JP6006087B2 - 熱硬化性接着剤、熱硬化性接着剤を用いた自動車用部材およびその製造方法 - Google Patents
熱硬化性接着剤、熱硬化性接着剤を用いた自動車用部材およびその製造方法 Download PDFInfo
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- JP6006087B2 JP6006087B2 JP2012243718A JP2012243718A JP6006087B2 JP 6006087 B2 JP6006087 B2 JP 6006087B2 JP 2012243718 A JP2012243718 A JP 2012243718A JP 2012243718 A JP2012243718 A JP 2012243718A JP 6006087 B2 JP6006087 B2 JP 6006087B2
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- thermosetting adhesive
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- fine particles
- thermally expandable
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B32—LAYERED PRODUCTS
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B32B7/027—Thermal properties
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K7/22—Expanded, porous or hollow particles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B2037/1253—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives curable adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2255/00—Coating on the layer surface
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Description
本開示の熱硬化性接着剤の性能を以下の方法に従って評価した。
ボルト/ナット止めのための2つの穴を間隔100mmで有するアルミニウム(Al)試験パネル(A6061P−T6、日本軽金属株式会社製、厚さ1.0mm×幅25mm×長さ150mm)、および同様の2つの穴を有するガルバニール鋼(GA)試験パネル(JFEスチール株式会社製、厚さ0.8mm×幅25mm×長さ150mm)を、メチルエチルケトン(MEK)を用いて拭いた後、Preton(登録商標)R303−PX2に浸漬し、垂直に立てた状態で24時間置いて防錆処理を行う。熱硬化性接着剤をAl試験パネルにスパチュラを用いて塗布して接着層を形成し、次にGA試験パネルを接着層の上に配置して、ボルトとナットを用いてAl試験パネルとGA試験パネルを2箇所で固定する。本実施例では別個のスペーサを接着層に用いなかったため、接着層の厚さは0.1mm(配合したフィラーの最大粒径に対応)であった。
Al試験パネル(A6061P−T6、日本軽金属株式会社製、厚さ1.0mm×幅25mm×長さ150mm)の先端(端から10mm)を、メチルエチルケトン(MEK)を用いて拭いた後、Preton(登録商標)R303−PX2に浸漬し、垂直に立てた状態で24時間置いて防錆処理を行う。熱硬化性接着剤をAl試験パネルにスパチュラを用いて塗布して接着層を形成し、Preton(登録商標)R303−PX2で防錆処理した別のAl試験パネルを重なりが10mmになるように接着層の上に配置して、クリップで挟んで固定する。本実施例では別個のスペーサを接着層に用いなかったため、接着層の厚さは0.1mm(配合したフィラーの最大粒径に対応)であった。上記のとおり作製した試験片を、「高速ベーク」および「低速ベーク」の条件下、オーブン中で加熱する。接着層が硬化した後、Tensilon試験装置を用い、クロスヘッド速度5mm/分、引張モードで試験する。
Al試験パネル(A6061P−T6、日本軽金属株式会社製、厚さ1.0mm×幅25mm×長さ150mm)を、メチルエチルケトン(MEK)を用いて拭いた後、Preton(登録商標)R303−PX2に浸漬し、垂直に立てた状態で24時間置いて防錆処理を行う。熱硬化性接着剤をAl試験パネルにスパチュラを用いて塗布して接着層を形成し、Preton(登録商標)R303−PX2で防錆処理した別のAl試験パネルを接着層の上に配置して、クリップで挟んで固定する。本実施例では別個のスペーサを接着層に用いなかったため、接着層の厚さは0.1mm(配合したフィラーの最大粒径に対応)であった。上記のとおり作製した試験片を、「高速ベーク」および「低速ベーク」の条件下、オーブン中で加熱する。接着層が硬化した後、Tensilon試験装置を用い、剥離速度200mm/分、Tピールモードで試験する。
熱硬化性接着剤の試料をアルミニウムパンの中に約2〜10mg入れ、Perkin Elmer製Pyris 1 Differential Scanning Calorimeterを用いて測定し、発熱開始温度および発熱最大温度を決定した。
