JP2953586B2 - Glassine paper lid material - Google Patents
Glassine paper lid materialInfo
- Publication number
- JP2953586B2 JP2953586B2 JP1185097A JP18509789A JP2953586B2 JP 2953586 B2 JP2953586 B2 JP 2953586B2 JP 1185097 A JP1185097 A JP 1185097A JP 18509789 A JP18509789 A JP 18509789A JP 2953586 B2 JP2953586 B2 JP 2953586B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- lid material
- sealing
- glassine paper
- moisture
- 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
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はグラシン紙を基材とし、その一面に熱封緘性
層を設けた積層体からなる熱封緘性蓋材に、更に他面に
耐熱性を有する目止め剤を被覆することにより、吸湿
性、透湿性を改良し、かつ破裂性を容易にした、特にPT
P（Press Through Pack）包装用の蓋材として有用なグ
ラシン紙蓋材に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a heat-sealing lid made of a laminate of glassine paper having a heat-sealing layer on one side, and a heat-resistant lid on the other side. By coating with a waterproof filler, moisture absorption and moisture permeability have been improved, and bursting has been facilitated.
The present invention relates to a glassine paper lid material useful as a lid material for P (Press Through Pack) packaging.
（従来の技術） PTP包装は主として固形の医薬品や食品等の個装に広
く使用されている包装形態であって、代表的な構成を挙
げると、塩化ビニル樹脂やポリプロピレン等のプラスチ
ックのシートに、圧空成形法や真空成形法等の方法によ
り、内容物を格納するためのポケット（凹部）を設けた
容器部分と、アルミニウム箔等の金属箔を基材として、
その一面に熱封緘性層を設けた、前記の容器のポケット
の開口部を封鎖するための蓋材との二つの部分からなっ
ている。(Prior art) PTP packaging is a widely used form of packaging mainly for solid pharmaceuticals and foods, and typical examples include plastic sheets such as vinyl chloride resin and polypropylene. Using a container part provided with a pocket (recess) for storing the contents and a metal foil such as an aluminum foil as a base material by a method such as a pressure forming method or a vacuum forming method,
It has two parts, a heat sealable layer provided on one side thereof, and a lid for closing the opening of the pocket of the container.
包装作業は、前記容器部分のポケットに、包装される
内容物を格納した後、そのポケットの開口面側に前記蓋
材を熱封緘性層が対面するように載置し、蓋材の他面側
から熱封緘バー或いは熱封緘ドラム等の熱圧装置で加
熱、加圧して蓋材を容器のフランジ部分、即ち非ポケッ
ト部分に熱融着させることによって遂行される。In the packaging operation, after the contents to be packaged are stored in the pocket of the container portion, the lid material is placed on the opening side of the pocket such that the heat-sealable layer faces the other surface of the lid material, This is performed by heating and pressing with a hot-pressing device such as a heat-sealing bar or a heat-sealing drum from the side to thermally fuse the lid material to the flange portion of the container, that is, the non-pocket portion.
PTP包装体から内容物を取り出すには、容器のポケッ
ト部を外側から指頭で押圧する。それにより加えられた
圧力は内容物を圧迫し、更に内容物は蓋材の容器開口部
に当たる部分を内側から圧迫して蓋材を破裂させるの
で、内容物を取り出すことができる。To remove the contents from the PTP package, press the pocket of the container from outside with your fingertips. As a result, the applied pressure presses the contents, and furthermore, the contents press the portion of the lid material corresponding to the container opening from the inside to rupture the lid material, so that the contents can be taken out.
PTP包装の蓋材としては一般に前記のように金属箔、
特にアルミニウム箔を基材とし、その一面に熱封緘性層
を設けた積層体が使用されているが、金属蒸着したプラ
スチツクシートまたは紙が基材として使用されている場
合もある。特に内容物から発生する特定の気体類を透過
させる必要性のある場合や、包装費が内容物の価格に比
較して著しく大きく、経済的に問題となる場合等におい
ては、紙が屡々、基材として使用される。基材として使
用される紙としては、強度および破裂性から通常、殆ど
グラシン紙である。In general, metal foil,
In particular, a laminate is used in which an aluminum foil is used as a base material and a heat-sealing layer is provided on one surface thereof, but a plastic sheet or paper on which metal is deposited may be used as a base material. Paper is often used, especially when it is necessary to permeate specific gases generated from the contents, or when the packaging cost is significantly higher than the price of the contents, which is an economic problem. Used as a material. The paper used as the base material is usually almost glassine paper from the viewpoint of strength and burstability.
