JPH01242623A - Polyamic acid and polyimide - Google Patents
Polyamic acid and polyimideInfo
- Publication number
- JPH01242623A JPH01242623A JP7072388A JP7072388A JPH01242623A JP H01242623 A JPH01242623 A JP H01242623A JP 7072388 A JP7072388 A JP 7072388A JP 7072388 A JP7072388 A JP 7072388A JP H01242623 A JPH01242623 A JP H01242623A
- Authority
- JP
- Japan
- Prior art keywords
- polyimide
- formula
- polyamic acid
- measured
- logarithmic viscosity
- 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.)
- Pending
Links
- 229920005575 poly(amic acid) Polymers 0.000 title claims abstract description 15
- 229920001721 polyimide Polymers 0.000 title claims abstract description 15
- 239000004642 Polyimide Substances 0.000 title claims abstract description 13
- 150000004032 porphyrins Chemical group 0.000 claims abstract description 8
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000000962 organic group Chemical group 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims 4
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 5
- 230000005307 ferromagnetism Effects 0.000 abstract description 2
- 238000006358 imidation reaction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 8
- 239000010408 film Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000000862 absorption spectrum Methods 0.000 description 4
- 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 description 4
- 239000011521 glass Substances 0.000 description 4
- 125000006158 tetracarboxylic acid group Chemical group 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012456 homogeneous solution Substances 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- GGAUUQHSCNMCAU-ZXZARUISSA-N (2s,3r)-butane-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C[C@H](C(O)=O)[C@H](C(O)=O)CC(O)=O GGAUUQHSCNMCAU-ZXZARUISSA-N 0.000 description 1
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- WXNZTHHGJRFXKQ-UHFFFAOYSA-N 4-chlorophenol Chemical compound OC1=CC=C(Cl)C=C1 WXNZTHHGJRFXKQ-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- UKJLNMAFNRKWGR-UHFFFAOYSA-N cyclohexatrienamine Chemical group NC1=CC=C=C[CH]1 UKJLNMAFNRKWGR-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 125000006159 dianhydride group Chemical group 0.000 description 1
- -1 dicarboxyphenyl Chemical group 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- MZYHMUONCNKCHE-UHFFFAOYSA-N naphthalene-1,2,3,4-tetracarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=C(C(O)=O)C(C(O)=O)=C21 MZYHMUONCNKCHE-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は力学的、熱的、化学的等に安定で新規な機能を
有するポルフィリン含有ポリアミド酸及びポリイミドに
関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to porphyrin-containing polyamic acids and polyimides that are mechanically, thermally, chemically, etc. stable and have novel functions.
すなわち本発明は、下記一般式〔■〕
（式中Ｒ’はり価の有機基、Ｒ２はポルフィリン環を含
むコ価の有機基を示す）
で弄される反復単位からなり、ジメチルアセトアミド中
θ、！＃／ｄｉの濃度かつ３０℃の温度で測定した対数
粘度（η□ｎｈ）が０．／〜３ｄｌ／９であることを特
徴とするポリアミド酸および下記一般式〔■〕
（式中Ｒ’、Ｒ２は前記一般式ＣＩ）と同義である。）
で表わされる反復単位からなり？７％濃硫酸中ｏ、 ｓ
ｇ／ｄ７！の濃度、かつ、３０℃の温度で測定した対
数粘度（’７ ｉｎｈ ）が０．／〜！；ｄｉ／ｇであ
ることを特徴とするポリイミドに関する。That is, the present invention consists of a repeating unit represented by the following general formula [■] (in the formula, R' is an organic group with a valence value, and R2 represents a covalent organic group containing a porphyrin ring), and θ, θ in dimethylacetamide, ! The logarithmic viscosity (η□nh) measured at a concentration of #/di and a temperature of 30°C is 0. /~3dl/9 and the following general formula [■] (wherein R' and R2 have the same meaning as the above general formula CI). )
Consists of repeating units represented by ? o, s in 7% concentrated sulfuric acid
g/d7! concentration and the logarithmic viscosity ('7 inh) measured at a temperature of 30°C is 0. /~! ; di/g.
本発明のポリアミド酸は、一般にテトラカルボン酸二無
水物とポルフィリン環含有ジアミンを極性溶媒中で反応
させることにより得られる。The polyamic acid of the present invention is generally obtained by reacting a tetracarboxylic dianhydride and a porphyrin ring-containing diamine in a polar solvent.
