JP5224366B2 - エポキシ樹脂組成物、プリプレグおよび硬化物 - Google Patents
エポキシ樹脂組成物、プリプレグおよび硬化物 Download PDFInfo
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- JP5224366B2 JP5224366B2 JP2008313927A JP2008313927A JP5224366B2 JP 5224366 B2 JP5224366 B2 JP 5224366B2 JP 2008313927 A JP2008313927 A JP 2008313927A JP 2008313927 A JP2008313927 A JP 2008313927A JP 5224366 B2 JP5224366 B2 JP 5224366B2
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- epoxy resin
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- 239000000463 material Substances 0.000 claims description 8
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 5
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- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims description 4
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- ZZHIDJWUJRKHGX-UHFFFAOYSA-N 1,4-bis(chloromethyl)benzene Chemical compound ClCC1=CC=C(CCl)C=C1 ZZHIDJWUJRKHGX-UHFFFAOYSA-N 0.000 claims description 2
- DAJPMKAQEUGECW-UHFFFAOYSA-N 1,4-bis(methoxymethyl)benzene Chemical compound COCC1=CC=C(COC)C=C1 DAJPMKAQEUGECW-UHFFFAOYSA-N 0.000 claims description 2
- INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical group C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 claims description 2
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- 239000004305 biphenyl Substances 0.000 description 4
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine hydrate Chemical compound O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 4
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- NXPPAOGUKPJVDI-UHFFFAOYSA-N naphthalene-1,2-diol Chemical class C1=CC=CC2=C(O)C(O)=CC=C21 NXPPAOGUKPJVDI-UHFFFAOYSA-N 0.000 description 3
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
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- 238000007789 sealing Methods 0.000 description 3
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- 229920005992 thermoplastic resin Polymers 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical class C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 2
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- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
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- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 2
