JP7607247B2 - 樹脂組成物、プリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板、及び配線板 - Google Patents
樹脂組成物、プリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板、及び配線板 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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Description
本実施形態に係る樹脂組成物は、マレイミド化合物と、不飽和二重結合を分子中に有するポリフェニレンエーテル化合物と、下記式(1)で表される基及びリン原子を含む基を分子中に有するリン含有化合物と、硬化剤とを含有する。
前記マレイミド化合物は、分子中にマレイミド基を有するマレイミド化合物であれば、特に限定されない。前記マレイミド化合物としては、分子中にマレイミド基を1個有する単官能マレイミド化合物、及び分子中にマレイミド基を2個以上有する多官能マレイミド化合物が挙げられる。前記単官能マレイミド化合物としては、例えば、o-クロロフェニルマレイミド等のクロロフェニルマレイミド、o-メチルフェニルマレイミド等のメチルフェニルマレイミド、p-ヒドロキシフェニルマレイミド等のヒドロキシフェニルマレイミド、p-カルボキシフェニルマレイミド等のカルボキシフェニルマレイミド、N-ドデシルマレイミド、及びフェニルメタンマレイミド等が挙げられる。前記多官能マレイミド化合物としては、4,4’-ジフェニルメタンビスマレイミド、ポリフェニルメタンマレイミド、m-フェニレンビスマレイミド等のフェニレンビスマレイミド、ビスフェノールAジフェニルエーテルビスマレイミド、3,3’-ジメチル-5,5’-ジエチル-4,4’-ジフェニルメタンビスマレイミド、4-メチル-1,3-フェニレンビスマレイミド、1,6’-ビスマレイミド-(2,2,4-トリメチル)ヘキサン、4,4’-ジフェニルエーテルビスマレイミド、4,4’-ジフェニルスルフォンビスマレイミド、1,3-ビス(3-マレイミドフェノキシ)ベンゼン、1,3-ビス(4-マレイミドフェノキシ)ベンゼン、及び下記式(3)で表されるマレイミド化合物等が挙げられる。前記マレイミド化合物は、これらの中でも、下記式(3)で表されるマレイミド化合物、及びポリフェニルメタンマレイミドが好ましい。また、前記マレイミド化合物は、単独で用いてもよいし、2種以上を組み合わせて用いてもよい。
前記ポリフェニレンエーテル化合物は、不飽和二重結合を分子中に有するポリフェニレンエーテル化合物であれば、特に限定されない。前記ポリフェニレンエーテル化合物としては、例えば、不飽和二重結合を有する置換基により末端変性された変性ポリフェニレンエーテル化合物等の、不飽和二重結合を有する置換基を分子末端に有するポリフェニレンエーテル化合物等が挙げられる。
前記リン含有化合物は、前記式(1)で表される基及びリン原子を含む基を分子中に有するリン含有化合物であれば、特に限定されない。
前記硬化剤は、前記マレイミド化合物及び前記ポリフェニレンエーテル化合物と反応して、前記マレイミド化合物及び前記ポリフェニレンエーテル化合物を含む樹脂組成物を硬化させることができる硬化剤である。また、前記硬化剤は、前記マレイミド化合物及び前記ポリフェニレンエーテル化合物を含む樹脂組成物を硬化させることができる硬化剤であれば、特に限定されない。前記硬化剤としては、例えば、スチレン、スチレン誘導体、分子中にアクリロイル基を有する化合物、分子中にメタクリロイル基を有する化合物、分子中にビニル基を有する化合物、分子中にアリル基を有する化合物、分子中にアセナフチレン構造を有する化合物、及び分子中にイソシアヌレート基を有するイソシアヌレート化合物等が挙げられる。
前記リン含有化合物の含有量は、前記マレイミド化合物と前記ポリフェニレンエーテル化合物と前記硬化剤との合計100質量部に対して、2~20質量部であることが好ましく、2~15質量部であることがより好ましく、3~12質量部であることがさらに好ましい。前記マレイミド化合物の含有量は、前記マレイミド化合物と前記ポリフェニレンエーテル化合物と前記硬化剤との合計100質量部に対して、10~75質量部であることが好ましく、20~65質量部であることがより好ましく、30~50質量部であることがさらに好ましい。前記ポリフェニレンエーテル化合物の含有量は、前記マレイミド化合物と前記ポリフェニレンエーテル化合物と前記硬化剤との合計100質量部に対して、10~75質量部であることが好ましく、20~60質量部であることがより好ましく、30~50質量部であることがさらに好ましい。前記硬化剤の含有量は、前記マレイミド化合物と前記ポリフェニレンエーテル化合物と前記硬化剤との合計100質量部に対して、10~45質量部であることが好ましく、15~40質量部であることがより好ましく、20~35質量部であることがさらに好ましい。前記リン含有化合物、前記マレイミド化合物、前記ポリフェニレンエーテル化合物、及び前記硬化剤の各含有量が、上記範囲内であれば、ガラス転移温度が高く、吸水性が低く、及び吸水後であっても、吸水による、誘電率及び誘電正接の上昇を充分に抑制し、難燃性により優れた硬化物が好適に得られ、成形性に優れた樹脂組成物が得られる。
