JP2001038804A5 - Manufacturing method of cylindrical film - Google Patents
Manufacturing method of cylindrical film Download PDFInfo
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- JP2001038804A5 JP2001038804A5 JP1999218924A JP21892499A JP2001038804A5 JP 2001038804 A5 JP2001038804 A5 JP 2001038804A5 JP 1999218924 A JP1999218924 A JP 1999218924A JP 21892499 A JP21892499 A JP 21892499A JP 2001038804 A5 JP2001038804 A5 JP 2001038804A5
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- Prior art keywords
- cylindrical film
- tube
- mold
- producing
- manufacturing
- Prior art date
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Links
- 238000004519 manufacturing process Methods 0.000 title description 24
- 238000001125 extrusion Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive Effects 0.000 description 3
- 230000002093 peripheral Effects 0.000 description 3
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N Antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 229960003563 Calcium Carbonate Drugs 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L Magnesium hydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- QVRVXSZKCXFBTE-UHFFFAOYSA-N N-[4-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)butyl]-2-(2-fluoroethoxy)-5-methylbenzamide Chemical compound C1C=2C=C(OC)C(OC)=CC=2CCN1CCCCNC(=O)C1=CC(C)=CC=C1OCCF QVRVXSZKCXFBTE-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N TiO Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N Tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 230000000111 anti-oxidant Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910001929 titanium oxide Inorganic materials 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 予め筒状に成形したチューブを型に被せて加熱することにより、該チューブを収縮させ、所定の周長を有する円筒形フィルムを得る製造方法において、
該型として表面に５μｍ以上の凹凸を有する型を用いることを特徴とする円筒状フィルムの製造方法。
【請求項２】 前記型の表面粗さ（Ｒｚ）が２μｍ〜１ｍｍである請求項１に記載の円筒状フィルムの製造方法。
【請求項３】 前記型が、その表面の該型の軸方向に深さ５μｍ以上の溝を有する請求項１又は２に記載の円筒状フィルムの製造方法。
【請求項４】 前記型の軸方向における溝と溝との間隔が０．１〜１００ｍｍである請求項３に記載の円筒状フィルムの製造方法。
【請求項５】 前記型が、その表面の該型の周方向に深さ５μｍ以上の溝を有する請求項１又は２に記載の円筒状フィルムの製造方法。
【請求項６】 前記型の周方向における溝と溝との間隔が０．０２〜１ｍｍである請求項５に記載の円筒状フィルムの製造方法。
【請求項７】 前記チューブが、環状ダイスの先端からの押出しによって得られる吐出物を、その長手方向に直交する方向に押し潰したときの全幅で挟持する挟持部材を通過させながら引き取る工程を経て得られたチューブである請求項１〜６のいずれかに記載の円筒状フィルムの製造方法。
【請求項８】 前記チューブが、前記引き取る工程の後、更に前記挟持部材を通過させたことに起因する折り目を除去あるいは軽減する工程を経て得られたチューブである請求項７に記載の円筒状フィルムの製造方法。
【請求項９】 前記チューブが、環状ダイスの先端からの押出しによって得られる吐出物を用いて得られた、該環状ダイスのダイギャップよりも薄い肉厚を有するチューブである請求項１〜８のいずれかに記載の円筒状フィルムの製造方法。
【請求項１０】 前記チューブが、環状ダイスの先端からの押出しによって得られる吐出物を吐出速度よりも早い引き取り速度で引き取ることによって得られたチューブである請求項１〜９のいずれかに記載の円筒状フィルムの製造方法。
【請求項１１】 前記チューブが、環状ダイスの先端からの押出しによって得られる吐出物を用いて得られた、該環状ダイスのダイス直径に対して５０〜４００％の直径を有するチューブである請求項１〜１０のいずれかに記載の円筒状フィルムの製造方法。
【請求項１２】 前記チューブが、環状ダイスの先端からの押出しによって吐出されたチューブ状溶融物に大気圧以上の気体を吹き込み、これを膨張させる工程を経て連続的に成形されたチューブである請求項１〜１１のいずれかに記載の円筒状フィルムの製造方法。
【請求項１３】 前記チューブが、２軸押出機による、環状ダイスの先端からの押出しによって得られる吐出物を用いて得られたチューブである請求項１〜１２のいずれかに記載の円筒状フィルムの製造方法。
【請求項１４】 前記チューブが、該チューブの成形時に該チューブの長手方向に対して直交方向に切断する工程を経て得られたチューブである請求項１〜１３のいずれかに記載の円筒状フィルムの製造方法。
[Claims]
1. A mold is covered with a tube that has been formed into a tubular shape in advance.handIn a manufacturing method in which the tube is contracted by heating to obtain a cylindrical film having a predetermined peripheral length.