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- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 1
- UFERIGCCDYCZLN-UHFFFAOYSA-N 3a,4,7,7a-tetrahydro-1h-indene Chemical compound C1C=CCC2CC=CC21 UFERIGCCDYCZLN-UHFFFAOYSA-N 0.000 description 1
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- 229940073735 4-hydroxy acetophenone Drugs 0.000 description 1
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- ULKLGIFJWFIQFF-UHFFFAOYSA-N 5K8XI641G3 Chemical compound CCC1=NC=C(C)N1 ULKLGIFJWFIQFF-UHFFFAOYSA-N 0.000 description 1
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- IXCOKTMGCRJMDR-UHFFFAOYSA-N 9h-fluorene;phenol Chemical compound OC1=CC=CC=C1.OC1=CC=CC=C1.C1=CC=C2CC3=CC=CC=C3C2=C1 IXCOKTMGCRJMDR-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
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- 229920000049 Carbon (fiber) Polymers 0.000 description 1
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- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
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- GPAYUJZHTULNBE-UHFFFAOYSA-N diphenylphosphine Chemical compound C=1C=CC=CC=1PC1=CC=CC=C1 GPAYUJZHTULNBE-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000006735 epoxidation reaction Methods 0.000 description 1
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
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- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 239000004845 glycidylamine epoxy resin Substances 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 229940083094 guanine derivative acting on arteriolar smooth muscle Drugs 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
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- 125000001624 naphthyl group Chemical group 0.000 description 1
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- WWZKQHOCKIZLMA-UHFFFAOYSA-M octanoate Chemical compound CCCCCCCC([O-])=O WWZKQHOCKIZLMA-UHFFFAOYSA-M 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- FCJSHPDYVMKCHI-UHFFFAOYSA-N phenyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OC1=CC=CC=C1 FCJSHPDYVMKCHI-UHFFFAOYSA-N 0.000 description 1
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- ZWLUXSQADUDCSB-UHFFFAOYSA-N phthalaldehyde Chemical class O=CC1=CC=CC=C1C=O ZWLUXSQADUDCSB-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 229960001755 resorcinol Drugs 0.000 description 1
