KR102493648B1 - 우수한 복원 특성을 갖는 폴리이미드 필름 - Google Patents
우수한 복원 특성을 갖는 폴리이미드 필름 Download PDFInfo
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- KR102493648B1 KR102493648B1 KR1020210029101A KR20210029101A KR102493648B1 KR 102493648 B1 KR102493648 B1 KR 102493648B1 KR 1020210029101 A KR1020210029101 A KR 1020210029101A KR 20210029101 A KR20210029101 A KR 20210029101A KR 102493648 B1 KR102493648 B1 KR 102493648B1
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- South Korea
- Prior art keywords
- acid dianhydride
- polyimide film
- diamine
- film
- aromatic
- Prior art date
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- 229920001721 polyimide Polymers 0.000 title claims abstract description 81
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000002253 acid Substances 0.000 claims abstract description 72
- 150000004985 diamines Chemical class 0.000 claims abstract description 51
- 125000003118 aryl group Chemical group 0.000 claims description 38
- 125000002723 alicyclic group Chemical group 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 12
- 150000003457 sulfones Chemical class 0.000 claims description 9
- 238000002834 transmittance Methods 0.000 claims description 9
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 8
- RTWNYYOXLSILQN-UHFFFAOYSA-N methanediamine Chemical compound NCN RTWNYYOXLSILQN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 33
- 229920005575 poly(amic acid) Polymers 0.000 description 26
- 238000006358 imidation reaction Methods 0.000 description 17
- 239000000178 monomer Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 230000000704 physical effect Effects 0.000 description 14
- -1 polyethylene terephthalate Polymers 0.000 description 14
- 239000000463 material Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 11
- WKDNYTOXBCRNPV-UHFFFAOYSA-N bpda Chemical compound C1=C2C(=O)OC(=O)C2=CC(C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 WKDNYTOXBCRNPV-UHFFFAOYSA-N 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 125000006159 dianhydride group Chemical group 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 239000009719 polyimide resin Substances 0.000 description 7
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 6
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 6
- YGYCECQIOXZODZ-UHFFFAOYSA-N 4415-87-6 Chemical compound O=C1OC(=O)C2C1C1C(=O)OC(=O)C12 YGYCECQIOXZODZ-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 150000004984 aromatic diamines Chemical class 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000002861 polymer material Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 description 4
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 4
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 125000001153 fluoro group Chemical group F* 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 125000005462 imide group Chemical group 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 3
- ZHBXLZQQVCDGPA-UHFFFAOYSA-N 5-[(1,3-dioxo-2-benzofuran-5-yl)sulfonyl]-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(S(=O)(=O)C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 ZHBXLZQQVCDGPA-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
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- 239000012024 dehydrating agents Substances 0.000 description 3
