JPS62178290A - Heat fixing roller - Google Patents
Heat fixing rollerInfo
- Publication number
- JPS62178290A JPS62178290A JP2042186A JP2042186A JPS62178290A JP S62178290 A JPS62178290 A JP S62178290A JP 2042186 A JP2042186 A JP 2042186A JP 2042186 A JP2042186 A JP 2042186A JP S62178290 A JPS62178290 A JP S62178290A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- heat fixing
- fixing roller
- roller
- coating
- 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
- 229920001971 elastomer Polymers 0.000 claims abstract description 18
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 14
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 11
- 239000000057 synthetic resin Substances 0.000 claims abstract description 11
- 239000000178 monomer Substances 0.000 claims abstract description 7
- 230000000379 polymerizing effect Effects 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 9
- 239000004945 silicone rubber Substances 0.000 claims description 9
- 229920002050 silicone resin Polymers 0.000 claims description 5
- 239000010410 layer Substances 0.000 abstract description 19
- 238000006116 polymerization reaction Methods 0.000 abstract description 19
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 abstract description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 2
- 238000005238 degreasing Methods 0.000 abstract 1
- 239000011229 interlayer Substances 0.000 abstract 1
- 230000003578 releasing effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000009503 electrostatic coating Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- HTDJPCNNEPUOOQ-UHFFFAOYSA-N hexamethylcyclotrisiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1 HTDJPCNNEPUOOQ-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- -1 siloxanes Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2053—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating
- G03G15/2057—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating relating to the chemical composition of the heat element and layers thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、電子複写機等の熱定着部に使用される熱定着
ローラに関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a heat fixing roller used in a heat fixing unit of an electronic copying machine or the like.
（従来の技術）
従来より、電子複写機等の熱定着部に使用されるヒート
ローラあるいはプレスローラとしては、シリコーンゴム
やフッ素ゴム等を金属円筒に被覆したものが一般的であ
る。そしてこのようなローラのトナーとの離型性をざら
に高めるために、シリコーンゴム素材にはあらかじめシ
リコーンオイルを含浸させたり、フッ素ゴムにはゴム層
の上にざらにフッ素樹脂層を設ける等の加工が加えられ
ている。(Prior Art) Conventionally, a heat roller or press roller used in a heat fixing section of an electronic copying machine or the like has generally been a metal cylinder coated with silicone rubber, fluororubber, or the like. In order to roughly improve the releasability of such rollers from toner, silicone rubber materials are impregnated with silicone oil in advance, and fluorine rubber materials are coated with a fluororesin layer roughly on top of the rubber layer. Processing has been added.
これらのローラのうち、フッ素ゴム層の上にフッ素樹脂
をコーティングしたローラは、離型性が特に優れている
ことが知られている。フッ素ゴム層の上にフッ素樹脂を
コーティングする方法としては、従来より粉体静電塗装
が一般的であった。Among these rollers, it is known that a roller having a fluororesin coated on a fluororubber layer has particularly excellent mold release properties. Powder electrostatic coating has conventionally been a common method for coating a fluororesin on a fluororubber layer.
この方法は粉体塗料を静電塗装するものであり、塗料ふ
きつけの後、塗料を一体化させて膜状とするために、焼
付け（焼成）工程が不可欠であった。This method involves electrostatic coating of powder paint, and after spraying the paint, a baking step is essential in order to integrate the paint into a film.
このため焼成工程中にフッ素ゴムが高温にさらされ、劣
化するおそれがあった。また、フッ素ゴムとフッ素樹脂
とは物理的に密着しているだけなので、使用中にはがれ
ることもあり、このことが製品寿命を縮める原因にもな
った。For this reason, the fluororubber was exposed to high temperatures during the firing process, and there was a risk that it would deteriorate. Furthermore, since the fluororubber and fluororesin are only physically attached, they can sometimes peel off during use, which shortens the life of the product.
そこで本発明はこのような従来の熱定着ローラの難点を
解消すへくなされたもので、ゴムとその表面に設【プら
れた合成樹脂層が強固に結合し、トナーとの離型性にも
優れた熱定着ローラを提供することを目的とする。Therefore, the present invention has been developed to solve these problems with conventional heat fixing rollers.The rubber and the synthetic resin layer formed on its surface are strongly bonded, and the toner release property is improved. Another object of the present invention is to provide an excellent heat fixing roller.
