JP2736364B2 - High strength adhesive - Google Patents
High strength adhesiveInfo
- Publication number
- JP2736364B2 JP2736364B2 JP2072144A JP7214490A JP2736364B2 JP 2736364 B2 JP2736364 B2 JP 2736364B2 JP 2072144 A JP2072144 A JP 2072144A JP 7214490 A JP7214490 A JP 7214490A JP 2736364 B2 JP2736364 B2 JP 2736364B2
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- strength
- weight
- parts
- powder
- 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、金属、又はプラスチックあるいはそれらを
塗装（例えば、ポリエステル塗装など）した材料などか
らなる各種形状の被着体の接続に用いると初期強度が大
きく、屋外の現場施工用としても十分使用できる接着剤
に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an initial use of the present invention for connection of adherends of various shapes made of metal, plastic, or a material obtained by coating them (eg, polyester coating). The present invention relates to an adhesive having high strength and which can be sufficiently used for outdoor on-site construction.
屋外の現場施工用接着剤として、金属、プラスチック
あるいはそれらを塗装（例えば、ポリエステル塗装な
ど）した材料など各種材料からなる被着体の接続に用い
る接着剤としては、初期強度が大きく、耐久性特に耐水
接着性が優れた市販の接着剤は見当らない。Adhesives used for connecting adherends made of various materials such as metals, plastics, or materials coated with them (for example, polyester coating) as outdoor site construction adhesives have high initial strength and durability. There is no commercially available adhesive with excellent water resistance.
最近、柔軟性タイプの耐久性接着剤が販売されたが、
上記のような各種接着材料すべてに対して、接着強度が
大きく、耐久性の良好な接着剤はない。また、接着強度
や耐久接着性を向上させる方法として、カップリング剤
（例えば、シランカップリング剤）などを添加すること
によって、接着界面結合力を向上させる方法がある。Recently, a flexible type of durable adhesive was sold,
There is no adhesive having high adhesive strength and good durability for all of the above various adhesive materials. Further, as a method for improving the adhesive strength or the durable adhesiveness, there is a method for improving the adhesive interface bonding force by adding a coupling agent (for example, a silane coupling agent) or the like.
しかし、プラスチック材料あるいは塗装した材料表面
などへの接着界面結合力を向上させる効果は少ない。However, the effect of improving the bonding interface bonding force to a plastic material or a painted material surface is small.
本発明の目的は、上記問題点を解決した高強度接着剤
を提供することにある。An object of the present invention is to provide a high-strength adhesive that solves the above problems.
本発明を概説すれば、本発明は高強度接着剤に関する
発明であって、エポキシ系、アクリル系あるいはポリエ
ステル系接着剤あるいはそれらの混合物からなる接着剤
100重量部に対して、最大粒径100μｍ以下、かつモース
硬度５以上で表面の面と面交わりが鋭角で多面体であっ
て、被着体の表面を傷付けることができる硬度をもつ硬
質性粒子粉末５〜150重量部が充てんされていることを
特徴とし、被着体の表面に傷が付くように適用するため
の接着剤に関する。To summarize the present invention, the present invention relates to a high-strength adhesive, and comprises an epoxy-based, acrylic-based or polyester-based adhesive or an adhesive comprising a mixture thereof.
Hard particle powder having a maximum particle size of 100 μm or less, a Mohs hardness of 5 or more, a polyhedron with a sharp intersecting surface with the surface, and a hardness capable of damaging the surface of the adherend with respect to 100 parts by weight. The adhesive is characterized by being filled with 5 to 150 parts by weight, and relates to an adhesive to be applied so as to damage the surface of an adherend.
