CN104927072A - 一种耐溶剂低热膨胀系数的聚酰亚胺薄膜及其制备方法 - Google Patents
一种耐溶剂低热膨胀系数的聚酰亚胺薄膜及其制备方法 Download PDFInfo
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- CN104927072A CN104927072A CN201510287653.7A CN201510287653A CN104927072A CN 104927072 A CN104927072 A CN 104927072A CN 201510287653 A CN201510287653 A CN 201510287653A CN 104927072 A CN104927072 A CN 104927072A
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- amino
- kapton
- primary amine
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- amine monomer
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- 229920001721 polyimide Polymers 0.000 title claims abstract description 46
- 239000002904 solvent Substances 0.000 title claims abstract description 29
- 239000004642 Polyimide Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000010409 thin film Substances 0.000 title abstract 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000009719 polyimide resin Substances 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229940100630 metacresol Drugs 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 238000007669 thermal treatment Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000000967 suction filtration Methods 0.000 claims abstract description 8
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 41
- 239000000178 monomer Substances 0.000 claims description 26
- 150000003141 primary amines Chemical class 0.000 claims description 24
- 239000005357 flat glass Substances 0.000 claims description 21
- 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 description 19
- 239000000243 solution Substances 0.000 claims description 19
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 claims description 18
- 125000006158 tetracarboxylic acid group Chemical group 0.000 claims description 16
- 125000002560 nitrile group Chemical group 0.000 claims description 15
- 238000010792 warming Methods 0.000 claims description 14
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- KZTYYGOKRVBIMI-UHFFFAOYSA-N diphenyl sulfone Chemical compound C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 claims description 8
- 206010013786 Dry skin Diseases 0.000 claims description 7
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 7
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- 238000004090 dissolution Methods 0.000 claims description 7
- 238000000643 oven drying Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- IHCNWWQQHZNTSG-UHFFFAOYSA-N 3-aminobenzene-1,2-dicarbonitrile Chemical compound NC1=CC=CC(C#N)=C1C#N IHCNWWQQHZNTSG-UHFFFAOYSA-N 0.000 claims description 6
- JPZRPCNEISCANI-UHFFFAOYSA-N 4-(4-aminophenyl)-3-(trifluoromethyl)aniline Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1C(F)(F)F JPZRPCNEISCANI-UHFFFAOYSA-N 0.000 claims description 6
- YVNRUPSDZZZUQJ-UHFFFAOYSA-N [O].NC1=CC=CC=C1 Chemical compound [O].NC1=CC=CC=C1 YVNRUPSDZZZUQJ-UHFFFAOYSA-N 0.000 claims description 6
- ZXHGYMBGHKRGJP-UHFFFAOYSA-N C#N.NC1=CC(=CC=C1)N Chemical compound C#N.NC1=CC(=CC=C1)N ZXHGYMBGHKRGJP-UHFFFAOYSA-N 0.000 claims 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 claims description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 4
