JPS60262631A - Manufacture of rotary member for fixing - Google Patents
Manufacture of rotary member for fixingInfo
- Publication number
- JPS60262631A JPS60262631A JP11953684A JP11953684A JPS60262631A JP S60262631 A JPS60262631 A JP S60262631A JP 11953684 A JP11953684 A JP 11953684A JP 11953684 A JP11953684 A JP 11953684A JP S60262631 A JPS60262631 A JP S60262631A
- Authority
- JP
- Japan
- Prior art keywords
- rubber layer
- cured
- silicone rubber
- silicone
- silicon
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 36
- 239000004945 silicone rubber Substances 0.000 claims description 33
- 229920002050 silicone resin Polymers 0.000 claims description 28
- 239000002184 metal Substances 0.000 abstract description 7
- 229920005989 resin Polymers 0.000 abstract description 7
- 239000011347 resin Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 239000003112 inhibitor Substances 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 3
- 229910052710 silicon Inorganic materials 0.000 abstract 3
- 239000010703 silicon Substances 0.000 abstract 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000003578 releasing effect Effects 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 230000008961 swelling Effects 0.000 description 4
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fixing For Electrophotography (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、主として複写機の定着装置に用いる加熱ロー
ラ、加圧ローラ、あるいはベルト式定着部材などのよう
な定着用回転体の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of manufacturing a rotating body for fixing, such as a heating roller, a pressure roller, or a belt-type fixing member, mainly used in a fixing device of a copying machine. .
定着用回転体としてローラを例にとると、従来、芯金の
外表面にシリコーンゴム層を設けた定着用ローラが存在
した。 この従来の定着用ローラによれば、シリコーン
ゴム層の弾性力によって高画質の定着が得られる利点は
ちるが、離型性が悪いためにオフセット防止剤の塗布が
必要で、膨潤劣化といった欠点があり、また、紙や分離
爪による摩耗も激しいという欠点もあった。Taking a roller as an example of a rotary body for fixing, conventionally there has been a fixing roller having a core metal and a silicone rubber layer provided on the outer surface thereof. This conventional fixing roller has the advantage of being able to fix high-quality images due to the elasticity of the silicone rubber layer, but has the disadvantages of poor mold release, requiring the application of an anti-offset agent, and deterioration due to swelling. However, it also had the disadvantage of severe wear due to paper and separation claws.
このような欠点を除去するものとして、シリコーンゴム
層の外表面をｒ弗化エチレン樹脂で被覆した定着ローラ
が提案、実施されたが、シリコーンゴム層とグ弗化エチ
レン樹脂との接着性が悪いため、クランキングによって
グ弗化エチレン樹脂が剥離を起し、耐久性の点で劣ると
いう欠点があった。In order to eliminate these drawbacks, a fixing roller in which the outer surface of the silicone rubber layer is coated with r-fluorinated ethylene resin has been proposed and implemented, but the adhesion between the silicone rubber layer and the r-fluorinated ethylene resin is poor. Therefore, the fluorinated ethylene resin peels off during cranking, resulting in poor durability.
本発明は、上述のような従来欠点を一掃し、シリコーン
ゴム層の有する利点を生かしながら、オフセット防止剤
の塗布を必要とせずに高離型を現出でき、しかも耐摩耗
性や耐久性の高い定着用回転体の製造方法を提供せんと
するものである。The present invention eliminates the above-mentioned conventional drawbacks, takes advantage of the advantages of the silicone rubber layer, provides high mold release without requiring the application of an anti-offset agent, and improves wear resistance and durability. It is an object of the present invention to provide a method for manufacturing a high-quality fixing rotor.
本発明の製造方法は、シリコーンゴム層をいったん半硬
化状態とし、その外表面にシリコーン樹脂を塗布して、
その後、前記シリコーンゴム層とシリコーン樹脂とを同
時に加熱硬化させることを特徴とする。In the manufacturing method of the present invention, the silicone rubber layer is once brought into a semi-cured state, and a silicone resin is applied to the outer surface of the silicone rubber layer.
Thereafter, the silicone rubber layer and the silicone resin are simultaneously heated and cured.