本発明者らは、従来技術の問題点を解決するため、熱
硬化性２液型接着剤の配合組成を詳細に検討したとこ
ろ、アルミナ粉末などの硬質性粒子粉末を添加した接着
剤組成物を用いて、各種被着体を強く擦り合せ、ネジ回
すことで接合部の強度を大きくできることが見出した。
これは、接着時に強く擦り合せ、ネジ回すことにより、
接合部の表面に傷を付け投錨効果を発現させたためであ
る。この結果、接着界面結合力が向上し、接合部の接着
強度が大幅に向上できる。The present inventors have studied the composition of a thermosetting two-part adhesive in detail in order to solve the problems of the prior art, and found that an adhesive composition to which hard particle powder such as alumina powder was added was used. It has been found that the strength of the joint can be increased by strongly rubbing the various adherends and screwing them.
This is rubbed strongly at the time of adhesion, by screwing,
This is because the surface of the joint was scratched to exert an anchoring effect. As a result, the bonding interface bonding force is improved, and the bonding strength of the joint can be significantly improved.
エポキシ系、アクリル系あるいはポリエステル系接着
剤としては、市販の熱硬化型接着剤を用いることができ
るが、実施例で述べるような、ベースレジン、硬化剤な
どを配合して最適化した接着剤配合物を用いれば、硬質
性粒子粉末添加による接着界面結合力向上効果を更に良
くすることができる。As the epoxy-based, acrylic-based, or polyester-based adhesive, a commercially available thermosetting adhesive can be used. However, as described in the examples, the adhesive compounding is optimized by compounding a base resin, a curing agent, and the like. The use of a material can further improve the effect of improving the bonding interface bonding force by adding the hard particle powder.
硬質性粒子の最大粒径が100μｍを超えると、特に管
同士を接合する際に、大きな抵抗となり、接合作業がや
りにくくなる。また、硬質性粒子のモース硬度が５未満
であると、被着体の材質によっては、その表面を傷つけ
ることができなくなるので、投錨効果が発現されず、従
来の接着剤と同程度な性能しか期待できず、接着強度や
耐久接着性が不十分となる。硬質性粒子粉末の充てん量
が５重量部未満であると、表面を傷つけることが少な
く、投錨効果があまり発現できず、接着強度や耐久接着
性が不十分である。また、硬質性粒子粉末の充てん量が
150重量部を超えると、被着体を接合する際に、大きな
抵抗となり、接合作業がやり難くなったり、被着体表面
への塗布作業が困難となる。When the maximum particle size of the hard particles exceeds 100 μm, particularly when the tubes are joined to each other, the resistance becomes large, and the joining operation becomes difficult. Further, when the Mohs hardness of the hard particles is less than 5, depending on the material of the adherend, the surface cannot be damaged, so that the anchoring effect is not expressed and the performance is only about the same as that of the conventional adhesive. It cannot be expected, and the adhesive strength and the durability adhesiveness become insufficient. When the filling amount of the hard particle powder is less than 5 parts by weight, the surface is scarcely damaged, the anchoring effect cannot be sufficiently exhibited, and the adhesive strength and the durability adhesiveness are insufficient. Also, the filling amount of the hard particle powder is
If the amount exceeds 150 parts by weight, a large resistance is generated when joining the adherends, so that the joining operation becomes difficult or the application work on the surface of the adherend becomes difficult.
本発明で使用する硬質性粒子粉末は、硬くて鋭角をも
つ多角体、例えば金平糖の形状のものがよい。その例と
しては、アルミナ粉末、炭化ケイ素粉末、酸化亜鉛ウイ
スカ粉末及びダイヤモンド粉末が挙げられる。The hard particle powder used in the present invention is preferably a polyhedron having a hard and acute angle, for example, in the shape of confetti. Examples include alumina powder, silicon carbide powder, zinc oxide whisker powder, and diamond powder.
