JPH06145338A - Fluorocopolymer and its production - Google Patents

Fluorocopolymer and its production

Info

Publication number
JPH06145338A
JPH06145338A JP32131492A JP32131492A JPH06145338A JP H06145338 A JPH06145338 A JP H06145338A JP 32131492 A JP32131492 A JP 32131492A JP 32131492 A JP32131492 A JP 32131492A JP H06145338 A JPH06145338 A JP H06145338A
Authority
JP
Japan
Prior art keywords
ethylene oxide
trifluoropropylene
polymer
formula
benzene
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
JP32131492A
Other languages
Japanese (ja)
Inventor
Tokio Hagiwara
時男 萩原
Hiroshi Hamana
浩 浜名
Tadashi Narita
正 成田
Junko Umezawa
順子 梅沢
Keizo Furuhashi
敬三 古橋
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.)
Eneos Corp
Original Assignee
Japan Energy Corp
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 Japan Energy Corp filed Critical Japan Energy Corp
Priority to JP32131492A priority Critical patent/JPH06145338A/en
Publication of JPH06145338A publication Critical patent/JPH06145338A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To produce a new fluorocopolymer which has hydrophobic and hydrophilic parts and comprises specified amts. of trifluoropropylene oxide units and ethylene oxide units arranged at random or in block. CONSTITUTION:A fluorocopolymer of formula I wherein (x:y)=(1:99)-(99:1) comprises 1-99mol% trifluoropropylene oxide units and 99-1mol% ethylene oxide units arranged at random or in block and is obtd. pref. by copolymerizing trifluoropropylene oxide of formula II with ethylene oxide in the presence of an organozinc compd. or a metal alkoxide (e.g. cesium t-butoxide).

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は含フッ素ポリエーテル共
重合体及びその製造方法に関する。さらに詳しくは、ト
リフルオロプロピレンオキシドとエチレンオキシドを構
成単位とする含フッ素ポリエーテル共重合体、および亜
鉛の有機金属化合物あるいは金属アルコキシドを重合開
始剤としてトリフルオロプロピレンオキシドとエチレン
オキシドとを共重合させ上記共重合体を製造する方法に
関する。
TECHNICAL FIELD The present invention relates to a fluorine-containing polyether copolymer and a method for producing the same. More specifically, a fluoropolyether copolymer having trifluoropropylene oxide and ethylene oxide as constituent units, and an organometallic compound of zinc or a metal alkoxide as a polymerization initiator are used to copolymerize trifluoropropylene oxide and ethylene oxide. It relates to a method for producing a polymer.

【0002】[0002]

【従来の技術】トリフルオロプロピレンオキシド重合体
は化学的に安定なトリフルオロメチル基を持つポリエー
テルであり、撥水性、低い溶剤溶解性、低屈折率等の性
質を示すため、特殊ゴム製造用の中間体として有用であ
る。一方、エチレンオキシド重合体はトリフルオロプロ
ピレンオキシド重合体とは逆に、水溶性、あるいは各種
溶剤に対する高い溶解性等の性質を示し、凝集剤、接着
剤、化粧品や医薬用にも広く使用されている。
BACKGROUND OF THE INVENTION Trifluoropropylene oxide polymer is a chemically stable polyether having a trifluoromethyl group, and has properties such as water repellency, low solvent solubility, and low refractive index. Is useful as an intermediate. On the other hand, the ethylene oxide polymer exhibits properties such as water solubility or high solubility in various solvents, contrary to the trifluoropropylene oxide polymer, and is widely used in coagulants, adhesives, cosmetics and pharmaceuticals. .

【0003】上記両重合体の各重合単位を分子内に有す
る共重合体は、両者の相反する特色を備え、両重合単位
の量を調整することによりCF3 基の含有量の異なる各
種の共重合体を製造することができるので、興味ある共
重合体である。
Copolymers having each polymerized unit of both polymers in the molecule have opposite features, and by adjusting the amount of both polymerized units, various copolymers having different CF 3 group contents can be obtained. It is an interesting copolymer because it allows the production of polymers.

