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JPH06190973A - Bonded composite based on high density polyethylene - Google Patents

Bonded composite based on high density polyethylene

Info

Publication number
JPH06190973A
JPH06190973A JP34626292A JP34626292A JPH06190973A JP H06190973 A JPH06190973 A JP H06190973A JP 34626292 A JP34626292 A JP 34626292A JP 34626292 A JP34626292 A JP 34626292A JP H06190973 A JPH06190973 A JP H06190973A
Authority
JP
Japan
Prior art keywords
density polyethylene
high density
rubber composition
butadiene copolymer
modified nitrile
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
Application number
JP34626292A
Other languages
Japanese (ja)
Other versions
JP3163463B2 (en
Inventor
Hiroshi Hirakawa
弘 平川
Takeshi Kawaguchi
剛 川口
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.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber 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 Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP34626292A priority Critical patent/JP3163463B2/en
Publication of JPH06190973A publication Critical patent/JPH06190973A/en
Application granted granted Critical
Publication of JP3163463B2 publication Critical patent/JP3163463B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE:To provide a bonded composite with other material made possible to impart impact durability to high density polyethylene. CONSTITUTION:A hydrogenerated acrylonitrile/butadiene copolymer rubber compsn. compounded with methacrylic acid and zinc oxide or zinc methacrylate and org. peroxide is integrally bonded to high density polyethylene or acrylonitrile/butadiene copolymer rubber is integrally bonded to high density polyethylene through a modified nitrile rubber compsn.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、高密度ポリエチレンを
基材とする接着複合体に関する。
This invention relates to adhesive composites based on high density polyethylene.

【0002】[0002]

【従来の技術】高密度ポリエチレンは、安価で優れた機
械的強度、耐溶剤性を有すると共に、成形が容易である
ため、汎用プラスチックスとして広く使用されている。
しかし、衝撃耐久性に劣るため、たとえば、石油炭化水
素系溶剤等の保管用タンク等への使用が制約されるとい
う問題があった。このため、もし高密度ポリエチレンに
衝撃耐久性を付与するような材料を接着して複合体にす
ることができれば、その用途を著しく拡大することが可
能である。しかしながら、高密度ポリエチレンは、他材
料との接着性に欠けるため、このような接着複合体を得
ることができなかった。
2. Description of the Related Art High-density polyethylene is widely used as a general-purpose plastic because it is inexpensive, has excellent mechanical strength and solvent resistance, and is easy to mold.
However, since it is poor in impact durability, there is a problem in that its use in storage tanks of petroleum hydrocarbon solvents is restricted. Therefore, if a material that imparts impact resistance to high-density polyethylene can be adhered to form a composite, its application can be significantly expanded. However, since high-density polyethylene lacks adhesiveness with other materials, such an adhesive composite could not be obtained.

【0003】[0003]

【発明が解決しようとする課題】本発明の目的は、高密
度ポリエチレンに衝撃耐久性の付与を可能にした他材料
との接着複合体を提供することにある。
SUMMARY OF THE INVENTION It is an object of the present invention to provide an adhesive composite with high density polyethylene capable of imparting impact resistance to another material.

【0004】[0004]

【課題を解決するための手段】このような目的を達成す
る本発明は、高密度ポリエチレンに対し、メタクリル酸
と酸化亜鉛又はメタクリル酸亜鉛及び有機過酸化物を配
合した水素添加アクリロニトリル−ブタジエン共重合体
ゴム組成物(以下、変性ニトリル系ゴム組成物と称す
る)を接着一体化した接着複合体を特徴とするものであ
る。他の本発明は、同じく高密度ポリエチレンに前記変
性ニトリル系ゴム組成物を介してアクリロニトリル−ブ
タジエン共重合体ゴム(以下、NBRゴムと称する)を
接着一体化した接着複合体を特徴とするものである。
SUMMARY OF THE INVENTION The present invention to achieve such an object is to provide a high-density polyethylene with hydrogenated acrylonitrile-butadiene copolymerization of methacrylic acid and zinc oxide or zinc methacrylate and an organic peroxide. It is characterized by an adhesive composite in which a united rubber composition (hereinafter referred to as a modified nitrile rubber composition) is integrally bonded. Another aspect of the present invention is also characterized by an adhesive composite in which a high-density polyethylene and an acrylonitrile-butadiene copolymer rubber (hereinafter, referred to as NBR rubber) are adhesively integrated with the modified nitrile rubber composition. is there.