屋外の現場において、金属、プラスチックあるいはそ
れらを塗装（例えば、ポリエステル塗装など）した材料
など各種材料からなる部材を接着する時に、エポキシ
系、アクリル系あるいはポリエステル系接着剤あるいは
それらの混合物からなる接着剤100重量部に対して、最
大粒径100μｍ以下、かつモース硬度５以上の硬質性粒
子粉末５〜150重量部からなる接合用高強度接着剤を用
い、被着体同士を強く擦り合せ、あるいはネジ回すこと
により、接合部の表面に傷を付け投錨効果を発現させ
て、接着界面結合力を向上させ、接合部の接着強度を向
上させることによって、機械的外力による接着部分のは
く離の危険を大幅に少なくすることができる。When bonding members made of various materials such as metals, plastics, or materials coated with them (for example, polyester coating) at an outdoor site, an adhesive made of an epoxy-based, acrylic-based, or polyester-based adhesive or a mixture thereof. Using a high-strength adhesive for bonding consisting of 5-150 parts by weight of hard particle powder having a maximum particle size of 100 μm or less and a Mohs hardness of 5 or more with respect to 100 parts by weight, the adherends are strongly rubbed or screwed together. By turning, the surface of the joint is scratched and the anchoring effect is developed, the bonding interface bonding force is improved, and the bonding strength of the joint is improved, greatly reducing the risk of peeling of the bonded part due to mechanical external force. Can be reduced.
以下、本発明を実施例により、更に具体的に説明する
が本発明はこれら実施例に限定されない。Hereinafter, the present invention will be described more specifically with reference to examples, but the present invention is not limited to these examples.
実施例１ エポキシ系接着剤として、市販の２液タイプ・室温硬
化のエポキシ系接着剤100重量部に対して、最大粒径100
μｍ以下のアルミナ粉末（LSI用アルミナ基板を粉砕し
たもの）を15重量部添加した接着剤組成物を、第２図に
示すような金属製かん合部品のかん合部に塗布した後、
かん合した。かん合時には、3kgfの荷重をかけながら数
回ねじりこんだ。23℃で24時間後、インストロン引張試
験機を用いてかん合部の引抜き強度（接着強度）を測定
したところ、218〜249kgf/cm2であった。Example 1 A maximum particle size of 100 parts by weight of a commercially available two-pack type room temperature-curable epoxy adhesive was used as an epoxy adhesive.
After applying an adhesive composition containing 15 parts by weight of alumina powder having a size of μm or less (pulverized alumina substrate for LSI) to a mating portion of a metal mating part as shown in FIG. 2,
Mated. At the time of mating, it twisted several times while applying a load of 3 kgf. After 24 hours at 23 ° C., when the pull-out strength (adhesion strength) of the mating portion was measured using an Instron tensile tester, it was 218 to 249 kgf / cm 2 .
なお第２図は金属製のかん合部試験片を示す模式図で
ある。材質はSS41の上に溶融亜鉛メッキコートしたもの
である。また、長さの単位はmmである。FIG. 2 is a schematic view showing a test piece of a metal fitting portion. The material is SS41 coated with hot-dip galvanizing. The unit of the length is mm.
実施例２ 上記エポキシ系接着剤にアルミナ粉末を７〜60重量部
添加した樹脂組成物を用いて２枚のポリエステル系塗装
鋼板（縦10cm、横2.5cm、厚さ0.3cm）を貼り合せ（貼り
合せ面積3.1cm2）、23℃24時間硬化させたのち、せん断
接着強度を測定したところ、217〜233kgf/cm2であっ
た。比較的接着し難いといわれているポリエステル系塗
装面に対しても、十分な接着強度が発現した。Example 2 Two polyester-coated steel sheets (length: 10 cm, width: 2.5 cm, thickness: 0.3 cm) were bonded to each other using a resin composition obtained by adding 7 to 60 parts by weight of alumina powder to the epoxy adhesive. the combined area of 3.1 cm 2), after cured 23 ° C. 24 hours, was measured shear bond strength was 217~233kgf / cm 2. Sufficient adhesive strength was exhibited even on polyester-based painted surfaces, which are said to be relatively difficult to adhere.