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- 238000009864 tensile test Methods 0.000 description 3
- MSTZGVRUOMBULC-UHFFFAOYSA-N 2-amino-4-[2-(3-amino-4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropan-2-yl]phenol Chemical group C1=C(O)C(N)=CC(C(C=2C=C(N)C(O)=CC=2)(C(F)(F)F)C(F)(F)F)=C1 MSTZGVRUOMBULC-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- AEJWKVGGBGUSOA-UHFFFAOYSA-N 4-[(1,3-dioxo-2-benzofuran-4-yl)sulfonyl]-2-benzofuran-1,3-dione Chemical compound O=C1OC(=O)C2=C1C=CC=C2S(=O)(=O)C1=CC=CC2=C1C(=O)OC2=O AEJWKVGGBGUSOA-UHFFFAOYSA-N 0.000 description 2
- APXJLYIVOFARRM-UHFFFAOYSA-N 4-[2-(3,4-dicarboxyphenyl)-1,1,1,3,3,3-hexafluoropropan-2-yl]phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(C(O)=O)C(C(O)=O)=C1 APXJLYIVOFARRM-UHFFFAOYSA-N 0.000 description 2
- HJSYPLCSZPEDCQ-UHFFFAOYSA-N 5-[2-(3-amino-4-methylphenyl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-2-methylaniline Chemical compound C1=C(N)C(C)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(C)C(N)=C1 HJSYPLCSZPEDCQ-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- PMTMAFAPLCGXGK-UHFFFAOYSA-N OPDA Natural products CCC=CCC1C(CCCCCCCC(O)=O)C=CC1=O PMTMAFAPLCGXGK-UHFFFAOYSA-N 0.000 description 2
- 101100028078 Oryza sativa subsp. japonica OPR1 gene Proteins 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- QLBRROYTTDFLDX-UHFFFAOYSA-N [3-(aminomethyl)cyclohexyl]methanamine Chemical compound NCC1CCCC(CN)C1 QLBRROYTTDFLDX-UHFFFAOYSA-N 0.000 description 2
- 150000001334 alicyclic compounds Chemical class 0.000 description 2
- 150000007824 aliphatic compounds Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 2
- 125000004427 diamine group Chemical group 0.000 description 2
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 2
- 229960001826 dimethylphthalate Drugs 0.000 description 2
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- 230000001747 exhibiting effect Effects 0.000 description 2
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- 230000009477 glass transition Effects 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 229920001690 polydopamine Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
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- 238000007363 ring formation reaction Methods 0.000 description 2
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- PMTMAFAPLCGXGK-JMTMCXQRSA-N (15Z)-12-oxophyto-10,15-dienoic acid Chemical compound CC\C=C/C[C@H]1[C@@H](CCCCCCCC(O)=O)C=CC1=O PMTMAFAPLCGXGK-JMTMCXQRSA-N 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- RBAHPVZZUNVLLE-UHFFFAOYSA-N 1-phenoxy-1-phenylpropan-1-amine Chemical compound C=1C=CC=CC=1C(N)(CC)OC1=CC=CC=C1 RBAHPVZZUNVLLE-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- HSCFLKMJUGBEEQ-UHFFFAOYSA-N 2-(2-aminophenyl)-1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound NC1=CC=CC=C1C(O)(C(F)(F)F)C(F)(F)F HSCFLKMJUGBEEQ-UHFFFAOYSA-N 0.000 description 1
- RJIXOOWTCNNQQD-UHFFFAOYSA-N 2-[(2-carboxyphenyl)-dimethylsilyl]benzoic acid Chemical compound C=1C=CC=C(C(O)=O)C=1[Si](C)(C)C1=CC=CC=C1C(O)=O RJIXOOWTCNNQQD-UHFFFAOYSA-N 0.000 description 1
- ITQTTZVARXURQS-UHFFFAOYSA-N 3-methylpyridine Chemical compound CC1=CC=CN=C1 ITQTTZVARXURQS-UHFFFAOYSA-N 0.000 description 1
