JPS6121353A - Vessel stopper made of synthetic resin - Google Patents
Vessel stopper made of synthetic resinInfo
- Publication number
- JPS6121353A JPS6121353A JP59140550A JP14055084A JPS6121353A JP S6121353 A JPS6121353 A JP S6121353A JP 59140550 A JP59140550 A JP 59140550A JP 14055084 A JP14055084 A JP 14055084A JP S6121353 A JPS6121353 A JP S6121353A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- synthetic resin
- container
- cork
- foam
- 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.)
- Granted
Links
Landscapes
- Closures For Containers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は合成樹脂製容器栓に関し、更に詳しくは、各椋
飲料の皿や壺などのような容器の頚部又は開口部を密封
するだめの合成樹脂製容器栓に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to synthetic resin container stoppers, and more particularly to synthetic resin stoppers for sealing the necks or openings of containers such as plates and jars for various types of beverages. Concerning container closures.
頓榊11穎拠延倉肚範火↓ようとする一匪救各種飲料の
瓶などの口には従来コルク製の栓が一般的に使用されて
いた。コルク栓は弾性にすくれているため瓶口の直径よ
り大きな径のものを圧縮し乍ら瓶口に挿入することがで
きるめで、その密封性にすぐれ、また空気や酸素などの
気体の侵入を防止するガスバリヤ−性にもすぐれている
。In the past, cork stoppers were commonly used for the openings of various beverage bottles. Because cork stoppers are elastic, they can be inserted into the bottle mouth while compressing objects with a diameter larger than the diameter of the bottle mouth.They have excellent sealing properties and prevent gases such as air and oxygen from entering. It also has excellent gas barrier properties.
しかしながら、コルク栓はその資源が天然産のものであ
るため品質的のバラツキが多かったり量的、価格的に問
題があったり、ズイ線、虫食い孔などから内容物液が洩
れたり、特有のコルク臭が容器内容物に移行して、内容
物の味覚を損なうおそれがあったりするという問題があ
った。However, since cork stoppers are made from natural resources, there are many variations in quality, problems with quantity and price, the liquid content leaks from the wires and insect holes, and the unique characteristics of cork stoppers. There is a problem in that the odor may transfer to the contents of the container and impair the taste of the contents.
かかる状況に鑑み、合成樹脂を用いて容器栓を製造する
ことが種々試みられている。例えば、ポリエチレンなど
のようなポリオレフィンやポリ塩化ビニルなどの栓、更
にはポリ塩化ビニリデン或いは ポリエチレンとブクジ
エンゴムを原料とする人工コルクなどが開発されている
が、これらの合成樹脂製柱は弾性をもたせるために添加
した物質から内容液中に異味、異臭が移行したり、密封
性に劣るために内容液と外部雰囲気との遮断性に劣ると
いった問題がある。In view of this situation, various attempts have been made to manufacture container stoppers using synthetic resins. For example, stoppers made of polyolefins such as polyethylene, polyvinyl chloride, and even artificial corks made from polyvinylidene chloride or polyethylene and bucdiene rubber have been developed, but these synthetic resin pillars have elasticity. There are problems such as the transfer of foreign tastes and odors from the substances added to the liquid into the liquid, and the poor sealing performance between the liquid and the external atmosphere.
問題点を解決するための手段及びその作用効果従って、
本発明は、内容液の密封性にすぐれ、異味異臭を内容液
に移行ゼしめることもなく、加工性に優れ、比較的廉価
でバラツキのない一定の品質をもつ合成樹脂製容器性を
提供することを目的とし、この目的を酸成分としてテレ
フタル酸、グリコール成分としてエチレングリコールと
1゜4−シクロヘキサンジメタノールを用いて得られる
コポリエステルの弾性体から成る合成樹脂製容器性によ
って達成することに成功し、本発明を完成するに至った
ものである。Means for solving problems and their effects, therefore,
The present invention provides a container made of synthetic resin that has excellent sealing properties for the liquid inside, does not transfer foreign taste and odor to the liquid, has excellent processability, is relatively inexpensive, and has uniform quality. We succeeded in achieving this objective by using a synthetic resin container made of an elastic copolyester obtained using terephthalic acid as the acid component and ethylene glycol and 1°4-cyclohexanedimethanol as the glycol components. This led to the completion of the present invention.