実施例３ 本エポキシ系接着剤にアルミナ粉末を７〜60重量部添
加した樹脂組成物を用いて２枚の亜鉛メッキ鋼板（縦10
cm、横2.5cm、厚さ0.16cm）を貼り合せ（貼り合せ面積
3.1cm2）、０℃及び23℃で24時間硬化させたのち、せん
断接着強度を測定した。その結果、アルミナ粉末添加量
依存性は、アルミナ粉末を15〜20重量部添加することに
より、せん断接着強度が最大ピーク値を持つことが明ら
かになった。また、０℃（低温）時の接着力発現性はア
ルミナ粉末45重量部以上あるいは７重量部以下に添加す
ると、24時間後のせん断接着強度が10kgf/cm2（必要最
低せん断接着強度）以下になった。Example 3 Two galvanized steel sheets (length 10) were prepared using a resin composition obtained by adding 7 to 60 parts by weight of alumina powder to the epoxy adhesive.
cm, width 2.5cm, thickness 0.16cm)
After curing at 3.1 ° C. for 2 hours at 0 ° C. and 23 ° C., the shear bond strength was measured. As a result, it became clear that the addition of 15 to 20 parts by weight of alumina powder showed that the shear bond strength had the maximum peak value depending on the amount of added alumina powder. When the adhesive strength at 0 ° C. (low temperature) is added to 45 parts by weight or more or 7 parts by weight or less of alumina powder, the shear adhesive strength after 24 hours becomes 10 kgf / cm 2 (required minimum shear adhesive strength) or less. became.
第１図にせん断接着強度のアルミナ粉末添加量依存性
の実験結果をアルミナ粉末添加量（重量部、横軸）とせ
ん断接着強度（kgf/cm2、縦軸）との関係のグラフとし
て示した。FIG. 1 shows the experimental results of the dependency of the shear bond strength on the added amount of alumina powder as a graph of the relationship between the added amount of alumina powder (parts by weight, abscissa) and the shear bond strength (kgf / cm 2 , ordinate). .
これらの結果から考えて、本エポキシ系接着剤のアル
ミナ粉末の最適添加量は、15〜20重量部である。Considering these results, the optimum addition amount of the alumina powder of the epoxy adhesive is 15 to 20 parts by weight.
比較例１ エポキシ系接着剤として、市販の２液タイプ・室温硬
化のエポキシ系接着剤を、第２図に示すような金属製か
ん合部品のかん合部に塗布した後、かん合した。かん合
時には、3kgfの荷重をかけながら数回ねじりこんだ。室
温で24時間後、インストロン引張試験機を用いてかん合
部の引抜き強度（接着強度）を測定したところ、163kgf
/cm2であった。COMPARATIVE EXAMPLE 1 A commercially available two-pack type, room temperature-curable epoxy adhesive was applied to the engagement part of a metal engagement part as shown in FIG. 2 and then engaged. At the time of mating, it twisted several times while applying a load of 3 kgf. After 24 hours at room temperature, the pull-out strength (adhesion strength) of the mating portion was measured using an Instron tensile tester, and the result was 163 kgf
/ cm 2 .
本発明の高強度接着剤を用いて、金属、プラスチック
あるいはそれらを塗装（例えば、ポリエステル塗装な
ど）した材料など各種材料からなる各種形状の被着体を
接合すると、接合部の強度が大幅に向上し、機械的外力
によるはく離や引抜けの危険性が少ない極めて強力な接
合部を形成できる。特に、接着面が塗装されて、接着し
難いあるいは塗装面がはがれ易い被着体同士の接着強度
を向上させる効果は大きい。When using the high-strength adhesive of the present invention to bond adherends of various shapes made of various materials such as metals, plastics, or materials coated with them (for example, polyester coating), the strength of the joints is greatly improved. However, it is possible to form an extremely strong joint having little risk of peeling or pulling out due to a mechanical external force. In particular, the effect of improving the adhesive strength between adherends that are hardly adhered or that the painted surface is easily peeled off when the adhesive surface is painted is great.
第１図は、せん断接着強度のアルミナ粉末添加量依存性
の実験結果を示したグラフ、第２図は、金属製のかん合
部試験片を示す模式図である。FIG. 1 is a graph showing the experimental results of the dependency of the shear bonding strength on the amount of added alumina powder, and FIG. 2 is a schematic diagram showing a test piece of a metal fitting portion.
