JPH0755928B2 - Imide ring-containing diamines and method for producing the same - Google Patents

Imide ring-containing diamines and method for producing the same

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Publication number
JPH0755928B2
JPH0755928B2 JP24712085A JP24712085A JPH0755928B2 JP H0755928 B2 JPH0755928 B2 JP H0755928B2 JP 24712085 A JP24712085 A JP 24712085A JP 24712085 A JP24712085 A JP 24712085A JP H0755928 B2 JPH0755928 B2 JP H0755928B2
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Prior art keywords
hydrocarbon group
reaction
aromatic hydrocarbon
group
general formula
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Japanese (ja)
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JPS62108862A (en
Inventor
正司 玉井
桂三郎 山口
賢一 杉本
良満 田辺
彰宏 山口
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三井東圧化学株式会社
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  • Epoxy Resins (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Indole Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Polyurethanes Or Polyureas (AREA)

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、新規なイミド環含有ジアミン類およびその製
造方法に関する。
TECHNICAL FIELD The present invention relates to novel imide ring-containing diamines and a method for producing the same.

更に、詳細には、一般式(I) (式中、Rは、炭素数2以上の脂肪族炭化水素基、環式
脂肪族炭化水素基、単環式芳香族炭化水素基、縮合多環
式芳香族炭化水素基、芳香族炭化水素基が直接又は架橋
員により相互に連結された非縮合多環式芳香族炭化水素
基からなる群より選ばれた4価の基を示す)で表される
イミド環含有ジアミン類およびその製造方法に関する。
More specifically, the general formula (I) (In the formula, R is an aliphatic hydrocarbon group having 2 or more carbon atoms, a cycloaliphatic hydrocarbon group, a monocyclic aromatic hydrocarbon group, a condensed polycyclic aromatic hydrocarbon group, an aromatic hydrocarbon group. Represents a tetravalent group selected from the group consisting of non-condensed polycyclic aromatic hydrocarbon groups which are connected to each other directly or by a cross-linking member) and a method for producing the same.

前記一般式(I)で表される新規イミド環含有ジアミン
類は、耐熱性高分子のモノマー、特に、ポリイミド、ポ
リアミドイミドなどの原料成分として、また、エポキシ
樹脂の硬化剤として有用な物質となることが期待され
る。例えば、従来、コポリイミドを製造する場合、
(i)一定の繰り返し単位を有するポリイミドを混合す
る、(ii)ポリイミドの前駆体であるポリアミド酸の段
階で混合する、(iii)モノマーの段階で混合し、それ
を反応原料として重合する、などの方法があった。
The novel imide ring-containing diamines represented by the general formula (I) are substances useful as raw material components for heat-resistant polymer monomers, particularly polyimide, polyamideimide, etc., and as curing agents for epoxy resins. It is expected. For example, conventionally, when producing copolyimide,
(I) Mixing a polyimide having a certain repeating unit, (ii) mixing at the stage of polyamic acid which is a precursor of polyimide, (iii) mixing at the stage of monomer and polymerizing it as a reaction raw material, etc. There was a way.

(i)、(ii)の場合、得られたポリマーはブロツク共
重合体となり、常に一定の性能を有するポリマーを再現
性よく得るには、配合比、相互溶解性等の条件を細かに
設定する必要がある。又、(iii)の方法で得られるポ
リイミドも、ランダム共重合体のポリマー構造となり
(i)、(ii)の場合と同様な問題点を有していた。
In the cases of (i) and (ii), the obtained polymer becomes a block copolymer, and in order to obtain a polymer having a constant performance with good reproducibility, the conditions such as the compounding ratio and the mutual solubility are finely set. There is a need. Further, the polyimide obtained by the method (iii) also has a polymer structure of a random copolymer and has the same problems as in the cases (i) and (ii).

しかし、本発明の化合物は既にモノマー骨格の中にイミ
ド環を含有しているジアミン類であり、これをモノマー
として用い、テトラカルボン酸二無水物を選定すること
により、異なったイミド構造を交互に含有するコポリイ
ミドを製造することができる。
However, the compound of the present invention is a diamine which already contains an imide ring in the monomer skeleton, and by using this as a monomer, tetracarboxylic dianhydride is selected to alternate different imide structures. A copolyimide containing can be produced.

