JP2003165546A - Glass bottle - Google Patents

Glass bottle

Info

Publication number
JP2003165546A
JP2003165546A JP2001362111A JP2001362111A JP2003165546A JP 2003165546 A JP2003165546 A JP 2003165546A JP 2001362111 A JP2001362111 A JP 2001362111A JP 2001362111 A JP2001362111 A JP 2001362111A JP 2003165546 A JP2003165546 A JP 2003165546A
Authority
JP
Japan
Prior art keywords
ink
thermosetting resin
glass bottle
organic
coating
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
Application number
JP2001362111A
Other languages
Japanese (ja)
Inventor
Akira Ikeda
章 池田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Glass Co Ltd
Original Assignee
Toyo Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyo Glass Co Ltd filed Critical Toyo Glass Co Ltd
Priority to JP2001362111A priority Critical patent/JP2003165546A/en
Publication of JP2003165546A publication Critical patent/JP2003165546A/en
Pending legal-status Critical Current

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  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To develop a glass bottle showing no dropping of ink even if organic ink is printed on a coating film of thermosetting resin. <P>SOLUTION: A printing layer of organic ink is formed on a thermosetting resin film formed on an outer surface of the glass bottle and further the thermosetting resin film is formed on the printing layer, so that the printed ink is covered by the thermosetting resin film and no dropping of ink is found. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】 【0001】 【発明の属する技術分野】本発明は、熱硬化性樹脂でコ
ーティングした被膜の上に有機インキで印刷した印刷層
を形成したガラスびんに関する。 【0002】 【従来の技術】ガラスびんの外面に熱硬化性樹脂のコー
ティング被膜を形成することが行われている。これは、
エポキシ系、メラミン系、アクリル系、ウレタン系など
の熱硬化性樹脂を含み、必要に応じてスチレンブタジエ
ンゴム、界面活性剤、シランカップリング剤、着色料な
どを添加したコーティング液でガラス外面をコーティン
グするものである。このようなコーティングは、ガラス
面が傷つくのを防止すると共に、びんを着色したり、フ
ロスト調などに装飾したり、紫外線を遮断したりするこ
とができる。 【0003】すなわち、無色透明びんに着色剤の入った
熱硬化性樹脂のコーティングを行うことで着色びんとし
て使用できるが、このびんをカレットにして再利用する
ときはフリント(無色透明)のカレットとして再利用で
きる。フリントのカレットは着色ガラスのカレットと比
較して格段に需要が高いため、熱硬化性樹脂のコーティ
ングを行ったガラスびんはガラスのリサイクルに貢献す
るものとしてニーズが高まってきている。 【0004】一方、ガラスびんに印刷するインキとして
はセラミックインキと有機インキとがあり、セラミック
インキは鉛やカドミウムを含有するため環境負荷が高く
これらの元素が入っていないインキが求められてきてい
る。また、セラミックインキは焼き付け温度が600℃
前後と高くエネルギーコストも高い。有機インキは鉛や
カドミウムを含まない有機顔料や染料で着色するため環
境負荷が低減でき、焼き付け温度も200℃前後である
ためエネルギーコストもセラミックインキに比べ約1/
3であることなどから最近ガラス容器に印刷する原料と
して注目されてきた。 【0005】 【発明が解決しようとする課題】外面に熱硬化性樹脂の
コーティング被膜を形成したガラスびんに内容物や出所
などに関する情報を表示するため、また装飾のために印
刷が行われる。このような場合でも印刷インキは有機イ
ンキであることが望ましい。しかし、熱硬化性樹脂のコ
ーティング被膜の上に有機インキで印刷するとインキ落
ちしやすいという問題がある。UVタイプの有機インキ
は印刷後紫外線を照射して硬化させた後に加熱すること
でインキを硬化させるが、熱硬化性樹脂コーティング被
膜との相性が悪くインキ層がコーティング被膜から剥離
しやすい。1液タイプの有機インキは硬化剤と混合せず
にインキのみで印刷し熱により硬化させるが、インキ中
に含まれる樹脂(エポキシ樹脂など)が熱硬化性樹脂の
コーティング被膜に浸透し、印刷表面の樹脂が不足し顔
料や染料だけが残った状態となり、インキ落ちしやすく
なる。 【0006】本発明は、熱硬化性樹脂のコーティング被
膜の上に有機インキで印刷しても、インキ落ちしないガ
ラスびんを開発することを課題としてなされたものであ
る。 【0007】 【課題を解決するための手段】本発明は、外面に形成し
た熱硬化性樹脂被膜の上に有機インキの印刷層を形成
し、更にその上に熱硬化性樹脂被膜を形成したことを特
徴とするガラスびんである。 【0008】有機インキの印刷層の上に熱硬化性樹脂被
膜を形成するので、印刷したインキが熱硬化性樹脂被膜
で覆われ、インキ落ちしなくなる。また、印刷層の上の
被膜を着色したもの、フロスト調にしたものなどとする
ことで、デザイン性に富んだガラスびんとすることもで
きる。 【0009】 【発明の実施の形態】ウレタン系主剤100、メラミン
系硬化剤14、ソフト添加剤(トリメトキシシラン)
0.5、シリコン系レベリング剤0.4、消泡剤(ワッ
クス、天然樹脂)0.15、純水10の重量混合比でな
るコーティング液を満たしたディッピング層にガラスび
んを浸漬してガラスびん外面にコーティング液を塗布し
た後、120℃でコーティング液を乾燥させ(熱風と遠
赤外線ヒーターを使用)、180℃の硬化炉で熱硬化性
樹脂を硬化させ、ガラスびん外面全体にコーティング被
膜を形成した。このコーティング被膜の上に200メッ
シュのステンレス製スクリーンを使用して有機インキに
よってスクリーン印刷を施した。有機インキとしては酸
化チタン、4−4‘イソプロピリデンジフェノールと1
−クロロ−2,3−エポキシプロパンの重縮合体、その
他の有機成分(アミド系樹脂)の混合物のものを使用し
た。インキを約200℃で焼き付けた後、再び上記と同
様にガラスびん外面に熱硬化性樹脂のコーティング被膜
を形成した。これにより、熱硬化性樹脂のコーティング
被膜上にされた印刷は熱硬化性樹脂のコーティング被膜
によって覆われたこととなる。 【0010】このように作成したガラスびんの印刷部を
びんで擦ったり、また、有機溶剤をしみ込ませた布で擦
ったが印刷部のインキ落ちは全くなく、本発明の効果が
確認された。 【0011】コーティング液の組成はこの実施例に限る
ものではなく、公知の熱硬化性樹脂を含むコーティング
液を使用できる。コーティング液の塗布方法は、ディッ
ピングに限らずローラーや刷毛塗り、スプレー吹き付け
など自由である。有機インキも実施例に限るものではな
く、公知の種々の有機インキを採用できる。印刷方法は
スクリーン印刷、転写など方法を問わない。 【0012】例えば、無色透明ガラスびんに乳白色のコ
ーティングを行い、その上から有機インキで印刷して印
