JPS6333252A - Vessel made of plastic - Google Patents
Vessel made of plasticInfo
- Publication number
- JPS6333252A JPS6333252A JP16842686A JP16842686A JPS6333252A JP S6333252 A JPS6333252 A JP S6333252A JP 16842686 A JP16842686 A JP 16842686A JP 16842686 A JP16842686 A JP 16842686A JP S6333252 A JPS6333252 A JP S6333252A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- plastic
- impermeability
- fuel
- fluid
- 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
- 239000004033 plastic Substances 0.000 title claims description 13
- 229920003023 plastic Polymers 0.000 title claims description 13
- 229920000858 Cyclodextrin Polymers 0.000 claims description 20
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims description 20
- 229920005992 thermoplastic resin Polymers 0.000 claims description 17
- 239000012530 fluid Substances 0.000 description 15
- 239000002828 fuel tank Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 239000003502 gasoline Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004382 Amylase Substances 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241000178960 Paenibacillus macerans Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- HFHDHCJBZVLPGP-RWMJIURBSA-N alpha-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO HFHDHCJBZVLPGP-RWMJIURBSA-N 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- GDSRMADSINPKSL-HSEONFRVSA-N gamma-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO GDSRMADSINPKSL-HSEONFRVSA-N 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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) [Abstract] 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、車両用燃料タンク等、貯溜する燃料等の流体
に対して高い不透過性が要求されるプラスチック製の容
器に関し、特にその不透過性の改善対策に関するもので
ある。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to plastic containers such as vehicle fuel tanks that are required to have high impermeability to stored fluids such as fuel, and particularly to plastic containers that require high impermeability to fluids such as stored fuel. It concerns measures to improve transparency.
（従来の技術）
近年、自動車等車両の燃料タンクとして、その軽量化お
よび成形加工の容易化を図るべくプラスチック製のもの
が提案され実用化されつつある。(Prior Art) In recent years, plastic fuel tanks for vehicles such as automobiles have been proposed and put into practical use in order to reduce their weight and facilitate molding.
このプラスチック製の燃料タンクは、貯溜する燃料（ガ
ソリン、軽油等）に対して高い不透過性が要求され、最
近この要求が厳しくなる傾向にある。This plastic fuel tank is required to be highly impermeable to the stored fuel (gasoline, diesel oil, etc.), and these requirements have recently become stricter.
そして、上記従来のプラスチック製燃料タンクとしては
、単にポリエチレン等の熱可塑性樹脂製のものでは、上
記燃料の不透過性が充分でないため、これら樹脂を多層
にあるいはサンドインチ構造にしたものがある。また、
特公昭５３−１５８６２号公報に開示されるにうに、燃
料タンク等、不透過性が要求される熱可塑性樹脂製の容
器の内面に弗素処理を施したり、８０３等のガス処理を
施すことによって上記不透過竹を改善づるようにしたも
のが提案されている。As for the above-mentioned conventional plastic fuel tanks, those simply made of thermoplastic resin such as polyethylene do not have sufficient impermeability to the fuel, so there are some that have a multilayer or sandwich structure made of these resins. Also,
As disclosed in Japanese Patent Publication No. 53-15862, the above can be achieved by applying fluorine treatment to the inner surface of a thermoplastic resin container such as a fuel tank that requires impermeability, or by performing gas treatment such as 803. An improved version of opaque bamboo has been proposed.
（発明が解決しようとする問題点）
しかしながら、上記従来のらのは、製造Ｔ程数の増加を
招くという欠点があり、結果として生産コストが高くつ
くことになる。しかも、上記公報のものでは、有毒な弗
素を使用することから、イの安全対策上、弗素処理のた
めの装＠設備が大がかりとなるという欠点がある。(Problems to be Solved by the Invention) However, the above-mentioned conventional lathe has the drawback of increasing the number of T times to be manufactured, resulting in high production costs. Furthermore, since the method disclosed in the above publication uses toxic fluorine, it has the disadvantage of requiring large-scale equipment for fluorine treatment in terms of safety measures.
本発明はかかる点に鑑みてなされたものであり、上述の
如き不透過竹の要求されるプラスチック製容器の基材と
して用いられる熱可塑性樹脂に適切な添加物を添加する
だけで、不透過性を簡便に向上させることを目的とする
。The present invention has been made in view of this point, and it is possible to make impermeable bamboo by simply adding appropriate additives to the thermoplastic resin used as the base material for plastic containers that require impermeable bamboo. The purpose is to easily improve the
（問題点を解決するための手段）
上記の目的を達成するため、本発明では、包接作用を有
するシクロデキストリンを添加剤として使用することに
ある。(Means for Solving the Problems) In order to achieve the above object, the present invention uses a cyclodextrin having an inclusion effect as an additive.
具体的に、本発明の講じた解決手段は、プラスチック製
容器を、シクロデキストリンを適宜量添加した熱可塑性
樹脂で形成したものである。Specifically, the solution taken by the present invention is to form a plastic container from a thermoplastic resin to which an appropriate amount of cyclodextrin is added.