また、エポキシ樹脂の硬化剤としては、従来、ジアミン
類、ジフエノール類等が用いられたが、本発明のイミド
環を含有するジアミン類を硬化剤として用いることによ
り、エポキシ樹脂中に耐熱性の優れたイミド骨格を導入
することが可能となり、エポキシ樹脂の耐熱性向上に大
きく役立つことが期待出来る。
Further, as the curing agent for the epoxy resin, conventionally, diamines, diphenols, etc. have been used, but by using the imide ring-containing diamines of the present invention as the curing agent, the epoxy resin has excellent heat resistance. It is possible to introduce a new imide skeleton, and it can be expected to greatly contribute to improving the heat resistance of the epoxy resin.

(従来の技術) 従来、前記一般式(I)で表される新規イミド環含有ジ
アミン類は全く知られていない。したがって、その製造
方法も知られていない。
(Prior Art) Conventionally, no novel imide ring-containing diamine represented by the general formula (I) is known. Therefore, its manufacturing method is not known.

すなわち、エポキシ樹脂硬化剤としてブタンテトラカル
ボン酸二無水物と各種ジアミンとからなるイミド環を含
有するジアミン組成物およびそれらの製造方法は知られ
ている(特開昭49-97900、特開昭50-51600)。しかし、
反応原料としてm−アミノベンジルをジアミン成分とし
て用いる例はなく、また、単量体としてのイミド環含有
ジアミン類を製造する方法は全く知られていない。
That is, a diamine composition containing an imide ring composed of butanetetracarboxylic dianhydride and various diamines as an epoxy resin curing agent and a method for producing them are known (JP-A-49-97900, JP-A-50). -51600). But,
There is no example of using m-aminobenzyl as a diamine component as a reaction raw material, and a method for producing an imide ring-containing diamine as a monomer has not been known at all.

(発明が解決しようとする問題点) 本発明の目的は、耐熱性高分子の原料として有用な前記
一般式(I)で表される新規イミド環含有ジアミン類お
よびその製造方法を提供することである。
(Problems to be Solved by the Invention) An object of the present invention is to provide a novel imide ring-containing diamine represented by the general formula (I), which is useful as a raw material for a heat-resistant polymer, and a method for producing the same. is there.

(問題点を解決するための手段) 本発明者等は前記目的を達成するために、鋭意検討し、
本発明を完成するに到った。
(Means for Solving Problems) The inventors of the present invention have made diligent studies in order to achieve the above object,
The present invention has been completed.

すなわち、本発明は、一般式(I) (式中、Rは、炭素数2以上の脂肪族炭化水素基、環式
脂肪族炭化水素基、単環式芳香族炭化水素基、縮合多環
式芳香族炭化水素基、芳香族炭化水素基が直接又は架橋
員により相互に連結された非縮合多環式芳香族炭化水素
基からなる群より選ばれた4価の基を示す)で表される
イミド環含有ジアミン類、および、一般式(II) (式中、Rは、一般式(I)の場合とおなじ意味を示
す)で表されるテトラカルボン酸二無水物と、m−アミ
ノベンジルアミンを有機極性溶媒中で反応せしめること
を特徴とする前記一般式(I)で表されるイミド環含有
ジアミン類の製造方法である。
That is, the present invention has the general formula (I) (In the formula, R is an aliphatic hydrocarbon group having 2 or more carbon atoms, a cycloaliphatic hydrocarbon group, a monocyclic aromatic hydrocarbon group, a condensed polycyclic aromatic hydrocarbon group, an aromatic hydrocarbon group. Represents a tetravalent group selected from the group consisting of non-condensed polycyclic aromatic hydrocarbon groups which are linked to each other directly or by a cross-linking member), and an imide ring-containing diamine represented by the general formula ( II) (Wherein R has the same meaning as in the case of the general formula (I)) and tetracarboxylic dianhydride and m-aminobenzylamine are reacted in an organic polar solvent. It is a method for producing an imide ring-containing diamine represented by the general formula (I).

本発明の新規なイミド環含有ジアミン類を製造する方法
はつぎの通りである。
The method for producing the novel imide ring-containing diamines of the present invention is as follows.