【0004】しかし、このようなトリフルオロプロピレ
ンオキシドとエチレンオキシドの共重合体については未
だ合成されたという報告例はない。
However, there is no report that such a copolymer of trifluoropropylene oxide and ethylene oxide has been synthesized yet.

【0005】[0005]

【発明が解決しようとする課題】本発明者らは塗料、接
着剤、特殊ゴム用の中間体として有用なトリフルオロプ
ロピレンオキシドとエチレンオキシドの共重合体を得る
方法について検討した結果、亜鉛の有機金属化合物ある
いは金属アルコキシドを重合開始剤として共重合させる
ことにより、トリフルオロプロピレンオキシドとエチレ
ンオキシドの共重合体が得られることを見出し、本発明
に到達した。
DISCLOSURE OF THE INVENTION The present inventors have investigated a method for obtaining a copolymer of trifluoropropylene oxide and ethylene oxide, which is useful as an intermediate for paints, adhesives and special rubbers. The inventors have found that a copolymer of trifluoropropylene oxide and ethylene oxide can be obtained by copolymerizing a compound or a metal alkoxide as a polymerization initiator, and arrived at the present invention.

【0006】[0006]

【課題を解決するための手段】本発明は、下記式(a)
で表わされるトリフルオロプロピレンオキシド重合単位
1〜99モル%及び、下記式(b)で表わされるエチレ
ンオキシド重合単位99〜1モル%を含有し、(a)お
よび(b)がランダム又はブロック状に配列されてなる
式1で表わされる含フッ素ポリエーテル共重合体、およ
び式2で示されるトリフルオロプロピレンオキシドとエ
チレンオキシドを亜鉛の有機金属化合物あるいは金属ア
ルコキシドの存在下で共重合させることを特徴とする上
記含フッ素ポリエーテル共重合体の製造方法である(以
下、トリフルオロプロピレンオキシドをTFPO、エチ
レンオキシドをEOとよぶことがある。)。
The present invention provides the following formula (a):
Containing 1 to 99 mol% of a trifluoropropylene oxide polymer unit represented by the formula and 99 to 1 mol% of an ethylene oxide polymer unit represented by the following formula (b), wherein (a) and (b) are arranged randomly or in a block form. Wherein the fluorine-containing polyether copolymer represented by the formula 1 and the trifluoropropylene oxide and the ethylene oxide represented by the formula 2 are copolymerized in the presence of an organometallic compound of zinc or a metal alkoxide. This is a method for producing a fluoropolyether copolymer (hereinafter, trifluoropropylene oxide may be referred to as TFPO and ethylene oxide may be referred to as EO).

【0007】[0007]

【化3】 [Chemical 3]

【0008】[0008]

【化4】 [Chemical 4]

【0009】[0009]

【化5】 [Chemical 5]

【0010】[0010]

【化6】 [Chemical 6]

【0011】本発明の含フッ素ポリエーテル共重合体の
構造はプロトンNMR(1 H−NMR)、赤外吸収スペ
クトル(IR)、13C−NMR、及び融点(Tm)によ
って同定することができる。
The structure of the fluorinated polyether copolymer of the present invention can be identified by proton NMR ( 1 H-NMR), infrared absorption spectrum (IR), 13 C-NMR, and melting point (Tm).

【0012】例えば一般式(1)においてx:y=9:
91で、GPCのピーク分子量が8.0×104 である
含フッ素ポリエーテル共重合体は以下の物性を示す。
For example, in the general formula (1), x: y = 9:
The fluorine-containing polyether copolymer having a GPC peak molecular weight of 91 and a GPC peak molecular weight of 8.0 × 10 4 exhibits the following physical properties.