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Landscapes
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
(1)一般式(1)
(2)半導体封止用途に用いられる前項(1)記載のエポキシ樹脂組成物、
(3)エポキシ樹脂、硬化剤及び無機充填材を含むエポキシ樹脂組成物をシート状の繊維基材に保持し半硬化状態としてなるプリプレグに用いられる前項(1)記載のエポキシ樹脂組成物、
(4)前項(1)〜(3)のいずれか1項に記載のエポキシ樹脂組成物を硬化してなる硬化物、
に関する。
本発明のエポキシ樹脂組成物における無機充填材の使用量は、エポキシ樹脂組成物中の樹脂成分100質量部に対して通常2〜1000質量部であるが、熱伝導率を出来るだけ高める為には、本発明のエポキシ樹脂組成物の具体的な用途における取り扱い等に支障を来たさない範囲で、可能な限り無機充填材の使用量を増やすことが好ましい。これら無機充填材は1種のみを使用しても、2種類以上を併用してもよい。
(a)アミン系化合物
ジアミノジフェニルメタン、ジエチレントリアミン、トリエチレンテトラミン、ジアミノジフェニルスルホン、イソホロンジアミン及びナフタレンジアミン等
(b)酸無水物系化合物
無水フタル酸、無水トリメリット酸、無水ピロメリット酸、無水マレイン酸、テトラヒドロ無水フタル酸、メチルテトラヒドロ無水フタル酸、無水メチルナジック酸、ヘキサヒドロ無水フタル酸及びメチルヘキサヒドロ無水フタル酸等
(c)アミド系化合物
ジシアンジアミド、若しくはリノレン酸の2量体とエチレンジアミンより合成されるポリアミド樹脂等、
多価フェノール類(ビスフェノールA、ビスフェノールF、ビスフェノールS、フルオレンビスフェノール、テルペンジフェノール、4,4’−ジヒドロキシビフェニル、2,2’−ジヒドロキシビフェニル、3,3’,5,5’−テトラメチル−(1,1’−ビフェニル)−4,4’−ジオール、ハイドロキノン、レゾルシン、ナフタレンジオール、トリス−(4−ヒドロキシフェニル)メタン及び1,1,2,2−テトラキス(4−ヒドロキシフェニル)エタン等);フェノール類(例えば、フェノール、アルキル置換フェノール、ナフトール、アルキル置換ナフトール、ジヒドロキシベンゼン及びジヒドロキシナフタレン等)と、アルデヒド類(ホルムアルデヒド、アセトアルデヒド、ベンズアルデヒド、p−ヒドロキシベンズアルデヒド、o−ヒドロキシベンズアルデヒド及びフルフラール等)、ケトン類(p−ヒドロキシアセトフェノン及びo−ヒドロキシアセトフェノン等)、若しくはジエン類(ジシクロペンタジエン及びトリシクロペンタジエン等)との縮合により得られるフェノール樹脂;前記フェノール類と、置換ビフェニル類(4,4’−ビス(クロルメチル)−1,1’−ビフェニル及び4,4’−ビス(メトキシメチル)−1,1’−ビフェニル等)、若しくは置換フェニル類(1,4−ビス(クロロメチル)ベンゼン、1,4−ビス(メトキシメチル)ベンゼン及び1,4−ビス(ヒドロキシメチル)ベンゼン等)等との重縮合により得られるフェノール樹脂;前記フェノール類及び/又は前記フェノール樹脂の変性物;テトラブロモビスフェノールA及び臭素化フェノール樹脂等のハロゲン化フェノール類
(e)その他イミダゾール類、BF3−アミン錯体、グアニジン誘導体
これら硬化剤の中ではジアミノジフェニルメタン、ジアミノジフェニルスルホン及びナフタレンジアミンなどのアミン系化合物、並びにカテコールとアルデヒド類、ケトン類、ジエン類、置換ビフェニル類又は置換フェニル類との縮合物などの活性水素基が隣接している構造を有する硬化剤がエポキシ樹脂の配列に寄与するため好ましい。
上記の硬化剤は単独で用いてもよく、2種以上を用いてもよい。
本発明のエポキシ樹脂組成物は従来知られているのと同様の方法で容易にその硬化物とすることが出来る。例えば、一般式(1)で表されるエポキシ樹脂、硬化剤及び熱伝導率が20W/m・K以上の無機充填材、並びに必要により硬化促進剤、配合剤、各種熱硬化性樹脂や各種熱可塑性樹脂等を必要に応じて押出機、ニーダ又はロール等を用いて均一になるまで充分に混合して得られた本発明のエポキシ樹脂組成物を、溶融注型法あるいはトランスファー成型法やインジェクション成型法、圧縮成型法などによって成型し、更にその融点以上で2〜10時間加熱することにより本発明のエポキシ樹脂組成物の硬化物を得ることが出来る。前述の方法でリードフレーム等に搭載された半導体素子を封止することにより、本発明のエポキシ樹脂組成物を半導体封止用途に用いることができる。
上記のようにして得られるワニスをガラス繊維、カーボン繊維、ポリエステル繊維、ポリアミド繊維、アルミナ繊維及び紙などの基材に含浸させた後に加熱によって溶剤を除去すると共に、本発明のエポキシ樹脂組成物を半硬化状態とすることによりプリプレグを得ることが出来る。尚、ここで言う「半硬化状態」とは、反応性の官能基であるエポキシ基が一部未反応で残っている状態を意味する。該プリプレグを熱プレス成型して硬化物を得ることが出来る。
・エポキシ当量
JIS K−7236に記載された方法で測定し、単位はg/eq.である。
・融点(DSC)
測定器械;示差走査熱量計(DSC6200 セイコー電子工業株式会社製)
