JP7217441B2 - 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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Description
本実施形態に係る樹脂組成物は、下記式(1)で表されるマレイミド化合物と、炭素-炭素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と、アリル化合物を含む架橋剤とを含有する。
前記マレイミド化合物は、上記式(1)で表されるマレイミド化合物であれば、特に限定されない。繰り返し数であるsは、1~5であり、1超5以下であることが好ましい。このsは、繰り返し数(重合度)の平均値である。sが小さすぎると、前記変性ポリフェニレンエーテル化合物と前記マレイミド化合物と前記架橋剤とを架橋させても、充分に架橋されない傾向がある。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。すなわち、RA、RB、RC、及びRDは、それぞれ同一の基であっても、異なる基であってもよい。RA、RB、RC、及びRDは、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。この中でも、水素原子が好ましい。また、炭素数1~5のアルキル基としては、例えば、メチル基、エチル基、プロピル基、イソプロピル基、n-ブチル基、sec-ブチル基、イソブチル基、tert-ブチル基、ペンチル基、及びネオペンチル基等が挙げられる。
本実施形態において用いられる変性ポリフェニレンエーテル化合物は、炭素-炭素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であれば、特に限定されない。
本実施形態で用いる架橋剤は、アリル化合物を含み、前記変性ポリフェニレンエーテル化合物と前記マレイミド化合物とを含む樹脂組成物中に架橋を形成させて、前記樹脂組成物を硬化させることができるものであれば、特に限定されない。また、前記架橋剤は、アリル化合物を含んでいればよく、アリル化合物以外の架橋剤を含んでいてもよいし、前記架橋剤がアリル化合物からなるものであってもよい。
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変性ポリフェニレンエーテル化合物と前記架橋剤との合計質量100質量部に対して、10~60質量部であることが好ましく、20~50質量部であることがより好ましく、25~40質量部であることがさらに好ましい。また、前記変性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変性ポリフェニレンエーテル化合物と前記架橋剤との合計質量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。また、前記架橋剤の含有量は、前記マレイミド化合物と前記変性ポリフェニレンエーテル化合物と前記架橋剤との合計質量100質量部に対して、10~50質量部であることが好ましく、20~40質量部であることがより好ましく、25~35質量部であることがさらに好ましい。また、前記アリル化合物の含有量は、前記架橋剤100質量部に対して、上記範囲内であれば好ましいが、前記マレイミド化合物と前記変性ポリフェニレンエーテル化合物と前記架橋剤との合計質量100質量部に対しては、10~50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、20~30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、前記変性ポリフェニレンエーテル化合物、前記架橋剤、及び前記アリル化合物の各含有量が、上記範囲内であれば、得られた樹脂組成物が、ガラス転移温度がより高く、吸水率がより低く、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より抑制した硬化物を好適に得ることができる。
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、前記マレイミド化合物、前記変性ポリフェニレンエーテル化合物及び前記架橋剤以外の成分(その他の成分)を含有してもよい。本実施の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、難燃剤、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、及び無機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、前記変性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。
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(1)で表され、前記式(1)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)
BMI-2300: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)
BMI-4000:ビスフェノールA型ビフェニルエーテルビスマレイミド(大和化成工業株式会社製のBMI4000)
BMI-5100:3,3-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(大和化成工業株式会社製のBMI5100)
(変性ポリフェニレンエーテル化合物:変性PPE)
変性PPE-1:末端にビニルベンジル基(エテニルベンジル基)を有する変性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(11)で表され、Zが、フェニレン基であり、R1~R3が水素原子であり、pが0である変性ポリフェニレンエーテル化合物)
変性PPE-2:ポリフェニレンエーテルとクロロメチルスチレンとを反応させて得られた変性ポリフェニレンエーテルである。
ここで、εは、吸光係数を示し、4700L/mol・cmである。また、OPLは、セル光路長であり、1cmである。
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)
(架橋剤: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)
(開始剤)
パーブチルP:1,3-ジ(t-ブチルパーオキシイソプロピル)ベンゼン(日油株式会社製のパーブチルP)
(シランカップリング剤)
KBM-503:分子中にメタクリロイル基を有するシランカップリング剤(3-メタクリロキシプロピルトリメトキシシラン、信越化学工業株式会社製のKBM-503)
(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)
(調製方法)
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。
各ワニスを目視で観察した。その結果、透明であれば、「良」と評価し、ワニスを作製できるものの、濁りが確認される場合、「可」と評価した。なお、ワニスを作製できない場合は、「不可」と評価し、その後、プリプレグを作製することができないので、相溶性以外の評価はできず、その評価結果としては、表1において「-」と示す。
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。
評価基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。
Claims (11)
- 前記架橋剤は、分子中にアクリロイル基を2個以上有する多官能アクリレート化合物、及び分子中にメタクリロイル基を2個以上有する多官能メタクリレート化合物の少なくとも一方をさらに含む請求項1に記載の樹脂組成物。
- 前記多官能メタクリレート化合物は、ジメタクリレート化合物を含む請求項2に記載の樹脂組成物。
- 前記アリル化合物は、トリアリルイソシアヌレート及びジアリルビスフェノールの少なくとも一方を含む請求項1~3のいずれか1項に記載の樹脂組成物。
- 前記変性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変性ポリフェニレンエーテル化合物と前記架橋剤との合計質量100質量部に対して、10~75質量部である請求項1~4のいずれか1項に記載の樹脂組成物。
- シランカップリング剤で予め処理された無機充填材をさらに含有する請求項1~5のいずれか1項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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| CN114222775A (zh) * | 2019-08-20 | 2022-03-22 | 东京应化工业株式会社 | 绝缘膜形成用固化性组合物、绝缘膜的形成方法及末端马来酰亚胺改性聚苯醚树脂 |
| JP7588351B2 (ja) * | 2019-09-27 | 2024-11-22 | 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 |
| CN115916535A (zh) * | 2020-09-01 | 2023-04-04 | 松下知识产权经营株式会社 | 树脂组合物、和使用其的预浸料、带树脂的膜、带树脂的金属箔、覆金属箔层压板及布线板 |
| TWI819365B (zh) * | 2021-08-30 | 2023-10-21 | 南亞塑膠工業股份有限公司 | 聚苯醚型雙馬來醯亞胺樹脂及其製造方法以及樹脂組合物 |
| CN113956481A (zh) * | 2021-09-07 | 2022-01-21 | 江苏诺德新材料股份有限公司 | 一种5g高频高速覆铜板用树脂组合物、半固化片及层压板 |
| CN114213896A (zh) * | 2021-12-28 | 2022-03-22 | 扬州众想科技绝缘材料有限公司 | 一种聚酰亚胺复合铝箔及其制备方法 |
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| KR20250130297A (ko) * | 2022-12-28 | 2025-09-01 | 가부시끼가이샤 레조낙 | 지지체 구비 수지 필름, 그리고 프린트 배선판의 제조 방법 및 반도체 패키지의 제조 방법 |
| CN119095724A (zh) * | 2022-12-28 | 2024-12-06 | 株式会社力森诺科 | 带树脂的金属箔、以及印刷线路板的制造方法和半导体封装体的制造方法 |
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| EP3715393B1 (en) | 2023-03-08 |
| EP3715393A4 (en) | 2021-03-17 |
| EP3715393A1 (en) | 2020-09-30 |
| WO2019131306A1 (ja) | 2019-07-04 |
| TWI847970B (zh) | 2024-07-11 |
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