KR20010050692A - 방향족 폴리이미드 적층체 - Google Patents
방향족 폴리이미드 적층체 Download PDFInfo
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Abstract
Description
Claims (19)
- 방향족 폴리이미드 복합체막, 금속막 및 박리막을 포함하며, 상기 방향족 폴리이미드 복합체막은 방향족 폴리이미드 기질막 및 두 개의 열가소성 방향족 폴리이미드 층으로 이루어지고, 상기 층 각각은 기질막의 각 표면에 고정되고, 상기 기질막은 350 ℃ 이상의 유리전이온도를 가지며, 상기 열가소성 방향족 폴리이미드 층은 190 내지 280 ℃ 의 유리전이온도를 가지며, 여기서 상기 금속막은 매개하는 접착층없이 0.8 kg/cm 이상의 90°박리 강도에서 하나의 열가소성 방향족 폴리이미드 층에 고정되고, 상기 박리막은 매개하는 접착층없이 0.001 내지 0.5 kg/cm 이상의 90°박리 강도에서 또 다른 열가소성 방향족 폴리이미드 층에 고정되는데, 단, 후자의 박리 강도는 전자의 박리 강도의 1/2 이하인 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 금속막은 매개하는 접착층없이 0.9 kg/cm 이상의 90°박리 강도에서 하나의 열가소성 방향족 폴리이미드 층에 고정되는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 방향족 폴리이미드 기질막은 선팽창 계수 5 ×10-6∼ 20 ×10-6cm/cm/℃ 를 가지며, 상기 계수는 50 내지 200 ℃ 의 온도에서 기계방향에서 측정된 값인 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 방향족 폴리이미드 기질막은 ASTM-D882 에 따라 기계방향으로 측정되는 인장탄성율 300 kg/mm2이상인 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 방향족 폴리이미드 기질막은 하기로부터 이루어진 군에서 선택되는 하나 이상의 폴리이미드 물질을 함유하는 것을 특징으로 하는 방향족 폴리이미드 적층체:- 3,3',4,4'-비페닐테트라카르복실산 디무수물 및 p-페닐렌디아민로부터 제조된 폴리이미드;- 3,3',4,4'-비페닐테트라카르복실산 디무수물, 및 85 몰% 이상의 p-페닐렌디아민과 15 몰% 이하의 4,4'-디아미노디페닐 에테르의 방향족 디아민 혼합물로부터 제조된 폴리이미드;- 피로멜리트산 디무수물, 및 10 내지 90 몰% 의 p-페닐렌디아민과 90 내지 10 몰% 의 4,4'-디아미노디페닐 에테르의 방향족 디아민 혼합물로부터 제조된 폴리이미드;- 3,3',4,4'-비페닐테트라카르복실산 디무수물 및 피로멜리트산 디무수물의 방향족 테트라카르복실산 디무수물 혼합물, 및 p-페닐렌디아민과 4,4'-디아미노디페닐 에테르의 방향족 디아민 혼합물로부터 제조된 폴리이미드; 및,- 20 내지 90 몰% 의 3,3',4,4'-벤조페논테트라카르복실산 디무수물과 80 내지 10 몰%의 피로멜리트산 디무수물의 방향족 테트라카르복실산 디무수물 혼합물, 및 30 내지 90 몰% 의 p-페닐렌디아민와 70 내지 10 몰% 의 4,4'-디아미노디페닐 에테르 방향족 디아민 혼합물로부터 제조된 폴리이미드.
- 제 1 항에 있어서, 방향족 폴리이미드 기질막이 5 내지 125 ㎛ 의 두께를 갖는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 열가소성 방향족 폴리이미드 층이 200 내지 275 ℃ 의 유리전이온도를 갖는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 열가소성 방향족 폴리이미드 층은 하기로부터 이루어진 군에서 선택되는 하나 이상의 폴리이미드 물질을 함유하는 것을 특징으로 하는 방향족 폴리이미드 적층체:- 2,3,3',4'-비페닐테트라카르복실산 디무수물 및 1,3-비스(4-아미노페녹시)벤젠으로부터 제조된 폴리이미드;- 2,3,3',4'-비페닐테트라카르복실산 디무수물, 및 4,4'-옥시디프탈산 디무수물 및 1,3-비스(4-아미노페녹시)-2,2-디메틸프로판의 방향족 테트라카르복실산 디무수물 혼합물로부터 제조된 폴리이미드; 및,- 피로멜리트산 디무수물, 및 4,4'-옥시디프탈산 디무수물 및 1,3-비스(4-아미노페녹시)벤젠의 방향족 테트라카르복실산 디무수물 혼합물로부터 제조된 폴리이미드.