本発明の容器栓は、前記した如く、酸成分としてテレフ
タル酸、グリコール成分として1.4−シクロヘキサン
ジメタノール50〜80モル%、好ましくは60〜70
モル%及びエチレングリコール50〜20モル%、好ま
しくは40〜30モル%の混合グリコール成分を、常法
に従って−j!重合して得られるコポリエステルを原料
とし、これを発泡成形して独立気泡を有する弾性発泡体
とすることによって製造することができる。As described above, the container stopper of the present invention has terephthalic acid as an acid component and 1,4-cyclohexanedimethanol as a glycol component of 50 to 80 mol%, preferably 60 to 70 mol%.
A mixed glycol component of 50 to 20 mol %, preferably 40 to 30 mol % of ethylene glycol and -j! It can be manufactured by using a copolyester obtained by polymerization as a raw material and foam-molding it into an elastic foam having closed cells.
このようなコポリエステルは例えば、イーストマンケミ
カル社(米国)よりKODARPETGなる商標名で市
販されている。発泡成形の方法としては、例えば 窒素
ガス、炭酸ガスなどの気体吹き込んで発泡させる方法、
揮発性の液状有機化合物や液化化合物などの薬剤を混入
して成形時に揮発発泡させる方法などの従来慣用の方法
によることができるが、瓶などの容器内容物が飲食物の
場合には窒素ガスや炭酸ガスを用いる方法を使用するの
が好ましい。発泡弾性体の発泡度には特に限定はないが
、容器栓の所望密度その他に従って40〜70%とする
ことができる。Such copolyesters are commercially available, for example, from Eastman Chemical Company (USA) under the trade name KODARPETG. Foam molding methods include, for example, foaming by blowing in gas such as nitrogen gas or carbon dioxide;
Conventional methods such as mixing chemicals such as volatile liquid organic compounds and liquefied compounds and causing them to volatilize and foam during molding can be used, but if the contents of a container such as a bottle are food or drink, nitrogen gas or Preferably, a method using carbon dioxide gas is used. The foaming degree of the foamed elastic body is not particularly limited, but can be set to 40 to 70% depending on the desired density of the container stopper and other factors.
本発明において使用する前記コポリエステル中の1,4
−シクロヘキサンジメタノールの配合量が少な過ぎる場
合又は全く含まれない場合には所望の物性や弾性を有す
る発泡体の成形が困難なので好ましくなく、逆に1.4
−シクロヘキサンジメタノールの配合量が多過ぎると、
結晶化速度が速過ぎて発泡が十分でなく、えられる発泡
体が硬くなるので好まししくない。1,4 in the copolyester used in the present invention
-If the amount of cyclohexanedimethanol blended is too small or if it is not included at all, it is difficult to mold a foam with desired physical properties and elasticity, which is undesirable.
-If the amount of cyclohexanedimethanol is too large,
This is not preferable because the crystallization rate is too fast, resulting in insufficient foaming and the resulting foam becomes hard.
このようにして、前記した特定のコポリエステルから製
造した発泡弾性体の容器栓は、異味、異臭をもたず、密
封性にすくれ、外部雰囲気中のガス体の容器内への侵入
を効果的に防止して容器内容物を外部雰囲気から完全に
遮゛断し、また 加工性に優れるので円筒状、円錐台状
などの任意の形状のものを製造することができ、寸法安
定性、弾゛性、その他の物性にもすくれるという特長を
有する。更に本発明に従った容器栓は天然コルクに比較
して二1ス1−的にも廉価であり、品質的にも一定し′
(おり、特殊加工の栓(例えば、ネジ切りをしたり、什
の−F部に装飾を施したりした栓)を製造することかで
きるという特長を有する。In this way, the foamed elastic container stopper manufactured from the above-mentioned specific copolyester has no off-taste or odor, has good sealing performance, and is effective in preventing gases in the external atmosphere from entering the container. It completely insulates the contents of the container from the outside atmosphere, and has excellent processability, so it can be manufactured into any shape such as a cylinder or truncated cone, and has excellent dimensional stability and elasticity. It has the feature of being able to improve physical properties and other physical properties. Furthermore, the container stopper according to the present invention is 21 times less expensive than natural cork, and has consistent quality.
