JPS62180111A - Nonviscous elastic roller - Google Patents
Nonviscous elastic rollerInfo
- Publication number
- JPS62180111A JPS62180111A JP2035586A JP2035586A JPS62180111A JP S62180111 A JPS62180111 A JP S62180111A JP 2035586 A JP2035586 A JP 2035586A JP 2035586 A JP2035586 A JP 2035586A JP S62180111 A JPS62180111 A JP S62180111A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- surface layer
- roller
- rubber layer
- adhesive
- 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
- 239000002344 surface layer Substances 0.000 claims abstract description 44
- 229920001971 elastomer Polymers 0.000 claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 31
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 22
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 14
- 239000004917 carbon fiber Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims description 30
- 239000000853 adhesive Substances 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 11
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000004945 silicone rubber Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000006185 dispersion Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052731 fluorine Inorganic materials 0.000 abstract description 2
- 239000011737 fluorine Substances 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 3
- 239000012790 adhesive layer Substances 0.000 description 11
- 238000010304 firing Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polytetrafluoroethylene hexapropylene copolymer Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Coating Apparatus (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は非粘着性弾性体ローラに関する。本発明は、例
えば、電子複写機、ファクシミリなどの定着ローうとし
て利用することができる。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a non-adhesive elastic roller. The present invention can be used, for example, as a fixing machine for electronic copying machines, facsimile machines, and the like.
［従来の技術］
近時、電子複写機の分野では紙上に付着されたトナー像
を定着させるにあたっては、ローラの加圧力と熱とでト
ナー像を定着させる熱定着方式が採用されている。この
熱定着方式では、高速化が容易であること、熱効率がよ
いことなどの利点がある。[Prior Art] Recently, in the field of electronic copying machines, a thermal fixing method has been adopted in which a toner image adhered to a paper is fixed using pressure and heat from a roller. This heat fixing method has advantages such as high speed and high thermal efficiency.
ところで、電子複写機の定着用のローうとしで用いられ
ている非粘着性弾性体ローラは、通常、０−ラ本体と、
ローラ本体の外周面に被覆された下地ゴム層と、下地ゴ
ム層の外周面に被覆されたふっ素樹Ｉｎ？を括祠とする
表面層とから成る。この非粘着性弾性体ローラでは、表
面層はふっ素樹脂を基材とするため、非粘着性に優れて
おり、そのため（−ナーの離形性や紙の離形性にほれて
いる。By the way, a non-adhesive elastic roller used in a fixing row tray of an electronic copying machine usually has an O-roller main body,
A base rubber layer coated on the outer peripheral surface of the roller body, and a fluorine resin In? coated on the outer peripheral surface of the base rubber layer. It consists of a surface layer with a central shrine. Since the surface layer of this non-adhesive elastic roller is based on fluororesin, it has excellent non-adhesive properties, and is therefore popular for its release properties of (-ner) and paper.
しかしながら前記した非粘着性弾性体ローラでは、熱の
影費によって、非粘着性弾性体ローラの製造時や非粘着
性弾性体ローラの使用時に表面層にクラックが入ること
がある。クラックが入りゃすい理由は、ゴムを基材とす
る下地ゴム層とふっ素樹脂を基材とする表面層との熱膨
張差によると推察される。However, in the above-mentioned non-adhesive elastic roller, cracks may occur in the surface layer due to heat effects when the non-adhesive elastic roller is manufactured or used. The reason why cracks are likely to occur is presumed to be due to the difference in thermal expansion between the base rubber layer made of rubber and the surface layer made of fluororesin.
