JPS63151381A - Forming method of resin-fused coat with uneven surface - Google Patents
Forming method of resin-fused coat with uneven surfaceInfo
- Publication number
- JPS63151381A JPS63151381A JP29724486A JP29724486A JPS63151381A JP S63151381 A JPS63151381 A JP S63151381A JP 29724486 A JP29724486 A JP 29724486A JP 29724486 A JP29724486 A JP 29724486A JP S63151381 A JPS63151381 A JP S63151381A
- Authority
- JP
- Japan
- Prior art keywords
- container
- resin
- cloth sheet
- unwoven cloth
- melting point
- 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
- 238000000034 method Methods 0.000 title claims description 11
- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000008018 melting Effects 0.000 claims abstract description 12
- 239000004814 polyurethane Substances 0.000 claims abstract description 5
- 229920002635 polyurethane Polymers 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 27
- 239000004745 nonwoven fabric Substances 0.000 claims description 22
- 230000004927 fusion Effects 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 abstract 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000007639 printing Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ガラス瓶や金属缶などの容器その他の物品表
面に樹脂融着被膜を形成する方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for forming a resin fusion coating on the surface of containers such as glass bottles and metal cans and other articles.
ガラス瓶や金属缶などの容器は、流通過程での表面の擦
過疵や発錆を防止し、また機械的衝撃による破損を防止
するための保護膜として、ウレタンやエポキシ等の樹脂
塗膜が、装飾と外観性の改善を兼ねて塗布されることは
公知である。その樹脂塗膜は、樹脂粉末を糊剤と共に容
器表面に塗布して加熱溶融し、焼付は乾燥することによ
り、または液状樹脂浴に容器を浸漬して樹脂を付着させ
、焼付は乾燥することにより形成される。Containers such as glass bottles and metal cans are decorated with resin coatings such as urethane and epoxy as a protective film to prevent scratches and rust on the surface during the distribution process and to prevent damage due to mechanical impact. It is known that the coating is applied to improve the appearance. The resin coating film is produced by applying resin powder together with a glue to the surface of the container, heating and melting it, and then drying it, or by immersing the container in a liquid resin bath to adhere the resin, and baking it by drying it. It is formed.
樹脂塗膜の形成には、塗装作業と焼付は乾燥作業を必要
とし、膜厚の厚い塗膜を形成するには、塗装作業を反復
しなければならない等、工程が煩瑣である。また、樹脂
塗膜はラベルの役目を兼ね、その表面に商品名等の表示
、および彩飾のための印刷が施されるのが常であるが、
容器表面に塗設された樹脂膜表面に印刷を行うことは、
工程を一層複雑にする。更に、塗装により形成される樹
脂膜の表面は平坦なものに限られるので、梨地肌などの
凹凸表面をもたせるには、樹脂塗膜形成後、エンボス加
工等の加工工程が必要である。Formation of a resin coating film requires a drying process for painting and baking, and to form a thick coating film, the painting process must be repeated, making the process cumbersome. In addition, the resin coating also serves as a label, and the product name is usually displayed on its surface, as well as printing for decoration.
Printing on the surface of the resin film coated on the container surface is
Make the process even more complicated. Furthermore, since the surface of the resin film formed by painting is limited to a flat surface, processing steps such as embossing are required after the resin coating film is formed in order to provide an uneven surface such as a satin finish.
本発明は上記問題点を解決することを目的とする。The present invention aims to solve the above problems.
〔問題点を解決するための手段および作用〕本発明の樹
脂融着被膜の形成方法は、ポリウレタン長繊維不織布シ
ート（以下、「不織布シート」）を、ガラス瓶や金属製
容器等の耐熱性物品の表面に密着させて、不織布シート
を、その融点ないしは融点＋１００℃の温度に加熱する
ことを特徴としている。[Means and effects for solving the problems] The method for forming a resin fusion film of the present invention is to apply a polyurethane long fiber nonwoven fabric sheet (hereinafter referred to as a "nonwoven fabric sheet") to a heat-resistant article such as a glass bottle or a metal container. It is characterized in that the nonwoven fabric sheet is brought into close contact with the surface and heated to a temperature of the melting point or +100° C. of the melting point.
第１図は、不織布シート（１）を、容器（２）の胴径よ
り小さい口径のチューブに成形したものを、径方向に弾
性伸張させて容器（２）に外嵌し、弾性収縮力を以て容
器（２）の胴部周面に密着させたうえ、その不織布シー
ト（１）を加熱器（４）により加熱処理する例を示して
いる。また、第２図は、不織布シート（１）をポリウレ
タン系等の樹脂接着剤（３）を介して容器（２）の表面
の所定の個所に接着したうえ、加熱器（４）にて不織布
シート（１）を加熱処理する例を示している。その不織
布シート（１）には、商品名等の表示や彩飾のための印
刷が予め施されている。Figure 1 shows a nonwoven fabric sheet (1) formed into a tube with a diameter smaller than the body diameter of the container (2), which is elastically stretched in the radial direction and fitted onto the container (2), and then compressed with elastic contraction force. An example is shown in which the nonwoven fabric sheet (1) is brought into close contact with the circumferential surface of the body of the container (2) and then heat-treated with a heater (4). In addition, in Figure 2, a nonwoven fabric sheet (1) is adhered to a predetermined location on the surface of a container (2) via a resin adhesive (3) such as polyurethane, and then the nonwoven fabric sheet is heated using a heater (4). An example of heat-treating (1) is shown. The nonwoven fabric sheet (1) has been printed in advance for displaying product names and other decorations.