この方法において原料として使用されるテトラカルボン
酸二無水物としては、例えば、エチレンテトラカルボン
酸二無水物、シクロペンタンカルボン酸二無水物、ピロ
メリツト酸二無水物、3,3′,4,4′−ベンゾフエノンテ
トラカルボン酸二無水物、2,2′,3,3′−ベンゾフエノ
ンテトラカルボン酸二無水物、3,3′,4,4′−ビフエニ
ルテトラカルボン酸二無水物、2,2′,3,3′−ビフエニ
ルテトラカルボン酸二無水物、2,2−ビス(3,4−ジカル
ボキシフエニル)プロパン二無水物、2,2−ビス(2,3−
ジカルボキシフエニル)プロパン二無水物、ビス(3,4
−ジカルボキシフエニル)エーテル二無水物、ビス(3,
4−ジカルボキシフエニル)スルホン二無水物、1,1−ビ
ス(2,3−ジカルボキシフエニル)エタン二無水物、ビ
ス(2,3−ジカルボキシフエニル)メタン二無水物、ビ
ス(3,4−ジカルボキシフエニル)メタン二無水物、2,
3,6,7−ナフタレンテトラカルボン酸二無水物、1,4,5,8
−ナフタレンテトラカルボン酸二無水物、1,2,5,6−ナ
フタレンテトラカルボン酸二無水物、1,2,3,4−ベンゼ
ンテトラカルボン酸二無水物、3,4,9,10−ペリレンテト
ラカルボン酸二無水物、2,3,6,7−アントラセンテトラ
カルボン酸二無水物、1,2,7,8−フエナントレンテトラ
カルボン酸二無水物等が挙げられる。
Examples of the tetracarboxylic acid dianhydride used as a raw material in this method include, for example, ethylene tetracarboxylic acid dianhydride, cyclopentanecarboxylic acid dianhydride, pyromellitic acid dianhydride, 3,3 ′, 4,4 ′. -Benzophenone tetracarboxylic acid dianhydride, 2,2 ', 3,3'-benzophenone tetracarboxylic acid dianhydride, 3,3', 4,4'-biphenyl tetracarboxylic acid dianhydride, 2,2 ', 3,3'-biphenyltetracarboxylic dianhydride, 2,2-bis (3,4-dicarboxyphenyl) propane dianhydride, 2,2-bis (2,3-
Dicarboxyphenyl) propane dianhydride, bis (3,4
-Dicarboxyphenyl) ether dianhydride, bis (3,
4-dicarboxyphenyl) sulfone dianhydride, 1,1-bis (2,3-dicarboxyphenyl) ethane dianhydride, bis (2,3-dicarboxyphenyl) methane dianhydride, bis ( 3,4-dicarboxyphenyl) methane dianhydride, 2,
3,6,7-naphthalenetetracarboxylic dianhydride, 1,4,5,8
-Naphthalene tetracarboxylic dianhydride, 1,2,5,6-naphthalene tetracarboxylic dianhydride, 1,2,3,4-benzenetetracarboxylic dianhydride, 3,4,9,10-perylene Examples thereof include tetracarboxylic acid dianhydride, 2,3,6,7-anthracene tetracarboxylic acid dianhydride, and 1,2,7,8-phenanthrenetetracarboxylic acid dianhydride.

また、この製造方法で用いられる反応原料のジアミン化
合物は、m−アミノベンジルアミンであり、この化合物
は同一分子内に塩基性の異なる脂肪族アミノ基と芳香族
アミノ基を有している特異なジアミン化合物である。
Further, the diamine compound as a reaction raw material used in this production method is m-aminobenzylamine, and this compound is a unique compound having an aliphatic amino group and an aromatic amino group having different basicities in the same molecule. It is a diamine compound.

これら原料化合物の使用量はテトラカルボン酸二無水物
に対してm−アミノベンジルアミンが2倍モル以上あれ
ば良く、好ましくは、2-3倍モルで十分である。
The amount of the raw material compound used may be 2 times or more moles of m-aminobenzylamine with respect to the tetracarboxylic dianhydride, and preferably 2-3 times moles.

前記一般式(II)で表されるテトラカルボン酸二無水物
と、m−アミノベンジルアミンを有機極性溶媒中で反応
せしめると、つぎの一般式(III) (式中、Rは一般式(I)の場合とおなじ意味を示す)
で表される中間体であるアミド酸含有ジアミン類化合物
が生成する反応(以下、第1工程の反応と云う)と、さ
らに、この一般式(III)で表されるアミド酸含有ジア
ミン類化合物を分子内脱水反応をさせて、前記一般式
(I)で表される新規イミド環含有ジアミン化合物を製
造する反応(以下、第2工程の反応と云う)の2段の反
応より成る。
When tetracarboxylic dianhydride represented by the general formula (II) is reacted with m-aminobenzylamine in an organic polar solvent, the following general formula (III) is obtained. (In the formula, R has the same meaning as in the general formula (I))
A reaction in which an amic acid-containing diamine compound which is an intermediate represented by the formula (hereinafter referred to as the reaction of the first step) is generated, and further, an amic acid-containing diamine compound represented by the general formula (III) It comprises a two-step reaction of an intramolecular dehydration reaction to produce a novel imide ring-containing diamine compound represented by the general formula (I) (hereinafter referred to as the reaction of the second step).