特に、下地ゴム層の基材として安価なシリコンゴムを用
いる場合には、シリコンゴムは耐熱性があまりよくない
ため、表面層の優れた非粘着性を確保しつつ表面層の焼
成温度を低くするため、融点の低い四ふフ化エチレン六
プロピレン共重合体（以下ＦＥＰという）で融点の高い
ポリ四ふっ化工ブレン（以下Ｐ Ｔ Ｆ Ｅという）を
包みこんだ混合物から表面層を形成する必要があるが、
このようにＦＥＰとＰＴＦＥとの混合物から表面層を形
成すると、表面層を焼成して非粘着性弾性体ローラを製
造するどきに、又非粘着性弾性体ローラを電子複写機の
定着ローラとして使用するとき、熱影費で表面層にクラ
ックが生じ易くなる。ここで１： Ｆ ＰとＰ ’ｒ
Ｆ Ｅの混合物から表面層を形成した場合に、表面層に
クラックが生じ易い理由は、必ずしも明らかではないが
、ＦＥＰとＰ Ｔ Ｆ Ｅとの熱膨張差によると推察さ
れる。In particular, when using cheap silicone rubber as the base material for the base rubber layer, since silicone rubber does not have very good heat resistance, it is necessary to lower the firing temperature of the surface layer while ensuring excellent non-stick properties of the surface layer. Therefore, it is necessary to form a surface layer from a mixture in which polytetrafluoroethylene hexapropylene copolymer (hereinafter referred to as FEP) with a low melting point envelops polytetrafluoroethylene (hereinafter referred to as PTFE) with a high melting point. Yes, but
When the surface layer is formed from a mixture of FEP and PTFE in this way, the surface layer can be baked to produce a non-adhesive elastic roller, and the non-adhesive elastic roller can also be used as a fixing roller in an electronic copying machine. When doing so, cracks are likely to occur in the surface layer due to heat radiation. Here 1: F P and P 'r
The reason why cracks tend to occur in the surface layer when it is formed from a mixture of FEP is not necessarily clear, but it is presumed to be due to the difference in thermal expansion between FEP and PTFE.
［発明が解決しにつとする問題点］
本発明は上記した表面層にクラックが牛しるといった問
題点を解決するためになされたものであり、その目的は
表面層にクラックが生じることを抑１ｊｌ−４ることが
できる非粘着性弾性体ローラを提供するにある。[Problems to be Solved by the Invention] The present invention has been made to solve the above-mentioned problem that cracks occur in the surface layer, and its purpose is to suppress the occurrence of cracks in the surface layer. 1jl-4.
本発明に係る非粘着性弾性体ローラは、ローラ本体と、
該［ｌ−ラ本体の外周面に被ｍされた下地ゴム層と、
該下地ゴム層の外周面に被覆されふっ素樹脂を基材とし
補強繊維を含有する表面層と、で構成されていることを
特徴とする・ｂのである。The non-adhesive elastic roller according to the present invention comprises: a roller body; a base rubber layer coated on the outer circumferential surface of the base rubber body; and a fluororesin base material coated on the outer circumference of the base rubber layer. and a surface layer containing reinforcing fibers.
ところで従来より、ゴムを基材とした表面層に補強繊維
を含有させた弾性体ローラが提供されている。しかしこ
の場合には補強繊維は、ゴムを基材とする表面層の圧縮
復元性つまり弾性を高めることを目的として含有されて
いるものであり、表面層のクラック抑制を目的としてい
ない。ゴムを基材とづる表面層は、弾性に富むためクラ
ックがそもそも生じにくいからである。Incidentally, heretofore, elastic rollers have been provided in which the surface layer is made of rubber and contains reinforcing fibers. However, in this case, the reinforcing fibers are contained for the purpose of increasing the compression recovery properties, that is, the elasticity, of the rubber-based surface layer, and are not intended for suppressing cracks in the surface layer. This is because the surface layer made of rubber as a base material is highly elastic, and therefore cracks are difficult to form in the first place.
以下本発明に係る非粘着性弾性体ローラの構成要素につ
いて説明を加える。The constituent elements of the non-adhesive elastic roller according to the present invention will be explained below.
ローラ本体は、中実状でも中空状でもよい。ローラ本体
は通常、円筒形状をなす。ローラ本体は通常、金属から
形成されているが、場合によっては、セラミックス、プ
ラスチックなどから形成してもにい。The roller body may be solid or hollow. The roller body usually has a cylindrical shape. The roller body is usually made of metal, but may also be made of ceramics, plastic, etc.
下地ゴム層は、ローラ本体の外周面に被覆されている。The base rubber layer covers the outer peripheral surface of the roller body.
