JPS62100769A - Silver color toner for electrophotography - Google Patents
Silver color toner for electrophotographyInfo
- Publication number
- JPS62100769A JPS62100769A JP60240676A JP24067685A JPS62100769A JP S62100769 A JPS62100769 A JP S62100769A JP 60240676 A JP60240676 A JP 60240676A JP 24067685 A JP24067685 A JP 24067685A JP S62100769 A JPS62100769 A JP S62100769A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- pigment
- flaky
- silver
- titanium dioxide
- 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
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
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09708—Inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の分野） 本発明は電子写真法に使用する銀色トナーに関する。[Detailed description of the invention] (industrial field) The present invention relates to silver toners used in electrophotography.
（従来の技術）
電子写真法においては、感光体表面に形成される電荷像
を、検電性と定着性とを有するトナーで現像し、現像さ
れたトナー像を転写紙りに転写し１次いで定着して画像
形成を行う。この目的に使用する電子写真用トナーとし
ては、種々の黒色乃至カラートナーが知られているが、
未だ銀色（シルバー）トナーは知られていない。(Prior art) In electrophotography, a charge image formed on the surface of a photoreceptor is developed with a toner having electrodetection properties and fixing properties, and the developed toner image is transferred to transfer paper. It is fixed to form an image. Various black to color toners are known as electrophotographic toners used for this purpose.
Silver toner is still unknown.
（発明が解決すべき問題点）
処方、装飾性が要求される分野においては、銀色の画像
の電子写真複写物や印刷物が要求される場合があるが、
従来のトナーではこのような用途に適応することはでき
なかった。(Problems to be solved by the invention) In fields where prescription and decorative properties are required, electrophotographic copies and printed matter of silver images are sometimes required.
Conventional toners could not be applied to such uses.
銀色トナーを製造する場合に最も汀通に考えられること
は、金属アルミニウム顔料のような銀色の金属粉をトナ
ー中に配合することであるが、このような金属粉は取扱
いが非常に難しく、トナー化する際に粉塵爆発等を招く
危険性が著しく大である。When producing silver toner, the most common idea is to incorporate silver metal powder such as metallic aluminum pigment into the toner, but such metal powder is extremely difficult to handle and There is an extremely high risk of causing dust explosions, etc. when
従って、本発明の目的は電子写真法に適用できる金色ト
ナーを提供するにある。Therefore, an object of the present invention is to provide a golden toner that can be applied to electrophotography.
本発明の他の目的は、トナーの製造が丘述した危険性な
しに容易に行われ、シルバーの装飾感に優れた電子写真
用トナーを提供するにある。Another object of the present invention is to provide an electrophotographic toner which can be easily manufactured without the above-mentioned risks and which has an excellent silver decorative appearance.
本発明の更に他の目的は、電子写真学的特性にも優れて
いる銀色トナーを提供するにある。Still another object of the present invention is to provide a silver toner that also has excellent electrophotographic properties.
（問題点を解決するための手段）
本発明名等は、薄片状無機結晶基質上に二酸化チタンか
ら成る薄層を被覆させた顔料を着色剤としてトナー中に
含有せしめると、前述した問題点が解決され、電子写真
学的特性及び装飾効果に優れた銀色トナーが提供される
ことを見出した。(Means for Solving the Problems) The present invention solves the above-mentioned problems by incorporating a pigment in which a thin layer of titanium dioxide is coated on a flaky inorganic crystal substrate into a toner as a coloring agent. It has been found that a silver toner with excellent electrophotographic properties and decorative effects is provided.
（作 用）
本発明に用いる着色剤は、薄片状無機結晶基質Ｅに二酸
化チタンから成る薄層を被覆させた鱗片状の顔料から成
るという特徴を有している。この顔料を定着用樹脂媒質
中に分散させて成るトナーを紙上に定着すると、定着圧
により上記鱗片状顔料が紙面に対してほぼモ行に配列し
た層状構造を形成する。(Function) The coloring agent used in the present invention is characterized in that it is composed of a scaly pigment in which a flaky inorganic crystal substrate E is coated with a thin layer of titanium dioxide. When a toner made by dispersing this pigment in a fixing resin medium is fixed on paper, a layered structure in which the scale-like pigment is arranged substantially in a straight line with respect to the paper surface is formed by the fixing pressure.
