JP2565358B2 - Coating layer polishing method - Google Patents
Coating layer polishing methodInfo
- Publication number
- JP2565358B2 JP2565358B2 JP62307384A JP30738487A JP2565358B2 JP 2565358 B2 JP2565358 B2 JP 2565358B2 JP 62307384 A JP62307384 A JP 62307384A JP 30738487 A JP30738487 A JP 30738487A JP 2565358 B2 JP2565358 B2 JP 2565358B2
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- coating layer
- sheet
- roller
- mirror
- 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.)
- Expired - Fee Related
Links
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、基材に被覆されている熱可塑性樹脂の層
表面を艶出し（平滑化）する被覆層艶出し方法に係り、
詳しくは処理速度が速くかつパターンコーティングが可
能な被覆層艶出し方法に関するものである。The present invention relates to a coating layer polishing method for polishing (smoothing) a layer surface of a thermoplastic resin coated on a substrate,
More specifically, the present invention relates to a coating layer polishing method which has a high processing speed and enables pattern coating.
第２図は熱可塑性樹脂層の艶出しによる表面変化を示
している。被処理シート10は、シート状基材12とこのシ
ート状基材12の表面に被覆される熱可塑性樹脂被覆層14
とを有し、熱可塑性樹脂被覆層14が単にシート状基材12
に被覆された状態では、熱可塑性樹脂被覆層14の表面は
第２図左側に示されるように凹凸になっている。熱可塑
性樹脂被覆層14の艶出しを行うためには、第２図の右側
に示されるように、熱可塑性樹脂被覆層14の表面を平滑
化（入射角60゜、反射角60゜で、光沢度計の表示値で70
以上であること。）する必要がある。このために、熱可
塑性樹脂層を軟化点以上でかつ融点未満まで加熱し、そ
の状態で鏡面部に熱可塑性樹脂層を加圧しなければなら
ない。FIG. 2 shows the surface change due to the gloss of the thermoplastic resin layer. The sheet 10 to be treated includes a sheet-shaped base material 12 and a thermoplastic resin coating layer 14 coated on the surface of the sheet-shaped base material 12.
And the thermoplastic resin coating layer 14 is simply a sheet-like substrate 12
The surface of the thermoplastic resin coating layer 14 is uneven as shown on the left side of FIG. In order to polish the thermoplastic resin coating layer 14, as shown on the right side of FIG. 2, the surface of the thermoplastic resin coating layer 14 is smoothed (incident angle 60 °, reflection angle 60 °, gloss 70 on the reading of the gyro
That is all. )There is a need to. Therefore, it is necessary to heat the thermoplastic resin layer to a temperature equal to or higher than the softening point and lower than the melting point, and press the thermoplastic resin layer on the mirror surface portion in that state.
第３図、第４図及び第５図はそれぞれ従来の被覆層艶
出し装置の構成図である。FIG. 3, FIG. 4 and FIG. 5 are configuration diagrams of a conventional coating layer polishing device.