本実施形態に係る樹脂組成物は、本発明の効果を損なわない範囲で、必要に応じて、前記リン含有化合物、前記マレイミド化合物、前記ポリフェニレンエーテル化合物、及び前記硬化剤以外の成分(その他の成分)を含有してもよい。本実施形態に係る樹脂組成物に含有されるその他の成分としては、例えば、シランカップリング剤、開始剤、消泡剤、酸化防止剤、熱安定剤、帯電防止剤、紫外線吸収剤、染料や顔料、滑剤、及び充填材等の添加剤をさらに含んでもよい。また、前記樹脂組成物には、前記ポリフェニレンエーテル化合物以外にも、エポキシ樹脂、不飽和ポリエステル樹脂、及び熱硬化性ポリイミド樹脂等の熱硬化性樹脂を含有してもよい。
前記樹脂組成物を製造する方法としては、特に限定されず、例えば、前記リン含有化合物、前記マレイミド化合物、前記ポリフェニレンエーテル化合物、及び前記硬化剤を、所定の含有量となるように混合する方法等が挙げられる。具体的には、有機溶媒を含むワニス状の組成物を得る場合は、後述する方法等が挙げられる。
図1は、本発明の実施形態に係るプリプレグ1の一例を示す概略断面図である。
図2は、本発明の実施形態に係る金属張積層板11の一例を示す概略断面図である。
図3は、本発明の実施形態に係る配線板21の一例を示す概略断面図である。
図4は、本実施の形態に係る樹脂付き金属箔31の一例を示す概略断面図である。
図5は、本実施の形態に係る樹脂付きフィルム41の一例を示す概略断面図である。
本実施例において、樹脂組成物を調製する際に用いる各成分について説明する。
MIR-3000-70MT:前記式(3)で表され、前記式(3)中の、RA、RB、RC、及びRDが、水素原子であるマレイミド化合物(日本化薬株式会社製のMIR-3000-70MT)
BMI2300:ポリフェニルメタンマレイミド(大和化成工業株式会社製のBMI2300)
(ポリフェニレンエーテル化合物:PPE)
PPE-1:末端にビニルベンジル基(エテニルベンジル基)を有するポリフェニレンエーテル化合物(三菱ガス化学株式会社製のOPE-2st 1200、Mn1200、上記式(13)で表され、Zが、フェニレン基であり、R2~R4が水素原子であり、pが1であるポリフェニレンエーテル化合物)
PPE-2:末端にメタクリロイル基を有するポリフェニレンエーテル化合物(ポリフェニレンエーテルの末端水酸基をメタクリロイル基で変性した変性ポリフェニレンエーテル、上記式(15)で表され、式(15)中のYがジメチルメチレン基(式(12)で表され、式(12)中のR34及びR35がメチル基である基)である変性ポリフェニレンエーテル化合物、SABICイノベーティブプラスチックス社製のSA9000、重量平均分子量Mw2000、末端官能基数2個)
(硬化剤:アリル化合物)
TAIC:トリアリルイソシアヌレート(日本化成株式会社製のTAIC)
DABPA:2,2’-ジアリルビスフェノールA(2,2’-ジアリル-4,4’-イソプロピリデンジフェノール、大和化成工業株式会社製のDABPA)
(硬化剤:ジメタクリレート化合物)
DCP:トリシクロデカンジメタノールジメタクリレート(新中村化学株式会社製のNKエステル DCP)
(リン含有化合物及び難燃剤)
MC-4:(メタクリロイルメチル)ジフェニルホスフィンオキサイド(片山化学工業株式会社製のMC-4:リン含有化合物:前記式(18)で表され、前記式(18)中のR1がメチル基である化合物)
OP-935:トリスジエチルホスフィン酸アルミニウム(クラリアントジャパン株式会社製のエクソリットOP-935:前記リン含有化合物以外の難燃剤(ホスフィン酸塩化合物):リン濃度23質量%)
PX-200:芳香族縮合リン酸エステル化合物(大八化学工業株式会社製のPX-200:前記リン含有化合物以外の難燃剤(リン酸エステル化合物):リン濃度9質量%)
(充填材)
SC2500-SXJ:分子中にフェニルアミノ基を有するシランカップリング剤で表面処理されたシリカ粒子(株式会社アドマテックス製のSC2500-SXJ)
まず、充填材以外の各成分を表1に記載の組成(質量部)で、固形分濃度が70質量%となるように、メチルエチルケトン(MEK)に添加し、混合させた。その混合物を60分間攪拌した。その後、得られた液体に充填材を添加し、ビーズミルで充填材を分散させた。そうすることによって、ワニス状の樹脂組成物(ワニス)が得られた。
セイコーインスツルメンツ株式会社製の粘弾性スペクトロメータ「DMS6100」を用いて、プリプレグのTgを測定した。このとき、曲げモジュールで周波数を10Hzとして動的粘弾性測定(DMA)を行い、昇温速度5℃/分の条件で室温から320℃まで昇温した際のtanδが極大を示す温度をTgとした。なお、Tgが320℃より高い場合、表1において、「>320」と示す。