このような層状構造の定着画像中に入射する光重積層薄
膜内で規則的に多重反射することにより、メタリック光
沢（真珠光沢）が強調されると共に、該薄膜が透明未着
色であることにより銀色）呈することになる。即ち、薄
膜中の二酸化チタンは大きい屈折率を有することによっ
てメタリック光沢のある銀色を付与する作用を行うので
ある。The regular multiple reflections within the multi-layered thin film that enters the fixed image with such a layered structure emphasizes the metallic luster (pearl luster), and the fact that the thin film is transparent and uncolored gives it a silvery appearance. ) will be presented. That is, the titanium dioxide in the thin film has a large refractive index and thus has the effect of imparting a silver color with metallic luster.
かくして、本発明によれば、トナーの定着画像に優れた
銀色の装飾性を付午し得ることが明白となろう。It will thus be apparent that the present invention can impart superior silvery decorativeness to fixed images of toner.
のみならず、本発明に用いる顔料はそれ自体化学的に安
定な無機酸化物から構成されており、その結果金属粉末
を用いる場合に生ずるトナー製造時の粉塵爆発等のトラ
ブルが解消されるばかりではなく、トナーの着色剤が、
光線、熱、コロナ放電、オゾン等に対しても極めて安定
であり、画像は堅牢性にも著しく優れているという利点
がある。In addition, the pigment used in the present invention is itself composed of a chemically stable inorganic oxide, and as a result, problems such as dust explosion during toner production that occur when using metal powder are not only eliminated. There is no colorant in the toner.
It is extremely stable against light, heat, corona discharge, ozone, etc., and the image has the advantage of being extremely durable.
また、この顔料は電気絶縁性であると共に、湿度等に対
しても不感性であることから、トナーの電子写真学的特
性を全く損なわないという利点もある。Further, since this pigment is electrically insulating and insensitive to humidity and the like, it also has the advantage of not impairing the electrophotographic properties of the toner at all.
（発明の好適態様の説明）
鱗片状顔料
顔料の薄片状無機結晶基質上しては、アスペクト比の点
で雲母（マイカ）が最も優れているが、薄片状の無機結
晶であれば任意のもの１例えば硫酸バリウム、層状ケイ
酸塩１層状アルミノケイ酸塩等を使用することができる
。基質のアスペクト比（厚さと長′さとの比）は、一般
的に言ってｌ：１０乃至１：５０程度の範囲にあること
が望ましい。(Description of Preferred Embodiments of the Invention) Mica is the best flaky inorganic crystal substrate for flaky pigment pigments in terms of aspect ratio, but any flaky inorganic crystal substrate may be used. 1. For example, barium sulfate, layered silicates, monolayered aluminosilicates, etc. can be used. Generally speaking, the aspect ratio (ratio of thickness to length) of the substrate is preferably in the range of about 1:10 to 1:50.
この薄片状基質上に沈着させる二酸化チタンの量は、メ
タクリック光沢の程度によって決定されるが、顔料当り
二酸化チタンが１０乃至６０重量％、特に１５乃至５０
重量％の範囲にあることが望ましい。The amount of titanium dioxide deposited on this flaky matrix is determined by the degree of methacrylic gloss, but is between 10 and 60% titanium dioxide per pigment, in particular between 15 and 50% by weight titanium dioxide per pigment.
It is desirable that the amount is in the range of % by weight.
