JP6653801B2 - 封止材組成物、封止材及び電子基板 - Google Patents
封止材組成物、封止材及び電子基板 Download PDFInfo
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- JP6653801B2 JP6653801B2 JP2019509573A JP2019509573A JP6653801B2 JP 6653801 B2 JP6653801 B2 JP 6653801B2 JP 2019509573 A JP2019509573 A JP 2019509573A JP 2019509573 A JP2019509573 A JP 2019509573A JP 6653801 B2 JP6653801 B2 JP 6653801B2
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- epoxy
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- diene rubber
- liquid diene
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
-
- H—ELECTRICITY
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Description
さらに、上記封止材の水蒸気透過度は50g/m2・24h以下である。したがって、高湿度環境下においても、封止対象を水分から保護できる。
エポキシ樹脂2:ビスフェノールF型エポキシ樹脂(DIC株式会社「EPICLON EXA−835LV」)
エポキシ樹脂3:エポキシ基を2個以上有し、柔軟骨格を有する液状エポキシ樹脂(DIC株式会社「EXA−4850−150」)
ポリアミン2:エポキシアミンアダクト(味の素ファインテクノ株式会社「アミキュアMY−24」)
液状ジエン系ゴム2:(メタ)アクリロイル基及びエポキシ基に対する反応性基の何れも有しない液状ポリイソプレンゴム(70Pa・s、38℃、分子量28000、官能基なし)
液状ジエン系ゴム3:(メタ)アクリロイル基を有さず酸無水物基を有する液状ポリイソプレンゴム(200Pa・s、38℃、分子量34000、官能基数3=酸無水物基数3)
液状ジエン系ゴム4:(メタ)アクリロイル基を有さずカルボキシル基を有する液状ポリイソプレンゴム(430Pa・s、38℃、分子量30000、官能基数10=カルボキシル基数10)
液状ジエン系ゴム5:メタクリロイル基を有し、エポキシ基に対する反応性基を有しない液状ポリブタジエンゴム(100Pa・s、38℃、分子量4000、官能基数2=メタクリロイル基数2)
W1:試験前の封止材組成物の重量
W2:試験後の封止材組成物の重量
Eb=(L1−L0)/L0×100 ・・・式(2)
TS100=F100/S ・・・式(3)
Fm:最大引張力(N)
S:試験片の初期断面積(mm2)
Eb:切断時伸び(%)
L0:初期の標線間距離(mm)
L1:破断時の標線間距離(mm)
TS100:100%伸び引張応力(MPa)
F100:100%伸び引張力(N)
Claims (13)
- エポキシ基を2個以上有するエポキシ化合物とポリアミンの反応生成物と、エポキシ基に対する反応性基と(メタ)アクリロイル基を有する液状ジエン系ゴムとエポキシ基を2個以上有するエポキシ化合物の反応生成物と、光重合開始剤と、を含み、
前記エポキシ基を2個以上有するエポキシ化合物及び前記ポリアミンの合計100質量部に対して、前記液状ジエン系ゴムの配合量は100〜2000質量部であり、定形性を備える封止材組成物。 - 前記エポキシ基に対する反応性基がカルボキシル基であり、エポキシ基を2個以上有するエポキシ化合物とポリアミンの反応生成物と、(メタ)アクリロイル基とカルボキシル基を有する液状ジエン系ゴムとエポキシ基を2個以上有するエポキシ化合物の反応生成物と、(メタ)アクリロイル基とカルボキシル基を有する液状ジエン系ゴムとポリアミンの反応生成物と、光重合開始剤と、を含み定形性を備える請求項1記載の封止材組成物。
- エポキシ基を2個以上有するエポキシ化合物とエポキシ基に対する反応性基と(メタ)アクリロイル基を有する液状ジエン系ゴムの反応生成物と、光重合開始剤と、を含み、ポリアミンの反応生成物を含まず、
前記エポキシ基を2個以上有するエポキシ化合物100質量部に対して、前記液状ジエン系ゴムの配合量は100〜2600質量部であり、定形性を備える封止材組成物。 - 前記エポキシ基に対する反応性基がカルボキシル基である請求項3記載の封止材組成物。
- (メタ)アクリロイル基を有せずエポキシ基に対する反応性基を有する液状ジエン系ゴムをさらに含む請求項1〜請求項4何れか1項記載の封止材組成物。
- エポキシ基に対する反応性基と(メタ)アクリロイル基を有する液状ジエン系ゴムが、(メタ)アクリロイル基を有しエポキシ基に対する反応性基を有しない第1の液状ジエン系ゴムと、エポキシ基に対する反応性基を有し(メタ)アクリロイル基を有しない第2の液状ジエン系ゴムの混合物である請求項1〜請求項4何れか1項記載の封止材組成物。
- (メタ)アクリロイル基とカルボキシル基を有する液状ジエン系ゴムとポリアミンの反応生成物と、光重合開始剤と、を含み、エポキシ基を2個以上有するエポキシ化合物の反応生成物を含まず、
前記ポリアミン100質量部に対して、前記液状ジエン系ゴムの配合量は100〜2000質量部であり、定形性を備える封止材組成物。 - 請求項1〜請求項7何れか1項記載の封止材組成物の光硬化体である封止材。
- 貯蔵弾性率が0.7〜5.4MPaである請求項8記載の封止材。
- 請求項8又は請求項9記載の封止材で電子素子が封止された電子基板。
- 封止材の厚さT1に対する前記電子素子の高さT2が、T1>T2であるとともに、前記電子素子の凹凸を埋めた封止材表面が略平滑である請求項10記載の電子基板。
- 封止材の厚さT1に対する前記電子素子の高さT2が、T1≦T2であるとともに、前記電子素子の外面に沿って前記封止材が密着している請求項10記載の電子基板。
- 貯蔵弾性率が0.7〜50MPaであるフレキシブル基材を備える請求項10〜請求項12何れか1項記載の電子基板。
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