nigrosine dye,
Quaternary ammonium salts, polyamine resins, metal-containing dyes, and anti-blocking agents such as silicone resins and paraffin wax are used.
本発明の電子写真用トナーは、最低定着温度が低いため
、定着時のエネルギー消費量を減少することができる。Since the electrophotographic toner of the present invention has a low minimum fixing temperature, energy consumption during fixing can be reduced.
また透明性が良いため、フルカラーにも適用することが
でき、塩化ビニルシートへの付着汚染もなく、広い定着
温度幅を確保することができる。Furthermore, since it has good transparency, it can be applied to full color, and there is no adhesion and contamination to vinyl chloride sheets, and a wide fixing temperature range can be ensured.
Ｍｗ ／ Ｍｎ値の測定はゲル・パーメーション・クロ
マトグラフィ（ＧＰＣ）により下記の方法で行った。カ
ラムは５ＨＯＤＥＸ ＧＰＣＡ−８０Ｍ （昭和電工社
製）を２本連結して用い、テトラヒドロフランを溶媒と
して毎分１．０ｄの割合で流し。The Mw/Mn value was measured by gel permeation chromatography (GPC) in the following manner. The column used was two 5HODEX GPCA-80M (manufactured by Showa Denko) connected together, and tetrahydrofuran was used as a solvent and flowed at a rate of 1.0 d/min.
濃度０．２重量％のテトラヒドロフラン試料溶液を１．
０コ注入して測定した。1. A tetrahydrofuran sample solution with a concentration of 0.2% by weight.
Measurement was performed by injecting 0.
実施例１
エピコー）１００４（シェル化学社製ビスフェノールＡ
型エポキシ樹脂）５０部とエピコー）１００７ （同）
５０部の混合物（Ｍｗ ／ Ｍｎ 〜１、９ ） １０
０部、ステアリン酸モノアミド２部、カヤセットＲＥＤ
１３０ （日本化薬社製アントラキノン系マゼンタ色
染料）２部及びボンドロンＰ−５１（オリエント化学社
製四級アンモニウム塩）２部を予備縮合し、加熱溶融、
混線、粉砕、分級して、平均粒径１２μｍの正帯電性ト
ナーを調製した。このトナー５部を弗素コートした鉄粉
キャリヤ１００部と混合し、電子写真機で２００００枚
の連続コピーを行ったところ、鮮明なマゼンダ色の画像
が得られた。さらに定着温度幅の評価を行うため、シリ
コンオイルを上部オイルに塗布したシリコンロール定着
装置に未定着コピーを通し、定着性の試験を行ったとこ
ろ、１１５〜１６０℃という低温域の広い温度幅でオフ
セットの発生がなく、良好な定着性が得られた。また○
ＨＰフィルムにコピーしたときにも、透明性が良くマゼ
ンタ色が再現された。Example 1 Epicor) 1004 (Bisphenol A manufactured by Shell Chemical Co., Ltd.)
Type epoxy resin) 50 parts and Epicor) 1007 (same)
50 parts of mixture (Mw/Mn ~1,9) 10
0 parts, stearic acid monoamide 2 parts, Kayaset RED
130 (anthraquinone magenta color dye manufactured by Nippon Kayaku Co., Ltd.) and 2 parts of Bondron P-51 (quaternary ammonium salt manufactured by Orient Chemical Co., Ltd.) were precondensed, heated and melted,
A positively chargeable toner having an average particle size of 12 μm was prepared by mixing, pulverizing, and classifying. When 5 parts of this toner was mixed with 100 parts of fluorine-coated iron powder carrier and 20,000 copies were continuously made using an electrophotographic machine, clear magenta-colored images were obtained. Furthermore, in order to evaluate the fixing temperature range, we conducted a fixing test by passing an unfixed copy through a silicon roll fixing device whose upper part was coated with silicone oil. No offset occurred and good fixing properties were obtained. Also ○
Even when copied onto HP film, the transparency was good and the magenta color was reproduced.
実施例２
エピコート１００４の４５部、エピコート１００７０４
５部及びＥＳ１００２Ｂ（信越化学社製シリコン変性エ
ポキシ樹脂）１０部の混合物（Ｍｗ／Ｍｎ＝２．０ ）
１００部をエポキシ樹脂として用い、その他は実施例
１と同様にしてトナーを調製し、試験したところ、１１
５〜１６０°Ｃという低温域の広い温度幅でオフセット
の発生がな（、良好な定着性が得られた。Example 2 45 parts of Epicote 1004, Epicote 100704
A mixture of 5 parts and 10 parts of ES1002B (silicon-modified epoxy resin manufactured by Shin-Etsu Chemical Co., Ltd.) (Mw/Mn=2.0)
A toner was prepared and tested in the same manner as in Example 1 except that 100 parts of the epoxy resin was used.