下地ゴム層は、主として、非粘着性弾性体ローラに弾性
ＩＮ能をｂたＵるためのものである。The base rubber layer is mainly for imparting elastic IN ability to the non-adhesive elastic roller.
下地ゴム層の基材は、コスト、弾性度などを考慮すると
シリコンゴムが好ましいが、場合によってはふっ素ゴム
、又はシリコンゴムとふっ素ゴムとの混合物とすること
らできる。下地ゴム層の厚みは、非粘着性弾性体ローラ
の種類によって適宜設定するが、０．２〜侃５ ｍ１ｌ
ｌとづ゛ることが好ましい。The base material of the base rubber layer is preferably silicone rubber in consideration of cost, elasticity, etc., but in some cases fluororubber or a mixture of silicone rubber and fluororubber may be used. The thickness of the base rubber layer is set appropriately depending on the type of non-adhesive elastic roller, but is 0.2 to 5 ml.
It is preferable to read 1.
表面層は、下地ゴム層の外周面に被覆されている。表面
層の基材はふっ素樹脂である。ふっ素樹脂は、ＦＥＰと
ＰＴＦＥとの混合物とすることができる。この場合ＦＥ
ＰとＰＴＦＥとの割合は、非粘着性弾性体ローラの種類
に応じて適宜設定するが、重量比で１＝２〜２：１が好
ましい。この場合、液状のＦ Ｆ Ｐに液状のＰ Ｔ
Ｆ Ｅを混合させたディスパージョン液を下地ゴム層の
外周面に塗布し、その後、乾燥、゛焼成することによっ
て、表面層を形成することができる。塗布手段としては
スプレー塗布、はけ塗りなどを用いることができる。焼
成は通常電気炉を用い、焼成温度は一般に２８０〜３２
０’Ｃである。又ふっ素樹脂としてはペルフルオロアル
コキシふっ素樹脂（ＰＦＡ）１、“［ヂレン四ふ）化エ
チレン共重合体（Ｅ ’ｒ Ｆ Ｅ ）などを用いても
よい。表面層の厚みは、非粘性性弾性体ローラの種類に
応じて適宜設定するが、１０〜６０μ程度とＪることが
でさ゛る。The surface layer is coated on the outer peripheral surface of the base rubber layer. The base material of the surface layer is a fluororesin. The fluororesin can be a mixture of FEP and PTFE. In this case FE
The ratio of P and PTFE is appropriately set depending on the type of non-adhesive elastic roller, but it is preferably 1=2 to 2:1 in terms of weight ratio. In this case, liquid F F P and liquid P T
The surface layer can be formed by applying a dispersion liquid mixed with FE to the outer peripheral surface of the base rubber layer, followed by drying and baking. As the application means, spray application, brush application, etc. can be used. Firing usually uses an electric furnace, and the firing temperature is generally 280 to 32
It is 0'C. Further, as the fluororesin, perfluoroalkoxyfluororesin (PFA) 1, ethylene tetrafluoride copolymer (E'r FE), etc. may be used.The thickness of the surface layer is determined by the thickness of the non-viscous elastic material. It is set appropriately depending on the type of roller, but it is usually about 10 to 60μ.
さて本発明ではふっ素樹脂を基材とする表面層は、補強
繊維を含有している。表面層は通常焼成して形成するた
め、焼成温度を考慮すると補強繊維は、ある程度の耐熱
↑１をもつことが好ましい。Now, in the present invention, the surface layer based on fluororesin contains reinforcing fibers. Since the surface layer is usually formed by firing, it is preferable that the reinforcing fibers have a certain degree of heat resistance ↑1 in consideration of the firing temperature.
又補強繊維は、表面層の表面を機械研磨して仕上げる場
合には、被研磨性をもっことが好ましい。Furthermore, when the surface of the surface layer is finished by mechanical polishing, the reinforcing fibers preferably have polishability.