第３図はエンドプレス方式と呼ばれるもので、被処理
シート10は、熱可塑性樹脂被覆層14を上側に向けて水平
方向一方へ搬送され、ベルトコンベヤ17の範囲において
予備加熱部16により熱可塑性樹脂被覆層14を予備加熱さ
れる。この第３図及び後述の第４図において予備加熱部
16は省略可能である。鏡面ステンレスベルト18は、予備
加熱部16より下流の経路に配設され、加熱ローラ20と回
転ローラ22との間に掛けられる。加圧ローラ24は加熱ロ
ーラ20の下側に配設され、被処理シート10は加熱ローラ
20と加圧ローラ24との間を通され、その際、被処理シー
ト10の熱可塑性樹脂被覆層14は、加熱ローラ20により熱
可塑性樹脂の軟化点以上でかつ融点未満まで加熱され、
加圧ローラ24により鏡面ステンレスベルト18に大きな圧
力で押圧され、この結果、表面を平滑化される。シャワ
ー26は、被処理シート10の経路に関して加熱ローラ20と
回転ローラ22との間に配設され、被処理シート10の熱可
塑性樹脂被覆層14へ向かって水を噴出し、熱可塑性樹脂
被覆層14を冷却する。被処理シート10の熱可塑性樹脂被
覆層14は、加熱ローラ20と回転ローラ22との間を移動
中、鏡面ステンレスベルト18に貼り付いているが、回転
ローラ22の個所において加圧空気28を吹き付けられ、鏡
面ステンレスベルト18からはがされる。FIG. 3 shows what is called an end press method. The sheet 10 to be processed is conveyed horizontally in one direction with the thermoplastic resin coating layer 14 facing upward, and the thermoplastic resin is fed by the preheating unit 16 in the range of the belt conveyor 17. The coating layer 14 is preheated. In FIG. 3 and FIG. 4 which will be described later, the preheating unit
16 can be omitted. The mirror-finished stainless belt 18 is arranged on the downstream side of the preheating unit 16 and is wound between the heating roller 20 and the rotating roller 22. The pressure roller 24 is arranged below the heating roller 20, and the sheet 10 to be processed is heated by the heating roller 20.
Passed between 20 and the pressure roller 24, at that time, the thermoplastic resin coating layer 14 of the sheet to be treated 10 is heated by the heating roller 20 to a softening point of the thermoplastic resin or higher and lower than the melting point,
The pressure roller 24 presses the specular stainless steel belt 18 with a large pressure, and as a result, the surface is smoothed. The shower 26 is disposed between the heating roller 20 and the rotating roller 22 with respect to the path of the sheet 10 to be processed, jets water toward the thermoplastic resin coating layer 14 of the sheet 10 to be processed, and the thermoplastic resin coating layer Cool 14 The thermoplastic resin coating layer 14 of the sheet to be processed 10 is attached to the mirror-finished stainless belt 18 while moving between the heating roller 20 and the rotating roller 22, but the pressurized air 28 is blown at the position of the rotating roller 22. Then, the mirror-finished stainless belt 18 is peeled off.
第４図はシリンダプレス方式と呼ばれるもので、被処
理シート10は、予備加熱部16において予備加熱された
後、鏡面加熱ローラ30と加圧ローラ24との間を通され
る。被処理シート10の熱可塑性樹脂被覆層14は、鏡面加
熱ローラ30により熱可塑性樹脂の軟化点以上でかつ融点
未満まで加熱されるとともに、加圧ローラ24から鏡面加
熱ローラ30の表面への押圧力により表面を平滑化され
る。FIG. 4 shows a so-called cylinder press system. The sheet 10 to be processed is preheated in the preheating unit 16 and then passed between the mirror surface heating roller 30 and the pressure roller 24. The thermoplastic resin coating layer 14 of the sheet to be processed 10 is heated by the mirror heating roller 30 to a temperature not lower than the softening point of the thermoplastic resin and lower than the melting point, and the pressing force from the pressure roller 24 to the surface of the mirror heating roller 30. The surface is smoothed by.
第５図は溶融コーティング方式と呼ばれ、表面をまだ
被覆されていないシート状基材12が、素材ロール32から
繰り出され、鏡面冷却ローラ34及び加圧ローラ24による
加圧部へ送られる。Ｔダイ36は、鏡面冷却ローラ34と加
圧ローラ24との接触部の上方に配置され、鏡面冷却ロー
ラ34と加圧ローラ24との接触部へ向けて溶融樹脂37を落
下させ、鏡面冷却ローラ34と加圧ローラ24との接触部に
おいてシート状基材12の表面に熱可塑性樹脂被覆層14を
形成する。被処理シート10の熱可塑性樹脂被覆層14は、
鏡面冷却ローラ34により冷却されるとともに、加圧ロー
ラ24から鏡面冷却ローラ34の表面への押圧力により表面
を平滑化される。FIG. 5 shows a so-called melt coating method, in which the sheet-shaped base material 12 whose surface is not yet coated is unrolled from the material roll 32 and sent to the pressing section by the mirror-like cooling roller 34 and the pressing roller 24. The T-die 36 is disposed above the contact portion between the mirror surface cooling roller 34 and the pressure roller 24, and causes the molten resin 37 to drop toward the contact portion between the mirror surface cooling roller 34 and the pressure roller 24, and the mirror surface cooling roller. A thermoplastic resin coating layer (14) is formed on the surface of the sheet-shaped base material (12) at the contact portion between the pressure roller (34) and the pressure roller (24). The thermoplastic resin coating layer 14 of the processing target sheet 10,
The surface is smoothed by the pressure applied from the pressure roller 24 to the surface of the mirror surface cooling roller 34 while being cooled by the mirror surface cooling roller 34.