【0013】(1)1 H−NMR(図1) 下記の各シグナルが認められる。 4.4〜4.0ppm(TFPOユニット由来のCH,
CH2 ) 4.0〜3.6ppm(EOユニット由来のCH,CH
2
(1) 1 H-NMR (FIG. 1) The following signals are recognized. 4.4-4.0 ppm (CH from TFPO unit,
CH 2 ) 4.0 to 3.6 ppm (CH derived from EO unit, CH
2 )

【0014】(2)13C−NMR(図2) 132〜118ppm(CF3 ) 80〜78 ppm(CH) 71.4 ppm(TFPO由来のCH ) 70.7 ppm(EO由来のCH2 ) のシグナルが認められ、これにより、CF3 基を有する
ポリエーテル構造を有することがわかる。
(2) 13 C-NMR (FIG. 2) 132-118 ppm (CF 3 ) 80-78 ppm (CH) 71.4 ppm (TF 2 -derived CH 2 ) 70.7 ppm (EO-derived CH 2 ). Signal is observed, which means that it has a polyether structure having a CF 3 group.

【0015】(3)IR(図3) 3350,2850,1440,1100,830cm
-1 に吸収が認められ、これにより、アルキル基、C−F基
の存在が確認できる。 (4)Tm 56℃、119℃
(3) IR (FIG. 3) 3350, 2850, 1440, 1100, 830 cm
Absorption was observed at -1 , which confirms the presence of an alkyl group and a C-F group. (4) Tm 56 ° C, 119 ° C

【0016】また分子量はGPCでのピーク分子量(ポ
リスチレン換算値)として求めることができ、さらに1
H−NMRにおいて各構成単位由来のメチン、メチレン
の和の積分比から各構成単位の比x:yが求められる。
[0016] The molecular weight can be determined as a peak molecular weight in GPC (polystyrene equivalent values), further 1
In 1 H-NMR, the ratio x: y of each structural unit is determined from the integral ratio of the sum of methine and methylene derived from each structural unit.

【0017】本発明の含フッ素ポリエーテル共重合体
は、亜鉛の有機金属化合物あるいは金属アルコキシドの
存在下でトリフルオロプロピレンオキシドとエチレンオ
キシドを共重合させることにより製造することができ
る。
The fluorinated polyether copolymer of the present invention can be produced by copolymerizing trifluoropropylene oxide and ethylene oxide in the presence of an organometallic compound of zinc or a metal alkoxide.

【0018】本発明方法において単量体として用いるT
FPOは、式2で表される化合物で、トリフルオロアセ
トンを臭素化して得られたブロモトリフルオロアセトン
を水素化アルミニウムリチウムで還元してブロモトリフ
ルオロイソプロピルアルコールを苛性ソーダで処理する
方法、あるいはトリフルオロプロピレンを微生物を用い
て酸化する方法(特公昭61−14798号公報、特開
昭61−202697号公報参照)などにより製造する
ことができる。
T used as a monomer in the method of the present invention
FPO is a compound represented by the formula 2, wherein bromotrifluoroacetone obtained by brominating trifluoroacetone is reduced with lithium aluminum hydride and bromotrifluoroisopropyl alcohol is treated with caustic soda, or trifluoroacetone is used. It can be produced by a method of oxidizing propylene using a microorganism (see JP-B-61-14798, JP-A-61-202697).

【0019】本発明において開始剤として使用する亜鉛
の有機金属化合物は分子中に少なくとも1個のZn−C
結合及び/又はZn−OC結合を有する化合物、あるい
はその錯化合物である。このような亜鉛の有機金属化合
物としては、ジアルキル亜鉛、モノアルキルアルコキシ
亜鉛、ジアルコキシ亜鉛、あるいはこれらの低重合体、
およびこれらの錯化合物などを挙げることができ、より
具体的には(C252 Zn,[C25 ZnOCH3
4 ,[Zn(OCH32n ,[Zn(OCH
32 (C25 ZnOCH36 ]、などが例示され
る。またこれらの亜鉛の有機金属化合物と水との混合物
も開始剤として使用することができる。
The organometallic compound of zinc used as an initiator in the present invention is at least one Zn--C in the molecule.
A compound having a bond and / or a Zn-OC bond, or a complex compound thereof. Examples of such organometallic compounds of zinc include dialkyl zinc, monoalkyl alkoxy zinc, dialkoxy zinc, or low polymers thereof,
And complex compounds thereof, and more specifically, (C 2 H 5 ) 2 Zn, [C 2 H 5 ZnOCH 3
] 4 , [Zn (OCH 3 ) 2 ] n , [Zn (OCH
3 ) 2 (C 2 H 5 ZnOCH 3 ) 6 ], and the like. Also, a mixture of these organometallic compounds of zinc and water can be used as an initiator.