従って補強繊維は、炭素ＩＩ Ｎ、グラファイトウィス
カなどとすることが好ましい。場合によっては補強ＩＩ
ｌｉｔは、炭化珪素繊維、炭化珪素ウィスカ、アラミ
ド繊維、ガラス繊維でもよい。ここで、補強繊維が導電
性をもつ場合には、例えば補強繊維が炭素繊維、グラフ
アイ１−ウィスカ、炭化珪素繊維、炭化珪素ウィスカで
ある場合には、非粘着性弾性体ローラを電子複写機の定
着ローラとして使用する際に適する。即ち、連続コピー
を行ない定着ローラと紙とのｒ＠擦で表面層が帯電し易
いとぎであっても、補強繊維の導電性により、表面層の
帯電を抑えることができ、よって紙の巻きつき、オフセ
ットなどを防止できる。Therefore, the reinforcing fibers are preferably carbon II N, graphite whiskers, or the like. Reinforcement II in some cases
The lit may be silicon carbide fibers, silicon carbide whiskers, aramid fibers, or glass fibers. Here, when the reinforcing fibers have conductivity, for example, when the reinforcing fibers are carbon fibers, graphite whiskers, silicon carbide fibers, or silicon carbide whiskers, the non-adhesive elastic roller is attached to the electronic copying machine. Suitable for use as a fixing roller. In other words, even if the surface layer is easily charged due to friction between the fixing roller and the paper during continuous copying, the electrical conductivity of the reinforcing fibers can suppress the charging of the surface layer, thereby reducing paper wrapping. , offset, etc. can be prevented.
補強繊維の配向は、二次元状態でら、三次元状態でもＪ
：いが、表面層の肉厚が薄い場合には、通常、補強繊維
の配向は二次元状態である。補強繊維の径は０．１〜５
μとＪることができるが、表面層の肉厚が薄い場合には
、小さな方が好ましい。The orientation of the reinforcing fibers is J in both the two-dimensional state and the three-dimensional state.
However, when the surface layer is thin, the orientation of the reinforcing fibers is usually two-dimensional. The diameter of the reinforcing fiber is 0.1 to 5
It can be μ and J, but when the surface layer is thin, the smaller the thickness is, the better.
補強繊維の長さは１〜１００μとブることができる。The length of the reinforcing fibers can vary from 1 to 100 microns.
なお、補強繊維を表面層に含有さぼるにあたっては、例
えば、ふっ素樹脂材料の液体と補強繊維とを混合したｂ
のを下地ゴム層にＷ ｔｌｉ シ、これを焼成すること
によって形成することができる。In addition, when adding reinforcing fibers to the surface layer, for example, a mixture of a liquid of fluororesin material and reinforcing fibers may be used.
It can be formed by applying W tli to a base rubber layer and firing this.
［実施例］
第１図〜第４図は本発明の１実施例を示す。本実施例に
係る非粘着性弾性体ロー）は、電子准写機の定容ローラ
として使用される。この非粘着性弾性体Ｏ−ラは、ロー
ラ本体１と、ローラ本体１の外周面に被覆された下地ゴ
ム層２と、下地ゴム層２の外周面に被覆された表面層と
しての非粘着ｌＩ！７３とで形成されている。[Embodiment] FIGS. 1 to 4 show an embodiment of the present invention. The non-adhesive elastic roller according to this embodiment is used as a constant volume roller of an electronic copying machine. This non-adhesive elastic body O-La consists of a roller main body 1, a base rubber layer 2 coated on the outer peripheral surface of the roller main body 1, and a non-adhesive lI as a surface layer coated on the outer peripheral surface of the base rubber layer 2. ! 73.
ローラ本体１はアルミニウム（Ａ文）で円筒形状をなす
ように形成されており、その外周径は５０１Ｉ１１であ
る。ローラ本体１の両端部には支軸１゜が形成されてい
る。The roller body 1 is made of aluminum (text A) and has a cylindrical shape, and its outer circumferential diameter is 501I11. A support shaft 1° is formed at both ends of the roller body 1.