昇温速度;10℃/min.
パン;Alパン
攪拌機、還流冷却管、撹拌装置を備えたフラスコに、p−ヒドロキシベンズアルデヒド305部、ヒドラジン一水和物(純度80%)81部、エタノール800部、ジメチルスルホキシド500部、酢酸8部を仕込み、攪拌しながら70℃まで昇温して溶解させた。その後、75℃で4時間反応を行い、室温まで冷却した。析出した結晶を濾過、エタノールで洗浄し、得られた結晶を真空乾燥した。その結果、一般式(2)
合成例1で得られた化合物240部にエピクロルヒドリン1110部、ジメチルスルホキシド278部を加えて溶解後、45℃まで昇温し、フレーク状水酸化ナトリウム(純度99%)85部を90分間かけて添加した。その後、45℃で2時間及び70℃で3時間反応を行い、室温まで冷却した。析出した結晶および無機塩を濾過、次いで水洗を繰り返し、無機塩を除去した後、得られた結晶を真空乾燥した。その結果、一般式(3)
攪拌機、還流冷却管、撹拌装置を備えたフラスコに、4−ヒドロキシアセトフェノン136部、ヒドラジン一水和物(純度80%)32部、エタノール100部を仕込み、攪拌しながら70℃まで昇温して溶解させた。その後、70℃で7時間反応を行い、室温まで冷却した。析出した結晶を濾過、エタノールで洗浄し、得られた結晶を真空乾燥した。その結果、一般式(4)
合成例3で得られた化合物268部にエピクロルヒドリン1608部、ジメチルスルホキシド268部を加えて溶解後、45℃まで昇温し、フレーク状水酸化ナトリウム(純度99%)85部を90分間かけて添加した。その後、45℃で2時間及び70℃で3時間反応を行い、室温まで冷却した。析出した結晶および無機塩を濾過、次いで水洗を繰り返し、無機塩を除去した後、得られた結晶を真空乾燥した。その結果、一般式(5)
3℃の2つにおいて吸熱ピークを観察した。
各種成分を表1の割合(部)で配合し、ミキシングロールで混練、タブレット化後、トランスファー成形で樹脂成形体を調製し、160℃で2時間、更に180℃で8時間加熱を行い、本発明のエポキシ樹脂組成物及び比較用樹脂組成物の硬化物を得た。これら硬化物の物性を測定した結果を表1に示す。なお、硬化物の物性は以下の要領で測定した。
・ガラス転移温度(DMA):
真空理工株式会社製 TM−7000により昇温速度 2℃/min.の条件で測定。
・熱伝導率:
ASTM E1530に準拠した方法で測定。
実施例1 実施例2 比較例1
配合物の組成
エポキシ樹脂(E1) 100
エポキシ樹脂(E2) 100
エポキシ樹脂(E3) 100
硬化剤(H1) 24 21 23
無機充填材(F1) 205 206 203
無機充填材(F2) 118 121 117
硬化物の物性
ガラス転移温度(℃) 245 240 223
熱伝導率(W/m・K) 4.0 3.9 3.5
(E1):合成例2で得られたエポキシ樹脂(エポキシ当量169g/eq.)
(E2):合成例4で得られたエポキシ樹脂(エポキシ当量190g/eq.)
(E3):下記式(4)及び(5)で表されるエポキシ樹脂を等モル含有するビフェニル型エポキシ樹脂(商品名:YL−6121H ジャパンエポキシレジン製 エポキシ当量175g/eq.)
(F1):球状アルミナ(商品名:DAW−100 電気化学工業製、熱伝導率38W/m・K)
(F2):窒化ホウ素(商品名:SGP 電気化学工業製、熱伝導率60W/m・K)
ジメチルホルムアミド1000部に合成例2で得られたエポキシ樹脂100部を70℃で溶解させた後、室温に戻した。
ジメチルホルムアミド48部に硬化剤である1,5−ジアミノナフタレン(東京化成製、アミン当量40g/eq.)24部を70℃で溶解させた後、室温に戻した。上記のエポキシ樹脂溶液と硬化剤溶液を、撹拌羽タイプのホモミキサで混合・撹拌して均一なワニスにし、さらに無機充填材として窒化ホウ素(商品名:SGP 電気化学工業製、熱伝導率60W/m・K)237部(樹脂固形分100体積部に対し50体積部)、およびジメチルホルムアミド100部を加えて混合・撹拌し、エポキシ樹脂ワニスを調製した。
このエポキシ樹脂組成物のワニスを、厚さ0.2mmのガラス繊維織布(商品名:7628/AS890AW 旭シュエーベル製)に含浸させ、加熱乾燥してプリプレグを得た。このプリプレグ4枚とその両側に配した銅箔を重ね合わせた後、温度175℃、圧力4MPaの条件で90分間加熱加圧成型して一体化し、厚さ0.8mmの積層板を得た。この積層板の熱伝導率を測定したところ、4.9W/m・Kであった。
Claims (4)
- 一般式(1)
A群:
ジシクロペンタジエン、トリシクロペンタジエン、(4,4’−ビス(クロルメチル)−1,1’−ビフェニル、4,4’−ビス(メトキシメチル)−1,1’−ビフェニル、1,4−ビス(クロロメチル)ベンゼン、1,4−ビス(メトキシメチル)ベンゼン、1,4−ビス(ヒドロキシメチル)ベンゼン - 半導体封止用途に用いられる請求項1に記載のエポキシ樹脂組成物。
- エポキシ樹脂、硬化剤及び無機充填材を含むエポキシ樹脂組成物をシート状の繊維基材に保持し半硬化状態としてなるプリプレグに用いられる請求項1に記載のエポキシ樹脂組成物。
- 請求項1〜3のいずれか1項に記載のエポキシ樹脂組成物を硬化してなる硬化物。
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