- -1 anhydride phthalic acids Chemical class 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- NSGXIBWMJZWTPY-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)CC(F)(F)F NSGXIBWMJZWTPY-UHFFFAOYSA-N 0.000 claims description 2
- YGYCECQIOXZODZ-UHFFFAOYSA-N 4415-87-6 Chemical compound O=C1OC(=O)C2C1C1C(=O)OC(=O)C12 YGYCECQIOXZODZ-UHFFFAOYSA-N 0.000 claims description 2
- LCAKBXBHDWTZQZ-UHFFFAOYSA-N C#N.NC1=C(C=CC=C1)N Chemical compound C#N.NC1=C(C=CC=C1)N LCAKBXBHDWTZQZ-UHFFFAOYSA-N 0.000 claims description 2
- CAJJXVAOVYJNJE-UHFFFAOYSA-N C#N.NC1=CC=C(C=C1)N Chemical compound C#N.NC1=CC=C(C=C1)N CAJJXVAOVYJNJE-UHFFFAOYSA-N 0.000 claims description 2
- ZPAKUZKMGJJMAA-UHFFFAOYSA-N Cyclohexane-1,2,4,5-tetracarboxylic acid Chemical compound OC(=O)C1CC(C(O)=O)C(C(O)=O)CC1C(O)=O ZPAKUZKMGJJMAA-UHFFFAOYSA-N 0.000 claims description 2
- LSFNKGRVBHTLFP-UHFFFAOYSA-N NC1=CC=CC(C(C=CC=C2)=C2C#N)=C1.[O] Chemical compound NC1=CC=CC(C(C=CC=C2)=C2C#N)=C1.[O] LSFNKGRVBHTLFP-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- 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 claims description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 2
- 239000001294 propane Substances 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- GQHWSLKNULCZGI-UHFFFAOYSA-N trifluoromethoxybenzene Chemical compound FC(F)(F)OC1=CC=CC=C1 GQHWSLKNULCZGI-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000004132 cross linking Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract 2
- 238000007865 diluting Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000010345 tape casting Methods 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 10
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 8
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000003495 polar organic solvent Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 6
- 0 Cc(cc1*)ccc1-c(ccc(C)c1)c1I Chemical compound Cc(cc1*)ccc1-c(ccc(C)c1)c1I 0.000 description 4
- 150000004985 diamines Chemical class 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- CQMIJLIXKMKFQW-UHFFFAOYSA-N 4-phenylbenzene-1,2,3,5-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(=O)O)=CC(C(O)=O)=C1C1=CC=CC=C1 CQMIJLIXKMKFQW-UHFFFAOYSA-N 0.000 description 1
- WEAYCYAIVOIUMG-UHFFFAOYSA-N Cc(cc1)ccc1S(c1ccc(C)cc1)(=O)=O Chemical compound Cc(cc1)ccc1S(c1ccc(C)cc1)(=O)=O WEAYCYAIVOIUMG-UHFFFAOYSA-N 0.000 description 1
- KZTUYBZUSOTWTR-UHFFFAOYSA-N Cc1cccc(Oc(cc2)ccc2S(c(cc2)ccc2Oc2cc(C)ccc2)(=O)=O)c1 Chemical compound Cc1cccc(Oc(cc2)ccc2S(c(cc2)ccc2Oc2cc(C)ccc2)(=O)=O)c1 KZTUYBZUSOTWTR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
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- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108026272A (zh) * | 2015-09-25 | 2018-05-11 | 三菱瓦斯化学株式会社 | 聚酰亚胺树脂及聚酰亚胺薄膜 |
CN110892002A (zh) * | 2017-05-23 | 2020-03-17 | 大林有限公司 | 具有激光剥离容易性及高耐热性的聚酰胺酸树脂的制造方法及利用其制造的聚酰亚胺膜 |
CN111234528A (zh) * | 2020-01-16 | 2020-06-05 | 东营欣邦电子科技有限公司 | 一种低热膨胀系数的透明聚酰亚胺薄膜及其制备方法 |
US20220041809A1 (en) * | 2019-01-25 | 2022-02-10 | Lg Chem, Ltd. | Diamine compound, and polyimide precursor and polyimide film using same |
CN115558135A (zh) * | 2022-09-26 | 2023-01-03 | 大连理工大学 | 一种具有交联结构的高耐热聚酰亚胺薄膜、制备方法及应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005120317A (ja) * | 2003-10-20 | 2005-05-12 | Pi R & D Co Ltd | 接着性組成物及びその硬化方法 |