（発明が解決しようとする課題） しかしながら、基材としてアルミニウム箔の代わりに
グラシン紙を使用して、一面に熱封緘性層を設けた積層
体を蓋材とした場合には、他面側の紙の繊維の吸湿によ
り透湿し易く、内容物の保護にとって好ましくない。ま
た内容物の取り出しに際して、基材の紙の繊維の吸湿が
あると、蓋材に柔軟性が付与されて伸び易くなり、容器
のポケット部を押圧しても蓋材が破裂しなくなる場合が
生じる。更に、該積層体を通常の雰囲気中で保管した場
合、熱封緘性層に対する他面側の吸湿により、積層体が
カールするため、蓋材としての使用に当り熱封緘等の自
動加工機等において、種々のトラブルの原因になる。吸
湿性、透湿性は基材の紙の厚さを大きくすれば改良さ
れ、しかもカールを防止しうるが、蓋材にしたときの破
裂性が悪くなる。(Problems to be Solved by the Invention) However, in the case where a laminated body provided with a heat-sealing layer on one surface is used as a lid material, glassine paper is used as a substrate instead of aluminum foil, Paper fibers easily absorb moisture due to moisture absorption, which is not preferable for protecting the contents. Also, when the contents are taken out, if moisture of the paper fiber of the base material absorbs moisture, the lid material is given flexibility and becomes easy to expand, and the lid material may not burst even when pressing the pocket portion of the container. . Furthermore, when the laminated body is stored in a normal atmosphere, the laminated body curls due to moisture absorption on the other side with respect to the heat-sealing layer. Causes various troubles. The hygroscopicity and the moisture permeability can be improved by increasing the thickness of the base paper and curl can be prevented, but the rupturability when used as a lid material deteriorates.
また、カールを防止するために他面側にビニル樹脂等
の塗膜自体が柔軟な（伸び率が高い）熱可塑性樹脂を主
成分とする被覆剤を塗工して皮膜層を形成させると、柔
軟な皮膜層がグラシン紙の表面繊維で補強される結果と
なり、蓋材の破裂抵抗力が著しく大きくなる。そのた
め、錠剤等のPTP容器の内容物がポケット部の押圧によ
り蓋材が破裂するより先に破損し、商品価値を失う。Also, in order to prevent curling, a coating agent such as a vinyl resin itself having a flexible (high elongation) thermoplastic resin as a main component is applied to the other surface to form a coating layer. The result is that the flexible coating layer is reinforced with the surface fibers of the glassine paper, and the rupture resistance of the lid is significantly increased. For this reason, the contents of the PTP container such as tablets are damaged before the lid material is ruptured due to the pressing of the pocket portion, and lose commercial value.
（課題を解決するための手段） 本発明者は、上記の問題点を解消し、吸湿や透湿性が
低く、かつ破裂性良好なグラシン紙を基材とする蓋材を
得るべく研究を重ねた結果、グラシン紙を基材とし、一
面に防湿性を有する熱封緘性層を設けグラシン紙の他面
に、塗膜自体が脆さを持つ耐熱性目止め剤を塗工して目
止め層を形成させるときは、吸湿性や透湿性が低く、カ
ールを生じ難いために熱封緘等の作業性に問題がなく、
PTP包装としての内容物の保存性が良好で、かつ内容物
の取り出しに当たり、蓋材の破裂性が良好であり、内容
物の破損が極めて少なくなることを見出して本発明に到
達した。(Means for Solving the Problems) The inventor of the present invention has conducted studies to solve the above problems and to obtain a lid material based on glassine paper having low moisture absorption and moisture permeability and good rupture properties. As a result, the glass sealing paper is used as a base material, a heat-sealing layer having a moisture-proof property is provided on one surface, and a heat-resistant sealing agent having a brittle coating film itself is applied to the other surface of the glassine paper to form a sealing layer. When formed, there is no problem in workability such as heat sealing because it has low hygroscopicity and moisture permeability and is unlikely to curl.
The present inventors have found that the preservability of the contents as a PTP package is good, and that when the contents are taken out, the rupturability of the lid material is good and the breakage of the contents is extremely reduced.