本発明で使用されるテトラカルボン酸二無水物としては
、たとえばピロメリット酸、３． ｌＩ、 ３′。Examples of the tetracarboxylic dianhydride used in the present invention include pyromellitic acid, 3. lI, 3'.
ｑ′−ベンゾフェノンテトラカルポン酸、３．４ｔ、
３’。q'-benzophenonetetracarboxylic acid, 3.4t,
3'.
タ′−ビフェニルテトラカルボン酸、コ１３ｊ”ｊグ′
−ビフェニルテトラカルボン酸、２，３．１、、７ナフ
タレンテトラカルボン酸、ビス（３，’Ｉ−ジカルボキ
シフェニル）メタン、ビス（３，ＩＩ−ジカルボキシフ
ェニル）エーテル、ビス（３，１１−ジカルボキシフェ
ニル）スルホン、２．２’−ビス（３＋ｌＩ−ジカルボ
キシフェニル）プロパン、ブタンテトラカルボン酸等の
テトラカルボン酸の二無水物を例示することができる。Ta'-biphenyltetracarboxylic acid, co13j"jg'
-Biphenyltetracarboxylic acid, 2,3.1,, 7 naphthalenetetracarboxylic acid, bis(3,'I-dicarboxyphenyl)methane, bis(3,II-dicarboxyphenyl)ether, bis(3,11- Examples include dianhydrides of tetracarboxylic acids such as dicarboxyphenyl) sulfone, 2,2'-bis(3+lI-dicarboxyphenyl)propane, and butanetetracarboxylic acid.
ポルフィリン環含有ジアミンとしてはたとえば を例示することが出来る。Examples of porphyrin ring-containing diamines include can be exemplified.
テトラカルボン酸二無水物とポルフィリン環含有ジアミ
ンとの反応は有機溶媒、例えばＮ、 Ｎ’−ジメチルホ
ルムアミド、Ｎ、Ｎ’−ジメチルアセトアミド、Ｎ、Ｎ
’−ジメチルプロピオ〉アミド等のアミド類、Ｎ−メチ
ル−λ−ピロリｌ−” ン、／。The reaction between the tetracarboxylic dianhydride and the porphyrin ring-containing diamine can be carried out using an organic solvent such as N,N'-dimethylformamide, N,N'-dimethylacetamide, N,N'-dimethylformamide, N,N'-dimethylformamide, N,N'-dimethylacetamide,
Amides such as '-dimethylpropioamide, N-methyl-λ-pyrrolin, /.
５−ジメチル−λ−ピ゛ロリドン等のピロリドン類、フ
ェノール、ｐ−クロロフェノール、ｏ−クロロフェノー
ル等のフェノール類の一種以上を単独若しくは混合溶媒
中ジメチルスルホキサイド、トリクロロエタン等との混
合溶媒中で好適に実施される。One or more pyrrolidones such as 5-dimethyl-λ-pyrrolidone, phenols such as phenol, p-chlorophenol, o-chlorophenol, etc. alone or in a mixed solvent, in a mixed solvent with dimethyl sulfoxide, trichloroethane, etc. This is preferably carried out.
ポリアミド酸を製造する一段目の反応は比較・的低温例
えば５０℃以下の温度で行うのがよく、また−船釣には
アミン成分を適当な有機溶媒に溶解させた溶液を冷却下
に保ち、この溶液にテトラカルボン酸二無水物成分を添
加して反応を行うことができる。The first reaction to produce polyamic acid is preferably carried out at a relatively low temperature, e.g., 50°C or lower; for boat fishing, a solution of the amine component dissolved in a suitable organic solvent is kept under cooling; The reaction can be carried out by adding a tetracarboxylic dianhydride component to this solution.
かくして得られたポリアミド酸溶液は種々の方法でイミ
ド化することが出来る。例えば（イ）そのまま加熱脱水
してイミド化する方法（ロ）ポリアミド酸溶液をガラス
板等の上に流延した後加熱脱水してイミド化する方法
（ハ）ポリアミド酸溶液に第３級アミン及び酸無水物等
のイミド化触媒を添加混合した後ガラス板等の上に流延
し、室温又は加熱脱水してイミド化する方法
（ニ）大量のアセトン等の貧溶媒に投入して、析出、口
別した粉末を加熱乾燥させてイミド化する方法
（ホ）第３級アミン及び酸無水物等のイミド化触媒中又
はそれらを含む有機溶媒中で室温又は加熱脱水してイミ
ド化する方法
等がある。The polyamic acid solution thus obtained can be imidized by various methods. For example, (a) a method in which the polyamic acid solution is directly heated and dehydrated to imidize it; (b) a method in which the polyamic acid solution is cast onto a glass plate and then heated and dehydrated to imidize it; (c) a method in which the polyamic acid solution is heated and dehydrated to imidize it; A method in which an imidization catalyst such as an acid anhydride is added and mixed, then cast onto a glass plate, etc., and imidized by dehydration at room temperature or by heating. A method of heating and drying the separated powder to imidize it. be.
