JP2018503704A - 熱硬化性樹脂組成物、及びそれを用いて製造されたプリプレグと積層板 - Google Patents
熱硬化性樹脂組成物、及びそれを用いて製造されたプリプレグと積層板 Download PDFInfo
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Abstract
Description
本発明に使用されるアリルベンゼン−無水マレイン酸の化学構造式は、以下のとおりである熱硬化性樹脂組成物を提供する。
窒素ガスで保護され且つ撹拌している条件において、無水マレイン酸の単量体と開始剤を媒体に加えて溶解し、60〜80℃まで加熱すると、アリルベンゼン単量体と分子量調節剤を滴下し、滴下終了後、撹拌し続けて1〜8h反応させて、低分子量アリルベンゼン/無水マレイン酸重合体粒子の分散系を得て、分散系を遠心分離して乾燥させ、低分子量アリルベンゼン/無水マレイン酸交互共重合体を得た。前記開始剤は有機過酸化物又はアゾ化合物、前記媒体は有機酸アルキルとアルカンの混合溶液、前記分子量調節剤は酢酸ビニル、無水マレイン酸とアリルベンゼンの使用量はモル比で1:0.90〜0.96、反応体系における2種の無水マレイン酸単量体とアリルベンゼンの全質量濃度は2.0〜7.5%、反応系における開始剤の質量濃度は0.05〜0.35%、反応系における分子量調節剤の質量濃度は0.10〜0.45%、有機酸アルキルとアルカンの混合溶液における有機酸アルキルの体積百分率は20〜80%である。
シアネート、エポキシ樹脂、アリルベンゼン−無水マレイン酸、ポリフェニレンエーテル、ノンハロゲン難燃剤、硬化促進剤、フィラー及び溶剤等を容器に投入し、撹拌して均一に混合し、接着剤を得て、溶剤で溶液の固形分を60%〜70%に調整して接着液を調製し、すなわち熱硬化性樹脂組成物接着液を得て、2116電子グレードのガラス繊維布を接着剤に浸漬し、オーブンで焼成して半硬化シートを得て、6枚の2116半硬化シートを取って、両面に厚み35μmの電解銅箔を被覆し、ホットプレスで真空積層して、190℃で120min硬化させて、銅張積層板を得た。
(A)シアネート:HF−10(上海慧峰科貿社製、商品名)
(B)エポキシ樹脂
(B−1)ビフェニル型エポキシ樹脂:NC−3000−H(日本化薬社製、商品名)
(B−2)ジシクロペンタジエン型エポキシ樹脂:HP−7200H(大日本インク社製、商品名)
(C−1)実施例1で合成したアリルベンゼン−無水マレイン酸
(C−2)スチレン−無水マレイン酸オリゴマー:SMA−EF40(米国Sartomer社製、商品名)
(D−1)低分子量ポリフェニレンエーテル:MX90(SABIC Innovative Plastics社製、商品名)、数平均分子量1000〜4000
(D−2)高分子量ポリフェニレンエーテル:Sabic640−111(SABIC Innovative Plastics社製、商品名) 数平均分子量15000〜20000
(E)ノンハロゲン難燃剤
(E−1)PX−200(日本大八化学株式会社製、商品名)
(E−2)SPB−100(大塚化学株式会社製、商品名)
(G)硬化促進剤
(H)フィラー:溶融シリカ
示差走査熱量法(DSC)により、IPC−TM−650 2.4.25に規定されたDSC方法を用いて測定する。
IPC−TM−650 2.4.8方法における「熱応力後」の実験条件で、金属キャップの剥離強度をテストする。
ストリップライン共振法を用いて、IPC−TM−650 2.5.5.5に準じて1GHzでの誘電率(Dk)と誘電正接(Df)を測定する。
UL−94標準に準じてテストする。
銅張積層板を銅エッチング液に浸漬して、表面銅箔を除去して基板を評価し、基板を圧力鍋に入れて、121℃、2atmで2h処理し、吸水率をテストした後、温度288℃の錫炉に浸漬し、基材に発泡やクラックが発生する際に対応する時間を記録する。基材を錫炉に入れてから5min超えた後にも、発泡やクラックが発生しないと、評価を終了する。