下地ゴム１ｉＡ２の基材はシリコンゴム（東芝シリコン
株式会社製、ＨＴ Ｖシリコンゴム、ＴＳＥ２７０）で
ある。下地ゴム層２の厚みは０．４ｍｍ程度である。The base material of the base rubber 1iA2 is silicone rubber (HTV silicone rubber, TSE270, manufactured by Toshiba Silicon Corporation). The thickness of the base rubber layer 2 is approximately 0.4 mm.
非粘着層３は、［ＥＰとＰＴＦＥとの混合物で形成され
ており、補強繊維としての炭素繊維を含有している５、
ここでＦＥＰとＰ Ｔ Ｆ Ｅとの割合は、重憬比で６
＝４である。非粘着層３を形成するにあたっては本実施
例では以下のようにした。即ち、分散液のＦＥＰ （デ
ュポン製）と分散液のＰＴＦＥ（ダイキン工業製）とを
固形分の重量化で１＝１に混合し、更に炭素繊維く東し
株式会社製、トレカ炭素繊維）を混ぜ合ゼてディスパー
ジョン液を形成した。ここで炭素繊維の長さは１０μで
あり、径は１μ程瓜である。ここで前記ディスパージョ
ン液と炭素繊維との割合は、固形分の１１比で、９：１
である。The non-adhesive layer 3 is [formed of a mixture of EP and PTFE and contains carbon fibers as reinforcing fibers]
Here, the ratio of FEP and P T F E is 6 in Chongqing ratio.
=4. In this example, the non-adhesive layer 3 was formed as follows. That is, a dispersion of FEP (manufactured by DuPont) and a dispersion of PTFE (manufactured by Daikin Industries) were mixed in a ratio of 1=1 in terms of solid content, and further carbon fiber (Torayka Carbon Fiber, manufactured by Carbon Fiber Kutoshi Co., Ltd.) was mixed. The mixture was mixed to form a dispersion liquid. Here, the length of the carbon fiber is 10μ, and the diameter is about 1μ. Here, the ratio of the dispersion liquid to carbon fiber is 9:1 with a solid content of 11.
It is.
次に、第２図に示すように、このディスパーシコン液を
スプレーガン６で下地ゴムｌ１Ｗ２の外周面にほぼ均一
に塗布し、下地ゴム層２の外周面に膜を形成した。次に
この膜を風乾させた模、第４図に示すようにヒータ７０
をもつ電気炉７内にローラ本体１を装入し、ヒータ７０
でローラ本体１を加熱しつつファン７２で電気炉７内の
雰囲気を撹拌し、これにより膜の焼成を行い、これによ
り非粘着ｒＡ３を形成した。なお、焼成温度は３００℃
であり、焼成時間は３０分間であり、非粘着層３の厚さ
は３０μ程度である。Next, as shown in FIG. 2, this dispersicon liquid was applied almost uniformly to the outer circumferential surface of the base rubber l1W2 using a spray gun 6 to form a film on the outer circumferential surface of the base rubber layer 2. Next, after air drying this film, a heater 70 is placed as shown in FIG.
The roller body 1 is placed in an electric furnace 7 having a heater 70.
While heating the roller body 1, the atmosphere inside the electric furnace 7 was stirred by the fan 72, thereby baking the film, thereby forming a non-adhesive rA3. The firing temperature is 300℃
The baking time was 30 minutes, and the thickness of the non-adhesive layer 3 was about 30 μm.
このように膜を焼成して非粘着層３を形成したときであ
ってｂ、非粘着層３には熱影響によるクラックは生じな
かった。そのＪｆｆｌ山は、非粘着１ｉ！ｉ３は炭素繊
維を含有しており、炭素繊維で補強されているためであ
ると考えられる。When the non-adhesive layer 3 was formed by firing the film in this manner, no cracks were generated in the non-adhesive layer 3 due to thermal effects. That Jffl mountain is non-adhesive 1i! This is thought to be because i3 contains carbon fiber and is reinforced with carbon fiber.