- LJMPOXUWPWEILS-UHFFFAOYSA-N 3a,4,4a,7a,8,8a-hexahydrofuro[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1C2C(=O)OC(=O)C2CC2C(=O)OC(=O)C21 LJMPOXUWPWEILS-UHFFFAOYSA-N 0.000 description 1
- QYIMZXITLDTULQ-UHFFFAOYSA-N 4-(4-amino-2-methylphenyl)-3-methylaniline Chemical compound CC1=CC(N)=CC=C1C1=CC=C(N)C=C1C QYIMZXITLDTULQ-UHFFFAOYSA-N 0.000 description 1
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- NVKGJHAQGWCWDI-UHFFFAOYSA-N 4-[4-amino-2-(trifluoromethyl)phenyl]-3-(trifluoromethyl)aniline Chemical group FC(F)(F)C1=CC(N)=CC=C1C1=CC=C(N)C=C1C(F)(F)F NVKGJHAQGWCWDI-UHFFFAOYSA-N 0.000 description 1
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- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 238000001392 ultraviolet--visible--near infrared spectroscopy Methods 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
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Abstract
Description
디아민 (몰%) | 산이무수물 (몰%) | |||
제1모노머 | 제2모노머 | 제1모노머 | 제2모노머 | |
실시예 1 | TFDB (100) | - | BPADA (70) | BPDA (30) |
실시예 2 | TFDB (100) | - | BPDA (80) | 6FDA (20) |
실시예 3 | TFDB (70) | 6FODA (30) | CBDA (20) | BPDA (80) |
실시예 4 | TFDB (70) | 6FAPB (30) | BPADA (60) | CBDA (40) |
비교예 1 | p-PDA (100) | - | BTDA (70) | DSDA (30) |
비교예 2 | m-Tol (100) | - | OPDA (50) | PMDA (50) |
비교예 3 | BIS-AT-AF (70) | p-PDA (30) | CpODA (30) | BTDA (70) |
비교예 4 | m-Tol (80) | 4,4-DABAN (20) | CpODA (70) | OPDA (30) |
항복 변형 (Yield Strain, %) |
항복 강도 (Yield Strength, Mpa) |
Modulus of Resilience (MPa) |
복원력 (cm) | Dynamic Folding Cycle (@1R) |
모듈러스 (Gpa) |
투과도 (%T, @ 550nm) |
황색도 (Y.I) |
|||
초기 높이 |
1시간 경과 후 높이 | 3시간 경과 후 높이 | ||||||||
실시예1 | 3.2 | 172 | 3.08 | < 0.1 | 0 | 0 | 2000K | 4.8 | 89.5 | 3.4 |
실시예2 | 3.1 | 160 | 3.05 | 1.0 | 0.1 | < 0.1 | 1800K | 4.2 | 89.8 | 2.5 |
실시예3 | 2.8 | 180 | 2.89 | 1.8 | 0.8 | 0.2 | 1400K | 5.6 | 89.1 | 3.0 |
실시예4 | 3.0 | 168 | 2.88 | 0.5 | < 0.1 | < 0.1 | 1700K | 4.9 | 90.0 | 2.7 |
비교예1 | 1.3 | 80 | 0.46 | 6.9 | 6.1 | 5.5 | 60K | 6.9 | 82.1 | 17.1 |
비교예2 | 1.5 | 83 | 0.49 | 7.3 | 5.7 | 4.8 | 90K | 7.1 | 84.1 | 14.7 |
비교예3 | 1.5 | 72 | 0.42 | 6.2 | 5.3 | 4.3 | 80K | 6.1 | 84.7 | 15.4 |
비교예4 | 1.4 | 66 | 0.38 | 6.3 | 5.5 | 4.4 | 80K | 5.8 | 83.4 | 16.8 |
Claims (12)
- 적어도 1종의 디아민; 및 적어도 1종의 산이무수물을 포함하여 공중합된 폴리이미드 필름으로서,
상기 디아민은 불소화 방향족 제1 디아민으로 구성되며,
상기 산이무수물은 불소화 방향족 제1 산이무수물, 비불소화 방향족 제2 산이무수물, 및 설폰계 방향족 제3 산이무수물로 구성된 군에서 선택된 적어도 1종의 방향족 산이무수물을 포함하되,
다만 지환족 산이무수물은 비포함하며,
30 내지 100 ㎛의 두께에서, ASTM D882에 따라 측정된 항복강도가 50 내지 200 MPa이고,
하기 식 1에 의한 레질리언스는 3.05 내지 5.0 MPa인, 폴리이미드 필름:
[식 1]
(상기 식에서, σ는 항복강도이고, E는 모듈러스임) - 제1항에 있어서,
필름 두께 30 내지 100㎛을 기준으로, 곡률반경 1 내지 10mm에서 72시간 동안 필름에 굴곡을 행한 후의 최초 복원 높이(HI)가 5cm 이하이고, 적어도 1시간 경과 후의 복원 높이(HF)가 3cm 이하인, 폴리이미드 필름. - 제1항에 있어서,
ASTM D882에 따라 측정된 당해 필름의 응력-변형 곡선(Stress-Strain Curve)에 있어서, 인장강도 20~40 MPa의 구간 기울기 대비 적어도 80%에 대응되는 임계점의 변형(strain)으로 정의되는 항복 변형(Yield Strain, Y/S)이 2.0% 내지 5.0%인, 폴리이미드 필름. - 제1항에 있어서,
곡률 반경 1 내지 5mm로 당해 필름을 굴곡시켰을 때 파단까지의 굴곡 횟수가 100,000회 이상인, 폴리이미드 필름. - 제1항에 있어서,
ASTM D882에 따라 측정된 모듈러스가 3 내지 8 GPa인, 폴리이미드 필름. - 제1항에 있어서,
두께 30 내지 100 ㎛에서, 파장 550nm의 광 투과율이 85% 이상이며,
ASTM E313-73 규격에 의한 황색도가 10 이하인, 폴리이미드 필름. - 삭제
- 삭제
- 삭제
- 제1항에 있어서,
상기 제1 산이무수물 내지 제3 산이무수물의 함량은 각각 전체 산이무수물 100 몰%를 기준으로 10 내지 100 몰%인 폴리이미드 필름. - 제1항에 있어서,
상기 디아민(a)과 상기 산이무수물(b)의 몰수의 비(a/b)는 0.7 내지 1.3 범위인 폴리이미드 필름. - 제1항에 있어서,
디스플레이 장치의 커버윈도우로 사용되는 폴리이미드 필름.
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