KR100560103B1 - 우수한 표면평활도 및 헤이즈 특성을 가진 폴리이미드계나노복합필름 및 이의 제조방법 - Google Patents
우수한 표면평활도 및 헤이즈 특성을 가진 폴리이미드계나노복합필름 및 이의 제조방법 Download PDFInfo
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Abstract
Description
구 분 | 폴리아믹산 (g) | 친유기성 층상 실리케이트 (중량%, g) | DMAc (㎖) | 폴리아믹산의 고형분 함량 (중량%) | ||
STN1) | SPN2) | C-153) | ||||
제조예 1 | 20 | 1, 0.03 | - | - | 21.74 | 15 |
제조예 2 | 5, 0.15 | - | - | 23.32 | ||
제조예 3 | 9, 0.27 | - | - | 24.90 | ||
제조예 4 | 20, 0.60 | - | - | 29.24 | ||
제조예 5 | - | 1, 0.03 | - | 21.74 | ||
제조예 6 | - | 5, 0.15 | - | 23.32 | ||
제조예 7 | - | 9, 0.27 | - | 24.90 | ||
제조예 8 | - | 20, 0.60 | - | 29.24 | ||
제조예 9 | - | - | 1, 0.03 | 21.74 | ||
제조예 10 | - | - | 5, 0.15 | 23.32 | ||
제조예 11 | - | - | 9, 0.27 | 24.90 | ||
제조예 12 | - | - | 20, 0.60 | 29.24 | ||
1) STN : 트리옥틸메틸암모늄으로 개질된 층상 합성 스멕타이트 (Co-opchemical사) 2) SPN : 폴리옥시프로필렌메틸디에틸암모늄으로 개질된 층상 합성 스멕타이트 (Co-opchemical사) 3) Closite-15A : 디메틸 디수소화탈로(dimethyl, dihydrogenatedtallow)로 개질된 몬모릴로나이트 |
구 분 | Haze (%) | TT1)(%) | DT2)(%) | PT3)(%) | 표면조도 (㎚) |
실시예1 | 0.99 | 75.33 | 0.74 | 74.59 | 0.310 |
실시예 2 | 1.23 | 74.01 | 1.13 | 72.88 | 0.420 |
실시예 3 | 1.27 | 73.67 | 0.94 | 72.73 | 0.874 |
실시예 4 | 1.26 | 72.31 | 0.91 | 71.40 | 1.303 |
비교예 1 | 10.44 | 73.03 | 7.62 | 65.41 | 1.517 |
비교예 2 | 33.39 | 66.25 | 22.12 | 44.13 | 1.596 |
비교예 3 | 54.57 | 58.09 | 31.7 | 26.39 | 1.725 |
비교예 4 | 69.26 | 50.16 | 34.74 | 15.42 | 2.048 |
비교예 5 | 38.51 | 60.24 | 23.19 | 37.05 | 1.860 |
비교예 6 | 59.08 | 55.97 | 33.06 | 22.91 | 1.925 |
비교예 7 | 1.59 | 76.92 | 1.22 | 75.70 | 2.030 |
1) TT : Total Transmittance(전광투과도) 2) DT : Diffractional Transmittance(확산투과도) 3) PT : Parallel Transmittance (평행광 투과도) |
Claims (5)
- 폴리이미드 수지와, 3개 또는 4개의 알킬사슬을 가진 암모늄염으로 개질된 친유기 층상 실리케이트가 균일하게 분산되어, 헤이즈(haze)[ASTM D 1003]가 0.1 ∼ 5 %인 것임을 특징으로 하는 폴리이미드계 나노복합필름.
- 제 1 항에 있어서, 상기 나노복합필름은 폴리이미드 수지 75.0 ∼ 99.9 중량%와, 나노 무기 층상 실리케이트 0.1 ∼ 25 중량%가 포함되어 이루어진 것임을 특징으로 하는 폴리이미드계 나노복합필름.
- 제 1 항에 있어서, 상기 친유기 층상 실리케이트는 몬모릴로나이트, 스멕타이트, 카올리나이트, 마가다이트, 케냐이트, 헥토라이트 및 버미큘라이트 중에서 선택되어 유기화 처리된 층상 실리케이트인 것임을 특징으로 하는 폴리이미드계 나노복합필름.
- 유기용매에 폴리아믹산 또는 이의 전구체와 나노 크기의 무기 층상 실리케이트가 분산된 나노복합용액을 제조하는 과정과,상기 나노복합용액을 기재(Substrate)의 단면에 용액 캐스팅한 후, 건조 및 열처리하여 폴리이미드계 나노복합필름을 형성하는 과정이포함되어 이루어지는 것을 특징으로 하는 폴리이미드계 나노복합필름의 제조방법.
- 제 4 항에 있어서, 상기 나노복합용액에 유기산 무수물 및 유기아민 유도체 중에서 선택된 이미드화 촉매를 첨가하여 화학적 이미드화, 또는 진공에서 250 ∼ 400 ℃의 고온에서 가열하여 열적 이미드화하는 것을 특징으로 하는 폴리이미드계 나노복합필름의 제조방법.
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KR20050040542A (ko) * | 2003-10-29 | 2005-05-03 | 한국화학연구원 | 고내열 친유기성 층상 실리케이트 및 이를 이용한폴리이미드 나노 복합재 |
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KR20050040542A (ko) * | 2003-10-29 | 2005-05-03 | 한국화학연구원 | 고내열 친유기성 층상 실리케이트 및 이를 이용한폴리이미드 나노 복합재 |
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