【0005】このように変性ニトリル系ゴム組成物は、
高密度ポリエチレンに対して優れた接着性を有すると共
に、それ自体が高強度、高剛性であるため高密度ポリエ
チレンに衝撃耐久性を付与する。また、変性ニトリル系
ゴム組成物は、NBRゴムに対しても優れた接着性を有
するため、この変性ニトリル系ゴム組成物の反対側にN
BRゴムを接着一体化することにより、高密度ポリエチ
レンに付与した衝撃耐久性をさらに向上することができ
る。
Thus, the modified nitrile rubber composition is
It has excellent adhesion to high-density polyethylene and imparts impact resistance to high-density polyethylene due to its high strength and rigidity. Further, since the modified nitrile rubber composition has excellent adhesiveness to NBR rubber as well, N on the opposite side of the modified nitrile rubber composition
By integrally bonding the BR rubber, the impact durability imparted to the high-density polyethylene can be further improved.

【0006】本発明に使用する高密度ポリエチレンとし
ては、JIS K−6760に規定されている方法に準
じて測定した比重が0.945以上のポリエチレンや少
なくとも100万の分子量を有する超高分子量ポリエチ
レン等が挙げられる。変性ニトリル系ゴム組成物として
は、エチレン性不飽和ニトリル単位を10〜60重量部
含有し、共役ジエン単位を30重量部以下含有する水素
添加アクリロニトリル−ブタジエン共重合体100重量
部に対し、メタクリル酸20〜60重量部、酸化亜鉛
(亜鉛華)10〜60重量部(又は対応する量のメタク
リル酸亜鉛)及び有機過酸化物を0.5〜20重量部配
合したものが挙げられる。
Examples of the high-density polyethylene used in the present invention include polyethylene having a specific gravity of 0.945 or more measured according to the method defined in JIS K-6760, and ultra-high molecular weight polyethylene having a molecular weight of at least 1,000,000. Is mentioned. The modified nitrile rubber composition includes 10 to 60 parts by weight of an ethylenically unsaturated nitrile unit and 100 parts by weight of a hydrogenated acrylonitrile-butadiene copolymer containing 30 parts by weight or less of a conjugated diene unit, and methacrylic acid. 20 to 60 parts by weight, 10 to 60 parts by weight of zinc oxide (white zinc) (or a corresponding amount of zinc methacrylate) and 0.5 to 20 parts by weight of an organic peroxide may be included.

【0007】また、NBRゴムとしては、公知のものを
使用することができる。これら高密度ポリエチレン及び
変性ニトリル系ゴム組成物或いはNBRゴムには、必要
によりガラス繊維、炭素繊維、炭化ケイ素繊維、ボロン
繊維等の無機繊維、ナイロン、ポリエステル、アラミド
等の有機繊維等を補強材として配合してもよい。
As the NBR rubber, known ones can be used. These high-density polyethylene and modified nitrile rubber composition or NBR rubber may optionally contain glass fiber, carbon fiber, silicon carbide fiber, inorganic fiber such as boron fiber, or organic fiber such as nylon, polyester or aramid as a reinforcing material. You may mix.

【0008】上述の高密度ポリエチレンと変性ニトリル
系ゴム組成物との接着複合体は、高密度ポリエチレンと
未加硫の変性ニトリル系ゴム組成物とを、それぞれシー
ト状又は板状などの任意の成形体にプレフォームした
後、互いに重ね合わせて加硫接着させることにより製造
することができる。加硫接着条件としては、150〜2
00℃、10〜60分間とすることが望ましい。
The above-mentioned adhesive composite of the high-density polyethylene and the modified nitrile rubber composition is obtained by molding the high-density polyethylene and the unvulcanized modified nitrile rubber composition into a sheet shape or a plate shape, respectively. It can be manufactured by preforming on the body and then vulcanizing and adhering them on top of each other. The vulcanization adhesion condition is 150 to 2
It is desirable to set the temperature to 00 ° C. for 10 to 60 minutes.