二酸化チタンの薄膜の被覆形成は、それ自体公知の方法
、例えば薄片状基質を含有するスラリー中で、可溶性チ
タン化合物の溶液を徐々に加水分解し、二酸化チタンを
薄片状基質に徐々に沈着させることにより製造すること
ができる。The coating of a thin film of titanium dioxide can be formed by methods known per se, for example by gradually hydrolyzing a solution of a soluble titanium compound in a slurry containing a flaky substrate and gradually depositing titanium dioxide on the flaky substrate. It can be manufactured by
本発明に用いる鱗片状顔料は、一般的に言って、ｌ乃至
４０ｐｍ、特に５乃至３０４ｍの平均粒径を有すること
が望ましい。即ち、粒径がＬ記範囲よりも小さいと、メ
タリックな光沢が失われる傾向があり、一方上記範囲よ
りも大きい場合にはトナーに適した粒径のものを製造す
ることが困難となる。Generally speaking, the flaky pigment used in the present invention desirably has an average particle size of 1 to 40 pm, particularly 5 to 304 pm. That is, if the particle size is smaller than the range L, metallic luster tends to be lost, while if it is larger than the above range, it becomes difficult to produce a particle size suitable for toner.
トナー組成
定着用樹脂媒質としては、この種のトナーの製造に使用
されている樹脂類が使用され、特に好適なものとして、
種々の七ノ乃至はジエチレン系不飽和単量体、特に
（ａ） ビニル芳香族単量体、
（ｂ） アクリル系？Ｊ！Ｌ量体
の単独重合体や共重合体等が使用される。As the resin medium for fixing the toner composition, resins used in the production of this type of toner are used, and particularly preferred ones include:
Various heptano- or diethylenically unsaturated monomers, especially (a) vinyl aromatic monomers, (b) acrylics? J! A homopolymer or copolymer of L-mer is used.
上記（ａ）の栄礒体としては、スチレン、ビニルトルエ
ン、α−メチルスチレン、α−クロルスチレン、ビニル
キシレン等やビニルナフタレン等を挙げることができ、
また（ｂ）の単量体としては、アクリル酸、メタクリル
酸、エチルアクリレート、メチルメタクリレート、ブチ
ルアクリレート、ブチルメタクリレート、２−エチルへ
キシルアクリレート、２−エチルへキシルメタクリレー
ト、３−ヒドロキシプロピルアクリレート、２−ヒドロ
キシエチルメタクリレート、３−アミノプロピルアクリ
レート、３−Ｎ、Ｎ−ジエチルアミンズロピルアクリレ
ート、アクリルアミド等を挙げることができる。Examples of the emulsifiers in (a) above include styrene, vinyltoluene, α-methylstyrene, α-chlorostyrene, vinylxylene, vinylnaphthalene, etc.
The monomer (b) includes acrylic acid, methacrylic acid, ethyl acrylate, methyl methacrylate, butyl acrylate, butyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, 3-hydroxypropyl acrylate, -Hydroxyethyl methacrylate, 3-aminopropyl acrylate, 3-N,N-diethylaminezulopyl acrylate, acrylamide, and the like.
これらの単量体（ａ）或いは（ｂ）と組合せで、或いは
単独で使用される他のｉＪｉ体としては、ブタジェン、
イソプレン、クロロプレン等地には無水マレイン酸、フ
マル酸、クロトン酸、イタコン醜等の他のエチレン系不
飽和゛カルボン酸或いはそのエステル類や、酢醜ビニル
等のビニルエステル類、ビニルピリジン、ビニルピロリ
ドン、ビニルエーテル類、アクリロニトリル、塩化ビニ
ル、塩化ビニリデン等を挙げることもできる。Other iJi forms used in combination with these monomers (a) or (b) or alone include butadiene,
Isoprene, chloroprene, etc. may contain other ethylenically unsaturated carboxylic acids or their esters such as maleic anhydride, fumaric acid, crotonic acid, and itacone, vinyl esters such as vinegar, vinyl pyridine, and vinyl pyrrolidone. , vinyl ethers, acrylonitrile, vinyl chloride, vinylidene chloride, and the like.
