JPH0257057B2 - - Google Patents
Info
- Publication number
- JPH0257057B2 JPH0257057B2 JP18994083A JP18994083A JPH0257057B2 JP H0257057 B2 JPH0257057 B2 JP H0257057B2 JP 18994083 A JP18994083 A JP 18994083A JP 18994083 A JP18994083 A JP 18994083A JP H0257057 B2 JPH0257057 B2 JP H0257057B2
- Authority
- JP
- Japan
- Prior art keywords
- aromatic
- polyimide
- acid
- aromatic diamine
- diamine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920001721 polyimide Polymers 0.000 claims description 50
- 239000004642 Polyimide Substances 0.000 claims description 45
- 125000003118 aryl group Chemical group 0.000 claims description 36
- 150000004984 aromatic diamines Chemical class 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- -1 aromatic tetracarboxylic acid Chemical class 0.000 claims description 15
- 230000007062 hydrolysis Effects 0.000 claims description 12
- 238000006460 hydrolysis reaction Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 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 9
- 239000003513 alkali Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 125000006158 tetracarboxylic acid group Chemical group 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 230000003301 hydrolyzing effect Effects 0.000 claims description 2
- 150000000000 tetracarboxylic acids Chemical class 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000006068 polycondensation reaction Methods 0.000 description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 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 10
- 239000002994 raw material Substances 0.000 description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- RCZJVHXVCSKDKB-UHFFFAOYSA-N tert-butyl 2-[[1-(2-amino-1,3-thiazol-4-yl)-2-(1,3-benzothiazol-2-ylsulfanyl)-2-oxoethylidene]amino]oxy-2-methylpropanoate Chemical compound N=1C2=CC=CC=C2SC=1SC(=O)C(=NOC(C)(C)C(=O)OC(C)(C)C)C1=CSC(N)=N1 RCZJVHXVCSKDKB-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910001868 water Inorganic materials 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 235000011121 sodium hydroxide Nutrition 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- WXNZTHHGJRFXKQ-UHFFFAOYSA-N 4-chlorophenol Chemical compound OC1=CC=C(Cl)C=C1 WXNZTHHGJRFXKQ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 3
- 235000011118 potassium hydroxide Nutrition 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000006114 decarboxylation reaction Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011403 purification operation Methods 0.000 description 2
- LFBALUPVVFCEPA-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)C(C(O)=O)=C1 LFBALUPVVFCEPA-UHFFFAOYSA-N 0.000 description 1
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58189940A JPS6081154A (ja) | 1983-10-13 | 1983-10-13 | 回収方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58189940A JPS6081154A (ja) | 1983-10-13 | 1983-10-13 | 回収方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6081154A JPS6081154A (ja) | 1985-05-09 |
| JPH0257057B2 true JPH0257057B2 (ru) | 1990-12-03 |
Family
ID=16249749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58189940A Granted JPS6081154A (ja) | 1983-10-13 | 1983-10-13 | 回収方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6081154A (ru) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6450876A (en) * | 1987-08-21 | 1989-02-27 | Ube Industries | Production of high-purity biphenyltetracarboxylic acid dianhydride |
| JP3087993B2 (ja) * | 1988-06-25 | 2000-09-18 | 宇部興産株式会社 | 芳香族ポリアミック酸の製造方法 |
| JP4985085B2 (ja) * | 2007-05-10 | 2012-07-25 | 東洋紡績株式会社 | ポリイミドの分解・回収方法 |
| JP5029222B2 (ja) * | 2007-08-28 | 2012-09-19 | 東洋紡績株式会社 | ポリイミドの分解・回収方法 |
| JP4952441B2 (ja) * | 2007-08-28 | 2012-06-13 | 東洋紡績株式会社 | ポリイミドの分解・回収方法 |
| JP2013087148A (ja) * | 2011-10-14 | 2013-05-13 | Toray Ind Inc | ポリイミドのアルカリ加水分解方法およびポリイミド金属積層体からの低分子量体および金属の回収方法 |
| KR101492894B1 (ko) | 2012-06-12 | 2015-02-12 | 가부시키가이샤 나까타 코팅 | 이미도기 함유 화합물, 이미도기 함유 화합물 용액, 및 이미도기 함유 화합물의 제조 방법 |
| EP2924074A1 (en) | 2013-11-27 | 2015-09-30 | Nakata Coating Co., Ltd. | Imide group-containing compound solution and production method for polyimide film derived from imide group-containing compound solution |
| EP3608377A4 (en) | 2018-03-20 | 2021-02-17 | Nakata Coating Co., Ltd. | Aqueous TREATMENT, METHOD FOR MANUFACTURING AQUATIC TREATMENT AND METHOD OF USING AQUATIC TREATMENT |
-
1983
- 1983-10-13 JP JP58189940A patent/JPS6081154A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6081154A (ja) | 1985-05-09 |
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