しかして本発明のグラシン紙蓋材は、グラシン紙を基
材とし、一面に防湿性を有する熱封緘性層を設け、他面
に塗膜自体が脆さを有する耐熱性目止め剤を被覆したこ
とを技術上の特徴とする。Thus, the glassine paper lid material of the present invention was made of glassine paper as a base material, provided with a heat-sealing layer having moisture-proof properties on one surface, and coated with a heat-resistant sealant having a brittle coating film itself on the other surface. This is a technical feature.
本発明の蓋材において使用する基材は通常のグラシン
紙であればよく、特に制限はない。しかし極端に薄い場
合は熱封緘性層や耐熱性目止め層を設ける工程或いはPT
P容器への熱封緘工程等の作業において破線し易く、ま
たあまり厚い場合はPTP容器からの内容物の取り出しに
当たって、破裂性が悪くなる傾向がある。そのため、坪
量20〜40g/m2のものが適当である。The base material used in the lid material of the present invention may be any ordinary glassine paper, and is not particularly limited. However, if it is extremely thin, a process of providing a heat-sealing layer or a heat-resistant sealing layer or PT
The work such as the heat sealing step for the P container tends to be broken, and if it is too thick, the bursting property tends to be poor when the contents are taken out from the PTP container. Therefore, those having a basis weight of 20 to 40 g / m 2 are suitable.
本発明の蓋材の一面に設けられる熱封緘性層を形成さ
せる樹脂組成物は、PTP容器の材質や熱封緘温度、接着
強度、滑り性等の要求物性によって適宜選択されるが、
本発明では防湿性を有するものを使用する。このような
防湿性を有する熱封緘性層としては、例えばKGPコート
（ダイセル化学工業（株）製の塩化ビニリデン系共重合
体樹脂のラテックス）等が使用される。The resin composition for forming the heat-sealing layer provided on one surface of the lid material of the present invention is appropriately selected according to the required physical properties such as the material and heat-sealing temperature of the PTP container, adhesive strength, and slipperiness.
In the present invention, a material having moisture resistance is used. As such a heat-sealing layer having moisture resistance, for example, KGP coat (a latex of vinylidene chloride-based copolymer resin manufactured by Daicel Chemical Industries, Ltd.) or the like is used.
また、被覆方法も任意であって、溶液または溶融塗
工、溶融押出し積層或いはフィルム状熱封緘性樹脂によ
る積層等の方法等種々の方法が利用できる。熱封緘性層
の被覆に先立って、全面または部分的な着色や文字、記
号或いは任意の模様のデザイン等を基材であるグラシン
紙に施し、これらの前処理層と熱封緘性層との接着性を
良好にするために更に目止め処理を行って目止め層を形
成させる等の通常、行われる処理も任意である。The coating method is also optional, and various methods such as solution or melt coating, melt extrusion lamination, lamination with a film-like heat sealing resin, and the like can be used. Prior to coating the heat-sealable layer, the entire or partial coloring, letters, symbols or any design designs are applied to the glassine paper as a base material, and the adhesion between these pretreatment layers and the heat-sealable layer is performed. In order to improve the properties, a process that is usually performed such as performing a sealing process to form a sealing layer is also optional.
本発明の蓋材の他面（即ち前記熱封緘性層を設けた面
と反対側の面）に被覆する耐熱性目止め剤は、塗膜自体
が脆さを有するものである。ここで「塗膜自体が脆さを
有する」とは、目止め剤自体は液状、例えば溶液状であ
っても、溶剤を揮発させて得られる乾燥塗膜が脆い性質
を示すことを意味する。The heat-resistant sealant that covers the other surface of the lid material of the present invention (that is, the surface opposite to the surface on which the heat-sealing layer is provided) has a brittle coating film itself. Here, "the coating film itself has brittleness" means that the dried coating film obtained by volatilizing the solvent exhibits brittle properties even if the filler itself is in a liquid state, for example, a solution.
また「耐熱性」とは、熱封緘の処理に耐えうることを
意味する。即ち、塩化ビニル樹脂を容器の材質とするPT
P包装においては、蓋材の熱封緘温度の範囲は工程の速
度や封緘圧力によって異なるが、大体において80〜200
℃位であり、通常は120〜180℃の範囲の温度が使用され
る。したがって、汎用的に使用できるためには約200℃
で塗膜が熱封緘ドラムあるいは熱封緘バーに粘着性を示
さないことが必要である。上記「耐熱性」とは係る場合
の熱封緘処理ができる程度を意味しており、熱硬化性樹
脂のほか、熱可塑性樹脂も含まれる。"Heat resistance" means that it can withstand heat sealing. In other words, PT
In P packaging, the range of the heat sealing temperature of the lid material varies depending on the speed of the process and the sealing pressure.