この反応に用いられる溶媒、即ち、第1の工程のアミド
酸含有ジアミン類化合物を合成するのに用いられる溶媒
は、反応原料であるジアミンおよび酸無水物と反応しな
い有機極性溶媒であり、生成物であるアミド酸含有ジア
ミン類が可溶であることの外に、反応原料の少なくとも
一方、好ましくは両方とも溶解する、例えば、前記第1
の工程の反応に用いられる溶媒としては、N,N−ジメチ
ルアセトアミド、N,N−ジメチルホルムアミド、N−メ
チル−2−ピロリドン、1,3−ジメチル−2−イミダゾ
リジノン、N,N−ジエチルアセトアミド、N,N−ジメチル
メトキシアセトアミド、ヘキサメチルホスホルアミド、
テトラメチレン、テトラメチル尿素、ジメチルスルホキ
シド、ジメチルスルホン、テトラメチレンスルホン、ジ
メチルテトラメチレンスルホン等が挙げられる。
The solvent used for this reaction, that is, the solvent used for synthesizing the amic acid-containing diamine compound in the first step is an organic polar solvent that does not react with the reaction raw material diamine and acid anhydride, and the product In addition to being soluble in the amic acid-containing diamines, at least one, preferably both, of the reaction raw materials are soluble.
As the solvent used in the reaction of the step of, N, N-dimethylacetamide, N, N-dimethylformamide, N-methyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone, N, N-diethyl Acetamide, N, N-dimethylmethoxyacetamide, hexamethylphosphoramide,
Examples thereof include tetramethylene, tetramethylurea, dimethyl sulfoxide, dimethyl sulfone, tetramethylene sulfone, dimethyl tetramethylene sulfone and the like.

また、この反応の第2工程の反応、即ち、アミド酸から
イミドへの加熱による脱水環化工程には、一般式(II
I)で表されるアミド酸含有ジアミン類が反応せず、し
かも加熱脱水イミド化に要する温度、即ち、100-300
℃、好ましくは150-250℃まで加熱可能な溶媒ならば、
いかなる溶媒も使用可能であるが、取り扱い、操作の簡
便さ等の点で中間体のアミド酸含有ジアミン類を溶解し
得る上記記載の有機極性溶媒が好ましい。
In addition, in the reaction of the second step of this reaction, that is, in the dehydration cyclization step by heating amic acid to imide, the compound of the general formula (II
The amic acid-containing diamine represented by I) does not react, and the temperature required for dehydration by heating is 100-300.
℃, preferably a solvent that can be heated to 150-250 ℃,
Although any solvent can be used, the above-mentioned organic polar solvent capable of dissolving the intermediate amic acid-containing diamines is preferable in terms of handling, operation, and the like.

また、使用する溶媒量は、特に限定されないが、通常、
原料に対して1-10重量倍で十分である。
The amount of solvent used is not particularly limited, but usually
1-10 times the weight of the raw material is sufficient.

反応の実施に際しては、原料の装入方法など特に制限は
ないが、この反応は、特に、第1の工程の反応は実質上
無水の条件下で行うことが好ましく、予め溶媒中に含ま
れる水分を水と混和しないベンゼン、トルエン、キシレ
ン等の溶剤を用い共沸などの方法により除去し、その後
原料を窒素雰囲気下において装入することが好ましい。
In carrying out the reaction, there are no particular restrictions on the charging method of the raw materials, but this reaction is particularly preferably carried out under substantially anhydrous conditions in the reaction of the first step, and the water content previously contained in the solvent is preferably used. Is preferably removed by a method such as azeotropic distillation using a solvent such as benzene, toluene or xylene which is immiscible with water, and then the raw materials are charged in a nitrogen atmosphere.