フロントページの続き (72)発明者 三谷 進 東京都千代田区内幸町１丁目１番６号 日本電信電話株式会社内 (56)参考文献 特開 昭56−4674（ＪＰ，Ａ) 特開 昭59−191785（ＪＰ，Ａ) 特開 昭61−145266（ＪＰ，Ａ) 特開 昭63−275687（ＪＰ，Ａ) 特開 昭63−275643（ＪＰ，Ａ) 特開 昭59−22974（ＪＰ，Ａ)Continuation of the front page (72) Inventor Susumu Mitani 1-6-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (56) References JP-A-56-4674 (JP, A) JP-A-59-191785 (JP, A) JP-A-61-145266 (JP, A) JP-A-63-275687 (JP, A) JP-A-63-275643 (JP, A) JP-A-59-22974 (JP, A)
Claims (1)
テル系接着剤あるいはそれらの混合物からなる接着剤10
0重量部に対して、最大粒径100μｍ以下、かつモース硬
度５以上で表面の面と面交わりが鋭角で多面体であっ
て、被着体の表面を傷付けることができる硬度をもつ硬
質性粒子粉末５〜150重量部が充てんされていることを
特徴とする被着体の表面に傷が付くように適用するため
の高強度接着剤。An adhesive comprising an epoxy-based, acrylic-based or polyester-based adhesive or a mixture thereof.
Hard particle powder having a maximum particle size of 100 μm or less, a Mohs hardness of 5 or more, a polyhedron having a sharp intersection with the surface, and a hardness capable of damaging the surface of the adherend with respect to 0 parts by weight. A high-strength adhesive for applying so as to damage the surface of an adherend, which is filled with 5 to 150 parts by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2072144A JP2736364B2 (en) | 1990-03-23 | 1990-03-23 | High strength adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2072144A JP2736364B2 (en) | 1990-03-23 | 1990-03-23 | High strength adhesive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03273080A JPH03273080A (en) | 1991-12-04 |
| JP2736364B2 true JP2736364B2 (en) | 1998-04-02 |
Family
ID=13480785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2072144A Expired - Fee Related JP2736364B2 (en) | 1990-03-23 | 1990-03-23 | High strength adhesive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2736364B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003022600A1 (en) | 2001-09-07 | 2003-03-20 | General Co., Ltd. | Transfer device |
| JP4079617B2 (en) | 2001-10-01 | 2008-04-23 | ゼネラル株式会社 | Transfer tape, transfer tool, and method for cutting adhesive layer of transfer tape |
| JP6123047B2 (en) * | 2012-02-17 | 2017-05-10 | 埼玉県 | Resin bonding method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS564674A (en) * | 1979-06-26 | 1981-01-19 | Aikoo Kk | Adhesive for speaker |
| JPS5922974A (en) * | 1982-07-29 | 1984-02-06 | Toshiba Corp | Heat-resistant adhesive |
| US4722960A (en) * | 1983-01-18 | 1988-02-02 | Loctite Corporation | Aluminum filled compositions |
| JPS61145266A (en) * | 1984-12-19 | 1986-07-02 | Sumitomo Electric Ind Ltd | Adhesive |
| JPS63275687A (en) * | 1987-05-07 | 1988-11-14 | Mitsubishi Heavy Ind Ltd | Method of bonding fiber-reinforced plastic to metallic material |
| JPS63275643A (en) * | 1987-05-07 | 1988-11-14 | Mitsubishi Heavy Ind Ltd | Bonding of carbon fiber-reinforced plastic to metallic material |
| EP0379773A1 (en) * | 1989-01-27 | 1990-08-01 | Digital Equipment Corporation | Thermally conductive electrically resistive diamond filled epoxy adhesive |
| JPH02263882A (en) * | 1989-04-03 | 1990-10-26 | Matsushita Electric Ind Co Ltd | Adhesive |
-
1990
- 1990-03-23 JP JP2072144A patent/JP2736364B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03273080A (en) | 1991-12-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |