JPH01158037A - Production of polyazomethyne - Google Patents

Production of polyazomethyne

Info

Publication number
JPH01158037A
JPH01158037A JP22884387A JP22884387A JPH01158037A JP H01158037 A JPH01158037 A JP H01158037A JP 22884387 A JP22884387 A JP 22884387A JP 22884387 A JP22884387 A JP 22884387A JP H01158037 A JPH01158037 A JP H01158037A
Authority
JP
Japan
Prior art keywords
formula
polyazomethine
represented
group
diketone
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
Application number
JP22884387A
Other languages
Japanese (ja)
Inventor
Toshihiko Muneto
俊彦 宗藤
Masashi Miyazawa
賢史 宮澤
Toshihiko Matsumoto
利彦 松本
Juichi Kurosaki
黒崎 壽一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP22884387A priority Critical patent/JPH01158037A/en
Publication of JPH01158037A publication Critical patent/JPH01158037A/en
Pending legal-status Critical Current

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  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

PURPOSE:To obtain a polyazomethyne outstanding in heat resistance improved in moldability, by polycondensation between each specific tetrasilyldiamine and dialdehyde or diketone. CONSTITUTION:The objective polyazomethyne can be obtained by polycondensation pref. at 30-200 deg.C for 3-6hrs, in a solvent between. (A) a tetrasilyldiamine of formula I (X and Y are each >=1 carbocyclic six-membered ring; R<1> and R<2> are each lower alkyl)[e.g., N,N,N',N'-tetra(trimethylsilyl)- diamine, etc.] and (B) a dialdelyde or diketone of formula II (R<3> and R<4> are each H or lower allkyl) (e.g., phthalaldehyde).

Description

【発明の詳細な説明】 人、産業上の利用分野 本発明は耐熱性に優れた、しかも成形性の改善されたポ
リアゾメチンの製造法である。
DETAILED DESCRIPTION OF THE INVENTION Human and Industrial Fields of Use The present invention is a method for producing polyazomethine having excellent heat resistance and improved moldability.

B、従来の技術 芳香族ポリアゾメチンは、耐M性尋電気的・機械的性質
表どの点から興味ある高分子と考えられ、また一方にお
いてジアミンとジアルデヒドから脱水によって得られる
簡単な構造単位から構成されているなどの理由からポリ
アゾメチン合成の各種の方法が試みられている(たとえ
ば特開昭51−138800号、同59−113033
号)。
B. Prior Art Aromatic polyazomethine is considered to be an interesting polymer due to its M resistance, electrical and mechanical properties, and on the other hand, it is a simple structural unit obtained from diamines and dialdehydes by dehydration. Various methods for synthesizing polyazomethine have been attempted for reasons such as the structure of
issue).

しかしガから芳香族高分子に共通にみられる慇点、す彦
わち重合反応の初期段階で溶媒不溶となり系外に沈澱し
、高分子量に成長せず、また不融であるため、その成形
、成膜性に雑煮がある。
However, there is a point commonly found in aromatic polymers, that is, they become insoluble in the solvent at the initial stage of the polymerization reaction, precipitate out of the system, do not grow to a high molecular weight, and are infusible, so their formation , there is a problem with film forming properties.

C0発明が解決しようとする問題点 本発明はその成形、成膜性を改善したものである。Problems that C0 invention attempts to solve The present invention improves the molding and film forming properties.

D0問題点を解決するための手段 本発明は下記(1)式で示されるテトラシリルジアミン
と(II)式で示されるジアルデヒドまたはジケトンを
重縮合することを特徴とするポリアゾメチンの製造法で
ある。
Means for solving the D0 problem The present invention is a method for producing polyazomethine, which is characterized by polycondensing a tetrasilyl diamine represented by the following formula (1) and a dialdehyde or diketone represented by the formula (II). be.

(R”5Si) N−X−N(SiR23)     
・・・・・・・・・(1)(1)式で示されるテトラシ
リルジアミンと(II)式で示されるジアルデヒドま九
はジケトンの重縮合は溶媒中30〜200℃、3〜6時
間の条件下で行なわれる。
(R”5Si) N-X-N(SiR23)
・・・・・・・・・(1) The polycondensation of the tetrasilyl diamine represented by the formula (1) and the dialdehyde or diketone represented by the formula (II) is carried out in a solvent at 30 to 200°C, 3 to 6 It is carried out under the conditions of time.