No offset occurred (and good fixing properties were obtained over a wide temperature range of 5 to 160°C).
実施例３
エピコー）、１００４０４０部、エピコート１００７０
５０部及びエピコート１０ａ９の１０部の混合物（Ｍｗ
／Ｍｎ＝＝２．４ ） １００部、ステアリン酸ビスア
ミ゛ド２部、カーボンブラック３部並びにボンドロンＰ
−５１（オリエント化学社製四級アンモニウム塩）２部
を予備混合し、実施例１と同様にしてトナーを調製し、
試験したところ、１１５〜１６５℃という低温域の広い
温度幅でオフセットの発生がなく、良好な定着性が得ら
れた。Example 3 Epicor), 1004040 parts, Epicort 10070
A mixture of 50 parts and 10 parts of Epicote 10a9 (Mw
/Mn==2.4) 100 parts, stearic acid bisamide 2 parts, carbon black 3 parts and Bondron P
A toner was prepared in the same manner as in Example 1 by premixing 2 parts of -51 (quaternary ammonium salt manufactured by Orient Chemical Co., Ltd.),
When tested, no offset occurred over a wide temperature range of 115 to 165° C., and good fixing properties were obtained.
比較例１
ステアリン酸モノアミドを除き、その他は実施例１と同
様にしてトナーを調製した。このトナーの定着性を試験
したところ、１３０〜１５０℃でオフセットの発生がな
く、定着されたが、温度幅は２０℃と狭かった。Comparative Example 1 A toner was prepared in the same manner as in Example 1 except for stearic acid monoamide. When the fixability of this toner was tested, it was fixed without any offset at 130 to 150°C, but the temperature range was as narrow as 20°C.
比較例２
エポキシ樹脂としてエピコート１０１００４（７Ｍｎ＝
１．５ ）を用い、その他は実施例１と同様にしてト
ナーを調製し、試験したところ、１１５°Ｃのみで定着
し、それ以外の温度ではオフセットが発生した。Comparative Example 2 Epikote 101004 (7Mn=
When a toner was prepared and tested in the same manner as in Example 1 using 1.5), it was fixed only at 115°C, and offset occurred at other temperatures.
Claims (1)
肪酸アミドを含有することを特徴とする電子写真用トナ
ー。[Scope of Claims] An electrophotographic toner comprising an epoxy resin having a weight average molecular weight to number average molecular weight ratio Mw/Mn of 1.8 to 10.0 and a higher fatty acid amide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61198145A JPS6355563A (en) | 1986-08-26 | 1986-08-26 | Electrophotographic toner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61198145A JPS6355563A (en) | 1986-08-26 | 1986-08-26 | Electrophotographic toner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6355563A true JPS6355563A (en) | 1988-03-10 |
Family
ID=16386208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61198145A Pending JPS6355563A (en) | 1986-08-26 | 1986-08-26 | Electrophotographic toner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6355563A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009042713A (en) * | 2007-07-17 | 2009-02-26 | Seiko Pmc Corp | Additive for toner, binder resin for toner and electrophotographic toner |
| JP2010197472A (en) * | 2009-02-23 | 2010-09-09 | Ricoh Co Ltd | Electrophotographic toner and image forming apparatus using the same, process cartridge, and image forming method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6039655A (en) * | 1983-08-12 | 1985-03-01 | Toray Ind Inc | Manufacture of dry type toner |
| JPS61124958A (en) * | 1984-11-22 | 1986-06-12 | Konishiroku Photo Ind Co Ltd | Electrostatic charge image developing color toner |
| JPS61188545A (en) * | 1985-02-15 | 1986-08-22 | Minolta Camera Co Ltd | Electrostatic latent image developing toner |
-
1986
- 1986-08-26 JP JP61198145A patent/JPS6355563A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6039655A (en) * | 1983-08-12 | 1985-03-01 | Toray Ind Inc | Manufacture of dry type toner |
| JPS61124958A (en) * | 1984-11-22 | 1986-06-12 | Konishiroku Photo Ind Co Ltd | Electrostatic charge image developing color toner |
| JPS61188545A (en) * | 1985-02-15 | 1986-08-22 | Minolta Camera Co Ltd | Electrostatic latent image developing toner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009042713A (en) * | 2007-07-17 | 2009-02-26 | Seiko Pmc Corp | Additive for toner, binder resin for toner and electrophotographic toner |
| JP2010197472A (en) * | 2009-02-23 | 2010-09-09 | Ricoh Co Ltd | Electrophotographic toner and image forming apparatus using the same, process cartridge, and image forming method |
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