（作用）
上記の構成により、本発明では、熱可塑性樹脂に添加さ
れたシクロデキストリンが、熱可塑性樹脂の分子間に介
在してその閉塞作用により流体に対する不透過性が向上
する。さらに、貯溜される流体が透過しようとする際、
この流体の組成物、例えばガソリンの場合には芳香族炭
化水素がシクロデキストリンにゲス１ル化合物として包
接されて捕捉されてしまい、外部へ流体が洩出するのが
抑ル１１され、不透過性が一層向上するものと推量され
る。(Function) With the above configuration, in the present invention, the cyclodextrin added to the thermoplastic resin is interposed between the molecules of the thermoplastic resin, and its blocking effect improves the impermeability to fluids. Furthermore, when the stored fluid tries to permeate,
In the case of the composition of this fluid, for example gasoline, aromatic hydrocarbons are included and captured in cyclodextrin as a gel compound, and leakage of the fluid to the outside is suppressed, making it impermeable. It is assumed that the performance will further improve.
（実施例） 以下、本発明の実施例について説明する。(Example) Examples of the present invention will be described below.
本発明の適用されるプラスチック製容器としては、貯溜
される流体に対して高い不透過性が要求されるもので、
例えば車両用の燃料タンク、その他各種エンジン用の燃
料タンク、あるいは燃料等の揮発性流体や有害性流体の
貯溜用容器等がある。The plastic container to which the present invention is applied is required to have high impermeability to the fluid to be stored.
Examples include fuel tanks for vehicles, fuel tanks for various other engines, and containers for storing volatile fluids such as fuel and hazardous fluids.
上記プラスチック製容器の基材としての熱可塑性樹脂は
、その軟化点において射出成形や吹込成形が可能なもの
ぐ、ポリエチレン、ポリスチレン、ポリプロピレン、ポ
リアクリルニトリル、ポリ塩化ビニルなどのポリマおよ
びコポリマ等が用いられる。尚、この熱可塑性樹脂には
、顔料、充填剤、艶消剤、可塑剤、難燃化剤、帯電防止
剤、その他物性を改質するための物質を含んでいてもよ
い。The thermoplastic resin used as the base material for the plastic container mentioned above is made of polymers and copolymers such as polyethylene, polystyrene, polypropylene, polyacrylonitrile, polyvinyl chloride, etc., which can be injection molded or blow molded at their softening point. It will be done. The thermoplastic resin may contain pigments, fillers, matting agents, plasticizers, flame retardants, antistatic agents, and other substances for modifying physical properties.
そして、上記熱可塑性樹脂にはシクロデキストリン（以
下、ＣＤという）が適宜量添加されている。このシクロ
デキストリン（ＣＤ）はグルコース残基がα−１，４−
グリコシド結合で環状に結合したデキストリンであって
、工業的に生産されているものとして、６．７．８価の
グルコース残基からなるα−ＣＤ、β−ＣＤ、γ−ＣＤ
がよく知られている。このＣＤはバチルスマセランスア
ミラ−Ｑ （［３ａｃｉｌｌｕｓ ｍａｃｅｒａｎｓ
ａｍｙｌａｓｅ ）や好アルｈり性徴生物を適当な
培地で好気的に培養して得られるＣＤ生成酵素（ザイク
ロデキストリングリ：］ジルトランスフェラーゼ）を糊
化又は液化澱粉に作用させることによって得られる。こ
のＣＤの添加量は、熱可塑性樹脂に対して２０重量％を
超えると熱可塑性樹脂の物性に悪影響を与えるので、２
０重間％以下に設定され、好ましくは数重量％に設定さ
れ、その程度で充分に流体の不透過性に著効を発揮する
。An appropriate amount of cyclodextrin (hereinafter referred to as CD) is added to the thermoplastic resin. This cyclodextrin (CD) has glucose residues α-1,4-
Dextrins that are cyclically bonded by glycosidic bonds and are industrially produced include α-CD, β-CD, and γ-CD consisting of 6.7.8-valent glucose residues.
is well known. This CD contains Bacillus macerans amyla-Q ([3acillus macerans
It can be obtained by allowing CD-generating enzyme (zylodextrin glycoltransferase) obtained by aerobically cultivating zylodextrin (amylase) or althyrophilic organisms in an appropriate medium to act on gelatinized or liquefied starch. If the amount of CD added exceeds 20% by weight based on the thermoplastic resin, it will adversely affect the physical properties of the thermoplastic resin.
The content is set to 0% by weight or less, preferably several % by weight, and this level is sufficient to exhibit a remarkable effect on fluid impermeability.
上記の如くＣＤが添加された熱可塑性樹脂を用いて、射
出成形法、吹込成形法等によって中空成形品としての容
器が成形される。この成形品において、上記ＣＤは熱可
塑性樹脂の分子間に介在して閉塞する作用をするととも
に、貯溜した流体が透過しようとする際、該流体の組成
物、例えば芳香族炭化水素等をＣＤの環状空洞内に包み
込む。Using the thermoplastic resin to which CD has been added as described above, a container as a blow molded product is molded by injection molding, blow molding, or the like. In this molded product, the CD acts to block the molecules of the thermoplastic resin by intervening between them, and when the stored fluid attempts to permeate, the composition of the fluid, such as aromatic hydrocarbons, is transferred to the CD. Enclose inside the annular cavity.