第３図及び第４図のものでは、被処理シート10の熱可
塑性樹脂被覆層14が軟化点未満になる前に、被処理シー
ト10を鏡体としての鏡面ステンレスベルト18及び鏡面加
熱ローラ30からはがすと、一旦平滑化された熱可塑性樹
脂被覆層14の表面が破壊されて、再び粗面に戻ってしま
い、処理速度をあまり速くすることができない。最高処
理速度は、例えば、シャワー26からの噴出冷却水により
熱可塑性樹脂被覆層14を冷却する第３図のものでは、40
m/分であり、第４図のものでは30m/分である。In FIG. 3 and FIG. 4, before the thermoplastic resin coating layer 14 of the sheet 10 to be treated falls below the softening point, the sheet 10 is treated from the mirror surface stainless belt 18 as a mirror body and the mirror surface heating roller 30. When peeled off, the surface of the once-smoothed thermoplastic resin coating layer 14 is destroyed and returns to a rough surface again, and the processing speed cannot be increased so much. The maximum processing speed is, for example, 40 in FIG. 3 in which the thermoplastic resin coating layer 14 is cooled by the cooling water jetted from the shower 26.
m / min, and in the case of FIG. 4, it is 30 m / min.
第５図のものでは処理速度は100m/分以上とすること
ができるが、樹脂を溶融状態で被覆しなければならず、
また、パターンコーティングが困難である。In the case of FIG. 5, the processing speed can be 100 m / min or more, but the resin must be coated in a molten state,
Also, pattern coating is difficult.
この発明の目的は、処理速度が速くかつパターンコー
ティングが可能な被覆層艶出し方法を提供するこどであ
る。An object of the present invention is to provide a coating layer polishing method which has a high processing speed and enables pattern coating.
この発明の被覆層艶出し方法によれば、表面に熱可塑
性樹脂を被覆される基材を一定方向へ搬送し、途中にお
いて被覆層としての熱可塑性樹脂をその軟化点以上でか
つ融点未満まで加熱し、次に熱可塑性樹脂層を鏡面冷却
ローラへ加圧ローラにより押圧して、鏡面冷却ローラに
おいて熱可塑性樹脂層の表面平滑化と軟化点未満までの
冷却を行う。According to the coating layer glazing method of the present invention, a substrate whose surface is coated with a thermoplastic resin is conveyed in a certain direction, and the thermoplastic resin as a coating layer is heated to a temperature equal to or higher than its softening point and lower than its melting point during the transportation. Then, the thermoplastic resin layer is pressed against the mirror surface cooling roller by the pressure roller, and the surface of the thermoplastic resin layer is smoothed and cooled to below the softening point in the mirror surface cooling roller.
熱可塑性樹脂層をその軟化点以上でかつ融点未満まで
加熱され、この結果、熱可塑性樹脂層は鏡体への押圧に
より表面を平滑化可能の状態となる。The thermoplastic resin layer is heated above its softening point and below its melting point, and as a result, the surface of the thermoplastic resin layer can be made smooth by pressing against the mirror body.