評価基板(金属張積層板)から銅箔を引き剥がし、そのときのピール強度を、JIS C 6481に準拠して測定した。具体的には、評価基板の、最上面にある絶縁層(プリプレグ)を引っ張り試験機により50mm/分の速度で引き剥がし、そのときのピール強度(N/mm)を測定した。
評価基板(プリプレグの硬化物)の吸水率(%)を、IPC-TM-650 2.6.2.1に準拠の方法により測定した。
1GHzにおける評価基板(プリプレグの硬化物)の比誘電率及び誘電正接を、IPC-TM650-2.5.5.9に準拠の方法で測定した。具体的には、インピーダンスアナライザ(アジレント・テクノロジー株式会社製のRFインピーダンスアナライザ HP4291B)を用い、1GHzにおける評価基板の比誘電率及び誘電正接を測定した。この比誘電率及び誘電正接は、評価基板を吸水させる前と吸水させた後との両方を測定した。
中央部に矩形状(30mm×30mm)の穴が形成された、100mm×100mmのプリプレグを用意した。このプリプレグを、離型フィルムとして、トリアセチルセルロース(TAC)フィルムを用いて、プレートで挟み込んだ。すなわち、前記プリプレグを、TACフィルムで挟み込み、さらに、TACフィルムで挟み込んだプリプレグをプレートで挟み込んだ。このプレートで挟み込んだプリプレグを、171±2.6℃に設定した積層成型用プレス機で、圧力1380±70kPaの条件で、15分間、加熱加圧した。その後、室温まで冷却させ、加熱加圧したプリプレグを目視で観察した。
評価基板(プリプレグの硬化物)から、長さ125mm、幅12.5mmのテストピースを切り出した。そして、このテストピースについて、Underwriters Laboratoriesの“Test for Flammability of Plastic Materials-UL 94”に準じて、燃焼試験を行い、燃焼性を評価した。なお、その結果、燃焼性が「V-0」レベルであれば、表1には、「V-0」と示し、「V-1」のレベルであれば、「V-1」と示す。
Claims (11)
- 下記式(3)で表されるマレイミド化合物と、
不飽和二重結合を分子中に有するポリフェニレンエーテル化合物と、
下記式(1)で表される基及びリン原子を含む基を分子中に有するリン含有化合物と、
硬化剤とを含有し、
前記マレイミド化合物の含有量は、前記マレイミド化合物と前記ポリフェニレンエーテル化合物と前記硬化剤との合計100質量部に対して、10~75質量部であり、
前記リン含有化合物の含有量は、前記マレイミド化合物と前記ポリフェニレンエーテル化合物と前記硬化剤との合計100質量部に対して、2~15質量部である樹脂組成物。
[式(1)中、R1は、水素原子又はアルキル基を示す。]
[式(3)中、sは、1~5を示し、RA、RB、RC、及びRDは、それぞれ独立して、水素原子、炭素数1~5のアルキル基、又はフェニル基を示す。] - 前記硬化剤が、アリル化合物を含む請求項1又は請求項2に記載の樹脂組成物。
- 前記アリル化合物が、トリアリルイソシアヌレート化合物及びジアリルビスフェノール化合物の少なくともいずれか一方を含む請求項3に記載の樹脂組成物。
- 前記硬化剤が、多官能アクリレート化合物及び多官能メタクリレート化合物の少なくともいずれか一方をさらに含む請求項3又は請求項4に記載の樹脂組成物。
- 前記多官能メタクリレート化合物が、ジメタクリレート化合物を含む請求項5に記載の樹脂組成物。
- 請求項1~6のいずれか1項に記載の樹脂組成物又は前記樹脂組成物の半硬化物と、繊維質基材とを備えるプリプレグ。
- 請求項1~6のいずれか1項に記載の樹脂組成物又は前記樹脂組成物の半硬化物を含む樹脂層と、支持フィルムとを備える樹脂付きフィルム。
- 請求項1~6のいずれか1項に記載の樹脂組成物又は前記樹脂組成物の半硬化物を含む樹脂層と、金属箔とを備える樹脂付き金属箔。
- 請求項1~6のいずれか1項に記載の樹脂組成物の硬化物又は請求項7に記載のプリプレグの硬化物を含む絶縁層と、金属箔とを備える金属張積層板。
- 請求項1~6のいずれか1項に記載の樹脂組成物の硬化物又は請求項7に記載のプリプレグの硬化物を含む絶縁層と、配線とを備える配線板。
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| JP2002308948A (ja) | 2001-04-11 | 2002-10-23 | Asahi Kasei Corp | 硬化性樹脂組成物 |
| JP2007191675A (ja) | 2005-05-26 | 2007-08-02 | Hitachi Chem Co Ltd | 硬化性樹脂組成物、プリプレグ、金属張積層板、封止材、感光性フィルム、レジストパターンの形成方法、及び、プリント配線板 |