上記のように容器の表面に密着させた不織布シートを、
その融点〜融点＋１００℃の温度に適当時間（おおむね
、数分間）加熱保持することにより、不織布シートは、
若干の収縮を伴って容器表面に融着することにより、容
器表面と強固な結合関係を有する融着膜が形成される。As mentioned above, the nonwoven fabric sheet is tightly attached to the surface of the container.
By heating and maintaining the temperature between the melting point and the melting point +100°C for an appropriate period of time (approximately several minutes), the nonwoven fabric sheet can be
By fusing to the container surface with some shrinkage, a fused film having a strong bonding relationship with the container surface is formed.
こうして形成された樹脂融着被膜は、不織布シートのも
との長繊維の絡み構造の名残をとどめており、その絡み
構造により、従来の樹脂塗膜を凌ぐ高い強度を示す。ま
た、その樹脂融着被膜は、もとの長繊維の絡み構造に因
る網目様ないしは梨地肌様の微妙な凹凸表面を呈してい
る。The resin fusion coating thus formed retains the vestiges of the original long fiber entanglement structure of the nonwoven fabric sheet, and due to this entanglement structure, it exhibits higher strength than conventional resin coatings. Furthermore, the resin fusion coating exhibits a delicately uneven surface resembling a mesh or satin texture due to the entangled structure of the original long fibers.
本発明において、不織布シートの融点を加熱処理温度の
下限値とするのは、それより低温であると、容器表面に
対する完全な融着を達成することができないからであり
、他方融点＋８０°Ｃを上限値に規定した理由は、それ
を越えると、不織布シートのもとの長繊維の絡み構造の
特徴が弱められると共に、材質の劣化をきたすからであ
る。In the present invention, the melting point of the nonwoven fabric sheet is set as the lower limit of the heat treatment temperature because if the temperature is lower than that, complete fusion to the container surface cannot be achieved. The reason why the upper limit is specified is that if it exceeds the upper limit, the characteristics of the entangled structure of the long fibers of the nonwoven fabric sheet will be weakened, and the material will deteriorate.
樹脂融着被膜の厚さは、使用する不織布シートの厚さを
選択することにより厚薄任意に調節でき、例えば２０〜
２００ｇ／ｎ（の比較的厚肉の融着被膜を形成すること
も容易である。The thickness of the resin fusion coating can be adjusted arbitrarily by selecting the thickness of the nonwoven fabric sheet used, for example, from 20 to 20.
It is also easy to form a relatively thick fused film of 200 g/n.
本発明は、ガラス瓶、金属缶などのほか、エポキシ、ユ
リア、フェノール等の耐熱々硬化性樹脂製容器にも適用
される。また、容器類に限られず、各種の機器、パイプ
、治具類にも適用することができる。The present invention is applicable not only to glass bottles and metal cans, but also to containers made of heat-resistant thermosetting resins such as epoxy, urea, and phenol. Furthermore, the present invention is not limited to containers, but can also be applied to various types of equipment, pipes, and jigs.
ポリウレタン長繊維不織布シート（鐘紡■製「エスパン
シオーネ」、融点：約１８０℃）をチューブ（口径：６
２ｍｍ）に成形したものを、第１図に示すようにガラス
瓶（胴径：６７ｍｍ）の胴部に、弾性収縮力を以て密着
させ、加熱処理温度および保持時間を変えてオープン内
で加熱処理することにより、ガラス瓶の表面に融着被膜
を形成した。加熱処理は、（ａ） １９０℃×１０分、
（ｂ）２００℃×８分、（Ｃ）２３０℃×６分、（ｄ１
２５０℃×５分、Ｔｅ１２７０℃×４分の５通りの条件
で行い、比較例として（ｆｌ１６５℃×１５分および（
ｇ）２８５℃×３分の２通りを行った。A polyurethane long fiber nonwoven fabric sheet ("Espansione" manufactured by Kanebo ■, melting point: approximately 180°C) was inserted into a tube (diameter: 6
2 mm) is tightly attached to the body of a glass bottle (body diameter: 67 mm) with elastic shrinkage force as shown in Figure 1, and heat treated in an open chamber at varying heat treatment temperatures and holding times. A fused film was formed on the surface of the glass bottle. The heat treatment was (a) 190°C x 10 minutes;
(b) 200℃ x 8 minutes, (C) 230℃ x 6 minutes, (d1
The test was carried out under five conditions: 250°C x 5 minutes, Te1270°C x 4 minutes, and as a comparative example (fl165°C x 15 minutes and (
g) Two tests were carried out at 285°C for 3 minutes.