- 제 6 항에 있어서, 폴리이미드 층의 두께가 폴리이미드 기질막의 두께보다 작은 조건하에서, 열가소성 방향족 폴리이미드 층은 1 내지 25 ㎛ 의 두께를 갖는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 금속막은 구리막, 알루미늄막, 철막, 금막 및 금속합금막으로 이루어지는 군에서 선택되는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 금속막은 전해질 구리막 또는 압연 구리막인 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 금속막은 Rz 로 환산하여 0.5 내지 10 ㎛ 의 표면 거칠기를 갖는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 금속막은 5 내지 60 ㎛ 의 두께를 갖는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 12 항에 있어서, 박리막의 표면 거칠기가 금속막의 표면 거칠기보다 덜 한 조건하에서, 박리막은 Rz 로 환산하여 3 ㎛ 이하의 표면 거칠기를 갖는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 박리막이 불소-함유 수지막 또는 방향족 폴리이미드막인 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 14 항에 있어서, 박리막이 압연 알루미늄막인 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 제 1 항에 있어서, 적층체는 연속 웹 형태에서 400 mm 이상의 폭을 갖는 것을 특징으로 하는 방향족 폴리이미드 적층체.
- 방향족 폴리이미드 복합체막, 금속막 및 박리막을 포함하는 방향족 폴리이미드 적층체를 제조하는 방법에 있어서, 상기 방향족 폴리이미드 복합체막은 방향족 폴리이미드 기질막 및 두 개의 열가소성 방향족 폴리이미드 층으로 이루어지고, 상기 층 각각은 기질막의 각 표면에 고정되고, 상기 기질막은 350 ℃ 이상의 유리전이온도를 가지며, 상기 열가소성 방향족 폴리이미드 층은 190 내지 280 ℃ 의 유리전이온도를 가지며, 여기서 상기 금속막은 매개하는 접착층없이 0.8 kg/cm 이상의 90°박리 강도0.8 kg/cm 이상에서 하나의 열가소성 방향족 폴리이미드 층에 고정되고, 상기 박리막은 매개하는 접착층없이 0.001 내지 0.5 kg/cm 이상의 90°박리 강도에서 또 다른 열가소성 방향족 폴리이미드 층에 고정되는데, 단, 후자의 박리 강도는 전자의 박리 강도의 1/2 이하이며, 이중 벨트 프레스를 사용하여 금속막을 방향족 폴리이미드 복합체막의 한 면에, 그리고 박리막을 방향족 폴리이미드막의 다른 면에 동시에 프레스하는 것을 포함하는 방법.
- 방향족 폴리이미드 복합체막, 금속막 및 박리막을 포함하는 연속적인 폴리이미드 적층체 웹을 제조하는 방법에 있어서, 상기 방향족 폴리이미드 복합체막은 방향족 폴리이미드 기질막 및 두 개의 열가소성 방향족 폴리이미드 층으로 이루어지고, 상기 층 각각은 기질막의 각 표면에 고정되고, 상기 기질막은 350 ℃ 이상의 유리전이온도를 가지며, 상기 열가소성 방향족 폴리이미드 층은 190 내지 280 ℃ 의 유리전이온도를 가지며, 여기서 상기 금속막은 매개하는 접착층없이 0.8 kg/cm 이상의 90°박리 강도에서 하나의 열가소성 방향족 폴리이미드 층에 고정되고, 상기 박리막은 매개하는 접착층없이 0.001 내지 0.5 kg/cm 이상의 90°박리 강도에서 또 다른 열가소성 방향족 폴리이미드 층에 고정되는데, 단, 후자의 박리 강도는 전자의 박리 강도의 1/2 이하이며, 이중 벨트 프레스를 사용하여 금속막 웹을 방향족 폴리이미드 복합체막 웹의 한 면에 그리고 박리막 웹을 방향족 폴리이미드막 웹의 다른 면에 동시에 프레스하는 것을 포함하는 방법.
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