C., usually in the range of 120-180.degree. Therefore, in order to be used for general purposes, about 200 ° C
It is necessary that the coating film does not show tackiness to the heat sealing drum or the heat sealing bar. The "heat resistance" means the degree to which the heat sealing treatment can be performed in such a case, and includes not only a thermosetting resin but also a thermoplastic resin.
また「目止め剤」とは、一般に種々の目的、たとえば
塗工や印刷前に多孔質基材の間隙をなくし、凹凸を埋め
るなどのために、基材の表面全体に塗工する塗工剤を意
味するものであり、ここにおいても多孔質である紙の表
面に塗工されるべき塗工剤を意味している。The term "filler" generally refers to a coating agent that is applied to the entire surface of a substrate for various purposes, for example, to eliminate gaps between porous substrates before filling or printing, and to fill in irregularities. Here, it also means a coating agent to be coated on the surface of porous paper.
以上のことから、ここにいう塗膜自体が脆さを持つ耐
熱性目止め剤の主成分としては、熱硬化性樹脂がほとん
ど含まれ、さらに加熱により溶融あるいは軟化を示さな
いか、または少なくとも融点あるいは軟化点が200℃以
上であるような高結晶性の熱可塑性樹脂などを含むもの
である。From the above, as a main component of the heat-resistant sealant having a brittle coating film itself as described herein, almost contains a thermosetting resin, further does not show melting or softening by heating, or at least the melting point Alternatively, it contains a highly crystalline thermoplastic resin having a softening point of 200 ° C. or higher.
（作用および発明の効果） グラシン紙を基材として一面に防湿性を有する熱封緘
性層を設け、他面に塗膜自体が脆さを有する耐熱性目止
め剤を被覆し、これを乾燥させて目止め層を形成したグ
ラシン紙蓋材は、カールが殆どなく、熱封緘工程等が円
滑であり、かつ防湿効果と脆さを与え、良好な破裂性を
有するグラシン紙蓋材を与える。以下、具体的な実施例
および比較例により詳細に説明する。(Function and Effect of the Invention) A heat-sealing layer having a moisture-proof property is provided on one surface using glassine paper as a base material, and the other surface is coated with a heat-resistant sealant having a brittle coating film itself, and dried. The glassine paper lid material having the sealing layer formed thereon has almost no curl, has a smooth heat sealing step and the like, provides a moisture-proof effect and brittleness, and provides a glassine paper lid material having good rupture properties. Hereinafter, specific examples and comparative examples will be described in detail.
（実施例） 実施例１ 表１に記載した配合組成に基づいてフェノキシ樹脂と
ブチルエーテル化メラミン樹脂と溶剤を混合撹拌して耐
熱性目止め剤を作成した。(Example) Example 1 Based on the composition shown in Table 1, a phenoxy resin, a butyl etherified melamine resin and a solvent were mixed and stirred to prepare a heat-resistant sealant.
得られた耐熱性目止め剤を網目密度125線の彫刻グラ
ビア版を使用して熱封緘性蓋材の基材であるグラシン紙
の他面側に塗工して耐熱性目止め層を形成させた後、一
面側である反対面に青色の印刷インキUNI−LM（大日本
インキ化学工業（株）製）をベタ刷りし、その上に同じ
UNI−LMで文字やデザインを印刷し、更に印刷層の目止
め剤としてカネビラックＬ−CF（鐘淵化学工業（株）
製）を塗工し、引き続いて熱封緘剤および防湿被覆剤と
してKGPコート（ダイセル化学工業（株）製）を塗工し
て熱封緘性蓋材の試料を作成した。The obtained heat-resistant sealant is coated on the other side of glassine paper, which is the base material of the heat-sealing lid material, using a gravure plate having a mesh density of 125 lines to form a heat-resistant seal layer. After that, solid printing was performed with the blue printing ink UNI-LM (manufactured by Dainippon Ink and Chemicals, Inc.) on the opposite side, one side, and the same
Print letters and designs with UNI-LM and use Kanebirak L-CF (Kanebuchi Chemical Industry Co., Ltd.)