特にｓ、ｏｏｏ乃至２００，０００の範囲にあるのが望
ましい。In particular, it is desirable that it be in the range of s, ooo to 200,000.
本発明のトナーにおいて、前述した銀色鱗片状顔料はト
ナー中に１乃至４０重量％、特に５乃至３０重量％の量
で配合するのがよい。即ち、この顔料の配合量がＬ記範
囲よりも少ない場合には、メタリックな銀色を七分に発
現させることが困難となり、ｈ記範囲よりも多い場合に
は定着性が低下したり、或いは経済的にも不利となる傾
向がある。In the toner of the present invention, the silver scale pigment described above is preferably blended in an amount of 1 to 40% by weight, particularly 5 to 30% by weight. That is, if the amount of this pigment blended is less than the range specified by L, it will be difficult to achieve a metallic silver color, and if it is greater than the range specified by It also tends to be disadvantageous.
本発明のトナーにおいては、Ｌ記鯖片状顔料を単独で使
用することもでき、また他の白色系顔料或いは透明性填
剤と共に組合せて用いることができ、これにより色調等
の調節も容易である。In the toner of the present invention, the L flake-like pigment can be used alone or in combination with other white pigments or transparent fillers, and thereby the color tone etc. can be easily adjusted. be.
本発明のトナーには、トナーの色に悪影響を４えない無
色又は白色もしくは実質的に無色と見なせるトナー配合
剤１例えば電荷制御剤、オフセット防止剤、圧力定着性
付与剤、導電剤等を周知の処方に従い配合し得る。電荷
制御剤としては、正電荷制御用の目的には、塩基性窒素
原子を有する有機化合物、例えば塩基性染料、アミノビ
リン、ピリミジン化合物、多核ポリアミン化合物、アミ
ノシラン類またはこれで表面処理された充填剤類等が使
用され、また負電荷制御剤としては、カルボキシ基含有
化合物、例えばアルキルサリチル醜金属キレート等が使
用される。これらの電荷制御剤はトナー当りｌ乃至１０
重量％の量で用いるのがよい。また、トナーを熱ロール
で定着する方式では、シリコーンオイル低分子量オレフ
ィン樹脂類、各種ワックス類等のオフセット防止剤を全
体当り２乃至１５重量％の量で使用できる。また。The toner of the present invention contains well-known colorless, white, or substantially colorless toner compounding agents that do not have an adverse effect on the color of the toner, such as a charge control agent, an anti-offset agent, a pressure fixability imparting agent, and a conductive agent. It can be blended according to the prescription. As a charge control agent, for the purpose of positive charge control, organic compounds having a basic nitrogen atom, such as basic dyes, aminopyrine, pyrimidine compounds, polynuclear polyamine compounds, aminosilanes, or fillers surface-treated with these are used. etc., and as the negative charge control agent, a carboxyl group-containing compound such as alkyl salicyl ugly metal chelate is used. These charge control agents are used in amounts of 1 to 10 liters per toner.
It is preferable to use it in an amount of % by weight. In addition, in the method of fixing the toner with a hot roll, an anti-offset agent such as silicone oil, low molecular weight olefin resins, various waxes, etc. can be used in an amount of 2 to 15% by weight based on the total amount. Also.
トナーを圧力ロールで定着する用途には、パラフィンワ
ックス、各挿動・植物ロウ、脂肪酸アミド等の圧力定着
性賦与剤を全体当り５乃至３０重量％の量で使用しても
よい。For applications in which the toner is fixed with a pressure roll, a pressure fixing agent such as paraffin wax, various waxes, vegetable waxes, fatty acid amides, etc. may be used in an amount of 5 to 30% by weight based on the total amount.
トナー及びトナーの製造
本発明においては、定着用樹脂媒中に鱗片状顔料を分散
させたものを、粒径が５乃至５０μｍの粒子に成形し、
トナーとする。Toner and Toner Production In the present invention, a scaly pigment dispersed in a fixing resin medium is formed into particles with a particle size of 5 to 50 μm,
Use toner.