As the typeA method for producing a cylindrical film, which comprises using a mold having irregularities of 5 μm or more on the surface.
2. The method for producing a cylindrical film according to claim 1, wherein the surface roughness (Rz) of the mold is 2 μm to 1 mm.
3. The mold.But thatSurfaceTheThe method for producing a cylindrical film according to claim 1 or 2, which has a groove having a depth of 5 μm or more in the axial direction of the mold.
[Claim 4] The method for producing a cylindrical film according to claim 3, wherein the distance between the grooves in the axial direction of the mold is 0.1 to 100 mm.
Claim5] The moldBut thatSurfaceTheThe method for producing a cylindrical film according to claim 1 or 2, which has a groove having a depth of 5 μm or more in the circumferential direction of the mold.
6. A claim that the distance between the grooves in the circumferential direction of the mold is 0.02 to 1 mm.5The method for producing a cylindrical film according to.
7. The tube is inserted from the tip of an annular die.ofBy extrusioncan getDischarge,Its longitudinal directionDirectlyFellowshipTo doPass the holding member to be held at the full width when crushed in the directionWhileTake overThrough the processObtainedTubeThe method for producing a cylindrical film according to any one of claims 1 to 6.
8. The tube isOf the above-mentioned pick-up processrear,Furthermore, the aboveHolding memberThat passedRemove or reduce creases caused byThrough the processObtainedTubeClaims7The method for producing a cylindrical film according to.
9. The tube is inserted from the tip of an annular die.ofBy extrusioncan getvomitWith thingsObtained, A tube with a wall thickness thinner than the die gap of the annular dieAndRuThe method for producing a cylindrical film according to any one of claims 1 to 8.
10. The tube is inserted from the tip of an annular die.ofBy extrusioncan getvomitBy picking up an object at a pick-up speed faster than the discharge speedObtainedtubeAndRuThe method for producing a cylindrical film according to any one of claims 1 to 9.
11. The tube is inserted from the tip of an annular die.ofBy extrusioncan getvomitWith thingsObtained, A tube having a diameter of 50 to 400% of the die diameter of the annular die.AndRuThe method for producing a cylindrical film according to any one of claims 1 to 10.
12. The tubeFrom the tip of the annular dieofAtmospheric pressure or higher gas is blown into the tubular melt discharged by extrusion.See thisInflateThrough the processContinuously moldedWastubeAndThe method for producing a cylindrical film according to any one of claims 1 to 11.
13. The tube isBy twin-screw extruderIs it the tip of a ring dice?And othersBy extrusioncan getvomitWith thingsObtainedtubeAndRuThe method for producing a cylindrical film according to any one of claims 1 to 12.
14. The tube isThe tubeAt the time of moldingThe tubeOrthogonal to the longitudinal direction ofCut intoCut offThrough the process ofObtainedIs a tubeThe method for producing a cylindrical film according to any one of claims 1 to 13.