【0020】また本発明において開始剤として使用する
金属アルコキシドとしてはナトリウム、カリウム、ルビ
ジウム、セシウム等のアルカリ金属のアルコキシドが特
に好適であり、アルコキシドとしてはメトキサイド、エ
トキサイド、プロポキサイド、ブトキサイド等を挙げる
ことができる。
The metal alkoxide used as an initiator in the present invention is particularly preferably an alkoxide of an alkali metal such as sodium, potassium, rubidium or cesium, and the alkoxide includes methoxide, ethoxide, propoxide, butoxide and the like. it can.

【0021】亜鉛の有機金属化合物や金属アルコキシド
の使用量は、モノマーに対し、0.1〜10%、特に
0.5〜5%が好ましい。
The amount of the organometallic compound of zinc and the metal alkoxide used is preferably 0.1 to 10%, more preferably 0.5 to 5%, based on the amount of the monomer.

【0022】本発明方法において、各モノマーの重合反
応性は開始剤の種類により異なるので、供給するモノマ
ーの比率および開始剤の種類により共重合体中の重合単
位組成を変えることができ、上記の任意の組成比範囲の
ランダム共重合体又はブロック共重合体を製造すること
ができる。
In the method of the present invention, the polymerization reactivity of each monomer varies depending on the kind of the initiator, so that the composition of the polymerized units in the copolymer can be changed depending on the ratio of the supplied monomers and the kind of the initiator. A random copolymer or a block copolymer having an arbitrary composition ratio range can be produced.

【0023】重合は無溶媒でも、あるいはトルエン、ベ
ンゼン等の芳香族炭化水素やジ−n−ブチルエーテル等
の有機溶媒中で行ってもよい。
The polymerization may be carried out without solvent or in an aromatic hydrocarbon such as toluene or benzene or an organic solvent such as di-n-butyl ether.

【0024】重合温度は−20〜200℃、特に0〜1
50℃が好ましく、開始剤の種類に応じて適宜選択する
ことができる。重合は窒素等の不活性ガス中で行う。
The polymerization temperature is −20 to 200 ° C., especially 0 to 1
50 ° C. is preferable, and it can be appropriately selected depending on the type of the initiator. Polymerization is carried out in an inert gas such as nitrogen.

【0025】反応後は、酸で中和して、ベンゼンに可溶
部分と不溶部分に分別し、ベンゼン可溶部分は凍結乾燥
し、ベンゼン不溶部分はテトラヒドロフランに溶解させ
た後ヘキサンに再沈させて濾別、真空乾燥してそれぞれ
組成、分子量等の異なる重合物が得られる。
After the reaction, it is neutralized with an acid to separate it into a benzene-soluble portion and a benzene-insoluble portion. The benzene-soluble portion is freeze-dried. The benzene-insoluble portion is dissolved in tetrahydrofuran and then reprecipitated in hexane. Then, they are separated by filtration and vacuum dried to obtain polymers having different compositions and molecular weights.

【0026】[0026]

【実施例】以下、実施例を挙げて本発明を具体的に説明
する。なお、得られた共重合体の物性の測定は以下の方
法で行った。
EXAMPLES The present invention will be specifically described below with reference to examples. The physical properties of the obtained copolymer were measured by the following methods.