トナーの製造は、それ自体公知の任意の手段で行う０例
えば、定着用樹脂媒質に、前述した着色剤及び荷電制御
剤を、必要により他の配合助剤と共に配合し、これを均
−且つ一様に混練し１次いで粒状化してトナーとする。The toner is manufactured by any means known per se. For example, the above-mentioned colorant and charge control agent are blended into a fixing resin medium along with other formulation aids if necessary, and the mixture is uniformly and uniformly mixed. The mixture is kneaded and then granulated to form a toner.
成形に当っては、前述した混練組成物を冷却した後、こ
れを粉砕し、必要により篩分けすることにより得られる
。勿論、不定形粒子の角取りを行うために、４１械的な
急速攪拌を行っても特に差支えはない、この方法では、
混練、粉砕時に鱗片状顔料粒子そのものの粒子構造が破
壊されないように注意することが重要となる。For molding, the above-mentioned kneaded composition is cooled, then pulverized and, if necessary, sieved. Of course, there is no particular problem in performing rapid mechanical stirring in order to round off the irregularly shaped particles.In this method,
It is important to be careful not to destroy the particle structure of the flaky pigment particles themselves during kneading and pulverization.
また、別法として、定着用樹脂媒質をトルエン、キシレ
ン等の溶媒に溶解させ、これに鱗片状顔料を分散させ、
得られる原液を噴霧乾燥造粒することによって１球状粒
子の形のトナーを得ることができる。この方法は鱗片状
顔料の破壊が生じない点では優れた方法と言い得る。Alternatively, the fixing resin medium is dissolved in a solvent such as toluene or xylene, and the scaly pigment is dispersed therein.
A toner in the form of one spherical particle can be obtained by spray-drying and granulating the obtained stock solution. This method can be said to be an excellent method in that it does not cause destruction of the flaky pigment.
更に、鱗片状顔料を、単量体を溶解するがその外戚重合
体を溶解しない様な溶媒中に分散させ。Furthermore, the scaly pigment is dispersed in a solvent that dissolves the monomer but does not dissolve its external relative polymer.
この系中においてラジカル開始剤の存在下にＩＩｉ量体
を重合させることによってもトナーを得ることができる
。単量体としては前に例示したものが好適に使用される
。A toner can also be obtained by polymerizing the IIi polymer in this system in the presence of a radical initiator. As monomers, those exemplified above are preferably used.
（用途及び作用効果）
本発明によれば、電子写真学的特性、装飾効果及び耐久
性等に優れた電子写真用金色トナーが提供される。(Applications and Effects) According to the present invention, an electrophotographic golden toner having excellent electrophotographic properties, decorative effects, durability, etc. is provided.
このトナーは通常の白紙へのコピーに使用される他、黒
色紙或いは着色紙のＬに銀色の画像を形成するための用
途に有利に使用される。This toner is used not only for copying on ordinary white paper, but also for forming a silver image on black paper or colored paper L.
（実 施 例） 本発明を次の実施例で説明する。(Example) The invention is illustrated in the following examples.
実施例１゜
オリエント化学社製） ３重量部上記ン混
合物をトルエ３００重量部中にホモミキサーを使用して
溶解分散後、スプレードライ法により、球状の粉末を得
た。その後、５〜５０μの粒子に分級した。さらに得ら
れた銀色トナー１００重量部に対し疎水性シリカ微粒子
Ｒ−９７２（日本アエロジル社製） ０．３％を乾式ブ
レンドした。Example 1 (manufactured by Orient Kagaku Co., Ltd.) 3 parts by weight of the above mixture was dissolved and dispersed in 300 parts by weight of toluene using a homomixer, and a spherical powder was obtained by spray drying. Thereafter, it was classified into particles of 5 to 50 microns. Further, 0.3% of hydrophobic silica fine particles R-972 (manufactured by Nippon Aerosil Co., Ltd.) was dry blended to 100 parts by weight of the obtained silver toner.