ここで溶媒としては、代表的にはN−メチル−2−ピロ
リドン(NMP)が用いられ、七ツマー濃度は10 M
4〜50−mチである。さらKこの反応蜂 は無触媒下で行なわれる。
Here, N-methyl-2-pyrrolidone (NMP) is typically used as the solvent, and the heptamine concentration is 10 M.
It is 4 to 50 meters long. Furthermore, this reaction is carried out without a catalyst.

このようにして得られた粘性ある液体を、反応生成物を
再沈澱することなく、ガラス板上にキャストし、溶媒を
加熱除去することによシガラス板よシ剥離させ、強靭な
耐熱性にすぐれたポリアゾメチンフィルムを得ることが
できる。
The viscous liquid obtained in this way is cast onto a glass plate without re-precipitating the reaction product, and the solvent is removed by heating to peel off the glass plate. A polyazomethine film can be obtained.

前記(I)で示されるテトラシリルジアミンのX1R1
、R2の代表的な例としては次のようなものがあげられ
る。
X1R1 of the tetrasilyldiamine represented by (I) above
, R2 include the following.

+502K)、()(X なる群から選ばれ1歇 R1%R2は炭素纂子1〜10の低級アルキル基(メチ
ル−、エチル7、プロピル−、ペンチル−ナトの直鎖状
または分岐状アルキル基)なる群から選ばれる。
+502K), ( ) ( ) is selected from the group.

また前記(It)で示されるジアルデヒドまたはジケト
ンの7%R3、R4の代表的な例としては次のよう表も
のがあげられる。
Further, as representative examples of 7% R3 and R4 of the dialdehyde or diketone represented by (It) above, the following table may be mentioned.

(とH・舎・()0舎o(X・ 杖 なる群から選ばれ 13 、R4は、水素原子、炭素原
÷1〜10の低級アルキル基(メチル−、エチル−、プ
ロピル−、ペンチル−などの直鎖状または分岐状アルキ
ル基)なる群から選ばれる。
selected from the group consisting of (and (straight-chain or branched alkyl groups).

(I)および(It)を重縮合、あるいはさらに重縮合
後キャストなどして得られるポリアゾメチンはこの反応
途中では、ポリアゾメチンの前駆体である、溶媒可溶性
の中間体が生成している可能性が大きい。この前駆体は
、キャスト、加熱することにより、アゾメチン基に化学
変化し、溶媒不溶のポリアゾメチン成形体を得る。
Polyazomethine obtained by polycondensation of (I) and (It) or casting after further polycondensation may generate a solvent-soluble intermediate, which is a precursor of polyazomethine, during this reaction. is large. This precursor is chemically changed into an azomethine group by casting and heating to obtain a solvent-insoluble polyazomethine molded article.

前記(1)および(II)中のX、Yは−または二以上
の炭素環式六員環基、とくに芳香環基であるが、該環基
の水素原子はアルキル基、アリール基、アラルキル基、
ハロゲン基、ニトロ基などの官能基によって置換されて
いてもよい。また該環基の炭素原子は窒素表どによって
置換されていてもよい。
In (1) and (II) above, X and Y are - or two or more carbocyclic six-membered ring groups, especially aromatic ring groups, and the hydrogen atom of the ring group is an alkyl group, aryl group, aralkyl group. ,
It may be substituted with a functional group such as a halogen group or a nitro group. Further, the carbon atoms of the ring group may be substituted with a nitrogen group or the like.

また芳香環基はオルト、メタ、パラの位置で結合される
が、通常はメタ、パラが多い。炭素環式六員環基、とく
に芳香環基が二基上存在する場合のそれぞれの基を結ぶ
基、す珍わち一@−@で表わされる式中のZは÷CH2
+mで示されるアルキレン基、酸素原子、あるいは酸素
、窒素、硫黄などを有する基であってもよいし、また場
合によっては2はなくてもよい。また芳香環基は締金環
式芳香族炭化水素基であってもよい。
Further, aromatic ring groups are bonded at the ortho, meta, and para positions, but usually the meta and para positions are more common. A carbocyclic six-membered ring group, especially a group connecting each group when two or more aromatic ring groups are present, that is, Z in the formula represented by 1@-@ is ÷CH2
It may be an alkylene group represented by +m, an oxygen atom, or a group containing oxygen, nitrogen, sulfur, etc., and 2 may be omitted depending on the case. Further, the aromatic ring group may be a clamped ring type aromatic hydrocarbon group.