本実施例では、非粘着層３の内側には弾性をもつ下地ゴ
ム層２が形成されているため、ふっ素樹脂を基材としか
つ炭素繊維を含有する非粘着層３をローラ本体１に直接
被覆した場合に比して、通紙性を確保できる。In this example, since the elastic base rubber layer 2 is formed inside the non-adhesive layer 3, the non-adhesive layer 3, which is made of fluororesin as a base material and contains carbon fibers, is directly coated on the roller body 1. Paper passing performance can be ensured compared to the case where
ところで本実施例に係る非粘着性弾性体ローラを電子複
写機の定着ローラとして組み込／νで、加熱温度１８０
’Ｃの条件下で６０Ｘ１０３回ランニングした場合で
あってし、非粘着層３にはクラックは生じなかった１、
又、非粘着層３の外周面つまりローラ外周面の汚れもな
かった。By the way, when the non-adhesive elastic roller according to this embodiment is installed as a fixing roller in an electronic copying machine, the heating temperature is 180
When running 60x103 times under the conditions of 'C, no cracks occurred in the non-adhesive layer 31.
Further, there was no stain on the outer peripheral surface of the non-adhesive layer 3, that is, the outer peripheral surface of the roller.
比較例として、非粘着層３が炭素繊維を含有しない点の
み異なる非粘着性弾性体ローラを用い、この比較例に係
る非粘着性弾性体ローラも電子複写機の定着ローラとし
て組み込んで加熱温度１８０℃の条件下でランニングし
た。この場合は３０×１０３回で非粘着層３にクラック
が発生した。As a comparative example, a non-adhesive elastic roller different only in that the non-adhesive layer 3 does not contain carbon fiber was used, and the non-adhesive elastic roller according to this comparative example was also incorporated as a fixing roller in an electronic copying machine and heated at a heating temperature of 180. It was run at ℃. In this case, cracks occurred in the non-adhesive layer 3 after 30×103 times.
更にクラックに起因したローラ外周面の）りれも生じた
。Furthermore, cracks also caused the outer circumferential surface of the roller to sag.
［発明の効果］
本発明に係る非粘着性弾性体ローうでは、表面層は補強
繊維で補強されている。従ってそれだけ表面層にクラッ
クが生じにくくなる。そのため、ＦＥＰとＰ Ｔ Ｆ
Ｅとの混合物を下地ゴム層に塗布し、これを焼成するこ
とにより表面層を形成する場合であってし、又、：１１
帖着性弾性体［ｌ−ラを複写機の定着ローラ等どして使
用する場合であってし、焼成時に表面層にクラックが生
じることを抑えることができる。[Effects of the Invention] In the non-adhesive elastic row according to the present invention, the surface layer is reinforced with reinforcing fibers. Therefore, cracks are less likely to occur in the surface layer. Therefore, FEP and PTF
A surface layer is formed by coating a mixture with E on a base rubber layer and baking it, and: 11
When the adhesive elastic material [L-ra] is used as a fixing roller of a copying machine, etc., it is possible to suppress the occurrence of cracks in the surface layer during firing.
特に、補強繊維として炭素繊維、炭化珪木繊紺、グラフ
ァイトウィスカ、炭化珪素ウィスカを用いた場合には、
これらが導電性をもつため、表面、壱の帯電防止効果を
奏することができる。従って連続］ビーを行うと表面層
が帯電し易い電子複写機の定着ローラとして非粘着性弾
性体ローラを用いる場合に適する。In particular, when carbon fibers, silicon carbide fibers, graphite whiskers, and silicon carbide whiskers are used as reinforcing fibers,
Since these have conductivity, the surface can exhibit a certain antistatic effect. Therefore, it is suitable when a non-adhesive elastic roller is used as a fixing roller in an electronic copying machine, in which the surface layer is easily charged when continuous beading is performed.
