JP5029105B2 - 感光性樹脂積層体及びそれから得られる感光性樹脂印刷版材 - Google Patents
感光性樹脂積層体及びそれから得られる感光性樹脂印刷版材 Download PDFInfo
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- JP5029105B2 JP5029105B2 JP2007100149A JP2007100149A JP5029105B2 JP 5029105 B2 JP5029105 B2 JP 5029105B2 JP 2007100149 A JP2007100149 A JP 2007100149A JP 2007100149 A JP2007100149 A JP 2007100149A JP 5029105 B2 JP5029105 B2 JP 5029105B2
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- Photosensitive Polymer And Photoresist Processing (AREA)
- Materials For Photolithography (AREA)
- Printing Plates And Materials Therefor (AREA)
Description
すなわち、本発明は、以下の構成からなる。
(2)接着層に含有する可溶性高分子化合物が6−ナイロンの構成単位を含有し、アルコール及び/又は水に可溶なポリアミドであることを特徴とする(1)の感光性樹脂積層体。
(3)さらに感光性樹脂層がベンゾフェノン系紫外線吸収剤を含有する(1)又は(2)の感光性樹脂積層体。
(4)接着層が二層構造からなり、支持体上に設けたポリウレタン系接着層上にポリアミドを含む架橋した接着層を設けたことを特徴とする(1)〜(3)の感光性樹脂積層体。
(5)(1)〜(4)の感光性樹脂積層体より得られることを特徴とする感光性樹脂印刷版。
感光性樹脂層内の内質量部での光散乱による影響を減らすことができ、さらには形成させたパターンを支持体に維持でき、高精細なパターンを形成するに最適な感光性樹脂原版を提供することができる。
ε−カプロラクタム55.0質量部、N,N’−ビス(γ−アミノプロピル)ピペラジンアジペート40.0質量部、1,3−ビスアミノメチルシクロヘキサンアジペート7.5質量部および水100質量部を、反応器に入れ、充分な窒素置換を行った後に密閉して徐々に加熱した。内圧が10kg/cm2に達した時点から、反応器内の水を徐々に留出させて1時間で常圧に戻し、その後1.0時間常圧で反応させた。最高重合温度は220℃であった。得られた重合体は、融点140℃、比粘度2.00の透明淡黄色のポリアミド1を得た。このポリアミドは、アルコール及び酸性水に可溶性であった。
得られたポリアミド1を50.0質量部、メタノール50.0質量部および水10質量部を、攪拌付き加熱解釜中で60℃、2時間混合してポリマーを完全に溶解してから、トリメチロールプロパントリグリシジルエステルのアクリル酸付加物44.0質量部、メタクリル酸3質量部、ハイドロキノンモノメチルエーテル0.1質量部、2,2'4,4'-テトラヒドロキシベンゾフェノン0.02質量部およびベンジルジメチルケタール2質量部を添加して30分間溶解した。次いで、徐々に昇温してメタノールと水を留出させて、釜内の温度が110℃となるまで濃縮した。この段階で流動性のある粘稠な感光性樹脂組成物1を得た。
厚さ200μmのクロムメッキ鋼板上に、市販の線状ポリエステルバイロンRV−30SS(東洋紡績)100gにU−CATSA102(サンアプロ(株)製)0.1g、コロネートL(日本ポリウレタン工業(株)製)10.0gを順次混合してなる塗工液を、バーコーターを用いて均一に塗布し、直ちに140℃の熱風乾燥機の中に入れ、3分間乾燥し、膜厚約20μmの接着層1を有する支持体1を得た。
支持体1〜3と厚さ2μmのポリビニルアルコール(AH−24、日本合成化学(株)製)の被膜を有する厚さ125μmのポリエステルフィルムとの間に、得られた感光性樹脂組成物1、2を被膜側が感光層と接するように、当該ポリエステルフィルムをラミネーターで感光層上に積層し、全厚みが950μm、570μm、520μm、500μmで感光層厚みが480μm、100μm、50μm、30μmのシート状感光性樹脂原版を得た。
Claims (3)
- 少なくとも支持体、接着層及び感光性樹脂層からなる感光性樹脂積層体であって、該感光性樹脂層の厚みが10〜150μmの紫外線吸収剤を含有する感光性樹脂層であり、該接着層が二層構造からなり、支持体上に設けたポリウレタン系接着層上にポリアミドを含む架橋した接着層を設け、且つ接着層が感光性樹脂組成層に含有する感光性樹脂組成物と同じ構成単位を有する可溶性高分子化合物を含有し、可溶性高分子化合物が6−ナイロンの構成単位を含有するアルコール及び/又は水に可溶可能なポリアミドであることを特徴とする回路印刷版用感光性樹脂積層体。
- さらに感光性樹脂層に含有する紫外線吸収剤がベンゾフェノン系紫外線吸収剤である請求項1に記載の回路印刷版用感光性樹脂積層体。
- 請求項1〜2に記載の感光性樹脂積層体より得られることを特徴とする感光性樹脂回路印刷版。
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