本発明によ如得られるポリアゾメチンは芳香族シッフベ
ースを含む高分子であシ、耐熱性に優れ、さらに成形性
が改善されているが、重縮合にあたっては前記(1)、
(II)成分に加えて、他の重縮合成分を、本発明の目
的が阻害されない程度に使用することは自由である。
The polyazomethine obtained according to the present invention is a polymer containing an aromatic Schiff base, has excellent heat resistance, and has improved moldability.
In addition to component (II), other polycondensation components may be used freely to the extent that the object of the present invention is not impaired.

本発明においては前記(1)、  (II)成分を!縮
合して得た粘性の液体からキャストなどによシ成形体を
得るが、ここで成形体とはフィルム、繊維、シート、板
、棒などある。これらの成形体は耐熱性、電気的適性、
さらには機械的適性の要求される用途に使用される。
In the present invention, the above (1) and (II) components are used! A molded product is obtained by casting or the like from the viscous liquid obtained by condensation, and the molded product here includes films, fibers, sheets, plates, rods, etc. These molded bodies have high heat resistance, electrical suitability,
Furthermore, it is used in applications requiring mechanical aptitude.

次に実施例によシ本発明をさらに説明する。Next, the present invention will be further explained with reference to Examples.

F、実施例 実施例1〜5 ルシリル)ジアミンに溶媒としてテトラヒドロフラン(
THF)を用い、2.5当量の臭化エチルマグネシウム
(EtMgBr)と3時間、窒素気流で還流した。その
後、3当量のトリメチルクロロシラン((CH3)35
tCIりを加え、さらに4時間還流した。
F, Examples Examples 1 to 5 Tetrahydrofuran (
THF) and refluxed with 2.5 equivalents of ethylmagnesium bromide (EtMgBr) for 3 hours in a nitrogen stream. Thereafter, 3 equivalents of trimethylchlorosilane ((CH3)35
tCI was added and the mixture was refluxed for an additional 4 hours.

反応終了後、室温でしばらく放置し、Mgcl!Brを
析出させた。それをF別し、p液を濃縮し、減圧蒸留を
し、生成物を得た。さらにN、N−ジメチルホルムアミ
ド(DMF)に、!ニジ再結晶し、精製することによシ
、目的のN、N、N’、N’−テトラ(トリメチルシリ
ル)ジアミンを得た。
After the reaction is completed, leave it for a while at room temperature, then Mgcl! Br was precipitated. It was separated by F, and the p liquid was concentrated and distilled under reduced pressure to obtain a product. Furthermore, to N,N-dimethylformamide (DMF),! The desired N,N,N',N'-tetra(trimethylsilyl)diamine was obtained by di-recrystallization and purification.

ここでXとしては次のものを使用した。Here, the following was used as X.

以下余白 N、 N、 N’、 N’ テトラ(トリメチルシリル
)ジアミン(0,005モル)とフタルアルデヒド(0
,005モル)を当量混合し溶媒としてNMP−水素(
NMP : H20= 98 : 2 (重ii′チ)
)10+z/で窒素雰囲気下、30°C148時間反応
させ、その後さらにNMPに対し約5%の水を加えたも
の(NMP : H20中93ニア (重量%))を遣
流し、30分反応させた。その反応溶液をガラス板上に
キャストし、100℃で乾燥することによりポリアゾメ
チンフィルムを得た。これを図式で表わすと次のとおシ
となる。
Below are blank spaces N, N, N', N' tetra(trimethylsilyl)diamine (0,005 mol) and phthalaldehyde (0
,005 mol) were mixed in equivalent amounts and NMP-hydrogen (
NMP: H20 = 98: 2 (heavy ii'ch)
) 10+z/ in a nitrogen atmosphere at 30°C for 148 hours, and then a mixture of NMP and approximately 5% water (NMP: 93 nia (wt%) in H20) was poured in and reacted for 30 minutes. . The reaction solution was cast on a glass plate and dried at 100°C to obtain a polyazomethine film. This can be expressed graphically as follows.

NMP −H20/30℃、48時間−NMP−820
/還流0.5時間結果を表1に示す。
NMP-H20/30°C, 48 hours-NMP-820
/Reflux for 0.5 hours The results are shown in Table 1.

工 なお実施例2で得られた重合体のσRスペクトルを図1
に示すが、それによシその重合体がポリ(m−キンリリ
テンーm−)ユニレンジアミン)であることが確認され
た。
Figure 1 shows the σR spectrum of the polymer obtained in Example 2.
However, it was confirmed that the polymer was poly(m-quinryritene-m-)unilene diamine).

また各実施例で得られている重合体は溶剤可溶性中間体
を経由していると考えられる。
Furthermore, it is thought that the polymers obtained in each example were produced via a solvent-soluble intermediate.