【０００１】
【発明の属する技術分野】
本発明は、電子写真装置に用いられる、中間転写ベルト、転写搬送ベルト、搬送ベルト、定着フィルム等の円筒状フィルムの製造方法に関する。
[0001]
[Technical field to which the invention belongs]
The present invention is used in an electrophotographic apparatus, regarding the intermediate transfer belt, a transfer conveyor belt, the conveyor belt, the method for manufacturing a cylindrical film such as fixing film.
【００１９】
【発明が解決しようとする課題】
本発明の目的は、熱可塑性樹脂からなるチューブを型に被せて熱収縮させる際に、空気溜りの発生を抑制して、ベコのない平滑な円筒状フィルムを安価に製造することができる円筒状フィルムの製造方法を提供することにある。
0019
[Problems to be Solved by the Invention]
An object of the present invention is to suppress the generation of air pools when a tube made of a thermoplastic resin is placed on a mold and heat-shrinked, so that a smooth cylindrical film without beco can be produced at low cost. It is to provide a manufacturing how the film.
【００２０】
【課題を解決するための手段】
本発明に従って、予め筒状に成形したチューブを型に被せて加熱することにより、該チューブを収縮させ、所定の周長を有する円筒状フィルムを得る製造方法において、
該型として表面に５μｍ以上の凹凸を有する型を用いる円筒状フィルムの製造方法が提供される。
0020
[Means for solving problems]
In accordance with the present invention, by heating is covered with a tube molded in advance cylindrically mold, allowed to shrink the tube, in the manufacturing method of obtaining a cylindrical film having a predetermined circumferential length,
Producing how the cylindrical film using a mold having a more uneven 5μm on the surface is provided as a mold.
印加電圧は、画像形成装置で使用される中間転写体及び転写部材に印加される電圧の範囲の一部である１〜１０００Ｖの間で任意に選択できる。また、サンプルの抵抗値、厚み、絶縁破壊強さ等に応じて、上記印加電圧の範囲において、測定時の印加電圧は適宜変えることができる。また、上記印加電圧のいずれか一点の電圧で測定された複数箇所の体積抵抗及び表面抵抗が、本発明の抵抗範囲に含まれれば、本発明の目的とする抵抗範囲であると判断される。 Applied voltage, can be selected arbitrarily among 1~1000V part of the scope of the voltage applied to the intermediate transfer member and the transfer member used in the images forming apparatus. Further, the applied voltage at the time of measurement can be appropriately changed within the above-mentioned applied voltage range according to the resistance value, thickness, dielectric breakdown strength, etc. of the sample. Further, if the volume resistance and the surface resistance at a plurality of points measured at any one of the applied voltages are included in the resistance range of the present invention, it is determined that the resistance range is the object of the present invention.
本発明にかかる円筒状フィルムを得るためには、熱可塑性樹脂に任意の添加剤を加えることができる。例えば、導電剤（カーボンブラック、酸化チタン、チタン酸カリウム、酸化錫等）、充填剤（タルク、マイカ、炭酸カルシウム等）、難燃剤（水酸化マグネシウム、三酸化アンチモン等）、酸化防止剤（ｔ−ブチルヒドロキシトルエン等）等を挙げることができる。もちろん、添加剤は、上記材料に限定されるものではなく、その他の任意の添加剤を使用することができる。 In order to obtain the cylindrical film according to the present invention , any additive can be added to the thermoplastic resin. For example, conductive agents (carbon black, titanium oxide, potassium titanate, tin oxide, etc.), fillers (talc, mica, calcium carbonate, etc.), flame retardants (magnesium hydroxide, antimony trioxide, etc.), antioxidants (t). -Butylhydroxytoluene, etc.) and the like. Of course, the additive is not limited to the above-mentioned materials, and any other additive can be used.