このように、半硬化状態のシリコ−７−ｆムＮ外表面に
シリコーン樹脂を塗布するものであるから、シリコーン
ゴム層中に樹脂の一部が浸透することになる。 その状
態で、シリコーンゴム層とシリコーン樹脂とが同時に加
熱硬化されるため、両者は強固に一体化されるのである
。As described above, since the silicone resin is applied to the outer surface of the semi-cured Silico-7-f rubber, a portion of the resin will penetrate into the silicone rubber layer. In this state, the silicone rubber layer and the silicone resin are simultaneously heated and cured, so that they are firmly integrated.
本発明の実施例を図面にもとづいて説明すると、第１図
において、（１）は中空の芯金で、この芯金ｆ１）の外
表面は、適当な厚みを有するシリコーンゴム層（２）で
被覆されている。 シリコーンゴム層（２）の被覆方法
は従来通りで、まず、芯金（１）に脱脂やブラストなど
の下地処理を行ない、接着用のプライマーを塗布して、
射出成型機により芯金ｆ１）外表面をシリコーンゴム層
（２）で被覆するものである。 その後、加熱によって
シリコーンゴム層（２）を硬化させるのであるが、本発
明の場合は、完全に硬化させるのではなく、半硬化状態
とするのでおる。 つまり、シリコーンコム層（２）は
、７６０℃／Ｊ分で完全に硬化するが、本発明の場合は
、／６０”Ｃ／／分程度で半硬化状態とするのである。An embodiment of the present invention will be explained based on the drawings. In Fig. 1, (1) is a hollow core metal, and the outer surface of this core metal f1) is covered with a silicone rubber layer (2) having an appropriate thickness. Covered. The coating method for the silicone rubber layer (2) is the same as before. First, the core metal (1) is subjected to surface treatment such as degreasing and blasting, and then a primer for adhesion is applied.
The outer surface of the core metal f1) is coated with a silicone rubber layer (2) using an injection molding machine. Thereafter, the silicone rubber layer (2) is cured by heating, but in the case of the present invention, it is not completely cured but is left in a semi-cured state. That is, the silicone comb layer (2) is completely cured at 760° C./J min, but in the case of the present invention, it is semi-cured at about /60” C//min.
その後、この半硬化状態のシリコーンゴム層（２）の外
表面に、トルエン、キシレンなどで希釈して、３〜１０
ｃｐ程度の粘度（シリコーン分が３６−ＶＯ％）にした
シリコーン樹脂（３）、例えば５Ｅ９１４０やｓＲｚ＋
ｘｘ （東し社製）をスプレーコートして所定の厚さと
し、室温にて３θ分〜／時間程度の風乾を行なう。 そ
の後、オープン乾燥機により、シリコーンゴム層（２）
とシリコーン樹脂（３）とを、／ ｊ Ｏ”Ｃ／ ／
ｊ分程度で同時に加熱硬化させ、必要によってボストキ
ュアを行なうのである。Thereafter, the outer surface of this semi-cured silicone rubber layer (2) is diluted with toluene, xylene, etc.
Silicone resin (3) with a viscosity of approximately cp (silicone content: 36-VO%), such as 5E9140 or sRz+
xx (manufactured by Toshisha Co., Ltd.) to a predetermined thickness, and air-dried at room temperature for about 3θ minutes to an hour. After that, the silicone rubber layer (2) is dried in an open dryer.
and silicone resin (3), / j O”C/ /
They are heated and cured at the same time for about j minutes, and a post cure is performed if necessary.
このように、半硬化状態のシリコーンゴム層（２）の外
表面にシリコーン樹脂（３）を塗布し、シリコーンゴム
層（２）とシリコーン樹脂（３）とを同時に加熱硬化さ
せるものであるから、両者は強固に一体化される。 こ
のような現象を拡大して図示したのが第２図で、シリコ
ーンゴム層（２］ 全完全に加熱硬化させ、その後、外
表面に塗布したシリコーン樹脂（３）を加熱硬化させる
と、（イ）図のように、両者の界面がはっきりとして強
固な一体化は望めないが、・本発明の場合には、（ロ）
図のように、シリコーン樹脂（３）の一部がシリコーン
ゴム層（２）中に浸透してそのまま一体的に硬化するの
で、両者の界面が凹凸状となり、結合が強固となるので
ある。In this way, the silicone resin (3) is applied to the outer surface of the semi-cured silicone rubber layer (2), and the silicone rubber layer (2) and silicone resin (3) are simultaneously heated and cured. The two will be strongly integrated. Figure 2 shows an enlarged diagram of this phenomenon. When the silicone rubber layer (2) is completely heated and cured, and then the silicone resin (3) coated on the outer surface is heated and cured, (I) ) As shown in the figure, the interface between the two is clear and strong integration cannot be expected, but in the case of the present invention, (b)
As shown in the figure, a portion of the silicone resin (3) penetrates into the silicone rubber layer (2) and is cured as one piece, so the interface between the two becomes uneven and the bond becomes strong.
