KR102448928B1 - 폴리아마이드계 필름, 이를 포함하는 커버 윈도우 및 디스플레이 장치 - Google Patents
폴리아마이드계 필름, 이를 포함하는 커버 윈도우 및 디스플레이 장치 Download PDFInfo
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- KR102448928B1 KR102448928B1 KR1020200152301A KR20200152301A KR102448928B1 KR 102448928 B1 KR102448928 B1 KR 102448928B1 KR 1020200152301 A KR1020200152301 A KR 1020200152301A KR 20200152301 A KR20200152301 A KR 20200152301A KR 102448928 B1 KR102448928 B1 KR 102448928B1
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- 229920002647 polyamide Polymers 0.000 title claims abstract description 228
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- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 19
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Abstract
[수식 1]
쌍극자성 용매 상용성 =
수식 1 중, σd는 폴리아마이드계 필름의 표면에너지 중 분산성 성분의 값이고, σp는 폴리아마이드계 필름의 표면에너지 중 극성 성분의 값이고, δ1d는 쌍극자성 용매의 Hansen 용해도 파라미터 중 분산성 성분의 값이고, δ1p는 쌍극자성 용매의 Hansen 용해도 파라미터 중 쌍극자성 성분의 값이다.
Description
도 2는 일 구현예에 따른 폴리아마이드계 필름의 제조방법의 개략적인 순서도를 나타낸 것이다.
| 구분 | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | 비교예 1 | 비교예 2 | 비교예 3 | ||
| 폴리아마이드계 중합체의 중합비 |
디아민 화합물 | TFMB 100 | TFMB 100 | TFMB 100 | TFMB 100 | TFMB 100 | TFMB 100 | TFMB 100 | TFMB 100 | |
| 디카르보닐 화합물 |
TPC 75 IPC 25 |
TPC 70 IPC 30 |
TPC 50 IPC 10 |
TPC 60 IPC 40 |
TPC 40 IPC 60 |
TPC 95 IPC 5 |
TPC 80 IPC 20 |
TPC 5 IPC 95 |
||
| 디안하이드라이드 | - | - | 6-FDA 40 | - | - | - | - | - | ||
| 중합 온도(oC) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 30 | ||
| 1차 건조온도(oC) | 120 | 130 | 120 | 120 | 120 | 120 | 120 | 130 | ||
| 2차 건조온도(oC) | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | ||
| 표면에너지 (mN/m) |
총 | 38.32 | 39.48 | 41.03 | 39.4 | 36.85 | 43.52 | 43.84 | 34.72 | |
| 분산성 성분 | 34.63 | 35.93 | 36 | 35.79 | 34.04 | 39.29 | 39.52 | 32.9 | ||
| 극성 성분 | 3.69 | 3.55 | 5.13 | 3.61 | 2.81 | 4.23 | 4.32 | 1.82 | ||
| 용매 상용성 | 메틸 이소부틸 케톤 | 19.8 | 21.1 | 23.5 | 20.9 | 19.3 | 24.4 | 24.6 | 18.4 | |
| 톨루엔 | 26.0 | 27.3 | 28.3 | 27.1 | 25.3 | 30.7 | 30.9 | 24.1 | ||
| 클로로포름 | 26.0 | 27.3 | 27.5 | 27.2 | 25.4 | 30.7 | 30.9 | 24.2 | ||
| 구분 | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | 비교예 1 | 비교예 2 | 비교예 3 |
| 두께 (㎛) | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Modulus (Gpa) | 6.8 | 6.94 | 6.29 | 6.29 | 4.95 | 5.67 | 6.76 | 3.87 |
| 투과도 (%) | 88.9 | 89.0 | 89.0 | 89.0 | 89.3 | 76.9 | 85.4 | 89.3 |
| 헤이즈 (%) | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 68.74 | 344 | 0.28 |
| 황색도 | 2.72 | 3.14 | 2.42 | 2.42 | 2.5 | 29.14 | 21.99 | 3.81 |
| 용매 친화도 | 양호 | 양호 | 양호 | 양호 | 양호 | 불량 | 불량 | 불량 |
101 : 제1면 102 : 제2면
200 : 기능층 300 : 커버 윈도우
400 : 표시부 500 : 접착층
Claims (13)
- 삭제
- 제 1 항에 있어서,
상기 수식 1 중 δ1d은 14 내지 15.8인, 폴리아마이드계 필름.