刷部を形成し、印刷部の上に更に透明コーティングを行
い、印刷部以外の部分にはブルーのコーティングを行う
など、ガラスびんにデザイン性に富んだ種々の装飾を行
うこともできる。 【0013】 【発明の効果】本発明のガラスびんは、熱硬化性樹脂被
膜の上に有機インキを用いて印刷することができるの
で、環境負荷が少なくエネルギーコストも低く抑えるこ
とができる。インキは色落ちしないばかりか、印刷層の
上に形成する熱硬化性樹脂被膜を着色するなどして、デ
ザイン性に富んだガラスびんとすることも可能である。
Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass bottle in which a printing layer printed with an organic ink is formed on a coating film coated with a thermosetting resin. [0002] A coating film of a thermosetting resin is formed on the outer surface of a glass bottle. this is,
Coating the outer surface of glass with a coating liquid containing epoxy, melamine, acrylic, urethane, etc. thermosetting resin and, if necessary, styrene-butadiene rubber, surfactant, silane coupling agent, coloring agent, etc. Is what you do. Such a coating can prevent the glass surface from being damaged, and can color the bottle, decorate it in a frost-like manner, or block ultraviolet rays. That is, a colorless transparent bottle can be used as a colored bottle by coating it with a thermosetting resin containing a colorant. When the bottle is reused as a cullet, it is used as a flint (colorless and transparent) cullet. Can be reused. Since the demand for flint cullet is much higher than that of colored glass cullet, there is an increasing need for glass bottles coated with a thermosetting resin to contribute to glass recycling. On the other hand, there are ceramic inks and organic inks as inks for printing on glass bottles. Ceramic inks contain lead and cadmium and, therefore, have a high environmental load and require inks free of these elements. . The baking temperature of ceramic ink is 600 ° C.
Energy costs are high, around and high. Organic inks are colored with organic pigments and dyes that do not contain lead or cadmium, so they can reduce the environmental burden. The baking temperature is around 200 ° C, so the energy cost is about 1 / compared to that of ceramic inks.
Recently, it has attracted attention as a raw material for printing on glass containers. [0005] Printing is performed on a glass bottle having a thermosetting resin coating film formed on the outer surface thereof for displaying information on the contents and source, and for decoration. Even in such a case, it is desirable that the printing ink is an organic ink. However, printing with an organic ink on a thermosetting resin coating film has a problem that ink is easily removed. UV-type organic inks are cured by irradiating with ultraviolet rays after printing and then heating to cure the ink. However, the compatibility with the thermosetting resin coating film is poor and the ink layer is easily peeled off from the coating film. The one-pack type organic ink is printed with only the ink without mixing with a curing agent and cured by heat. However, the resin (epoxy resin, etc.) contained in the ink penetrates the thermosetting resin coating film and the printed surface Insufficient resin and only pigments and dyes remain, making it easy to remove ink. SUMMARY OF THE INVENTION The object of the present invention is to develop a glass bottle which does not come off even when printed with an organic ink on a thermosetting resin coating film. According to the present invention, there is provided a method for forming a printing layer of an organic ink on a thermosetting resin film formed on an outer surface, and further forming a thermosetting resin film thereon. It is a glass bottle characterized by the following. Since the thermosetting resin film is formed on the organic ink printing layer, the printed ink is covered with the thermosetting resin film, and the ink does not fall off. In addition, a glass bottle having a good design can be obtained by coloring the coating on the printing layer, frosting the coating, or the like. DESCRIPTION OF THE PREFERRED EMBODIMENTS Urethane-based main ingredient 100, melamine-based curing agent 14, soft additive (trimethoxysilane)