得られた銀色トナー２５ｇとフェライトキャリア（Ｆ１
４１−１５３０日本鉄粉社製）５００ｇを混合し、現像
剤を作成し、 ＤＣ−１１１Ｃ複写機（三田工業社製）
にて複写テストを行ったところ鮮やかな銀色コピーが得
られた。25g of the obtained silver toner and ferrite carrier (F1
41-1530 (manufactured by Nippon Iron Powder Co., Ltd.) to create a developer.
When I conducted a copy test, a bright silver copy was obtained.
また、転写紙として、カラー紙を用いた場合さらに鮮や
かな銀色コピーが得られた。Furthermore, when color paper was used as the transfer paper, more vivid silver copies were obtained.
実施例２゜
上記混合物をリボンブレンダーで混合し、バンバリーミ
キサ−にて充分混練し、その後真珠顔料（バールグレイ
ズＭＦ日本光研工業社製）１０玉量部を添加し、短期間
で分散し、カレンダーロールにかけて真珠顔料の結晶を
よく配向させた。次にジェットミル微粉砕機で微粉砕し
、分級機で５〜５０鉢の粒子を採取し疎水性シリカ微粒
子Ｒ−９７２を銀色トナー１００重量部に対し０．３ｚ
を乾式ブレンドした。Example 2 The above mixture was mixed with a ribbon blender, thoroughly kneaded with a Banbury mixer, and then 10 parts of pearl pigment (Barl Glaze MF manufactured by Nihon Koken Kogyo Co., Ltd.) was added and dispersed in a short period of time. The pearl pigment crystals were well oriented by calender rolls. Next, the particles were pulverized using a jet mill pulverizer, 5 to 50 particles were collected using a classifier, and 0.3z of hydrophobic silica fine particles R-972 was added to 100 parts by weight of silver toner.
were dry blended.
得られた銀色トナー２５ｇとフェライトキャリア（Ｆ１
４１−１５８０ ） ５００ ｇを混合し、現像剤を作
成し、ＤＣ−１１ＩＣ複写機にて複写テストを行ったと
ころ鮮やかな銀色コピーが得られた。また、転写紙とし
て、カラー紙を用いた場合さらに鮮やかな銀色コピーが
得られた。25g of the obtained silver toner and ferrite carrier (F1
41-1580) were mixed to prepare a developer, and a copying test was performed using a DC-11IC copying machine, and a bright silver copy was obtained. Furthermore, when color paper was used as the transfer paper, more vivid silver copies were obtained.
実施例３゜
エタノール８００ｍ１にポリアクリル酸８ｇを溶解し、
これにスチレン８０ｇ、メタクリル酸−ｎ−ブチル２０
ｇ、真珠顔料（薄板状雲母粉を二酸化チタ／で被覆）５
ｇ及びアゾビスイソブチロニトリルＩｇを加え、１４１
のセパラブルフラスコ中で窒素気流下１５０ ｒ、ｐ、
Ｉ−ｃ！！ｌ拌しながら８０℃にて反応させ重合率が８
０％に達した時点で２−アシッドホスホキシエチルメタ
クリレート１ｇを加え、１５時間かけて重合を完了せし
めた０重合物を沈降分離し、エタノールで３回洗浄した
後、乾燥させて９６ｇの５〜５０μｍの銀色トナーを得
た。さらに得られた銀色トナー１００重量部に対し疎水
性シリカ微粒子Ｒ−９７２０，１重量部を乾式ブレンド
した。Example 3 Dissolve 8 g of polyacrylic acid in 800 ml of ethanol,
To this, 80 g of styrene, 20 g of n-butyl methacrylate
g, pearl pigment (lamellar mica powder coated with titanium dioxide) 5
g and azobisisobutyronitrile Ig, 141
in a separable flask under a nitrogen stream at 150 r, p,
I-c! ! The reaction was carried out at 80°C with stirring until the polymerization rate was 8.