Claims (10)
- 前記エポキシ樹脂はビスフェノールA型エポキシ樹脂、ビスフェノールF型エポキシ樹脂、ビスフェノールAD型エポキシ樹脂、ビスフェノールZ型エポキシ樹脂、ビスフェノールM型エポキシ樹脂、ビスフェノールAP型エポキシ樹脂、ビスフェノールTMC型エポキシ樹脂、ビフェニル型エポキシ樹脂、アルキルノボラック型エポキシ樹脂、ジシクロペンタジエン型エポキシ樹脂、ビスフェノールA型ノボラックエポキシ樹脂、o−クレゾールノボラックエポキシ樹脂、フェノールノボラック型エポキシ樹脂、三官能エポキシ樹脂、四官能エポキシ樹脂、イソシアネート変性エポキシ樹脂又はナフタレン型エポキシ樹脂から選ばれる任意の1種又は少なくとも2種の混合物である、ことを特徴とする請求項1に記載の熱硬化性樹脂組成物。
- 前記ポリフェニレンエーテルの数平均分子量は1000〜4000であることを特徴とする請求項1に記載の熱硬化性樹脂組成物。
- 前記ノンハロゲン難燃剤はホスファゼン、ポリリン酸アンモニウム、トリス(2−カルボキシエチル)ホスフィン、トリス(クロロプロピル)ホスフェート、トリメチルホスフェート、ジメチル−メチルホスフェート、レゾルシノールジキシリルホスフェート、リン窒素系化合物、ポリ燐酸メラミン、メラミンシアヌレート、トリヒドロキシエチルイソシアヌレート、9,10−ジヒドロ−9−オキサ−10−ホスファフェナントレン−10−オキシド又はDOPO含有フェノール樹脂から選ばれる任意の1種又は少なくとも2種の混合物である、ことを特徴とする請求項1に記載の熱硬化性樹脂組成物。
- 前記硬化促進剤はイミダゾール、金属塩、第三級アミン又はピペリジン系化合物から選ばれる任意の1種又は少なくとも2種の混合物であり、
好ましくは、前記硬化促進剤は2−メチルイミダゾール、ウンデシルイミダゾール、2−エチル−4−メチルイミダゾール、2−フェニルイミダゾール、1−シアノエチル置換イミダゾール、ベンジルジメチルアミン、コバルトアセチルアセトネート、銅アセチルアセトナート又はイソオクタン酸亜鉛から選ばれる任意の1種又は少なくとも2種の混合物である、ことを特徴とする請求項1に記載の熱硬化性樹脂組成物。 - 前記フィラーは無機又は有機フィラーであり、
好ましくは、前記フィラーは無機フィラーであり、前記無機フィラーは水酸化アルミニウム、酸化アルミニウム、水酸化マグネシウム、酸化マグネシウム、アルミナ、シリカ、炭酸カルシウム、窒化アルミニウム、窒化ホウ素、炭化ケイ素、二酸化チタン、酸化亜鉛、酸化ジルコニウム、雲母、ベーマイト、か焼タルク、タルカム粉末、窒化ケイ素又はか焼カオリンから選ばれる任意の1種又は少なくとも2種の混合物であり、
好ましくは、前記フィラーは有機フィラーであり、前記有機フィラーはポリテトラフルオロエチレン粉末、ポリフェニレンサルファイド又はポリエーテルスルホン粉末から選ばれる任意の1種又は少なくとも2種の混合物であり、
好ましくは、前記フィラーの粒径は0.01〜50μm、好ましくは1〜15μm、より好ましくは1〜5μmであることを特徴とする、請求項1に記載の熱硬化性樹脂組成物。 - 請求項1〜7のいずれか1項に記載の熱硬化性樹脂組成物を用いて製造されたプリプレグであって、前記プリプレグは基材、及び浸漬乾燥後に前記基材に付着した熱硬化性樹脂組成物を含み、
好ましくは、前記基材はガラス繊維不織布又はガラス繊維織布である、ことを特徴とするプリプレグ。 - 請求項8に記載のプリプレグを含むことを特徴とする積層板。
- 請求項9に記載の積層板を含むことを特徴とするプリント回路基板。
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CN115505259B (zh) * | 2022-08-17 | 2023-08-18 | 山东金宝电子有限公司 | 一种树脂组合物、树脂胶液、半固化片及其覆铜板 |
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