[項目1]
エポキシ樹脂、コアシェルゴム、熱膨張性微粒子、および硬化剤を含む熱硬化性接着剤であって、前記熱膨張性微粒子の平均粒径が9〜19μmであり、膨張開始温度が70〜100℃であり、かつ最大膨張温度が110〜135℃である、熱硬化性接着剤。
[項目2]
温度勾配10℃/分で示差走査熱量測定を行ったときに、前記熱硬化性接着剤の発熱開始温度が150℃以下であり、かつ発熱最大温度が155℃以下である、項目1に記載の熱硬化性接着剤。
[項目3]
前記熱膨張性微粒子が0.3質量%以上含まれる、項目1または2のいずれかに記載の熱硬化性接着剤。
[項目4]
第一の板状材および第二の板状材を用意し、
エポキシ樹脂、コアシェルゴム、熱膨張性微粒子、および硬化剤を含む熱硬化性接着剤であって、前記熱膨張性微粒子の平均粒径が9〜19μmであり、膨張開始温度が70〜100℃であり、かつ最大膨張温度が110〜135℃である、熱硬化性接着剤を前記第一の板状材、前記第二の板状材またはそれら両方の表面に適用し、
前記第一の板状材、前記熱硬化性接着剤、および前記第二の板状材をこの順で積層し、
加熱して前記熱硬化性接着剤を硬化させて、前記第一の板状材および前記第二の板状材を硬化した前記熱硬化性接着剤を介して接着することを含み、前記第一の板状材の線膨張係数が前記第二の板状材の線膨張係数と異なる、自動車用部材の製造方法。
[項目5]
第一の板状材と、第二の板状材と、前記第一の板状材と前記第二の板状材の間に配置されて前記第一の板状材と前記第二の板状材を接着する、硬化した項目1〜3のいずれか一項に記載の熱硬化性接着剤とを含み、前記第一の板状材の線膨張係数が前記第二の板状材の線膨張係数と異なる、自動車用部材。
[項目6]
前記第一の板状材がアルミニウムを含む、項目5に記載の自動車用部材。
[項目7]
前記第二の板状材が鉄を含む、項目5または6のいずれかに記載の自動車用部材。
Claims (4)
- エポキシ樹脂、コアシェルゴム、熱膨張性微粒子、および硬化剤を含む熱硬化性接着剤であって、前記熱膨張性微粒子は、平均粒径が9〜19μmであり、膨張開始温度が70〜100℃、かつ最大膨張温度が110〜135℃であり、
温度勾配10℃/分での示差走査熱量測定における発熱開始温度が150℃以下、かつ発熱最大温度が155℃以下である、熱硬化性接着剤。 - 前記熱膨張性微粒子が0.3質量%以上含まれる、請求項1に記載の熱硬化性接着剤。
- 第一の板状材および第二の板状材を用意し、
エポキシ樹脂、コアシェルゴム、熱膨張性微粒子、および硬化剤を含む熱硬化性接着剤であって、前記熱膨張性微粒子は、平均粒径が9〜19μmであり、膨張開始温度が70〜100℃、かつ最大膨張温度が110〜135℃であり、温度勾配10℃/分での示差走査熱量測定における発熱開始温度が150℃以下、かつ発熱最大温度が155℃以下である熱硬化性接着剤を前記第一の板状材、前記第二の板状材またはそれら両方の表面に適用し、
前記第一の板状材、前記熱硬化性接着剤、および前記第二の板状材をこの順で積層し、
加熱して前記熱硬化性接着剤を硬化させて、前記第一の板状材および前記第二の板状材を硬化した前記熱硬化性接着剤を介して接着することを含み、前記第一の板状材の線膨張係数が前記第二の板状材の線膨張係数と異なる、自動車用部材の製造方法。 - 第一の板状材と、第二の板状材と、前記第一の板状材と前記第二の板状材の間に配置されて前記第一の板状材と前記第二の板状材を接着する、硬化した請求項1または2に記載の熱硬化性接着剤とを含み、前記第一の板状材の線膨張係数が前記第二の板状材の線膨張係数と異なる、自動車用部材。
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JP2012243718A JP6006087B2 (ja) | 2012-11-05 | 2012-11-05 | 熱硬化性接着剤、熱硬化性接着剤を用いた自動車用部材およびその製造方法 |
BR112015010088A BR112015010088A2 (pt) | 2012-11-05 | 2012-11-05 | adesivo termofixo, componente automotivo que usa adesivo termofixo e método de fabricação do mesmo |
KR1020157014522A KR20150083100A (ko) | 2012-11-05 | 2013-11-05 | 열경화성 접착제, 열경화성 접착제를 사용하는 자동차 구성요소, 및 그의 제조방법 |
PCT/US2013/068368 WO2014071334A2 (en) | 2012-11-05 | 2013-11-05 | Thermoset adhesive, automotive component using thermoset adhesive, and method of manufacturing same |
US14/439,678 US10316225B2 (en) | 2012-11-05 | 2013-11-05 | Thermoset adhesive, automotive component using thermoset adhesive, and method of manufacturing same |