［発明の構成］
（問題点を解決するための手段）
本発明の熱定着ローラは、ロール芯軸上にゴム状組成物
を被覆硬化させてゴム層とし、そのゴム層の表面に、ゴ
ム状組成物と共重合可能な架橋重合性単量体をプラズマ
重合させてなる合成樹脂被膜を形成することにより構成
される。プラズマ重合は、一般の重合反応に比して反応
機構が複雑であり、反応の数も多く、現在のところその
機構の全容は未だ明らかにされていない。[Structure of the Invention] (Means for Solving the Problems) The heat fixing roller of the present invention coats and cures a rubbery composition on the roll core shaft to form a rubber layer, and a rubbery composition is coated on the surface of the rubber layer. It is constructed by forming a synthetic resin coating by plasma polymerizing a crosslinkable polymerizable monomer that can be copolymerized with the composition. Plasma polymerization has a more complex reaction mechanism than general polymerization reactions, and involves a large number of reactions, and the entire mechanism has not yet been clarified at present.
放電下の反応では電子が主１Ωでおり、この電子か気相
中あるいは固体表面に付着している分子に衝突し、ラジ
カル、イオン、活性状態の原子、分子など、いわゆる活
性種を生成する。これら活性種、電子、ざらには一般の
分子が入り乱れてさらに数多くの反応か起こる。またこ
れらの反応が単純に気相で起きているだけでなく、気相
−同相聞の反応、固体表面での表面反応、さらに吸着、
脱着等の物理現象が入ってくるため、その重合機構はい
っそう複雑なものとなっている。プラズマ重合により生
成したポリマは、高度な網目構造を有し、耐薬品性、耐
熱性に優れ、ピンホールもほとんど生じない等の特長を
有する。重合の過程においては架橋重合性単量体は気相
となるゴム層と架橋しつつ網目構造をとり合成樹脂被膜
を形成するため、ゴム層と合成樹脂被膜とは強固な化学
的結合状態にある。In the reaction under discharge, electrons mainly have a resistance of 1Ω, and these electrons collide with molecules in the gas phase or attached to the solid surface, producing so-called active species such as radicals, ions, atoms in active states, and molecules. These active species, electrons, and particles are mixed with ordinary molecules, and many more reactions occur. Furthermore, these reactions do not simply occur in the gas phase, but also reactions between the gas phase and the same phase, surface reactions on solid surfaces, adsorption,
The polymerization mechanism has become even more complex due to the involvement of physical phenomena such as desorption. Polymers produced by plasma polymerization have features such as having a sophisticated network structure, excellent chemical resistance and heat resistance, and almost no pinholes. During the polymerization process, the crosslinkable monomer forms a network structure while crosslinking with the rubber layer, which becomes a gas phase, to form a synthetic resin coating, so the rubber layer and synthetic resin coating form a strong chemical bond. .
本発明のプラズマ重合に使用可能な重合装置としては、
ベルジャ型プラズマ重合装置、アルゴン励起型プラズマ
重合装置等がある。Polymerization equipment that can be used for the plasma polymerization of the present invention includes:
There are bell jar type plasma polymerization equipment, argon excitation type plasma polymerization equipment, etc.
またこれらのプラズマ重合に使用する七ツマ−としては
、フッ素ゴム上にプラズマ重合する場合には、テトラフ
ルオロエチレン、テトラフルオロエチレン−パーフルオ
ロアルキルビニルエーテル、テトラフルオロエチレン−
ヘキサフルオロプロピレン、フッ化ヒニリデン等のフル
オロカーボンが適しており、シリコーンゴム上にプラズ
マ重合する場合には、ヘギ１ナメチルシクロトリシロキ
サン、オクタメチルシクロテトラシロキ量ナン等のシロ
キサン類が適している。In addition, when performing plasma polymerization on fluororubber, the seven polymers used in these plasma polymerizations include tetrafluoroethylene, tetrafluoroethylene-perfluoroalkyl vinyl ether, and tetrafluoroethylene-perfluoroalkyl vinyl ether.
Fluorocarbons such as hexafluoropropylene and hynylidene fluoride are suitable, and in the case of plasma polymerization on silicone rubber, siloxanes such as hexamethylcyclotrisiloxane and octamethylcyclotetrasiloxane are suitable.