【0009】また、NBRゴムを接着させる場合は、上
記高密度ポリエチレンとNBRゴムとの間に未加硫の変
性ニトリル系ゴム組成物を介挿して重ね合わせた後加熱
し、加硫接着させる。NBRゴムが未加硫のときは、1
50〜200℃、10〜60分間の条件で加硫接着させ
るのがよい。また、加硫済みのときも未加硫のときと同
様の条件にすることが望ましい。
When NBR rubber is to be adhered, an unvulcanized modified nitrile rubber composition is interposed between the high-density polyethylene and the NBR rubber, and they are superposed and then heated and adhered by vulcanization. 1 if the NBR rubber is unvulcanized
It is preferable to vulcanize and adhere under conditions of 50 to 200 ° C. and 10 to 60 minutes. Further, it is desirable to set the same conditions when vulcanized as before and when not vulcanized.

【0010】[0010]

【実施例】【Example】

実施例1 高密度ポリエチレンシートとして、市販の比重0.94
5の高密度ポリエチレンフィルム(日本石油化学社製E
903(F))(150mm×30mm×1.0mm)
を熱プレス法により作製した。
Example 1 As a high-density polyethylene sheet, a commercially available specific gravity of 0.94
High density polyethylene film of 5 (E manufactured by Nippon Petrochemical Co., Ltd.
903 (F)) (150 mm x 30 mm x 1.0 mm)
Was prepared by the hot pressing method.

【0011】また、未加硫の変性ニトリル系ゴム組成物
からなるシートとして、水素添加アクリロニトリル−ブ
タジエン共重合体ゴムとメタクリル酸と酸化亜鉛とから
なる組成物(日本ゼオン社製ZSC−2295)85重
量%に、水素添加アクリロニトリル−ブタジエン共重合
体ゴム(日本ゼオン社製ZETPOL2020)15重
量%をロールで添加し、その混合物100重量部に老化
防止剤(“ナウガード445”)1.5重量部、1,3
−ビスターシャリーブチルパーオキシ−イソプロピルベ
ンゼン(化薬アクゾ社製有機過酸化物“パーカドックス
14/40“)5重量部を、それぞれロールで添加配合
してゴム組成物を調製し、このゴム組成物を150mm
×50mm×2.5mmのゴムシートに成形した。
Further, as a sheet made of an unvulcanized modified nitrile rubber composition, a composition made of hydrogenated acrylonitrile-butadiene copolymer rubber, methacrylic acid and zinc oxide (ZSC-2295 manufactured by Zeon Corporation) 85 15% by weight of a hydrogenated acrylonitrile-butadiene copolymer rubber (ZETPOL2020 manufactured by Nippon Zeon Co., Ltd.) was added to the mixture by weight, and 100 parts by weight of the mixture was added with 1.5 parts by weight of an antioxidant (“Nowguard 445”). 1,3
-Bisterish butyl peroxy-isopropyl benzene (organic peroxide "Perkadox 14/40" manufactured by Kayaku Akzo Co., Ltd.) (5 parts by weight) was added and blended with a roll to prepare a rubber composition. 150 mm
It was molded into a rubber sheet of 50 mm x 2.5 mm.

【0012】これら高密度ポリエチレンシートと未加硫
の変性ニトリル系ゴム組成物からなるゴムシートとを重
ね合わせて20kgf/cm2 の加圧下、170℃で2
0分間加熱し、前記ゴムシートを高密度ポリエチレンシ
ートに加硫接着させ、本発明の接着複合体1を製作し
た。この接着複合体1の接着性を下記方法により評価し
たところ、接着性良好(○)であった。
[0012] These high-density polyethylene sheet and unvulcanized modified nitrile by superposing a rubber sheet made of a rubber composition under a pressure of 20kgf / cm 2, 2 at 170 ° C.
After heating for 0 minutes, the rubber sheet was vulcanized and adhered to the high-density polyethylene sheet to manufacture the adhesive composite 1 of the present invention. When the adhesiveness of this adhesive composite 1 was evaluated by the following method, the adhesiveness was good (◯).