CN201380057526.7A CN104769062B (zh) | 2012-11-05 | 2013-11-05 | 热固性粘合剂、使用热固性粘合剂的机动车部件及其制造方法 |
EP13792187.0A EP2914676B1 (en) | 2012-11-05 | 2013-11-05 | Thermoset adhesive, automotive component using thermoset adhesive, and method of manufacturing same |
US16/253,376 US11008487B2 (en) | 2012-11-05 | 2019-01-22 | Thermoset adhesive, automotive component using thermoset adhesive, and method of manufacturing same |
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EP3170860B1 (en) * | 2015-11-19 | 2020-07-29 | 3M Innovative Properties Company | Structural adhesive with improved corrosion resistance |
WO2017208838A1 (ja) * | 2016-06-02 | 2017-12-07 | Dic株式会社 | 熱膨張性接着テープ及び物品 |
DE102017001696A1 (de) * | 2017-02-22 | 2018-08-23 | Lohmann Gmbh & Co. Kg | UV-aktivierbares strukturelles Haftklebeband |
GB201712781D0 (en) * | 2017-08-09 | 2017-09-20 | Hexcel Composites Ltd | Adhesive composition |
KR20190021787A (ko) | 2017-08-24 | 2019-03-06 | 주식회사 성우하이텍 | 표면 접합용 연결부재 |
ES2963082T3 (es) * | 2017-12-19 | 2024-03-25 | Sika Tech Ag | Procedimiento para unir estructuralmente sustratos con diferentes coeficientes de expansión térmica lineal |
US11131620B1 (en) * | 2017-12-29 | 2021-09-28 | Swift IP, LLC | Methods of bonding articles using moisture-curing adhesive composition |
US10899109B2 (en) | 2019-03-11 | 2021-01-26 | Honda Motor Co., Ltd. | Multi-material joint and method of making thereof |
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DE102019004057B4 (de) | 2019-06-11 | 2022-02-03 | Lohmann Gmbh & Co. Kg | Komprimierbarer, haftklebriger, struktureller Klebefilm auf Basis einer latent reaktiven Zusammensetzung |
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JP2001064481A (ja) | 1999-08-24 | 2001-03-13 | Kansai Putty Kako Kk | 可撓性エポキシパテ組成物 |
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JP5412952B2 (ja) * | 2009-05-20 | 2014-02-12 | 横浜ゴム株式会社 | エポキシ樹脂組成物 |
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WO2014071334A3 (en) | 2014-08-07 |
US10316225B2 (en) | 2019-06-11 |
US20190153275A1 (en) | 2019-05-23 |
BR112015010088A2 (pt) | 2017-07-11 |
KR20150083100A (ko) | 2015-07-16 |
WO2014071334A2 (en) | 2014-05-08 |
EP2914676A2 (en) | 2015-09-09 |
EP2914676B1 (en) | 2020-10-14 |
US20150284607A1 (en) | 2015-10-08 |
US11008487B2 (en) | 2021-05-18 |
CN104769062B (zh) | 2017-03-01 |
CN104769062A (zh) | 2015-07-08 |
JP2014091789A (ja) | 2014-05-19 |
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