反応は、通常、予め水分を除去した溶媒に窒素雰囲気下
において、m−アミノベンジルアミンを装入し、その
後、テトラカルボン酸二無水物を添加する方法である。
また、テトラカルボン酸二無水物の添加方法は、固体の
まま添加しても良いし、溶媒に溶解させたものを滴下す
る方法であっても何等差し支えない。
The reaction is usually a method in which m-aminobenzylamine is charged into a solvent from which water has been removed in advance under a nitrogen atmosphere, and then tetracarboxylic dianhydride is added.
The tetracarboxylic dianhydride may be added as a solid, or may be added dropwise as a solution in a solvent.

前記第1工程の反応においては、反応温度は、通常、50
℃以下、好ましくは、5℃以下である。反応圧力は特に
限定されず、常圧で十分実施出来る。
In the reaction of the first step, the reaction temperature is usually 50
C. or lower, preferably 5 ° C. or lower. The reaction pressure is not particularly limited and can be carried out at normal pressure.

また、反応時間は使用するテトラカルボン酸二無水物、
溶媒の種類および反応温度により異なり、通常、アミド
酸含有ジアミンの生成が完了するに十分な時間反応させ
る。通常、0.5-15時間である。
Further, the reaction time is tetracarboxylic dianhydride to be used,
Depending on the type of solvent and the reaction temperature, the reaction is usually carried out for a time sufficient to complete the formation of the amic acid-containing diamine. Usually 0.5-15 hours.

更に、第1工程の反応において得られるアミド酸含有ジ
アミンを加熱脱水環化してイミド環含有ジアミンとする
第2工程の反応においては、反応温度は、通常、100-30
0℃、好ましくは130-250℃である。反応圧力は特に限定
されず、常圧で十分実施出来る。また、反応時間は使用
するテトラカルボン酸二無水物、溶媒の種類および反応
温度により異なり、通常、イミド環含有ジアミンの生成
が完了するに十分な時間反応させる。通常、1-15時間で
十分である。
Further, in the reaction of the second step of heating and dehydrating the amic acid-containing diamine obtained in the reaction of the first step to the imide ring-containing diamine, the reaction temperature is usually 100-30
The temperature is 0 ° C, preferably 130-250 ° C. The reaction pressure is not particularly limited and can be carried out at normal pressure. The reaction time varies depending on the tetracarboxylic dianhydride used, the type of solvent and the reaction temperature, and the reaction is usually carried out for a time sufficient to complete the production of the imide ring-containing diamine. 1-15 hours is usually sufficient.

反応の終点は、赤外吸収スペクトルおよび高速液体クロ
マトグラフイーなどにより決定できる。反応終了後、冷
却し、目的生成物を濾別、或いは反応液をそのまま水中
に排出することにより、目的生成物の粗製品が得られ
る。
The end point of the reaction can be determined by infrared absorption spectrum and high performance liquid chromatography. After the completion of the reaction, the product is cooled and the desired product is filtered off, or the reaction solution is discharged as it is into water to obtain a crude product of the desired product.

(作用および効果) 本発明によれば、反応原料のジアミン化合物として、同
一分子内に塩基性の異なる脂肪族アミノ基と芳香族アミ
ノ基を有するm−アミノベンジルアミンを用いて、種々
のテトラカルボン酸二無水物と反応させる方法で比較的
容易に新規なイミド環含有ジアミン化合物を製造出来
る。
(Operation and Effect) According to the present invention, m-aminobenzylamine having an aliphatic amino group and an aromatic amino group having different basicities in the same molecule is used as a diamine compound as a reaction raw material, and various tetracarboxylic compounds are used. A novel imide ring-containing diamine compound can be produced relatively easily by a method of reacting with an acid dianhydride.

(実施例) 以下、本発明を実施例により具体的に説明する。(Examples) Hereinafter, the present invention will be specifically described with reference to Examples.