図面は本発明の１実施例を示し、第１図は非粘着性弾性
体ローラの外周部の要部の断面図であり、第２図はロー
ラ本体に下地ゴム層を被覆した状態を示す斜視図であり
、第３図は表面層となる膜を下地ゴム層に塗イ１１シて
いる状態を承り斜視図であり、第４図は焼成している状
態を承り電気炉内の断面図である。
図中、１はＯ−ラ本体、２は下地ゴム層、３は非粘＠層
（表面層）をそれぞれ承り。
特許出願人 ミノルタカメラ株式会社代理人
弁理士 入用 宏
同 ブを埋土 丸山明大
第４図The drawings show one embodiment of the present invention, and FIG. 1 is a sectional view of a main part of the outer circumference of a non-adhesive elastic roller, and FIG. 2 is a perspective view showing a state in which the roller body is covered with a base rubber layer. Figure 3 is a perspective view of the surface layer being coated on the base rubber layer, and Figure 4 is a cross-sectional view of the interior of the electric furnace during firing. be. In the figure, 1 is the O-La main body, 2 is the base rubber layer, and 3 is the non-viscous layer (surface layer). Patent applicant Minolta Camera Co., Ltd. Agent
Patent attorney required Hirodo Bu buried in the ground Maruyama Meiji University Diagram 4
Claims (4)
補強繊維を含有する表面層と、で構成されていることを
特徴とする非粘着性弾性体ローラ。(1) Consisting of a roller body, a base rubber layer coated on the outer peripheral surface of the roller body, and a surface layer coated on the outer peripheral surface of the base rubber layer and made of fluororesin as a base material and containing reinforcing fibers. A non-adhesive elastic roller.
ウィスカおよびグラファイトウィスカの少なくとも１種
である特許請求の範囲第１項記載の非粘着性弾性体ロー
ラ。(2) The non-adhesive elastic roller according to claim 1, wherein the reinforcing fibers are at least one of carbon fibers, silicon carbide fibers, silicon carbide whiskers, and graphite whiskers.
範囲第１項記載の非粘着性弾性体ローラ。(3) The non-adhesive elastic roller according to claim 1, wherein the surface layer has a thickness of 10 to 60 μm.
少なくとも１種からなる基材で形成されている特許請求
の範囲第１項記載の非粘着性弾性体ローラ。(4) The non-adhesive elastic roller according to claim 1, wherein the base rubber layer is formed of a base material made of at least one of silicone rubber and fluororubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2035586A JPS62180111A (en) | 1986-01-31 | 1986-01-31 | Nonviscous elastic roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2035586A JPS62180111A (en) | 1986-01-31 | 1986-01-31 | Nonviscous elastic roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62180111A true JPS62180111A (en) | 1987-08-07 |
Family
ID=12024804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2035586A Pending JPS62180111A (en) | 1986-01-31 | 1986-01-31 | Nonviscous elastic roller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62180111A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0285A (en) * | 1989-01-25 | 1990-01-05 | Daikin Ind Ltd | Heat fixing roller |
| EP0779232A1 (en) * | 1995-12-13 | 1997-06-18 | Agfa-Gevaert N.V. | Photographic sheet material processing apparatus with nip forming roller containing potassium titanat whiskers in an outer region |
| EP0884642A1 (en) * | 1997-06-12 | 1998-12-16 | Agfa-Gevaert N.V. | Apparatus for the wet processing of photographic sheet material |
| JP2008105029A (en) * | 2000-11-02 | 2008-05-08 | Bridgestone Corp | Method for manufacturing charging roller |
-
1986
- 1986-01-31 JP JP2035586A patent/JPS62180111A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0285A (en) * | 1989-01-25 | 1990-01-05 | Daikin Ind Ltd | Heat fixing roller |
| JPH0565875B2 (en) * | 1989-01-25 | 1993-09-20 | Daikin Ind Ltd | |
| EP0779232A1 (en) * | 1995-12-13 | 1997-06-18 | Agfa-Gevaert N.V. | Photographic sheet material processing apparatus with nip forming roller containing potassium titanat whiskers in an outer region |
| EP0884642A1 (en) * | 1997-06-12 | 1998-12-16 | Agfa-Gevaert N.V. | Apparatus for the wet processing of photographic sheet material |
| JP2008105029A (en) * | 2000-11-02 | 2008-05-08 | Bridgestone Corp | Method for manufacturing charging roller |
| JP4553156B2 (en) * | 2000-11-02 | 2010-09-29 | 株式会社ブリヂストン | Manufacturing method of charging roller |
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