When the concentration reached 0%, 1 g of 2-acid phosphoxyethyl methacrylate was added, and the polymerization was completed over 15 hours. The 0 polymer was separated by sedimentation, washed 3 times with ethanol, and then dried to give 96 g of 5- A 50 μm silver toner was obtained. Further, 1 part by weight of hydrophobic silica fine particles R-9720 was dry blended with 100 parts by weight of the obtained silver toner.
こうして得られた銀色トナー２５ｇとフェライトキャリ
ア （Ｆ１４１−１５３０ ） ５００ ｇを混合し、
現像剤を作成し、ＤＣ−１１ＩＣ複写機にて複写テスト
を行ったところ鮮やかな銀色コピーが得られた。また、
転写紙として、カラー紙を用いた場合さらに鮮やかな銀
色コピーが得られた。25 g of the silver toner thus obtained and 500 g of ferrite carrier (F141-1530) were mixed,
When a developer was prepared and a copying test was conducted using a DC-11IC copying machine, bright silver copies were obtained. Also,
When colored paper was used as the transfer paper, more vivid silver copies were obtained.
Claims (3)
て成る電子写真用トナーにおいて、着色剤が薄片状無機
結晶基質上に二酸化チタンから成る薄層を被覆させた顔
料であることを特徴とする電子写真用銀色トナー。(1) In an electrophotographic toner containing a fixing resin, a colorant, and a toner compound, the colorant is a pigment formed by coating a thin layer of titanium dioxide on a flaky inorganic crystal substrate. Characteristic silver toner for electrophotography.
で存在する特許請求の範囲第１項記載の銀色トナー。(2) The silver toner according to claim 1, wherein titanium dioxide is present in the pigment in an amount of 10 to 60% by weight.
在する特許請求の範囲第１項記載の銀色トナー。(3) The silver toner according to claim 1, wherein the pigment is present in the toner in an amount of 1 to 40% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60240676A JPH0673027B2 (en) | 1985-10-29 | 1985-10-29 | Silver toner for electrophotography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60240676A JPH0673027B2 (en) | 1985-10-29 | 1985-10-29 | Silver toner for electrophotography |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62100769A true JPS62100769A (en) | 1987-05-11 |
| JPH0673027B2 JPH0673027B2 (en) | 1994-09-14 |
Family
ID=17063046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60240676A Expired - Lifetime JPH0673027B2 (en) | 1985-10-29 | 1985-10-29 | Silver toner for electrophotography |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0673027B2 (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008139464A (en) * | 2006-11-30 | 2008-06-19 | Tomoegawa Paper Co Ltd | Electrophotographic glossy toner and method for manufacturing the same |
| JP2010217816A (en) * | 2009-03-19 | 2010-09-30 | Konica Minolta Business Technologies Inc | Image forming method |
| JP2010217817A (en) * | 2009-03-19 | 2010-09-30 | Konica Minolta Business Technologies Inc | Image forming method |
| JP2010250046A (en) * | 2009-04-15 | 2010-11-04 | Konica Minolta Business Technologies Inc | Image forming method |
| JP2012042624A (en) * | 2010-08-17 | 2012-03-01 | Fuji Xerox Co Ltd | Toner, developer, toner cartridge, process cartridge, and image forming apparatus |
| JP2012208142A (en) * | 2011-03-29 | 2012-10-25 | Ricoh Co Ltd | Toner for electrophotography, image forming method, and process cartridge |
| EP2574984A1 (en) | 2011-09-28 | 2013-04-03 | Fuji Xerox Co., Ltd. | Photoluminescent toner, developer, toner cartridge, process cartridge, image forming apparatus, and method for producing the photoluminescent toner |
| CN103135381A (en) * | 2011-12-05 | 2013-06-05 | 富士施乐株式会社 | Toner, developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
| JP2013528829A (en) * | 2010-04-26 | 2013-07-11 | イーストマン コダック カンパニー | Toner containing metal flakes |
| US8722291B2 (en) | 2012-03-26 | 2014-05-13 | Fuji Xerox Co., Ltd. | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method |
| US8722290B2 (en) | 2010-06-28 | 2014-05-13 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, and image forming apparatus |