実施例1 攪拌機、還流冷却機、デイーン−シユタルクの水分離器
および窒素導入管を備えた容器にN−メチル−2−ピロ
リドン100mlおよびキシレン30mlを装入し、共沸脱水に
より溶媒中の水分を除去した後、室温に冷却し、窒素雰
囲気下において、m−アミノベンジルアミン12.2g(0.1
モル)を装入する。その後、−2℃まで冷却し、ピロメ
リツト酸二無水物 10.9g(0.05モル)を溶液温度を−2
-5℃の範囲に保って約1時間をかけて添加し、約30分攪
拌を続けた。
Example 1 100 ml of N-methyl-2-pyrrolidone and 30 ml of xylene were placed in a container equipped with a stirrer, a reflux condenser, a Dean-Syuttalk water separator and a nitrogen inlet tube, and water in the solvent was removed by azeotropic dehydration. After removal, the mixture was cooled to room temperature, and under a nitrogen atmosphere, 12.2 g (0.1
Mol). Then, the mixture was cooled to -2 ° C, and 10.9 g (0.05 mol) of pyromellitic dianhydride was added at a solution temperature of -2.
The mixture was added over about 1 hour while maintaining the temperature in the range of -5 ° C, and stirring was continued for about 30 minutes.

その後、反応溶液を加熱し、150-170℃で約2時間攪拌
を行った。反応終了後、冷却して、橙色針状晶のイミド
環含有ジアミンが析出してくる。
Then, the reaction solution was heated and stirred at 150 to 170 ° C. for about 2 hours. After the completion of the reaction, the reaction mixture is cooled and orange needle crystals of the diamine containing imide ring are deposited.

室温まで冷却した後、この針状晶を濾別し、10mlのN−
メチル−2−ピロリドンおよび10mlのメタノールで洗浄
した後、150℃、30mmHgで3時間減圧乾燥して、橙色針
状晶の目的物を得た。収量16.1g(収率81%) 橙色針状晶 mp 309-315℃(DTA分析) 元素分析 C H N 計算値(%)* 67.60 4.25 13.14 分析値(%) 67.84 4.15 13.07 *) C24H18N4O4として MS :426(M+)、320、106 IR(KBr.cm-1):3480と3390(NH2基) 1775 (イミド基) 実施例2 実施例1と同様な反応容器にN−メチル−2−ピロリド
ン100mlおよびキシレン30mlを装入し、共沸脱水により
溶媒中の水分を除去した後、室温に冷却し、窒素雰囲気
下において、m−アミノベンジルアミン12.2g(0.1モ
ル)を装入する。その後、−2℃まで冷却し、3,3′,4,
4′−ベンゾフェノンテトラカルボン酸二無水物 16.1g
(0.05モル)を溶液温度を−2-5℃の範囲に保って6約
1時間をかけて添加し、約30分攪拌を続けた。
After cooling to room temperature, the needle crystals were filtered off and 10 ml of N-
After washing with methyl-2-pyrrolidone and 10 ml of methanol, it was dried under reduced pressure at 150 ° C. and 30 mmHg for 3 hours to obtain orange needle crystals of the desired product. Yield 16.1 g (81% yield) Orange needle crystals mp 309-315 ℃ (DTA analysis) Elemental analysis CHN calculated value (%) * 67.60 4.25 13.14 Analytical value (%) 67.84 4.15 13.07 *) C 24 H 18 As N 4 O 4 MS: 426 (M + ), 320, 106 IR (KBr. Cm −1 ): 3480 and 3390 (NH 2 group) 1775 (imide group) Example 2 In a reaction vessel similar to Example 1. Charge 100 ml of N-methyl-2-pyrrolidone and 30 ml of xylene, remove water in the solvent by azeotropic dehydration, cool to room temperature, and under a nitrogen atmosphere, m-aminobenzylamine 12.2 g (0.1 mol) Charge. Then, cool down to -2 ° C, and remove 3,3 ', 4,
16.1 g of 4'-benzophenone tetracarboxylic dianhydride
(0.05 mol) was added over 6 hours while keeping the solution temperature in the range of -2-5 ° C, and stirring was continued for about 30 minutes.

その後、反応溶液を加熱し、150-170℃で約2時間攪拌
を行った。反応終了後、冷却して、これを水500mlに排
出し、結晶を濾過する。これに35%塩酸10.5gと50%ml
メタノール/水500mlを加えて加熱溶解し、活性炭2gを
加えて濾過後、アンモニア水により中和し、結晶を濾
過、水洗、乾燥して淡黄色結晶の目的物を得た。
Then, the reaction solution was heated and stirred at 150 to 170 ° C. for about 2 hours. After the reaction is complete, it is cooled, discharged into 500 ml of water and the crystals are filtered off. 35% hydrochloric acid 10.5g and 50% ml
Methanol / water (500 ml) was added and dissolved by heating, 2 g of activated carbon was added, and the mixture was filtered, neutralized with aqueous ammonia, and the crystals were filtered, washed with water and dried to obtain the target product as pale yellow crystals.