(It has the advantage of being able to manufacture specially processed stoppers (for example, stoppers with threads or decorations on the -F part of the end).
実−峰(夕11一
本発明に従った容器栓の特性を示すために、以Fにその
好ましい=−例を示すが、本発明の範囲をこの実施例に
限定するものでないことはいうまでもない。In order to show the characteristics of the container stopper according to the present invention, preferred examples are shown below, but it goes without saying that the scope of the present invention is not limited to these examples. Nor.
イ ス1−マンう一ミカル社!IIPETG 676
3(グリコール成分の一部を1,4−シクロヘキサンジ
メタノールに置換したコポリエステル)を窒素ガスで発
泡させて寸法22mmφX 38 mmの円筒状容器栓
を製造した。Isu 1-Man Uichi Mikalsha! IIPETG 676
Example 3 (a copolyester in which a portion of the glycol component was replaced with 1,4-cyclohexanedimethanol) was foamed with nitrogen gas to produce a cylindrical container stopper with dimensions of 22 mm φ x 38 mm.
この本発明に従った容器栓の各種特性を測定した結果は
以下の通りであった。The results of measuring various characteristics of the container stopper according to the present invention are as follows.
(1)官能及び衛生試験結果
上記本発明の容器栓並び比較例又は対照例として、天然
コルク、セルコルク(英国メタルボックス社製人工コル
ク、ポリエチレンとエチレン酢酸ビニル共重合体を全体
とした発泡体といわれる)及びターン(フランス国S、
N、B、P、製人工コルク、ポリエチレンとエチレン酢
酸ビニル共重合体にゴムを配合した素材から成る発泡体
といわれる)を20%エヂルアルコール水溶液(ワイン
想定液)及び45%エチルアルコール水76液(ウィス
キー想定液)に35℃で103日間浸漬し、fηられた
浸漬液につい、て良く訓練された専門パネル(5名)及
び一般消費者を対象とした一部パネル(5名)によりブ
ランク液(容器栓を浸漬しなかった液)との−・対比較
試験結果は下表の通りであった。(1) Sensory and hygienic test results The above container closures of the present invention and comparative or control examples were tested using natural cork, cell cork (artificial cork manufactured by Metal Box Co., Ltd. in the UK, and a foam made entirely of polyethylene and ethylene-vinyl acetate copolymer). ) and turn (France S,
N, B, P, artificial cork, a foam made of a material made of polyethylene and ethylene-vinyl acetate copolymer mixed with rubber) was mixed with a 20% aqueous solution of ethyl alcohol (supposed wine solution) and 45% ethyl alcohol water 76 A well-trained professional panel (5 people) and a panel of general consumers (5 people) blanked the immersion liquid that was immersed in a liquid (simulated whiskey liquid) for 103 days at 35°C and feta. The results of the comparison test with the liquid (liquid in which the container stopper was not immersed) are as shown in the table below.
第1表
浸漬液 本発明の栓 セルコルク20% ブ
ランク液 プラスチック臭アルコール との差なしく
11 及びゴム臭有り(2)45% ブランク液
オリゴマー溶出(濁り)アルコール との差なしく
1)及び着色剤溶出有り(2)來−V卑−4肪
浸漬液 ターン 天然コルク20%
プラスチック臭 コルク臭アルコール 及
びゴム臭有り(2) 有り(3)45% オ
リゴマー溶出(濁り)コルク臭アルコール 及び着色剤
溶出有り(2) 有り(3)(1):ガスクロマトグ
ラフ試験でもブランク液との差は認められなかった。Table 1 Immersion liquid Plug of the present invention Cellcork 20% Blank liquid Alcohol with plastic odor No difference from 11 and rubber odor (2) 45% Blank liquid Oligomer elution (turbidity) Alcohol No difference from 1) and colorant Elution (2) Come-V base-4 fat soaking liquid Turn Natural cork 20%
Plastic odor Cork-smelling alcohol and rubber odor (2) Yes (3) 45% Oligomer elution (turbidity) Cork-smelling alcohol and colorant elution (2) Yes (3) (1): Even in gas chromatography tests, it was different from the blank liquid. No difference was observed.