−５一 つまりＣＤの包接作用により流体の組成物を捕捉する。-51 In other words, the composition of the fluid is captured by the inclusion action of the CD.
その結采、流体に対する不透過性を茗しく高めることが
できる。また、このＣＤはその他の添加剤、例えば帯電
防止剤等をその包接作用により包み込んで、その効果（
帯電防止効果等）を長期間に亘って維持することにより
、熱可塑性樹脂の物理的、化学的性質の向上をも図るこ
とができる。Its binding and impermeability to fluids can be greatly enhanced. In addition, this CD envelops other additives, such as antistatic agents, through its clathrate action, resulting in their effects (
By maintaining the antistatic effect, etc. over a long period of time, it is possible to improve the physical and chemical properties of the thermoplastic resin.
また、熱可塑性樹脂にＣＤを添加して成形するだけでよ
く、従来の如きガス処理等を要さないので、工程数の増
加を招（ことなく簡便に製造することができ、コスト的
にも右利である。また、このＣＤの添加は他の組成物の
悪影響を与えることがないので、機械的特性の劣化等が
なく、耐久性。In addition, it is only necessary to add CD to thermoplastic resin and mold it, and there is no need for conventional gas treatment, etc., so it can be manufactured easily without increasing the number of steps, and it is also cost-effective. In addition, since the addition of CD does not have any adverse effects on other compositions, there is no deterioration of mechanical properties and durability.
耐衝撃性等の点で問題はない。There are no problems in terms of impact resistance, etc.
今、具体的に、ポリエチレンにＣＤを５重量％添加した
材料を用いて車両用の燃料タンクを成形し、該燃料タン
クにガソリンを貯溜して、［通達自ｔ！４５Ｂ弓 昭和
４７−６−２４Ｊに規定されたテストをしたところ、燃
料タンクからのブロー ６ ＝
−バイガスとしてのＨＣの排出１ｆｌが１ｇ以下に抑え
ることができ、ガソリンの不透過性に優れ、ト記基準を
十分にクリアして実用に供することができることが判明
した。Now, concretely, a fuel tank for a vehicle is formed using a material made of polyethylene with 5% by weight of CD added, and gasoline is stored in the fuel tank. 45B bow When tested in accordance with 1976-6-24J, it was found that 1 fl of HC discharged from the fuel tank as blow 6 = -bygas could be suppressed to 1 g or less, had excellent gasoline impermeability, and had excellent gasoline impermeability. It has been found that the above standards can be satisfactorily met and it can be put to practical use.
（発明の効果）
以上の如く、本発明のプラスデックｌ！Ｉ容器によれば
、その基材の熱可塑性樹脂にシクロデキストリンを添加
するだけの簡易な処理でもって流体の不透過性を著しく
向上させることができるので、従来の如きガス処理等を
要さずに簡便に不透過性の改善を図ることができ、特に
車両用燃料タンクどして好適なプラスナック製容器の提
供を実現することができるものである。(Effects of the Invention) As described above, the plus deck l of the present invention! According to the I container, the fluid impermeability can be significantly improved by simply adding cyclodextrin to the thermoplastic resin of the base material, so there is no need for conventional gas treatment etc. This makes it possible to easily improve the impermeability of plastic containers, and to provide a container made of plastic snacks that is particularly suitable for vehicle fuel tanks.
Claims (1)
脂によつて形成されてなることを特徴とするプラスチッ
ク製容器。(1) A plastic container characterized by being made of a thermoplastic resin to which an appropriate amount of cyclodextrin is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16842686A JPH0735168B2 (en) | 1986-07-17 | 1986-07-17 | Plastic container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16842686A JPH0735168B2 (en) | 1986-07-17 | 1986-07-17 | Plastic container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6333252A true JPS6333252A (en) | 1988-02-12 |
| JPH0735168B2 JPH0735168B2 (en) | 1995-04-19 |
Family
ID=15867903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16842686A Expired - Lifetime JPH0735168B2 (en) | 1986-07-17 | 1986-07-17 | Plastic container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735168B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997030123A1 (en) * | 1996-02-20 | 1997-08-21 | Cellresin Technologies, Llc | Thermoplastic fuel tank having reduced fuel vapor emissions |
| US8092884B2 (en) | 2009-07-02 | 2012-01-10 | Basf Se | Single layer fuel tank |
-
1986
- 1986-07-17 JP JP16842686A patent/JPH0735168B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997030123A1 (en) * | 1996-02-20 | 1997-08-21 | Cellresin Technologies, Llc | Thermoplastic fuel tank having reduced fuel vapor emissions |
| CN1326942C (en) * | 1996-02-20 | 2007-07-18 | 瑟尔里辛技术公司 | Thermoplastic fuel tank having reduced fuel vapor emissions |
| US8092884B2 (en) | 2009-07-02 | 2012-01-10 | Basf Se | Single layer fuel tank |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735168B2 (en) | 1995-04-19 |
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