本発明のポリイミドはフィルムや成形体を形成させるの
に必要な高分子量すなわち９７％の濃硫酸中、ｏ、ｓ
９７ｄｌの濃度且つ３０℃の温度で測定した対数粘度η
ｉｎｈが少な（とも０． ／ ｄｌ／ｇ、好適には０．
．７ ｄｉ／ ９以上、！ｄｌ／ｇ以下の範囲にある。The polyimide of the present invention has a high molecular weight necessary for forming a film or a molded article, that is, 97% concentrated sulfuric acid.
Logarithmic viscosity η measured at a concentration of 97 dl and a temperature of 30 °C
inh (both 0./dl/g, preferably 0.
．． 7 di/9 or more! It is in the range of dl/g or less.
ここで対数粘度ηｉｎｈとは下記式
％式％）
式中Ｃは重合体溶液の濃度（重合体ｇ／溶媒１００ｍ１
）であり且つηｒｅｌは相対粘度すなわち毛細管粘度計
で測定した重合体溶液及び溶媒の流動時間の比で定義さ
れる測定値である。Here, the logarithmic viscosity ηinh is expressed by the following formula (% formula %).
) and ηrel is the relative viscosity, a measurement defined as the ratio of the flow times of the polymer solution and the solvent as measured with a capillary viscometer.
本発明のポリイミドを前述のイミド化法でフィルムとし
て得ることが出来る。又−度粉末として得、次いで公知
の方法で成形体とすることもできる。又本発明のポリイ
ミドは濃硫酸や発煙硫酸に容易に溶解するので繊維等に
することもできる。更にポリアミド酸溶液をアルミニウ
ム、ステンレス等の金属基板やガラス、アルミナ、酸化
ケイ素等の無機質基板等に塗布した後、公知の方法でポ
リイミドの塗膜として得ることも出来る。The polyimide of the present invention can be obtained as a film by the above-mentioned imidization method. Alternatively, it can be obtained as a solid powder and then made into a molded body by a known method. Furthermore, since the polyimide of the present invention is easily dissolved in concentrated sulfuric acid or fuming sulfuric acid, it can also be made into fibers and the like. Furthermore, after applying the polyamic acid solution to a metal substrate such as aluminum or stainless steel, or an inorganic substrate such as glass, alumina, or silicon oxide, a polyimide coating film can be obtained by a known method.
本発明のポリイミドは、光電変換機能、強磁性、ガスセ
ンシング等の機能を有する新規な単分子膜もしくは単分
子累積膜を提供することが出来、光電変換素子、記録・
記憶素子、ガスセンサー等として有用である。The polyimide of the present invention can provide a novel monomolecular film or monomolecular cumulative film having functions such as photoelectric conversion function, ferromagnetism, and gas sensing, and can provide photoelectric conversion elements, recording and
It is useful as a memory element, a gas sensor, etc.
本発明のポリイミドにはそれ自体公知の処方に従い周知
の配合剤、例えば酸化防止剤、熱安定剤、紫外線吸収剤
、着色剤、充填剤等を配合してもよい。The polyimide of the present invention may be blended with well-known compounding agents such as antioxidants, heat stabilizers, ultraviolet absorbers, colorants, fillers, etc. according to known formulations.
以下実施例によって本発明の詳細な説明するが、本発明
はその要旨を越えぬ限り、下記実施例によって限定され
るものではない。EXAMPLES The present invention will be described in detail below with reference to Examples, but the present invention is not limited to the following Examples unless the gist thereof is exceeded.