加圧ローラは、鏡面冷却ローラへ熱可塑性樹脂層を押
圧して、熱可塑性樹脂層の表面を平滑化する。また、熱
可塑性樹脂層は鏡面冷却ローラとの接触により軟化点未
満まで冷却する。The pressure roller presses the thermoplastic resin layer against the mirror surface cooling roller to smooth the surface of the thermoplastic resin layer. Further, the thermoplastic resin layer is cooled to below the softening point by contact with the mirror surface cooling roller.
第１図はこの発明に係る被覆層艶出し装置の構成図で
ある。シート状基材12の片側表面に熱可塑性樹脂被覆層
14を被覆されている被処理シート10が、被処理シートロ
ール38を形成し、熱可塑性樹脂被覆層14を上側へ向けて
被処理シートロール38から水平方向へ繰り出される。FIG. 1 is a block diagram of a coating layer polishing apparatus according to the present invention. Thermoplastic resin coating layer on one surface of the sheet-shaped substrate 12
The sheet 10 to be treated that is coated with 14 forms a sheet roll 38 to be treated, and is fed horizontally from the sheet roll 38 to be treated with the thermoplastic resin coating layer 14 facing upward.
加熱部40は、熱風又は赤外線照射等により被処理シー
ト10の熱可塑性樹脂被覆層14を加熱し、熱可塑性樹脂被
覆層14をその軟化点以上でかつ融点未満にする。The heating unit 40 heats the thermoplastic resin coating layer 14 of the sheet 10 to be processed by hot air or infrared irradiation to make the thermoplastic resin coating layer 14 equal to or higher than its softening point and lower than its melting point.
次に被処理シート10は鏡面冷却ローラ34と加圧ローラ
24との間を通され、加圧ローラ24が被処理シート10の熱
可塑性樹脂被覆層14を高圧で鏡面冷却ローラ34に押し付
け、これにより熱可塑性樹脂被覆層14の表面は平滑化さ
れる。また、熱可塑性樹脂被覆層14は、鏡面冷却ローラ
34との接触により軟化点未満まで冷却される。こうし
て、該可塑性樹脂被覆層14の表面が再度、粗面へ戻るこ
となく、被処理シート10の熱可塑性樹脂被覆層14は鏡面
冷却ローラ34からはがされる。Next, the sheet 10 to be processed is a mirror surface cooling roller 34 and a pressure roller.
The pressure roller 24 presses the thermoplastic resin coating layer 14 of the sheet to be processed 10 against the mirror-like cooling roller 34 at a high pressure by being passed between the pressure roller 24 and the sheet 24, whereby the surface of the thermoplastic resin coating layer 14 is smoothed. Further, the thermoplastic resin coating layer 14 is a mirror surface cooling roller.
Cools below the softening point by contact with 34. In this way, the thermoplastic resin coating layer 14 of the sheet 10 to be processed is peeled off from the mirror-like cooling roller 34 without the surface of the plastic resin coating layer 14 returning to the rough surface again.
鏡面冷却ローラ34及び加圧ローラ24から出た被処理シ
ート10は、巻き取られ、処理済みシートロール42を形成
する。The sheet 10 to be processed, which has come out of the mirror surface cooling roller 34 and the pressure roller 24, is wound up to form a processed sheet roll 42.
また、他の実施例として、この方法による装置をグラ
ビア印刷機、オフセット印刷機あるいはコーターなどと
連結し、熱可塑性樹脂の被覆をこれらの機械で行った
後、インラインで被覆層の艶出しを行うこともできる。Further, as another example, the apparatus according to this method is connected to a gravure printing machine, an offset printing machine, a coater or the like, and after coating the thermoplastic resin with these machines, the coating layer is polished in-line. You can also
このように、この発明によれば、熱可塑性樹脂層をそ
の軟化点以上でかつ融点未満まで加熱し、その後、熱可
塑性樹脂層を鏡面冷却ローラへ加圧ローラにより押出し
て、鏡面冷却ローラにおいて熱可塑性樹脂層の表面平滑
化と軟化点未満までの冷却とを同時に行う。したがっ
て、処理速度を速めることができる。As described above, according to the present invention, the thermoplastic resin layer is heated to the softening point or higher and lower than the melting point, and thereafter, the thermoplastic resin layer is extruded by the pressure roller to the mirror surface cooling roller, and is heated in the mirror surface cooling roller. The surface smoothing of the plastic resin layer and the cooling to below the softening point are performed simultaneously. Therefore, the processing speed can be increased.