（実施例） 以下、本発明の熱定着ローラを実施例に従い説明する。(Example) Hereinafter, the heat fixing roller of the present invention will be explained according to examples.
実施例１
従来の方法に従い、芯軸の脱脂、研１ｇ、プライマ塗布
を経て、フッ素ゴムを芯軸に被覆硬化ざＵ、フッ素ゴム
ローラを得た。Example 1 According to a conventional method, the core was degreased, polished by 1 g, and coated with a primer to obtain a fluororubber roller coated with fluororubber and cured.
次いでｚｍｍ合性単量体としてテトラフルオロエチレン
を用い、ベルジャ型プラズマ重合装置によりプラズマ重
合さＵ、このフッ素ゴムローラのゴム層の表面にフッ素
樹脂被膜を設けた。この重合の反応条件は以下の通りで
ある。Next, using tetrafluoroethylene as a Zmm-composable monomer, plasma polymerization was performed in a Bellja type plasma polymerization apparatus, and a fluororesin coating was provided on the surface of the rubber layer of this fluororubber roller. The reaction conditions for this polymerization are as follows.
このようにしてフッ素ゴム層の表面にフッ素樹脂被膜を
設けた本発明の熱定着ローラを用いて次の第１表にその
結果を示す電子複写機の通紙試験を行った。Using the heat fixing roller of the present invention in which the fluororesin coating was thus provided on the surface of the fluororubber layer, a paper passing test was conducted in an electronic copying machine, the results of which are shown in Table 1 below.
（以下余白）
第１表
この試験結果からも明らかなように、本発明のフッ素樹
脂被膜を形成したフッ素ゴムローラは、５０万枚以上の
通紙後も被膜にハガレやトナーによる汚れもみられず、
優秀な性能を維持した。(Margin below) Table 1 As is clear from the test results, the fluororubber roller on which the fluororesin coating of the present invention was formed showed no peeling or toner stains on the coating even after passing more than 500,000 sheets of paper.
Maintained excellent performance.
実施例２
従来の方法に従い、ゴム状組成物としてシリコーンゴム
を芯軸に被覆硬化させ、シリコーンゴムローラを得た。Example 2 A core shaft was coated with silicone rubber as a rubber composition and cured according to a conventional method to obtain a silicone rubber roller.
。 .
次いで架４ｆｉｆｆ１合性単は体として、ヘキサメチル
シクロトリシロキナンを用い、ベルジャ型プラズマ重合
装置によりプラズマ重合させこのシリコーンゴムローラ
のゴム層の表面に、シリコーン樹脂被膜を形成した。Next, hexamethylcyclotrisilokinane was used as the frame 4fiff1 compound, and plasma polymerization was carried out in a bell jar type plasma polymerization apparatus to form a silicone resin coating on the surface of the rubber layer of the silicone rubber roller.
このＬうにしてシリコーンゴム層の表面にシリコーン樹
脂被膜を設けた本発明の熱定着ローラを用いて次の第２
表にその結果を示す電子複写機の通紙試験を行った。Using the heat fixing roller of the present invention in which a silicone resin coating is provided on the surface of the silicone rubber layer in this way, the following second
A paper passing test was conducted on an electronic copying machine, the results of which are shown in the table.
（以下余白）
第２表
この試験結果からも明らかなように、本発明のシリコー
ン樹脂被膜を形成したシリコーンゴムローラは、３０万
枚以上の通紙後も被膜にハガレやトナーによる汚れもみ
られず、優秀な性能を維持した。(Margin below) Table 2 As is clear from the test results, the silicone rubber roller on which the silicone resin coating of the present invention was formed showed no peeling or toner stains on the coating even after passing more than 300,000 sheets. Maintained excellent performance.
［発明の効果］
以上説明したように本発明の熱定着ローラによれば、ゴ
ムｍの表面に、ゴム状組成物と共重合可能な架橋重合性
単量体をプラズマ重合ざＵてなる合成１ａ−１脂被膜を
形成させたので、基層と化学的に強固に結合した合成樹
脂被膜が得られ、層間剥離を防止することができ、ロー
ラを長寿命化させることができる。[Effects of the Invention] As explained above, according to the heat fixing roller of the present invention, the composition 1a is obtained by plasma polymerizing a cross-linked polymerizable monomer copolymerizable with a rubber-like composition on the surface of the rubber m. -1 Since the resin coating is formed, a synthetic resin coating that is chemically strongly bonded to the base layer can be obtained, and delamination can be prevented and the life of the roller can be extended.