次に、本発明の効果確認などのために行なった種々の実
験結果について説明する。Next, the results of various experiments conducted to confirm the effects of the present invention will be explained.
表−１は、ゴム層（２）としてＫＥ−１８８０（信越化
学工業社製）をベースとするシリコーンゴムを使用し、
それを〆ｊＯ′Ｃ／／分で半硬化状態としたものと７６
０℃１５分で完全な硬化状態としたものの外表面に、そ
れぞれ、シリコーン樹脂５Ｅ９１４０（ｉし社製）をキ
シレン、トルエンなどで３〜１０ｒ−ｐの粘度（シリコ
ーン分がｊ ｊ −Ｖ ０％）Ｋなるように希釈したも
のをエアスプレーでコーティングし、その後、２００℃
／／ｊ分で加熱硬化した場合の耐久性（通紙）の比較結
果である。Table 1 shows that silicone rubber based on KE-1880 (manufactured by Shin-Etsu Chemical Co., Ltd.) was used as the rubber layer (2).
76
Silicone resin 5E9140 (manufactured by Ishi Co., Ltd.) was coated with xylene, toluene, etc. to a viscosity of 3 to 10 r-p (silicone content: ) K diluted and coated with air spray, then heated at 200°C.
This is a comparison result of durability (sheet passing) when heated and cured for //j minutes.
表 −ｌ
この表−１の通紙耐久性の評価は、シリコーン樹脂の剥
離やクラッキングの発生を枚数で示したものであり、こ
の結果から、シリコーンゴムが硬化状態のものでは、わ
ずか７０００枚の通紙で剥離やクランキングが生ずるが
、半硬化状態のものでは、１０万枚以上の通紙にも耐え
得ることがわかる。Table 1 The paper passing durability evaluation in Table 1 shows the number of sheets in which peeling and cracking of the silicone resin occurs.From this result, when the silicone rubber is in a cured state, only 7000 sheets Peeling and cranking occur when paper is passed through, but it can be seen that semi-cured sheets can withstand passing over 100,000 sheets.
このような差異が生ずるのは、シリコーンゴム層とシリ
コーン樹脂との接着強度に原因があり、その接着強度は
、シリコーンゴムの硬化状態に依存するものと思われる
。 それを調べるべく、シリコーンゴム層のトルエンに
一対ｆル膨潤度を測定した結果が表−２である。The cause of such a difference is the adhesive strength between the silicone rubber layer and the silicone resin, and the adhesive strength seems to depend on the cured state of the silicone rubber. In order to investigate this, the degree of swelling of the silicone rubber layer in toluene was measured and the results are shown in Table 2.
表−２
表−２の結果から、硬化条件を’／ Ｊ Ｏ’（：／Ｊ
分とした場合には、シリコーン樹脂コーティング前とシ
リコーン樹脂硬化後との膨潤度に差がなく、シリコーン
ゴム層が７６０℃／ｊ分で完全に硬化していることがわ
かる。 それに対し、硬化条件を７６０℃／／分とした
場合には、シリコーン樹脂コーティング前の膨潤度が／
６０°Ｃ／−ｊ分の場合に比べて高く、この段階では半
硬化状態にあり、その後のシリコーン樹脂硬化後に完全
に硬化していることがわかる。Table-2 From the results in Table-2, the curing conditions were determined as '/J O'(:/J
It can be seen that there is no difference in the degree of swelling before coating with the silicone resin and after curing the silicone resin, indicating that the silicone rubber layer is completely cured at 760° C./j minutes. On the other hand, when the curing condition is 760°C//min, the degree of swelling before silicone resin coating is
It is higher than that in the case of 60°C/-j minutes, indicating that it is in a semi-cured state at this stage and is completely cured after the silicone resin is cured thereafter.