| US8785094B2 (en) | 2012-03-13 | 2014-07-22 | Fuji Xerox Co., Ltd. | Electrostatic latent image developing toner, electrostatic latent image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
| US8859176B2 (en) | 2010-06-28 | 2014-10-14 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, and image forming apparatus |
| US9052620B2 (en) | 2011-11-28 | 2015-06-09 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
| US9389529B2 (en) | 2014-09-24 | 2016-07-12 | Fuji Xerox Co., Ltd. | Brilliant toner and electrostatic charge image developer |
| US9535349B2 (en) | 2015-01-28 | 2017-01-03 | Fuji Xerox Co., Ltd. | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS493824A (en) * | 1972-05-04 | 1974-01-14 | ||
| JPS59172652A (en) * | 1983-03-22 | 1984-09-29 | Konishiroku Photo Ind Co Ltd | Dry type electrostatic recording color toner |
-
1985
- 1985-10-29 JP JP60240676A patent/JPH0673027B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS493824A (en) * | 1972-05-04 | 1974-01-14 | ||
| JPS59172652A (en) * | 1983-03-22 | 1984-09-29 | Konishiroku Photo Ind Co Ltd | Dry type electrostatic recording color toner |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008139464A (en) * | 2006-11-30 | 2008-06-19 | Tomoegawa Paper Co Ltd | Electrophotographic glossy toner and method for manufacturing the same |
| JP2010217816A (en) * | 2009-03-19 | 2010-09-30 | Konica Minolta Business Technologies Inc | Image forming method |
| JP2010217817A (en) * | 2009-03-19 | 2010-09-30 | Konica Minolta Business Technologies Inc | Image forming method |
| JP2010250046A (en) * | 2009-04-15 | 2010-11-04 | Konica Minolta Business Technologies Inc | Image forming method |
| JP2013528829A (en) * | 2010-04-26 | 2013-07-11 | イーストマン コダック カンパニー | Toner containing metal flakes |
| US8859176B2 (en) | 2010-06-28 | 2014-10-14 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, and image forming apparatus |
| US8722290B2 (en) | 2010-06-28 | 2014-05-13 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, and image forming apparatus |
| JP2012042624A (en) * | 2010-08-17 | 2012-03-01 | Fuji Xerox Co Ltd | Toner, developer, toner cartridge, process cartridge, and image forming apparatus |
| JP2012208142A (en) * | 2011-03-29 | 2012-10-25 | Ricoh Co Ltd | Toner for electrophotography, image forming method, and process cartridge |
| EP2574984A1 (en) | 2011-09-28 | 2013-04-03 | Fuji Xerox Co., Ltd. | Photoluminescent toner, developer, toner cartridge, process cartridge, image forming apparatus, and method for producing the photoluminescent toner |
| US9182692B2 (en) | 2011-09-28 | 2015-11-10 | Fuji Xerox Co., Ltd. | Brightness toner, development, toner cartridge, process cartridge, image forming apparatus, and method for producing the brightness toner |
| US9052620B2 (en) | 2011-11-28 | 2015-06-09 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
| CN103135381A (en) * | 2011-12-05 | 2013-06-05 | 富士施乐株式会社 | Toner, developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
| US8785094B2 (en) | 2012-03-13 | 2014-07-22 | Fuji Xerox Co., Ltd. | Electrostatic latent image developing toner, electrostatic latent image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
| US8722291B2 (en) | 2012-03-26 | 2014-05-13 | Fuji Xerox Co., Ltd. | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method |
| US9389529B2 (en) | 2014-09-24 | 2016-07-12 | Fuji Xerox Co., Ltd. | Brilliant toner and electrostatic charge image developer |
| US9535349B2 (en) | 2015-01-28 | 2017-01-03 | Fuji Xerox Co., Ltd. | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0673027B2 (en) | 1994-09-14 |
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