また従来の粉体静電塗装によりフッ素樹脂被膜あるいは
シリコーン樹脂被膜を設ける方法とは異なり、高温での
焼成工程を必要としない。したがってゴム層を劣化させ
るおそれもなく、製造工程を短縮しコス１〜を低下さぼ
ることができる。プラズマ重合により１■られる合成樹
脂層は、耐熱性に優れているため、熱定首部における定
着温度を上げることができ、複写機の高速化にも対応可
能で必る。また被膜にはピンホールを生じにくいため、
粉体静電塗層により合成樹脂層を設【ノた従来のローラ
よりも、トナーとの離型性をさらに向上させることがで
きる。Furthermore, unlike the conventional method of applying a fluororesin coating or a silicone resin coating using powder electrostatic coating, there is no need for a baking process at high temperatures. Therefore, there is no fear of deteriorating the rubber layer, the manufacturing process can be shortened, and the cost can be reduced. Since the synthetic resin layer formed by plasma polymerization has excellent heat resistance, it is possible to raise the fixing temperature in the heat-fixing section, and it is necessary to be able to cope with high-speed copying machines. In addition, the coating is less prone to pinholes, so
The releasability from the toner can be further improved compared to conventional rollers that have a synthetic resin layer formed by an electrostatic powder coating layer.
出願人 昭和電線電纜株式会社 代理人 弁理士 須 山 佐 − 同 山山明信 手続補正書（自発） 昭和０１年 ３月１７日Applicant: Showa Electric Cable Co., Ltd. Agent Patent Attorney Suyama Sa Same as Akinobu Yamayama Procedural amendment (voluntary) March 17, 1939
Claims (5)
ム層とした熱定着ローラにおいて、このゴム層表面に、
ゴム状組成物と共重合可能な架橋重合性単量体をプラズ
マ重合させてなる合成樹脂被膜を形成させたことを特徴
とする熱定着ローラ。(1) In a heat fixing roller that has a rubber layer formed by coating and curing a rubbery composition on the roll core shaft, on the surface of this rubber layer,
A heat fixing roller characterized in that a synthetic resin coating is formed by plasma polymerizing a crosslinkable polymerizable monomer copolymerizable with a rubber composition.
第１項記載の熱定着ローラ。(2) The heat fixing roller according to claim 1, wherein the rubbery composition is fluororubber.
の範囲第１項または第２項記載の熱定着ローラ。(3) The heat fixing roller according to claim 1 or 2, wherein the synthetic resin coating is a fluororesin coating.
の範囲第１項記載の熱定着ローラ。(4) The heat fixing roller according to claim 1, wherein the rubbery composition is silicone rubber.
請求の範囲第１項または第４項のいずれか１項記載の熱
定着ローラ。(5) The heat fixing roller according to claim 1 or 4, wherein the synthetic resin coating is a silicone resin coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2042186A JPS62178290A (en) | 1986-01-31 | 1986-01-31 | Heat fixing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2042186A JPS62178290A (en) | 1986-01-31 | 1986-01-31 | Heat fixing roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62178290A true JPS62178290A (en) | 1987-08-05 |
Family
ID=12026568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2042186A Pending JPS62178290A (en) | 1986-01-31 | 1986-01-31 | Heat fixing roller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62178290A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0424053A2 (en) * | 1989-10-16 | 1991-04-24 | Canon Kabushiki Kaisha | Mold releasing elastic roller |
| EP0777161A2 (en) * | 1995-11-28 | 1997-06-04 | Hewlett-Packard Company | Instant-on fuser roller structure |
-
1986
- 1986-01-31 JP JP2042186A patent/JPS62178290A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0424053A2 (en) * | 1989-10-16 | 1991-04-24 | Canon Kabushiki Kaisha | Mold releasing elastic roller |
| EP0777161A2 (en) * | 1995-11-28 | 1997-06-04 | Hewlett-Packard Company | Instant-on fuser roller structure |
| EP0777161A3 (en) * | 1995-11-28 | 1998-06-03 | Hewlett-Packard Company | Instant-on fuser roller structure |
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