(2):ガスクロマトグラフ試験でオリゴマー類と著え
られるピークあり。(2): There was a peak that was clearly identified as oligomers in the gas chromatography test.
(3):ガスクロマトグラフ試験でポリフェノール類と
考えられるピークあり。(3): A peak considered to be polyphenols was found in the gas chromatography test.
(2)透湿性試験
上で製造した本発明の発泡体柱と同し構造の平均壁厚0
.85 mmの200m1中空成形容器に65°Cの水
、20%エチルアルコール水溶液及び45%エチルアル
コール水溶液を入れて15℃及び35℃で30日間保存
し、液透過量(g/g/日)を測定した。(2) Average wall thickness of the same structure as the foam column of the present invention manufactured in the moisture permeability test: 0
.. Water at 65°C, 20% ethyl alcohol aqueous solution and 45% ethyl alcohol aqueous solution were placed in a 85 mm 200ml blow-molded container and stored at 15°C and 35°C for 30 days, and the amount of liquid permeation (g/g/day) was measured. It was measured.
結果は第2表の通りであった。The results are shown in Table 2.
以下余白
第2表
充填液 保存過度
15℃ 35℃
水 0.3 0.12
0%アルコール 0.2 .1.045%アル
コール 0.2 0.8上で′!M潰した本発
明の発泡体柱と同じ構造の発泡体の酸素透過性を測定し
た結果は以下の通りであ っ ノこ 。Table 2 with margin below Filling liquid Excessive storage 15℃ 35℃ Water 0.3 0.12
0% alcohol 0.2. 1.045% alcohol 0.2 0.8 above'! The results of measuring the oxygen permeability of a foam having the same structure as the M-crushed foam column of the present invention are as follows.
Claims (1)
エチレングリコールと1,4−シクロヘキサンジメタノ
ールを用いて得られるコポリエステルの弾性体から成る
合成樹脂製容器栓。 2、前記グリコール成分が1,4−シクロヘキサンジメ
タノール50〜80モル%及びエチレングリコール50
〜20モル%からなる特許請求の範囲第1項記載の容器
栓。[Scope of Claims] 1. A synthetic resin container stopper made of an elastic copolyester obtained using terephthalic acid as an acid component and ethylene glycol and 1,4-cyclohexanedimethanol as glycol components. 2. The glycol component is 50 to 80 mol% of 1,4-cyclohexanedimethanol and 50% of ethylene glycol.
The container stopper according to claim 1, consisting of ~20 mol%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59140550A JPH06546B2 (en) | 1984-07-09 | 1984-07-09 | Synthetic resin container stopper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59140550A JPH06546B2 (en) | 1984-07-09 | 1984-07-09 | Synthetic resin container stopper |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6121353A true JPS6121353A (en) | 1986-01-30 |
JPH06546B2 JPH06546B2 (en) | 1994-01-05 |
Family
ID=15271279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59140550A Expired - Lifetime JPH06546B2 (en) | 1984-07-09 | 1984-07-09 | Synthetic resin container stopper |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH06546B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5475037A (en) * | 1993-02-02 | 1995-12-12 | The Dow Chemical Company | Amorphous polyester foam |
-
1984
- 1984-07-09 JP JP59140550A patent/JPH06546B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5475037A (en) * | 1993-02-02 | 1995-12-12 | The Dow Chemical Company | Amorphous polyester foam |
Also Published As
Publication number | Publication date |
---|---|
JPH06546B2 (en) | 1994-01-05 |
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