（ａｌ〜ｔｅｌの各加熱処理により形成された樹脂融着
被膜は、網目様の凹凸粗面を有しく但し、網目間は、樹
脂の溶融により閉塞し、略気密な膜面をなしている）、
かつガラス瓶表面に略完全に結合一体化している。(The resin fusion coating formed by each heat treatment of al to tel has a mesh-like uneven surface, but the gaps between the meshes are closed by the melting of the resin, forming a nearly airtight film surface.) ,
Moreover, it is almost completely bonded and integrated with the surface of the glass bottle.
他方、比較例（ｆ）の加熱処理により形成された樹脂被
膜は、加熱温度が低いため、ガラス瓶表面に殆ど融着せ
ず、また比較例（川では加熱温度が高すぎるため、樹脂
が溶融し流れ始め、凹凸表面を有する網目様皮膜を形成
することができなかった。On the other hand, the resin coating formed by the heat treatment in Comparative Example (f) hardly adhered to the surface of the glass bottle because the heating temperature was low; Initially, it was not possible to form a mesh-like film with an uneven surface.
本発明によれば、不織布シートをガラス容器や金属容器
の表面に取付で加熱処理する簡単な工程により、所望の
肉厚を有する樹脂融着被膜を形成することができる。ま
た、不織布シートに予め必要な印刷を施しておくことが
できるので、容器に被着させた後に印刷工程に回送する
という物流の無駄が解消される。According to the present invention, a resin fusion coating having a desired thickness can be formed by a simple process of attaching a nonwoven fabric sheet to the surface of a glass container or metal container and heat-treating the surface. Furthermore, since the necessary printing can be applied to the nonwoven fabric sheet in advance, it is possible to eliminate the wasteful logistics of sending the nonwoven fabric sheet to the printing process after applying it to the container.
本発明方法により形成される樹脂融着被膜は、不織布シ
ートの長繊維の絡み構造に由来する網目様ないしは梨地
肌様の凹凸表面と厚肉・立体感を有している。このため
、樹脂を塗装したり、樹脂フィルムを被着させて形成さ
れていた従来の樹脂被膜と異なる独特の意匠効果のみな
らず外部から加わる機械衝撃に対するクッション効果や
、手に持ったときのすべり防止効果が得られる。しかも
、長繊維の絡み構造のなごりをとどめているので、耐裂
強度も高く、炭酸飲料などの充填用ガラス瓶等の破瓶防
止機能にすぐれており、また、その被膜と容器表面とが
強固に結合しているので、万一ガラス瓶が破損した場合
の破片の飛散防止効果を併せ有している。The resin fusion coating formed by the method of the present invention has a network-like or satin-like uneven surface and a thick, three-dimensional appearance derived from the entangled structure of the long fibers of the nonwoven fabric sheet. For this reason, it not only has a unique design effect that is different from conventional resin coatings that are formed by painting resin or adhering a resin film, but also has a cushioning effect against mechanical shocks applied from the outside, and prevents slipping when held in the hand. A preventive effect can be obtained. Moreover, since the entangled structure of long fibers remains intact, it has high tear resistance and is excellent in preventing glass bottles used for filling carbonated beverages from breaking, and also provides a strong bond between the coating and the container surface. This also has the effect of preventing fragments from scattering in the event that the glass bottle is broken.
第１図、第２図は本発明方法の一部切欠正面説明図であ
る。
１：不織布シート、２：容器、３：接着剤、４：加熱器
。1 and 2 are partially cutaway front explanatory views of the method of the present invention. 1: Nonwoven fabric sheet, 2: Container, 3: Adhesive, 4: Heater.
Claims (1)
の表面に密着させて、該不織布シートを、その融点ない
し融点＋１００℃の温度域に加熱することを特徴とする
物品表面に凹凸表面を有する樹脂融着被膜を形成する方
法。(1) A resin having an uneven surface on the surface of the article, characterized in that a polyurethane long fiber nonwoven fabric sheet is brought into close contact with the surface of a heat-resistant article, and the nonwoven fabric sheet is heated to a temperature range of the melting point or +100°C of the melting point. Method of forming a fusion coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29724486A JPS63151381A (en) | 1986-12-13 | 1986-12-13 | Forming method of resin-fused coat with uneven surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29724486A JPS63151381A (en) | 1986-12-13 | 1986-12-13 | Forming method of resin-fused coat with uneven surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63151381A true JPS63151381A (en) | 1988-06-23 |
Family
ID=17844028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29724486A Pending JPS63151381A (en) | 1986-12-13 | 1986-12-13 | Forming method of resin-fused coat with uneven surface |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63151381A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5252155A (en) * | 1992-03-10 | 1993-10-12 | National Starch And Chemical Investment Holding Corporation | Shrink film labeling with polyurethane hot melts |
-
1986
- 1986-12-13 JP JP29724486A patent/JPS63151381A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5252155A (en) * | 1992-03-10 | 1993-10-12 | National Starch And Chemical Investment Holding Corporation | Shrink film labeling with polyurethane hot melts |
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