【0027】(1)重合物組成比 EO:TFPO1 H−NMR(装置:日本電子製GSX−270型)に
より得られたNMRスペクトル(図1)において 4.4−4.0ppm(TFPOユニット由来のメチ
ン、メチレン) 4.0−3.6ppm(EOユニット由来のメチン、メ
チレン) に表れた各シグナルより、TFPOおよびEOユニット
の存在が確認され、メチン、メチレンの積分比から生成
ポリマー中のTFPOとEOの組成比を計算する。
(1) Polymer composition ratio EO: TFPO 1 H-NMR (apparatus: JSX GSX-270 type) NMR spectrum (FIG. 1) obtained 4.4-4.0 ppm (derived from TFPO unit) The presence of TFPO and EO units was confirmed from the respective signals appearing at 4.0-3.6 ppm (methine and methylene derived from EO units), and TFPO in the produced polymer was confirmed from the integral ratio of methine and methylene. And the composition ratio of EO is calculated.

【0028】(2)融解ピーク温度 DSC分析(装置:セイコー電子製DSC−200、昇
温速度10℃/min) による。
(2) Melting peak temperature According to DSC analysis (apparatus: DSC-200 manufactured by Seiko Denshi, temperature rising rate: 10 ° C./min).

【0029】(3)GPCピーク分子量(装置:島津製
作所製LC−9A) GPCカラムにShodexKF−80M×2本(TH
F)を用い、ポリスチレン換算値として求めた。
(3) GPC peak molecular weight (apparatus: Shimadzu LC-9A) Shodex KF-80M x 2 (TH
It was calculated as a polystyrene conversion value using F).

【0030】[実施例1]特公昭61−14798号公
報記載の方法によりトリフルオロプロピレンを微生物で
酸化して得られたTFPOを窒素気流下で水素化カルシ
ウム上で蒸留して精製コモノマーを得た。 窒素雰囲気
下、ベンゼン10ml、重合開始剤としてtert−B
uOCS (セシウムt−ブトキサイド)のTHF溶液
(濃度0.15mol/1)1.67ml(0.25m
mol)をシリンジでアンプル管に仕込んだ。アンプル
管を液体窒素で冷却し、前記精製TFPO1.07ml
(12.5mmol)をシリンジで、さらに真空蒸留法
にて水素化カルシウム上で蒸留したエチレンオキシド
2.47ml(50.0mmol)を真空蒸留法で加
え、溶封した。80℃の恒温槽中で3日間重合させた
後、アンプル管を冷却、開封して塩酸メタノール溶液を
添加し反応を停止させた。反応混合物を大量のベンゼン
中に投入して沈殿物を濾別し、濾液を凍結乾燥してベン
ゼン可溶性の重合物1.65gを得た。収率46%、G
PCピーク分子量4.1×103 であった。濾別した沈
殿物にTHFを加え、2時間撹拌後、再度沈殿物(触媒
残渣)を濾別した。THF溶液を濃縮し、ヘキサン中に
再沈して得られた沈殿物を濾過乾燥して重合物を得た。
結果を実施例2〜4の結果と共に表1に示す。
[Example 1] TFPO obtained by oxidizing trifluoropropylene with a microorganism by the method described in JP-B-61-14798 was distilled over calcium hydride under a nitrogen stream to obtain a purified comonomer. . Under nitrogen atmosphere, 10 ml of benzene, tert-B as a polymerization initiator
1.67 ml (0.25 m of uOC S (cesium t-butoxide) THF solution (concentration 0.15 mol / 1)
mol) was charged into the ampoule tube with a syringe. The ampoule tube was cooled with liquid nitrogen, and the purified TFPO was 1.07 ml.
(12.5 mmol) was added with a syringe, and 2.47 ml (50.0 mmol) of ethylene oxide distilled over calcium hydride by a vacuum distillation method was added by a vacuum distillation method, and the mixture was sealed. After polymerizing for 3 days in a thermostat at 80 ° C., the ampoule tube was cooled and opened, and a hydrochloric acid methanol solution was added to stop the reaction. The reaction mixture was put into a large amount of benzene, the precipitate was filtered off, and the filtrate was freeze-dried to obtain 1.65 g of a benzene-soluble polymer. Yield 46%, G
The PC peak molecular weight was 4.1 × 10 3 . THF was added to the precipitate separated by filtration, and the mixture was stirred for 2 hours, and then the precipitate (catalyst residue) was separated again by filtration. The THF solution was concentrated, and the precipitate obtained by reprecipitation in hexane was filtered and dried to obtain a polymer.
The results are shown in Table 1 together with the results of Examples 2 to 4.