この発明では、基材へ被覆層をコーティングするのに
通常の印刷機などを使ってパターンコーティングできる
ので、樹脂の節約となり、経済的であり、パターンコー
トによる後加工適正の向上という利点がある。According to the present invention, pattern coating can be performed by using an ordinary printing machine or the like to coat the coating layer on the base material, which saves resin, is economical, and has the advantage of improving post-processing suitability by pattern coating.
第１図はこの発明に係る被覆層艶出し装置の構成図、第
２図は熱可塑性樹脂層の艶出しによる表面変化を示す
図、第３図、第４図及び第５図はそれぞれ従来の被覆層
艶出し装置の構成図である。 10……被処理シート、12……シート状基材、14……熱可
塑性樹脂被覆層、24……加圧ローラ、34……鏡面冷却ロ
ーラ。FIG. 1 is a block diagram of a coating layer polishing device according to the present invention, FIG. 2 is a diagram showing a surface change due to polishing of a thermoplastic resin layer, and FIGS. 3, 4, and 5 are conventional drawings, respectively. It is a block diagram of a coating layer polish device. 10: Sheet to be treated, 12: Sheet-like substrate, 14: Thermoplastic resin coating layer, 24: Pressure roller, 34: Mirror-like cooling roller.
Claims (2)
定方向へ搬送し、途中において被覆層としての前記熱可
塑性樹脂をその軟化点以上でかつ融点未満まで加熱し、
次に熱可塑性樹脂層を鏡面冷却ローラへ加圧ローラによ
り押圧して、鏡面冷却ローラにおいて熱可塑性樹脂層の
表面平滑化と軟化点未満までの冷却を行うことを特徴と
する被覆層艶出し方法。1. A substrate whose surface is coated with a thermoplastic resin is conveyed in a certain direction, and the thermoplastic resin as a coating layer is heated on the way to a temperature equal to or higher than its softening point and lower than its melting point,
Next, the thermoplastic resin layer is pressed against the mirror surface cooling roller by a pressure roller to smooth the surface of the thermoplastic resin layer in the mirror surface cooling roller and cool it to below the softening point. .
射により行うことを特徴とする特許請求の範囲第１項記
載の被覆層艶出し方法。2. The coating layer polishing method according to claim 1, wherein the heating of the thermoplastic resin layer is carried out by irradiation with hot air or infrared rays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62307384A JP2565358B2 (en) | 1987-12-07 | 1987-12-07 | Coating layer polishing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62307384A JP2565358B2 (en) | 1987-12-07 | 1987-12-07 | Coating layer polishing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01148529A JPH01148529A (en) | 1989-06-09 |
| JP2565358B2 true JP2565358B2 (en) | 1996-12-18 |
Family
ID=17968405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62307384A Expired - Fee Related JP2565358B2 (en) | 1987-12-07 | 1987-12-07 | Coating layer polishing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2565358B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3803071B2 (en) * | 2002-06-11 | 2006-08-02 | ヤマウチ株式会社 | Elastic belt for paper industry and method for producing the same |
| JP5828291B2 (en) * | 2012-03-22 | 2015-12-02 | 豊田合成株式会社 | Surface decoration method for resin members |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61182926A (en) * | 1985-02-12 | 1986-08-15 | Tsutomu Yamana | Polishing method of surface of foamed resin product |
-
1987
- 1987-12-07 JP JP62307384A patent/JP2565358B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01148529A (en) | 1989-06-09 |
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