【0013】接着性の評価方法:樹脂−ゴム接着複合体
の接着性は、接着力の大きさで評価するのは正確ではな
い。そこで、幅20mmのサンプルを作製して剥離テス
トを行い、界面剥離が起こった場合にはたとえ接着力が
高くても不良 (×) と評価した。他方、界面剥離を起さ
なかった時は、前記サンプルの接着界面を中心にして約
0. 5mmの厚さのシートをカミソリにて切り出し、そ
の接着界面付近にカミソリで傷を入れて剥離テストを行
い、前記シートのゴム層部分が凝集破壊を起こすほどに
強固に接着している場合を接着性良好 (○) と評価し
た。
Method of evaluating adhesiveness : The adhesiveness of a resin-rubber adhesive composite is not accurately evaluated by the magnitude of the adhesive force. Therefore, a sample having a width of 20 mm was prepared and a peeling test was conducted, and when interfacial peeling occurred, it was evaluated as defective (x) even if the adhesive strength was high. On the other hand, when interfacial peeling did not occur, a sheet with a thickness of about 0.5 mm was cut out with a razor centering on the adhesive interface of the sample, and a peeling test was performed by making a scratch with a razor near the adhesive interface. The adhesion was evaluated as good (◯) when the rubber layer portion of the sheet was firmly adhered to cause cohesive failure.

【0014】実施例2 市販のNBRゴム組成物を使用して、150mm×30
mm×2.0mmの大きさの未加硫NBRゴムシートと
加硫NBRゴムシートを作製した。実施例1の高密度ポ
リエチレンシートと、上記未加硫のNBRゴムシートと
の間に、実施例1の未加硫の変性ニトリル系ゴム組成物
からなるゴムシートを介挿して重ね合わせて、20kg
f/cm2 の加圧下、170℃で30分間加熱し、未加
硫の両ゴムシートを同時加硫し、変性ニトリル系ゴム組
成物からなる接着層を介して高密度ポリエチレンシート
とNBRゴムシートとを接着させた本発明接着複合体2
を製作した。
Example 2 Using a commercially available NBR rubber composition, 150 mm × 30
An unvulcanized NBR rubber sheet and a vulcanized NBR rubber sheet having a size of mm × 2.0 mm were prepared. 20 kg of the high-density polyethylene sheet of Example 1 and the unvulcanized NBR rubber sheet were laminated with the rubber sheet of the unvulcanized modified nitrile rubber composition of Example 1 interposed therebetween.
Both of the unvulcanized rubber sheets are simultaneously vulcanized by heating at 170 ° C. for 30 minutes under a pressure of f / cm 2 , and a high-density polyethylene sheet and an NBR rubber sheet are provided through an adhesive layer made of a modified nitrile rubber composition. The adhesive composite 2 of the present invention in which
Was produced.

【0015】また、上記未加硫のNBRゴムシートに代
えて加硫済みNBRゴムシートを使用し、20kgf/
cm2 の加圧下、170℃で30分間加熱した以外は同
様にして、変性ニトリル系ゴムからなる接着層を介して
高密度ポリエチレンシートとNBRゴムシートとを接着
させた本発明接着複合体3を製作した。これら本発明接
着複合体2及び3の接着性を上記方法により評価した結
果、いずれも接着性良好(○)であった。
A vulcanized NBR rubber sheet is used in place of the unvulcanized NBR rubber sheet, and 20 kgf /
The adhesive composite 3 of the present invention in which the high-density polyethylene sheet and the NBR rubber sheet are adhered via the adhesive layer made of the modified nitrile rubber in the same manner except that they are heated at 170 ° C. for 30 minutes under a pressure of cm 2. I made it. As a result of evaluating the adhesiveness of the adhesive composites 2 and 3 of the present invention by the above-mentioned method, all were good adhesiveness (◯).