【0031】[実施例2]EOの添加量を一定にしてコ
モノマーの仕込み比EO:TFPO及び開始剤濃度を表
1に示すように変える他は実施例1と同様に行なった。
2.30gのベンゼン可溶部分の重合物と微量のベンゼ
ン不溶性重合物を得た。ベンゼン可溶性重合物の収率4
6%、GPCピーク分子量4.0×1031 H−NM
Rより求めたEO:TFPO=8:92であった。
[Example 2] The same procedure as in Example 1 was carried out except that the comonomer charging ratio EO: TFPO and the initiator concentration were changed as shown in Table 1 while keeping the amount of EO added constant.
2.30 g of a benzene-soluble portion polymer and a trace amount of a benzene-insoluble polymer were obtained. Yield of benzene-soluble polymer 4
6%, GPC peak molecular weight 4.0 × 10 3 , 1 H-NM
EO: TFPO calculated from R was 8:92.

【0032】[実施例3]開始剤として[Zn(OCH
32 (C25 ZnOCH36 ]トルエン溶液を用
い、コモノマーの仕込み比EO:TFPO及び開始剤濃
度を表1に示すように変える他は実施例1と同様に行な
った。ベンゼン可溶部分の重合物の収率は11%、GP
Cピーク分子量5.0×1031 H−NMRより求め
たEO:TFPO=95:5であった。
Example 3 [Zn (OCH
3 ) 2 (C 2 H 5 ZnOCH 3 ) 6 ] toluene solution was used, and the same procedure as in Example 1 was carried out except that the comonomer charging ratio EO: TFPO and the initiator concentration were changed as shown in Table 1. Yield of polymer of benzene soluble part is 11%, GP
The C peak molecular weight was 5.0 × 10 3 , and EO: TFPO determined by 1 H-NMR was 95: 5.

【0033】[実施例4] コモノマーの仕込み比EO:TFPO及び開始剤濃度を
表1に示すように変える他は実施例3と同様に行なっ
た。ベンゼン可溶部分の重合物を収率5%で、ベンゼン
不溶部分の重合物を収率2%で得た。ベンゼン不溶部分
の重合物のGPCピーク分子量8.0×1041 H−
NMRより求めたEO:TFPO=91:9、DSC分
析により求めた融解ピーク温度は56℃、119℃であ
った。又、ベンゼン可溶性の重合体はベンゼン不溶部分
の重合物に較べて、GPC分子量は高いがEO成分に富
む重合体であった。
Example 4 Example 3 was repeated except that the comonomer charging ratio EO: TFPO and the initiator concentration were changed as shown in Table 1. A polymer of the benzene-soluble portion was obtained in a yield of 5%, and a polymer of the benzene-insoluble portion was obtained in a yield of 2%. GPC peak molecular weight of polymer of benzene-insoluble portion 8.0 × 10 4 , 1 H-
EO: TFPO = 91: 9 determined by NMR, and melting peak temperatures determined by DSC analysis were 56 ° C and 119 ° C. Further, the benzene-soluble polymer was a polymer having a higher GPC molecular weight than the polymer of the benzene-insoluble portion but rich in the EO component.