以下余白 G0発明の効果 本発明により、成形性の改善されたポリアゾメチンを得
ることができる。したがってポリアゾメチンが本来有し
ている優れた耐熱性、機械的性質に加え、優れた成形性
を併せ有することになったので、今後耐熱性、機械的性
質の要求される分野において多いに期待できる。
Margin G0 Below Effects of the Invention According to the present invention, polyazomethine with improved moldability can be obtained. Therefore, in addition to the excellent heat resistance and mechanical properties that polyazomethine inherently possesses, it also has excellent moldability, so it can be expected to be used in many fields that require heat resistance and mechanical properties in the future. .

【図面の簡単な説明】[Brief explanation of the drawing]

添付図面は、実施例2で得られたポリマーフィルムの赤
外吸収スペクトルである。 特許出願人 株式会社 り ラ し
The attached drawing is an infrared absorption spectrum of the polymer film obtained in Example 2. Patent applicant RiRa Shi Co., Ltd.

Claims (2)

【特許請求の範囲】[Claims] (1)下記( I )式で示されるテトラシリルジアミン
と(II)式で示されるジアルデヒドまたはジケトンを重
縮合することを特徴とするポリアゾメチンの製造法。 (R^1_3Si)_2N−X−N(SiR^2_3)
_2………( I )▲数式、化学式、表等があります▼
………(II) 〔XおよびYは一以上の炭素環式六員環基であり、Xお
よびYは同一または異なる基で ある。R^1およびR^2は低級アルキル基であり、R
^1およびR^2は同一または異なる基である。 R^3およびR^4は水素または低級アルキル基であり
、R^3およびR^4は同一または異なる基である。〕
(1) A method for producing polyazomethine, which comprises polycondensing a tetrasilyl diamine represented by the following formula (I) and a dialdehyde or diketone represented by the formula (II). (R^1_3Si)_2N-X-N(SiR^2_3)
_2……(I)▲There are mathematical formulas, chemical formulas, tables, etc.▼
......(II) [X and Y are one or more carbocyclic six-membered ring groups, and X and Y are the same or different groups. R^1 and R^2 are lower alkyl groups, R
^1 and R^2 are the same or different groups. R^3 and R^4 are hydrogen or lower alkyl groups, and R^3 and R^4 are the same or different groups. ]
(2)( I )式で示されるテトラシリルジアミンと(
II)式で示されるジアルデヒドまたはジケトンを溶媒中
、30〜200℃、3〜6時間重縮合する特許請求の範
囲第1項記載のポリアゾメチンの製造法。
(2) Tetrasilyldiamine represented by the formula (I) and (
The method for producing polyazomethine according to claim 1, wherein the dialdehyde or diketone represented by formula II) is polycondensed in a solvent at 30 to 200°C for 3 to 6 hours.
JP22884387A 1987-09-11 1987-09-11 Production of polyazomethyne Pending JPH01158037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22884387A JPH01158037A (en) 1987-09-11 1987-09-11 Production of polyazomethyne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22884387A JPH01158037A (en) 1987-09-11 1987-09-11 Production of polyazomethyne

Publications (1)

Publication Number Publication Date
JPH01158037A true JPH01158037A (en) 1989-06-21

Family

ID=16882734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22884387A Pending JPH01158037A (en) 1987-09-11 1987-09-11 Production of polyazomethyne

Country Status (1)

Country Link
JP (1) JPH01158037A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009179747A (en) * 2008-01-31 2009-08-13 Sekisui Chem Co Ltd New azomethine composition, its molded article, and electronic device containing it
WO2014084310A1 (en) * 2012-11-28 2014-06-05 日立化成株式会社 Amino-modified siloxane compound, modified imide resin, thermosetting resin composition, prepreg, resin-equipped film, laminated plate, multilayer printed circuit board, and semiconductor package

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009179747A (en) * 2008-01-31 2009-08-13 Sekisui Chem Co Ltd New azomethine composition, its molded article, and electronic device containing it
WO2014084310A1 (en) * 2012-11-28 2014-06-05 日立化成株式会社 Amino-modified siloxane compound, modified imide resin, thermosetting resin composition, prepreg, resin-equipped film, laminated plate, multilayer printed circuit board, and semiconductor package
JPWO2014084310A1 (en) * 2012-11-28 2017-01-05 日立化成株式会社 Amino-modified siloxane compound, modified imide resin, thermosetting resin composition, prepreg, film with resin, laminate, multilayer printed wiring board, and semiconductor package

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