【0016】[0016]

【発明の効果】本発明によれば、高密度ポリエチレンに
対し、水素添加アクリロニトリル−ブタジエン共重合体
ゴムにメタクリル酸と酸化亜鉛又はメタクリル酸亜鉛及
び有機過酸化物を配合した変性ニトリル系ゴム組成物を
接着したので、この変性ニトリル系ゴム組成物の高強
度、柔軟性の特性が高密度ポリエチレンに付加され、衝
撃耐久性に優れた接着複合体にすることができる。ま
た、も一つの本発明によれば、前記接着複合体の変性ニ
トリル系ゴム組成物の側にアクリロニトリル−ブタジエ
ン共重合体ゴムを接着したので、高密度ポリエチレンの
衝撃耐久性をさらに向上させ、用途をより一層拡大する
ことができる。
According to the present invention, a modified nitrile rubber composition obtained by blending hydrogenated acrylonitrile-butadiene copolymer rubber with methacrylic acid and zinc oxide or zinc methacrylate and an organic peroxide is added to high density polyethylene. Since the modified nitrile rubber composition is bonded to the high density polyethylene, the modified nitrile rubber composition can be made into an adhesive composite having excellent impact durability. According to another aspect of the present invention, since the acrylonitrile-butadiene copolymer rubber is adhered to the modified nitrile rubber composition side of the adhesive composite, the impact durability of the high density polyethylene is further improved, and the application Can be further expanded.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 C08L 9/02 KCV 7211−4J ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location C08L 9/02 KCV 7211-4J

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 高密度ポリエチレンに、メタクリル酸と
酸化亜鉛又はメタクリル酸亜鉛及び有機過酸化物を配合
した水素添加アクリロニトリル−ブタジエン共重合体ゴ
ム組成物を接着一体化した高密度ポリエチレンを基材と
する接着複合体。
1. A high-density polyethylene as a base material, in which a hydrogenated acrylonitrile-butadiene copolymer rubber composition prepared by blending methacrylic acid and zinc oxide or zinc methacrylate and an organic peroxide is bonded and integrated to the high-density polyethylene. Adhesive complex to do.
【請求項2】 高密度ポリエチレンとアクリロニトリル
−ブタジエン共重合体ゴムとを、メタクリル酸と酸化亜
鉛又はメタクリル酸亜鉛及び有機過酸化物を配合した水
素添加アクリロニトリル−ブタジエン共重合体ゴム組成
物を介して接着一体化した高密度ポリエチレンを基材と
する接着複合体。
2. A hydrogenated acrylonitrile-butadiene copolymer rubber composition prepared by blending high-density polyethylene and acrylonitrile-butadiene copolymer rubber with methacrylic acid and zinc oxide or zinc methacrylate and an organic peroxide. An adhesive composite based on high-density polyethylene that is adhesively integrated.
JP34626292A 1992-12-25 1992-12-25 Adhesive composite based on high density polyethylene Expired - Fee Related JP3163463B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34626292A JP3163463B2 (en) 1992-12-25 1992-12-25 Adhesive composite based on high density polyethylene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34626292A JP3163463B2 (en) 1992-12-25 1992-12-25 Adhesive composite based on high density polyethylene

Publications (2)

Publication Number Publication Date
JPH06190973A true JPH06190973A (en) 1994-07-12
JP3163463B2 JP3163463B2 (en) 2001-05-08

Family

ID=18382215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34626292A Expired - Fee Related JP3163463B2 (en) 1992-12-25 1992-12-25 Adhesive composite based on high density polyethylene

Country Status (1)

Country Link
JP (1) JP3163463B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006132325A1 (en) * 2005-06-10 2006-12-14 Nok Corporation Rubber blend composition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006132325A1 (en) * 2005-06-10 2006-12-14 Nok Corporation Rubber blend composition
JPWO2006132325A1 (en) * 2005-06-10 2009-01-08 Nok株式会社 Blend rubber composition
KR100902652B1 (en) * 2005-06-10 2009-06-15 엔오케이 가부시키가이샤 Rubber blend composition
JP4795342B2 (en) * 2005-06-10 2011-10-19 Nok株式会社 Blend rubber composition

Also Published As

Publication number Publication date
JP3163463B2 (en) 2001-05-08

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