| WO2016072404A1 (ja) | 2014-11-06 | 2016-05-12 | 三菱瓦斯化学株式会社 | 樹脂組成物、プリプレグ、金属箔張積層板、樹脂複合シート、及びプリント配線板 |
| JP2017125196A (ja) | 2012-01-19 | 2017-07-20 | イソラ・ユーエスエイ・コーポレーシヨンIsola USA Corp. | 合成樹脂並びにそれらから製造されるワニス、プレプレグおよび積層物 |
| WO2018124205A1 (ja) | 2016-12-28 | 2018-07-05 | 片山化学工業株式会社 | リン含有(メタ)アクリル酸エステル誘導体 |
| JP2018135447A (ja) | 2017-02-22 | 2018-08-30 | 住友ベークライト株式会社 | 樹脂組成物及び構造体 |
| WO2018159080A1 (ja) | 2017-03-02 | 2018-09-07 | パナソニックIpマネジメント株式会社 | 樹脂組成物、プリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板、及び配線板 |
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| JP5649773B2 (ja) | 2007-05-31 | 2015-01-07 | 三菱瓦斯化学株式会社 | 硬化性樹脂組成物および硬化性フィルムならびにそれらの硬化物 |
| JP7316570B2 (ja) | 2017-09-29 | 2023-07-28 | パナソニックIpマネジメント株式会社 | プリプレグ、金属張積層板、及び配線板 |
| CN111386313B (zh) * | 2018-01-09 | 2020-10-30 | 三菱瓦斯化学株式会社 | 树脂组合物、预浸料、覆金属箔层叠板、树脂复合片、及印刷布线板 |
| JP7006281B2 (ja) | 2018-01-10 | 2022-02-10 | 日本製鉄株式会社 | 鉄骨造建築物 |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002308948A (ja) | 2001-04-11 | 2002-10-23 | Asahi Kasei Corp | 硬化性樹脂組成物 |
| JP2007191675A (ja) | 2005-05-26 | 2007-08-02 | Hitachi Chem Co Ltd | 硬化性樹脂組成物、プリプレグ、金属張積層板、封止材、感光性フィルム、レジストパターンの形成方法、及び、プリント配線板 |
| JP2017125196A (ja) | 2012-01-19 | 2017-07-20 | イソラ・ユーエスエイ・コーポレーシヨンIsola USA Corp. | 合成樹脂並びにそれらから製造されるワニス、プレプレグおよび積層物 |
| WO2016072404A1 (ja) | 2014-11-06 | 2016-05-12 | 三菱瓦斯化学株式会社 | 樹脂組成物、プリプレグ、金属箔張積層板、樹脂複合シート、及びプリント配線板 |
| WO2018124205A1 (ja) | 2016-12-28 | 2018-07-05 | 片山化学工業株式会社 | リン含有(メタ)アクリル酸エステル誘導体 |
| JP2018135447A (ja) | 2017-02-22 | 2018-08-30 | 住友ベークライト株式会社 | 樹脂組成物及び構造体 |
| WO2018159080A1 (ja) | 2017-03-02 | 2018-09-07 | パナソニックIpマネジメント株式会社 | 樹脂組成物、プリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板、及び配線板 |
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| TW202108679A (zh) | 2021-03-01 |
| WO2020262089A1 (ja) | 2020-12-30 |
| KR102908716B1 (ko) | 2026-01-06 |
| KR20220024148A (ko) | 2022-03-03 |
| US20220363798A1 (en) | 2022-11-17 |
| CN113950509A (zh) | 2022-01-18 |
| JPWO2020262089A1 (ja) | 2020-12-30 |
| TWI861127B (zh) | 2024-11-11 |
| US12534584B2 (en) | 2026-01-27 |
| EP3978240A1 (en) | 2022-04-06 |
| EP3978240A4 (en) | 2022-08-24 |
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