And a KGP coat (manufactured by Daicel Chemical Industries, Ltd.) as a heat-sealing agent and a moisture-proof coating agent to prepare a heat-sealing lid material sample.
前記の試料について透湿度（JIS−Z0208）並びに破裂
強度（ミューレン法）を調べた。試験結果は蓋材の構成
とともに性能評価として表２に記載したが、透湿度、破
裂強度共に良好であった。The moisture permeability (JIS-Z0208) and the burst strength (Mullen method) of the above samples were examined. The test results are shown in Table 2 as the performance evaluation together with the configuration of the lid material, and both the moisture permeability and the burst strength were good.
比較例１ 実施例１の耐熱性目止め剤の代わりに、表１に記載し
た配合組成に基づいて塩化ビニル−酢酸ビニル共重合樹
脂と溶剤を混合撹拌して他面被覆用目止め剤を作製し
た。その他の条件や操作等は全く実施例１と同様にして
行った。Comparative Example 1 Instead of the heat-resistant sealant of Example 1, a vinyl chloride-vinyl acetate copolymer resin and a solvent were mixed and stirred based on the composition shown in Table 1 to prepare a sealant for other surface coating. did. Other conditions and operations were performed in the same manner as in Example 1.
性能評価は実施例１と同様に表２に示した。表２から
明らかなように、この比較例１のグラシン紙蓋材は透湿
度は良好であったが、破裂強度については伸びがあり破
れ難く、不良であった。The performance evaluation is shown in Table 2 as in Example 1. As is clear from Table 2, the glassine paper lid material of Comparative Example 1 had good moisture permeability, but the elongation of the bursting strength was poor, and it was difficult to tear.
比較例２ 実施例１において、一面の熱封緘性層側のみを同様に
処理して形成させ、他面側は耐熱性目止め剤を塗工せず
にグラシン紙の表面のままにした熱封緘性蓋材の試料を
作成した。Comparative Example 2 In Example 1, only one side of the heat-sealing layer was treated in the same manner, and the other side was heat-sealed without coating with a heat-resistant sealant. A sample of the conductive lid material was prepared.
性能評価は実施例１と同様に表２に示した。このもの
は透湿度が高く、吸湿性が大きいためカールが大きく又
破裂強度についても吸湿性による紙の伸びがあるため破
裂性が悪かった。The performance evaluation is shown in Table 2 as in Example 1. This product had high moisture permeability and large hygroscopicity, resulting in a large curl. Moreover, the burst strength was poor due to the elongation of the paper due to the hygroscopicity.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−144341（ＪＰ，Ａ) 実開 昭54−26567（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) D21H 27/30 D21H 27/10 B65D 75/34 B65D 53/00 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-144341 (JP, A) JP-A-54-26567 (JP, U) (58) Fields investigated (Int. Cl. 6 , DB name) D21H 27/30 D21H 27/10 B65D 75/34 B65D 53/00
Claims (1)
する熱封緘性層を設け、他面に塗膜自体が脆さを有する
耐熱性目止め剤を被覆したことを特徴とするグラシン紙
蓋材。1. A glassine comprising glassine paper as a base material, a heat-sealing layer having a moisture-proof property provided on one side, and a heat-resistant sealant having a brittle coating film itself on the other side. Paper lid material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1185097A JP2953586B2 (en) | 1989-07-18 | 1989-07-18 | Glassine paper lid material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1185097A JP2953586B2 (en) | 1989-07-18 | 1989-07-18 | Glassine paper lid material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0351400A JPH0351400A (en) | 1991-03-05 |
| JP2953586B2 true JP2953586B2 (en) | 1999-09-27 |
Family
ID=16164796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1185097A Expired - Fee Related JP2953586B2 (en) | 1989-07-18 | 1989-07-18 | Glassine paper lid material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2953586B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8163362B2 (en) | 2008-02-29 | 2012-04-24 | Ykk Corporation Of America | Line of sight hose cover |
| US8137779B2 (en) * | 2008-02-29 | 2012-03-20 | Ykk Corporation Of America | Line of sight hose cover |
-
1989
- 1989-07-18 JP JP1185097A patent/JP2953586B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351400A (en) | 1991-03-05 |
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