表−８は、シリコーン樹脂としてＳＲ２４］］とＳＲ２
４１０（ともに東し社製）とを使用した場合の通紙耐久
性について調べた結果である。Table 8 shows SR24]] and SR2 as silicone resins.
410 (both manufactured by Toshisha Co., Ltd.) was investigated regarding paper passing durability.
ただし、製造条件などは表−１の場合と同じ。However, the manufacturing conditions are the same as in Table 1.
表−８
この結果から、シリコーン樹脂が軟質でおるか硬質であ
るかにかかわらず、硬化条件が／ｊθ’Ｃ／／分の場合
、通紙耐久性が大幅に向上することがわかる。Table 8 From these results, it can be seen that regardless of whether the silicone resin is soft or hard, when the curing condition is /jθ'C//min, the paper passing durability is significantly improved.
表−４は、各種のシリコーン樹脂につき、その離型性、
表面硬度、画質の点から考察を加えた結果である。 な
お、離型性の評価は、表−５に示すローラ非オフセット
域で比較を行なつた。Table 4 shows the release properties of various silicone resins,
This is the result of consideration from the viewpoint of surface hardness and image quality. In addition, the evaluation of mold releasability was compared in the roller non-offset area shown in Table 5.
表−鳴
表−５
この表−４の結果から、離型性を加味した場合には、Ｓ
Ｅ ９１４０とＳＲ２４１０が優れ、さらに、画質をも
加味すれば、−液型軟質シ１ノコーン樹脂であるＳＥ
９１４０が最も優れていることがわかる。 その理由は
、ＳＲ２４１１やＳＲ２４］０のような硬質シリコーン
樹脂の場合は、表面硬質が硬すぎてシリコーンゴム層の
弾力性を殺してしまうのに対し、軟質シリコーン樹脂の
場合は、そのようなことがなく、シリコーンゴ４層の弾
力性を十分に生かして高画質を得ることができるからで
ある。Table-Naru-Hyo-5 From the results of this Table-4, when taking mold releasability into account, S
E 9140 and SR2410 are excellent, and if you also take image quality into consideration, - SE which is a liquid type soft silicone resin
It can be seen that 9140 is the best. The reason for this is that in the case of hard silicone resins such as SR2411 and SR24]0, the surface hardness is too hard and destroys the elasticity of the silicone rubber layer, whereas in the case of soft silicone resins, such This is because high image quality can be obtained by fully utilizing the elasticity of the four layers of silicone rubber.
以上定着用ローラを例にとって説明したが、加熱用や加
圧用の定着用ローラ以外に、ベルト式の定着部材用など
、種々の回転体に応用できるものである。 また、シリ
コーン樹脂（３）ｐ厚みについては、３〜ｊ１好ましく
は３〜１０μ程度あれば、強度的にも、耐久性の面でも
優れていることが、各種の実験で判明している。Although the fixing roller has been described above as an example, the present invention can be applied to various rotating bodies, such as belt-type fixing members, in addition to fixing rollers for heating and pressurizing purposes. Furthermore, various experiments have shown that silicone resin (3) p thickness of about 3 to j1, preferably about 3 to 10 microns, is excellent in terms of strength and durability.
以上の説明から明らかなように、本発明の製造方法によ
れば、シリコーンゴム層に対してシリコーン樹脂が強固
に一体化されて接着されるので、耐摩耗性や耐久性に優
れ、かつ、オフセット防止剤の塗布を必要とせずに高離
型を得ることのできるきわめて有用な定着用回転体を製
造することができるのである。As is clear from the above explanation, according to the manufacturing method of the present invention, the silicone resin is firmly integrated and bonded to the silicone rubber layer, so it has excellent abrasion resistance and durability, and has excellent offset This makes it possible to produce an extremely useful rotary body for fixing that can achieve high mold release without requiring the application of an inhibitor.