- 제 1 항에 있어서,
상기 수식 1 중 δ1p는 6 내지 10인, 폴리아마이드계 필름.
- 제 5 항에 있어서,
상기 수식 2 중 δ2p는 0.1 내지 4인, 폴리아마이드계 필름.
- 제 5 항에 있어서,
상기 수식 2 중 δ2d는 7.5 내지 9.6인, 폴리아마이드계 필름.
- 제 1 항 또는 제 5 항에 있어서,
상기 폴리아마이드계 중합체는 2종 이상의 아마이드계 반복 단위를 포함하는, 폴리아마이드계 필름.
- 제 8 항에 있어서,
상기 2종 이상의 아마이드계 반복 단위는 제1 디카르보닐 화합물로부터 유래된 제1 아마이드계 반복단위 및 제2 디카르보닐 화합물로부터 유래된 제2 아마이드계 반복 단위를 포함하고,
상기 제1 디카르보닐 화합물 내의 2개의 카르보닐기 사이의 각도는 상기 제2 디카르보닐 화합물 내의 2개의 카르보닐기 사이의 각도보다 큰, 폴리아마이드계 필름.
- 제 1 항 또는 제 5 항에 있어서,
상기 폴리아마이드계 중합체는 아마이드계 반복단위 및 이미드계 반복단위 를 51:49 내지 100:0의 몰비로 포함하는, 폴리아마이드계 필름.
- 제 1 항 또는 제 5 항에 있어서,
필름의 두께 50 ㎛를 기준으로,
모듈러스가 5 GPa 이상이고,
투과도가 80% 이상이고,
헤이즈가 1% 이하이고,
황색도가 3.5 이하인, 폴리아마이드계 필름.
- 폴리아마이드계 필름 및 기능층을 포함하고,
상기 폴리아마이드계 필름은 하기 수식 1로 표현되는 쌍극자성 용매 상용성이 19.5 내지 23.5인, 디스플레이 장치용 커버 윈도우:
[수식 1]
쌍극자성 용매 상용성 =
상기 수식 1에서,
σd는 폴리아마이드계 필름의 표면에너지 중 분산성 성분의 값이고,
σp는 폴리아마이드계 필름의 표면에너지 중 극성 성분의 값이고,
δ1d는 쌍극자성 용매의 Hansen 용해도 파라미터 중 분산성 성분의 값으로서, 13 내지 17이고,
δ1p는 쌍극자성 용매의 Hansen 용해도 파라미터 중 쌍극자성 성분의 값으로서, 5 내지 13이다.
- 표시부; 및
상기 표시부 상에 배치된 커버 윈도우;를 포함하며,
상기 커버 윈도우는 폴리아마이드계 필름 및 기능층을 포함하고,
상기 폴리아마이드계 필름은 하기 수식 1로 표현되는 쌍극자성 용매 상용성이 19.5 내지 23.5인, 디스플레이 장치.
[수식 1]
쌍극자성 용매 상용성 =
상기 수식 1에서,
σd는 폴리아마이드계 필름의 표면에너지 중 분산성 성분의 값이고,
σp는 폴리아마이드계 필름의 표면에너지 중 극성 성분의 값이고,
δ1d는 쌍극자성 용매의 Hansen 용해도 파라미터 중 분산성 성분의 값으로서, 13 내지 17이고,
δ1p는 쌍극자성 용매의 Hansen 용해도 파라미터 중 쌍극자성 성분의 값으로서, 5 내지 13이다.
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| TW110137068A TWI805013B (zh) | 2020-11-13 | 2021-10-05 | 聚醯胺系薄膜及包含其之覆蓋窗及顯示裝置 |
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