実施例／
３００ ｍｌの四つロフラスコに５．／左−ジ（≠−ア
ミノフェニル）−ジフェニルポルフィリン３．９７乙ｇ
（９，−２１−ｇ ｍｍｏｌ ）及びジメチルアセト
アミド／θＯｍｌを仕込み、均一溶液とした後、ピロメ
リット酸二無水物Ｊ Ｏコｘｇ（９，２ｂ ｇ ｍｍｏ
ｌ ）を加え、室温で、７．２時間反応し、粘稠ポリマ
ー溶液を得た。このポリマーのηｉｎｈはＯ，グＳであ
った。Example/5. In a 300 ml four-loop flask. /Left-di(≠-aminophenyl)-diphenylporphyrin 3.97 g
(9,-21-g mmol) and dimethylacetamide/θOml were prepared to make a homogeneous solution, and then pyromellitic dianhydride JOxg (9,2b g mmol) was prepared.
l ) was added and reacted at room temperature for 7.2 hours to obtain a viscous polymer solution. The ηinh of this polymer was O, S.
赤外線吸収スペクトルからＪ ＆ ００ｃｒＩＬ−ｒの
アミド酸の吸収が認められた。Absorption of amic acid of J & 00crIL-r was observed from the infrared absorption spectrum.
このポリアミド酸溶液をガードナー社製ドクターナイフ
にてガラス板上に薄膜を形成し、７２０℃、７０分間熱
風乾燥炉中にて乾燥した。A thin film of this polyamic acid solution was formed on a glass plate using a doctor knife manufactured by Gardner, and dried in a hot air drying oven at 720°C for 70 minutes.
次いでこの半乾燥フィルムを金属枠に固定し、更に、ｉ
ｘｏ℃より２ｋＯ℃まで７５分間で加熱昇温し、最後に
３３０’Ｃ’１分間熱処理を行い、ポリイミドフィルム
を得た。Next, this semi-dry film was fixed on a metal frame, and further i
The temperature was raised from xo°C to 2kO°C over 75 minutes, and finally heat treated at 330'C' for 1 minute to obtain a polyimide film.
このフィルムの赤外吸収スペクトルは、／７’）！；、
７９θぼ−１にイミドの吸収がみられ、Ｊ ’Ｉ Ｏｏ
ｃｆｒＬ−’のアミド酸の吸収が完全になくなっていた
。このポリイミドフィルムを９７％濃＃Ｌ酸に溶解し、
η□ｎｈを測定したところ、０．９７ｄｅ１９であった
。また熱分解開始温度はｔｔｓ。The infrared absorption spectrum of this film is /7')! ;,
Imide absorption is seen at 79θbo-1, and J'I Oo
The amic acid absorption of cfrL-' was completely eliminated. This polyimide film was dissolved in 97% concentrated #L acid,
When η□nh was measured, it was 0.97 de19. Moreover, the thermal decomposition starting temperature is tts.
℃であった。It was ℃.
上記ポリイミドの元素分析値は以下の通りであった。The elemental analysis values of the polyimide were as follows.
実測値（％） 計算値（％）
Ｃ７４，ＩＩｏ ７ｇ、’ＩダＨ３，、？ ｔ
Ｉ３． Ａ ｌ。Actual value (%) Calculated value (%) C74, IIo 7g, 'I da H3,...? t
I3. Al.
Ｎ ｑｌｇ ！； ／ ０． ／ Ａ実
施例コ
３θθｍｌの四つロフラスコに、タ、１０−ジ（４−ア
ミノフェニル）−ジフェニルポルフィリンｊ、ｑ７ ｉ
ｇ（ｑ、２ Ａ Ａ’ｍｍ０１ ）及びジメチルアセト
アミド１００ｍ１を仕込み均一溶液とした後、ピロメリ
ット酸二無水物２．０２３ｇ（９，２４ｇ ｍｍｏｌ
）を加え、室温で、７２時間反応し粘稠ポリマー溶液を
得た。このポリマーのηｉｎｈは０．ｌＩ２であった。Nqlg! ; / 0. / Example A Into a 3θθml four-bottle flask, add ta, 10-di(4-aminophenyl)-diphenylporphyrin j, q7 i
g (q, 2 A A'mm01 ) and 100 ml of dimethylacetamide to make a homogeneous solution, then 2.023 g (9.24 g mmol) of pyromellitic dianhydride
) and reacted at room temperature for 72 hours to obtain a viscous polymer solution. The ηinh of this polymer is 0. It was lI2.
赤外線吸収スペクトルから、３’１００ｃｍ−”にアミ
ド酸の吸収が認められた。From the infrared absorption spectrum, absorption of amic acid was observed at 3'100 cm-''.