なお、本発明にかかる円筒状フィルムは、単層でもよいし複数の層で構成されていてもよい。複数の層からなる円筒状フィルムを得る場合、予め複数の層で形成したチューブを多層ダイスからの押出しによって得てもよいし、単層のチューブから単層の円筒状フィルムを得て、その後、単層円筒状フィルムの表面あるいは裏面に新たな層を設ける（例えば、スプレー法、ディッピング法等により）ことによって複数の層からなる円筒状フィルムとしてもよい。 The cylindrical film according to the present invention may be a single layer or may be composed of a plurality of layers. When obtaining a cylindrical film composed of a plurality of layers, a tube previously formed of the plurality of layers may be obtained by extrusion from a multilayer die, or a single-layer cylindrical film may be obtained from a single-layer tube, and then a single-layer cylindrical film may be obtained. A cylindrical film composed of a plurality of layers may be formed by providing a new layer on the front surface or the back surface of the single-layer cylindrical film (for example, by a spray method, a dipping method, etc.).
以上説明してきたように、本発明は予め筒状に成形したチューブを型に被せて加熱することにより、チューブを収縮させ、所定の周長を有する円筒状フィルムを得る製造方法において、該型として表面に５μｍ以上の凹凸を有する型を用いることを特徴とする円筒状フィルムの製造方法である。従って、本発明の製造方法により得られるフィルムは、ベコのない平滑なフィルムであるという特徴を持つ。 As described above, the present invention is used as the mold in a manufacturing method for obtaining a cylindrical film having a predetermined peripheral length by shrinking the tube by covering a mold with a tube formed into a tubular shape in advance and heating the tube. This is a method for producing a cylindrical film, which comprises using a mold having irregularities of 5 μm or more on the surface. Therefore, the film obtained by the production method of the present invention is characterized by being a smooth film without beko.
次に、得られたチューブを実施例１と同様の熱収縮用シリンダーに被せ、実施例１と同様にして、熱収縮させ、円筒状フィルムを得た。得られた円筒状フィルムにベコはなく、平滑であった。 Then, put the obtained similar thermal contraction cylinder as in Example 1 the tubes, in the same manner as in Example 1, and heat-shrunk to obtain a circular tubular film. The obtained cylindrical film had no beko and was smooth.
【００９０】
【発明の効果】
以上説明してきたように、本発明は、予め筒状に成形したチューブを型に被せて加熱することにより、チューブを収縮させ、所定の周長を有する円筒状フィルムを得る製造方法において、該型として表面に５μｍ以上の凹凸を有する型を用いることを特徴とする円筒状フィルムの製造方法である。
[0090]
【Effect of the invention】
As described above, the present invention is a manufacturing method for obtaining a cylindrical film having a predetermined peripheral length by shrinking the tube by covering the mold with a tube formed into a tubular shape in advance and heating the mold. This is a method for producing a cylindrical film, which comprises using a mold having irregularities of 5 μm or more on the surface.
【図１】
中間転写ベルトを用いたカラー画像形成装置の概略構成図である。
FIG. 1
It is a schematic diagram of a color image forming apparatus using the medium between the transfer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21892499A JP4136211B2 (en) | 1999-08-02 | 1999-08-02 | Method for producing cylindrical film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21892499A JP4136211B2 (en) | 1999-08-02 | 1999-08-02 | Method for producing cylindrical film |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001038804A JP2001038804A (en) | 2001-02-13 |
| JP2001038804A5 true JP2001038804A5 (en) | 2006-07-27 |
| JP4136211B2 JP4136211B2 (en) | 2008-08-20 |
Family
ID=16727466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21892499A Expired - Fee Related JP4136211B2 (en) | 1999-08-02 | 1999-08-02 | Method for producing cylindrical film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4136211B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008069243A1 (en) * | 2006-12-06 | 2008-06-12 | Ishihara Sangyo Kaisha, Ltd. | Cold-cathode electron source, its manufacturing method, and light-emitting element using same |
-
1999
- 1999-08-02 JP JP21892499A patent/JP4136211B2/en not_active Expired - Fee Related
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