収量15.9g(収率60%) 淡黄色結晶 mp 234-238℃ 純度 99.0%(高速液体クロマトグラフイー分析によ
る) 元素分析値 C H N 計算値(%)* 70.19 4.15 10.57 分析値(%) 70.15 4.05 10.31 *)C31H22N4O5として MS :530(M+)、425 IR(KBr.cm-1):3490と3395(NH2基) 1780 (イミド基)
Yield 15.9g (Yield 60%) Light yellow crystal mp 234-238 ℃ Purity 99.0% (by high performance liquid chromatography analysis) Elemental analysis value CHN calculated value (%) * 70.19 4.15 10.57 Analysis value (%) 70.15 4.05 10.31 *) MS: 530 (M + ), 425 IR (KBr. Cm-1 ): 3490 and 3395 (NH 2 group) 1780 (imide group) as C 31 H 22 N 4 O 5

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】一般式(I) (式中、Rは、炭素数2以上の脂肪族炭化水素基、環式
脂肪族炭化水素基、単環式芳香族炭化水素基、縮合多環
式芳香族炭化水素基、芳香族炭化水素基が直接又は架橋
員により相互に連結された非縮合多環式芳香族炭化水素
基からなる群より選ばれた4価の基を示す) で表されるイミド環含有ジアミン類。
1. A general formula (I) (In the formula, R is an aliphatic hydrocarbon group having 2 or more carbon atoms, a cycloaliphatic hydrocarbon group, a monocyclic aromatic hydrocarbon group, a condensed polycyclic aromatic hydrocarbon group, an aromatic hydrocarbon group. Represents a tetravalent group selected from the group consisting of non-condensed polycyclic aromatic hydrocarbon groups which are linked to each other directly or by a crosslinking member).
【請求項2】一般式(II) (式中、Rは、炭素数2以上の脂肪族炭化水素基、環式
脂肪族炭化水素基、単環式芳香族炭化水素基、縮合多環
式芳香族炭化水素基、芳香族炭化水素基が直接又は架橋
員により相互に連結された非縮合多環式芳香族炭化水素
基からなる群より選ばれた4価の基を示す) で表されるテトラカルボン酸二無水物と、m−アミノベ
ンジルアミンを有機極性溶媒中で反応せしめることを特
徴とする、 一般式(I) (式中、Rは、一般式(II)の場合とおなじ意味を示
す) で表されるイミド環含有ジアミン類の製造方法。
2. General formula (II) (In the formula, R is an aliphatic hydrocarbon group having 2 or more carbon atoms, a cycloaliphatic hydrocarbon group, a monocyclic aromatic hydrocarbon group, a condensed polycyclic aromatic hydrocarbon group, an aromatic hydrocarbon group. Represents a tetravalent group selected from the group consisting of non-condensed polycyclic aromatic hydrocarbon groups which are linked to each other directly or by a cross-linking member)), and a m-amino tetracarboxylic acid dianhydride. A compound represented by the general formula (I), characterized in that benzylamine is reacted in an organic polar solvent. (In the formula, R has the same meaning as in the case of the general formula (II)) A method for producing an imide ring-containing diamine.
JP24712085A 1985-11-06 1985-11-06 Imide ring-containing diamines and method for producing the same Expired - Fee Related JPH0755928B2 (en)

Priority Applications (1)

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JPH0755928B2 true JPH0755928B2 (en) 1995-06-14

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AU647537B2 (en) * 1990-10-03 1994-03-24 Commonwealth Scientific And Industrial Research Organisation Epoxy resins based on diaminobisimide compounds
KR100332948B1 (en) * 1999-05-18 2002-04-18 김충섭 Novel tetracarboxylic dianhydrides, tetracarboxylic acid, tetracarboxylic acid dialkyl ester and methods for preparing them
JP4678142B2 (en) * 2004-05-25 2011-04-27 日産化学工業株式会社 Photosensitive resin composition of poly (amic acid-imide) copolymer having high transparency and cured film thereof
JP5884803B2 (en) 2012-11-20 2016-03-15 株式会社デンソー Gas sensor
TWI823863B (en) * 2017-08-23 2023-12-01 日商日產化學股份有限公司 Novel polymers and diamine compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10606128B2 (en) 2015-10-02 2020-03-31 Lg Chem, Ltd. Method for preparing photoalignment layer

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