図面は、不発引力法の実施例を示すもので、第１図は、
定着用ローラの断面図、第２図（イ）。
（ロ）は、要部の拡大断面図である。
（１）・・・・・・芯金、（２）・・・・・シリコーン
ゴム層、（３）・・・・・・シリコーン樹脂。
第 １ 図
第 ２ 図
（ロ）The drawings show an example of the unexploded gravity method, and Figure 1 shows the following:
A sectional view of the fixing roller, FIG. 2 (A). (b) is an enlarged sectional view of the main part. (1) Core metal, (2) Silicone rubber layer, (3) Silicone resin. Figure 1 Figure 2 (b)
Claims (1)
ム層の外表面にシリコーン樹脂を塗布し、その後、前記
シリコーンゴム層とシリコーン樹脂とを同時に加熱硬化
させて製造することを特徴とする定着用回転体の製造方
法。A rotating body for fixing, characterized in that the silicone rubber layer is semi-cured, a silicone resin is applied to the outer surface of the silicone rubber layer, and then the silicone rubber layer and the silicone resin are simultaneously heated and cured. manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11953684A JPS60262631A (en) | 1984-06-11 | 1984-06-11 | Manufacture of rotary member for fixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11953684A JPS60262631A (en) | 1984-06-11 | 1984-06-11 | Manufacture of rotary member for fixing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60262631A true JPS60262631A (en) | 1985-12-26 |
| JPH0542339B2 JPH0542339B2 (en) | 1993-06-28 |
Family
ID=14763712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11953684A Granted JPS60262631A (en) | 1984-06-11 | 1984-06-11 | Manufacture of rotary member for fixing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60262631A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63139380A (en) * | 1986-12-02 | 1988-06-11 | Nitto Kogyo Kk | Fixing roller for electrophotography |
| JPH01147576A (en) * | 1987-12-04 | 1989-06-09 | Canon Inc | Elastic rotating body and fixing device |
| JPH02150876A (en) * | 1988-12-02 | 1990-06-11 | Canon Inc | Elastic rotating body and fixation device |
| JP2005161132A (en) * | 2003-11-28 | 2005-06-23 | Dow Corning Toray Silicone Co Ltd | Manufacturing method of silicone laminate |
| JP2009274274A (en) * | 2008-05-13 | 2009-11-26 | Honda Sangyo Kk | Silicone rubber sheet, silicone rubber double layer sheet, and their manufacturing method |
| JP2012234151A (en) * | 2011-04-19 | 2012-11-29 | Canon Inc | Roller used for fixing device and image heating device including the roller |
| JP2014051099A (en) * | 2013-11-01 | 2014-03-20 | Honda Sangyo Kk | Silicone rubber sheet and silicone rubber multilayer sheet |
| JP2020098254A (en) * | 2018-12-17 | 2020-06-25 | キヤノン株式会社 | Intermediate transfer belt and image forming apparatus |
-
1984
- 1984-06-11 JP JP11953684A patent/JPS60262631A/en active Granted
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63139380A (en) * | 1986-12-02 | 1988-06-11 | Nitto Kogyo Kk | Fixing roller for electrophotography |
| JPH01147576A (en) * | 1987-12-04 | 1989-06-09 | Canon Inc | Elastic rotating body and fixing device |
| JPH02150876A (en) * | 1988-12-02 | 1990-06-11 | Canon Inc | Elastic rotating body and fixation device |
| JP2005161132A (en) * | 2003-11-28 | 2005-06-23 | Dow Corning Toray Silicone Co Ltd | Manufacturing method of silicone laminate |
| JP4503271B2 (en) * | 2003-11-28 | 2010-07-14 | 東レ・ダウコーニング株式会社 | Method for producing silicone laminate |
| JP2009274274A (en) * | 2008-05-13 | 2009-11-26 | Honda Sangyo Kk | Silicone rubber sheet, silicone rubber double layer sheet, and their manufacturing method |
| JP2012234151A (en) * | 2011-04-19 | 2012-11-29 | Canon Inc | Roller used for fixing device and image heating device including the roller |
| JP2014051099A (en) * | 2013-11-01 | 2014-03-20 | Honda Sangyo Kk | Silicone rubber sheet and silicone rubber multilayer sheet |
| JP2020098254A (en) * | 2018-12-17 | 2020-06-25 | キヤノン株式会社 | Intermediate transfer belt and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542339B2 (en) | 1993-06-28 |
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