폴리머 (Polymer(Korea))

  • 제30권2호
  • /
  • Pages.162-167
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  • 2006
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  • 0379-153X(pISSN)
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  • 2234-8077(eISSN)
한국고분자학회 (The Polymer Society of Korea)
권호 표지

신규 양성형 감광성 폴리암산의 합성 및 특성 연구

Synthesis and Characterization of New Positive Type Photosensitive Poly(amic acid)s

  • 심현보 (한국화학연구원 화학소재연구부) ;
  • 유영임 (한국화학연구원 화학소재연구부) ;
  • 이미혜 (한국화학연구원 화학소재연구부)
  • Sim Hyun-Bo (Advanced Materials Division, Korea Research Institute of Chemical Technology) ;
  • Yu Yeong-Im (Advanced Materials Division, Korea Research Institute of Chemical Technology) ;
  • Yi Mi-Hye (Advanced Materials Division, Korea Research Institute of Chemical Technology)
  • 발행 : 2006.03.01
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초록

1,2,3,4-시클로부탄 테트라카복시산 이무수물과 4,4'-디아미노디페닐에테르(DDE)를 용액 중합 반응하여 폴리암산(PAA) 용액을 제조한 후, 1,2-에폭시-3-페녹시프로판과 반응시켜 폴리암산에스테르(PAE)를 합성하였다. 여기에 용해억제재로서 30 wt%의 디아조나프토퀴논 유도체(DI)를 첨가하였다. $365{\sim}400nm$의 파장에서 $200mJ/cm^2$의 자외광을 조사한 후, 0.95 wt%의 테트라메틸암모니움히드록사이드 수용액으로 현상한 결과 $25{\mu}m$ 해상도의 양성형 미세 화상을 얻었다. 비노광부에 잔존하는 폴리이미드 박막은 400nm에서 92% 이상의 우수한 광투과도를 나타내었다.

Polyamic acid (PAA) was prepared from cyclobutane-1,2,3,4-tetracarboxylic dianhydride (CBDA) and 4,4'-fiaminodiphenyl ether (DDE). In order to impart a photosensitivity to the PAA, diazonaphthoquinone (DNQ) derivative (DI) was added. However, the addition of the DI was not enough to inhibit the dissolution of the PAA for a aqueous alkal solution. Therefore, we had synthesized poly(amic acid ester)s by an adding 1,2-epoxy-3-phenoxypropane to the PAA. That is, an acidity of the PAA could be controlled by an esterification reaction of 1,2-epoxy-3-phenoxypropane with the PAA. Significant difference of a dissolution rate of the poly(amic acid ester) between an o(posed and unexposed area was observed at an acid content of 60% and less. Resolution of the positively patterned film showed about $25{\mu}m$ at the exposure dose of $200mJ/cm^2$.

키워드

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