このポリアミド酸溶液に無水酢酸ｓ９、インキノリン０
３ ｆ及びジメチルアセトアミドタ２からなる溶液を加
え、１０℃に加熱し、イミド化した。析出したポリマー
粉末を回収、洗浄、乾燥した。In this polyamic acid solution, acetic anhydride s9, inquinoline 0
A solution consisting of 3F and dimethylacetamide 2 was added and heated to 10°C to imidize. The precipitated polymer powder was collected, washed, and dried.
このポリマーの赤外吸収スペクトルは、／７７ｊ、７り
ｏｃｍ にイミドの吸収がみられ、３１ＡＯＯｃｍ
のアミド酸の吸収は完全になくなっていた。このポリ
マーのηｉｎｈは、Ｏ０弘≠ｄ／／２であり、熱分解開
始温度は≠≠Ｏ℃であった。また元素分析値は以下のと
おりであった。The infrared absorption spectrum of this polymer shows imide absorption at /77j, 7 occm, and 31 AOOcm.
Absorption of amic acid had completely disappeared. The ηinh of this polymer was O0hiro≠d//2, and the thermal decomposition initiation temperature was ≠≠O°C. The elemental analysis values were as follows.
実測値（％） 計算値 Ｃ７７，３３７Ｊ’、弘≠ Ｈ３，弘２ ３．ｔ６Actual value (%) Calculated value C77,337J', Hiro≠ H3, Ko 2 3. t6
Claims (1)
・・・〔 I 〕 （式中Ｒ＾１は４価の有機基、Ｒ＾２は以下のポルフィ
リン環 ▲数式、化学式、表等があります▼ ▲数式、化学式、表等があります▼ を含む２価の有機基を示す） で表される反復単位からなり、ジメチルアセトアミド０
．５ｇ／ｄｌの濃度、かつ、３０℃の温度で測定した対
数粘度（η＿ｉ＿ｎ＿ｈ）が０．１〜５ｄｌ／ｇである
ことを特徴とするポリアミド酸。 ２、下記一般式〔II〕 ▲数式、化学式、表等があります▼・・・・・・・・・
〔II〕 （式中Ｒ＾１、Ｒ＾２は前記一般式〔 I 〕と同義であ
る）で表わされる反復単位からなり、９７％濃硫酸中０
．５ｇ／ｄｌの濃度、かつ、３０℃の温度で測定した対
数粘度（η＿ｉ＿ｎ＿ｈ）が０．１〜５ｄｌ／ｇである
ことを特徴とするポリイミド。[Claims] 1. The following general formula [I] ▲There are mathematical formulas, chemical formulas, tables, etc.▼・・・・・・・・・
...[I] (In the formula, R^1 is a tetravalent organic group, R^2 is the following porphyrin ring ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ 2 containing (representing a valent organic group), and dimethylacetamide 0
．． A polyamic acid having a concentration of 5 g/dl and a logarithmic viscosity (η_i_n_h) of 0.1 to 5 dl/g measured at a temperature of 30°C. 2. The following general formula [II] ▲There are mathematical formulas, chemical formulas, tables, etc.▼・・・・・・・・・
[II] (In the formula, R^1 and R^2 have the same meanings as the above general formula [I]), consisting of a repeating unit represented by
．． A polyimide having a concentration of 5 g/dl and a logarithmic viscosity (η_i_n_h) measured at a temperature of 30° C. of 0.1 to 5 dl/g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7072388A JPH01242623A (en) | 1988-03-24 | 1988-03-24 | Polyamic acid and polyimide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7072388A JPH01242623A (en) | 1988-03-24 | 1988-03-24 | Polyamic acid and polyimide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01242623A true JPH01242623A (en) | 1989-09-27 |
Family
ID=13439757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7072388A Pending JPH01242623A (en) | 1988-03-24 | 1988-03-24 | Polyamic acid and polyimide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01242623A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01101330A (en) * | 1987-10-14 | 1989-04-19 | Kanegafuchi Chem Ind Co Ltd | Functional amphoteric polymeric compound and production thereof |
-
1988
- 1988-03-24 JP JP7072388A patent/JPH01242623A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01101330A (en) * | 1987-10-14 | 1989-04-19 | Kanegafuchi Chem Ind Co Ltd | Functional amphoteric polymeric compound and production thereof |
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