【0034】[0034]

【表1】 [Table 1]

【0035】[0035]

【発明の効果】本発明は、分子内にトリフルオロメチル
基を有し、かつ分子鎖中に疎水性部分と親水性部分の両
方を持つ新規含フッ素ポリエーテル共重合体であり、塗
料、接着剤、特殊ゴム用の樹脂として有用である。
INDUSTRIAL APPLICABILITY The present invention is a novel fluorine-containing polyether copolymer having a trifluoromethyl group in the molecule and having both a hydrophobic portion and a hydrophilic portion in the molecular chain. It is useful as an agent and resin for special rubber.

【0036】また本発明によれば、トリフルオロプロピ
レンオキシドとエチレンオキシドの単位を任意の組成比
で含有する新規含フッ素ポリエーテル共重合体が得られ
るので、上記各種用途の製品を得る方法として利用価値
が大きい。
Further, according to the present invention, a novel fluorine-containing polyether copolymer containing units of trifluoropropylene oxide and ethylene oxide in an arbitrary composition ratio can be obtained. Therefore, it is useful as a method for obtaining products for the above various uses. Is big.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の含フッ素ポリエーテル共重合体の
−NMRスペクトル
FIG. 1 1 H of a fluorine-containing polyether copolymer of the present invention
-NMR spectrum

【図2】本発明の含フッ素ポリエーテル共重合体の13
−NMRスペクトル
FIG. 2 shows 13 C of the fluorine-containing polyether copolymer of the present invention.
-NMR spectrum

【図3】本発明の含フッ素ポリエーテル共重合体の赤外
線吸収スペクトル
FIG. 3 is an infrared absorption spectrum of the fluoropolyether copolymer of the present invention.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 古橋 敬三 埼玉県戸田市新曾南三丁目17番35号 日本 鉱業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Keizo Furuhashi 3-17-3, Shinsōnan, Toda City, Saitama Prefecture, Japan Mining Co., Ltd.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 トリフルオロプロピレンオキシド重合単
位(a)1〜99モル%及び、エチレンオキシド重合単
位(b)99〜1モル%を含有し、(a)および(b)
がランダム又はブロック状に配列されてなる式1で表わ
される含フッ素ポリエーテル共重合体。 【化1】 (式中x:y=1:99〜99:1)
1. Containing 1 to 99 mol% of trifluoropropylene oxide polymerized units (a) and 99 to 1 mol% of ethylene oxide polymerized units (b), (a) and (b)
Is a fluorine-containing polyether copolymer represented by the formula 1 in which are randomly or block-arranged. [Chemical 1] (In the formula, x: y = 1: 99 to 99: 1)
【請求項2】 式2で示されるトリフルオロプロピレン
オキシドとエチレンオキシドを亜鉛の有機金属化合物あ
るいは金属アルコキシドの存在下で共重合させることを
特徴とする請求項1に記載の含フッ素ポリエーテル共重
合体の製造方法。 【化2】
2. The fluorine-containing polyether copolymer according to claim 1, wherein the trifluoropropylene oxide represented by the formula 2 and ethylene oxide are copolymerized in the presence of an organometallic compound of zinc or a metal alkoxide. Manufacturing method. [Chemical 2]
JP32131492A 1992-11-05 1992-11-05 Fluorocopolymer and its production Pending JPH06145338A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
JP32131492A JPH06145338A (en) 1992-11-05 1992-11-05 Fluorocopolymer and its production

Publications (1)

Publication Number Publication Date
JPH06145338A true JPH06145338A (en) 1994-05-24

Family

ID=18131207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32131492A Pending JPH06145338A (en) 1992-11-05 1992-11-05 Fluorocopolymer and its production

Country Status (1)

Country Link
JP (1) JPH06145338A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000066575A3 (en) * 1999-05-04 2001-03-22 Du Pont Polyfluorinated epoxides and associated polymers and processes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000066575A3 (en) * 1999-05-04 2001-03-22 Du Pont Polyfluorinated epoxides and associated polymers and processes
US6653419B1 (en) 1999-05-04 2003-11-25 E. .I Du Pont De Nemours And Company Polyfluorinated epoxides and associated polymers and processes

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