A glass bottle is immersed in a dipping layer filled with a coating solution having a weight mixing ratio of 0.5, a silicon-based leveling agent 0.4, an antifoaming agent (wax, natural resin) 0.15, and pure water 10 to form a glass bottle. After applying the coating solution to the outer surface, the coating solution is dried at 120 ° C (using hot air and a far-infrared heater), and the thermosetting resin is cured in a 180 ° C curing oven to form a coating film on the entire outer surface of the glass bottle. did. Screen printing was performed on this coating film using organic ink using a 200-mesh stainless steel screen. Organic inks include titanium oxide, 4-4 'isopropylidene diphenol and 1
A mixture of a polycondensate of -chloro-2,3-epoxypropane and another organic component (amide resin) was used. After baking the ink at about 200 ° C., a coating film of a thermosetting resin was formed again on the outer surface of the glass bottle in the same manner as described above. Thus, the print formed on the thermosetting resin coating film is covered by the thermosetting resin coating film. The printed portion of the glass bottle thus prepared was rubbed with a bottle or rubbed with a cloth impregnated with an organic solvent, but there was no ink bleeding in the printed portion, confirming the effect of the present invention. The composition of the coating liquid is not limited to this embodiment, and a known coating liquid containing a thermosetting resin can be used. The method of applying the coating liquid is not limited to dipping, but may be any method such as roller, brush coating, spraying, and the like. The organic ink is not limited to the examples, and various known organic inks can be used. The printing method does not matter, such as screen printing and transfer. For example, a milky white coating is applied to a colorless and transparent glass bottle, an organic ink is printed thereon to form a printed portion, a transparent coating is further applied on the printed portion, and blue portions are applied to portions other than the printed portion. Various decorations with rich design can be applied to glass bottles, such as by coating. The glass bottle of the present invention can be printed on a thermosetting resin film using an organic ink, so that the environmental load is reduced and the energy cost can be reduced. Not only does the ink not discolor, but it is also possible to color the thermosetting resin film formed on the print layer to make the glass bottle rich in design.

Claims (1)

【特許請求の範囲】 【請求項1】 外面に形成した熱硬化性樹脂被膜の上に
有機インキの印刷層を形成し、更にその上に熱硬化性樹
脂被膜を形成したことを特徴とするガラスびん
Claims: 1. A glass comprising a printed layer of an organic ink formed on a thermosetting resin film formed on an outer surface, and a thermosetting resin film formed thereon. Bottle
JP2001362111A 2001-11-28 2001-11-28 Glass bottle Pending JP2003165546A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001362111A JP2003165546A (en) 2001-11-28 2001-11-28 Glass bottle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001362111A JP2003165546A (en) 2001-11-28 2001-11-28 Glass bottle

Publications (1)

Publication Number Publication Date
JP2003165546A true JP2003165546A (en) 2003-06-10

Family

ID=19172665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001362111A Pending JP2003165546A (en) 2001-11-28 2001-11-28 Glass bottle

Country Status (1)

Country Link
JP (1) JP2003165546A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1494099A2 (en) 2003-06-10 2005-01-05 Denso Corporation Electronic system with a plurality of electronic units

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1494099A2 (en) 2003-06-10 2005-01-05 Denso Corporation Electronic system with a plurality of electronic units

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