CN101392059A (zh) * | 2008-11-05 | 2009-03-25 | 东华大学 | 一种无色透明芳香族聚酰亚胺薄膜及其制备方法 |
CN101418079A (zh) * | 2008-11-27 | 2009-04-29 | 同济大学 | 一种含有富勒烯添加剂的聚酰亚胺润滑膜的制备方法 |
CN102492320A (zh) * | 2011-12-05 | 2012-06-13 | 北方涂料工业研究设计院 | 耐高温光纤用快速固化聚酰亚胺涂料 |
CN102604385A (zh) * | 2012-03-27 | 2012-07-25 | 清华大学 | 一种无色高透明柔性聚酰亚胺薄膜及其制备方法 |
CN102898644A (zh) * | 2011-07-28 | 2013-01-30 | 苏州华辉材料科技有限公司 | 可溶性含氟芳香半脂环聚酰亚胺膜材料及其制备方法 |
-
2015
- 2015-05-29 CN CN201510287653.7A patent/CN104927072B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005120317A (ja) * | 2003-10-20 | 2005-05-12 | Pi R & D Co Ltd | 接着性組成物及びその硬化方法 |
CN101392059A (zh) * | 2008-11-05 | 2009-03-25 | 东华大学 | 一种无色透明芳香族聚酰亚胺薄膜及其制备方法 |
CN101418079A (zh) * | 2008-11-27 | 2009-04-29 | 同济大学 | 一种含有富勒烯添加剂的聚酰亚胺润滑膜的制备方法 |
CN102898644A (zh) * | 2011-07-28 | 2013-01-30 | 苏州华辉材料科技有限公司 | 可溶性含氟芳香半脂环聚酰亚胺膜材料及其制备方法 |
CN102492320A (zh) * | 2011-12-05 | 2012-06-13 | 北方涂料工业研究设计院 | 耐高温光纤用快速固化聚酰亚胺涂料 |
CN102604385A (zh) * | 2012-03-27 | 2012-07-25 | 清华大学 | 一种无色高透明柔性聚酰亚胺薄膜及其制备方法 |
Non-Patent Citations (2)
Title |
---|
丁孟贤: "《聚酰亚胺—化学、结构与性能的关系及材料》", 30 September 2006 * |
张明轩: "《复合材料工程词典》", 28 February 2009 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108026272A (zh) * | 2015-09-25 | 2018-05-11 | 三菱瓦斯化学株式会社 | 聚酰亚胺树脂及聚酰亚胺薄膜 |
US10968316B2 (en) | 2015-09-25 | 2021-04-06 | Mitsubishi Gas Chemical Company, Inc. | Polyimide resin and polyimide film |
CN108026272B (zh) * | 2015-09-25 | 2021-05-07 | 三菱瓦斯化学株式会社 | 聚酰亚胺树脂及聚酰亚胺薄膜 |
CN110892002A (zh) * | 2017-05-23 | 2020-03-17 | 大林有限公司 | 具有激光剥离容易性及高耐热性的聚酰胺酸树脂的制造方法及利用其制造的聚酰亚胺膜 |
CN110892002B (zh) * | 2017-05-23 | 2022-10-21 | (株)大林公司 | 具有激光剥离容易性及高耐热性的聚酰胺酸树脂的制造方法及利用其制造的聚酰亚胺膜 |
US20220041809A1 (en) * | 2019-01-25 | 2022-02-10 | Lg Chem, Ltd. | Diamine compound, and polyimide precursor and polyimide film using same |
US11926706B2 (en) * | 2019-01-25 | 2024-03-12 | Lg Chem, Ltd. | Diamine compound, and polyimide precursor and polyimide film using same |
CN111234528A (zh) * | 2020-01-16 | 2020-06-05 | 东营欣邦电子科技有限公司 | 一种低热膨胀系数的透明聚酰亚胺薄膜及其制备方法 |
CN115558135A (zh) * | 2022-09-26 | 2023-01-03 | 大连理工大学 | 一种具有交联结构的高耐热聚酰亚胺薄膜、制备方法及应用 |
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Application publication date: 20150923 Assignee: YANCHENG LIYAN NEW MATERIAL Co.,Ltd. Assignor: YANCHENG XIANGYUAN ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. Contract record no.: X2023980051871 Denomination of invention: A solvent resistant low thermal expansion coefficient polyimide film and its preparation method Granted publication date: 20190514 License type: Common License Record date: 20231213 |
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Application publication date: 20150923 Assignee: Yancheng Maijie Software Technology Co.,Ltd. Assignor: YANCHENG XIANGYUAN ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. Contract record no.: X2023980052569 Denomination of invention: A solvent resistant low thermal expansion coefficient polyimide film and its preparation method Granted publication date: 20190514 License type: Common License Record date: 20231219 |
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