JP4790112B2 - Terminal perfluoroalkyl group-containing olefin oligomer and method for producing the same - Google Patents

Terminal perfluoroalkyl group-containing olefin oligomer and method for producing the same Download PDF

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JP4790112B2
JP4790112B2 JP2000358227A JP2000358227A JP4790112B2 JP 4790112 B2 JP4790112 B2 JP 4790112B2 JP 2000358227 A JP2000358227 A JP 2000358227A JP 2000358227 A JP2000358227 A JP 2000358227A JP 4790112 B2 JP4790112 B2 JP 4790112B2
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group
ipp
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terminal
perfluoroalkyl group
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JP2002161111A (en
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孝志 澤口
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San-Ei Kougyou Corp
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San-Ei Kougyou Corp
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Priority to DE60143490T priority patent/DE60143490D1/en
Priority to AU2002224085A priority patent/AU2002224085A1/en
Priority to CNB01819429XA priority patent/CN100558758C/en
Priority to DE60137463T priority patent/DE60137463D1/en
Priority to EP01997195A priority patent/EP1364973B1/en
Priority to KR10-2003-7006981A priority patent/KR100501968B1/en
Priority to US10/416,615 priority patent/US7125834B2/en
Priority to EP07001650A priority patent/EP1790669B1/en
Priority to PCT/JP2001/010244 priority patent/WO2002042340A1/en
Priority to CN200810181676XA priority patent/CN101486779B/en
Publication of JP2002161111A publication Critical patent/JP2002161111A/en
Priority to HK09110762.6A priority patent/HK1133025A1/en
Priority to HK04110142.2A priority patent/HK1067135A1/en
Priority to US11/440,900 priority patent/US7229957B2/en
Priority to US11/654,751 priority patent/US7345017B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、両末端または片末端にパーフルオロアルキル基を有する新規オレフィン・オリゴマーに関する。このオレフィン・オリゴマーは親油性のポリオレフィン鎖および撥水性かつ超臨界二酸化炭素親和性のパーフルオロアルキル基で構成され、さらに所望により親水性のポリオキシアルキレン基を含有することから界面活性剤、特に超臨界二酸化炭素溶媒中の反応に使用可能な界面活性剤として好適である。
【0002】
【従来の技術】
二酸化炭素(CO2)は水と共に生命体にとって不可欠な物質である。一方、炭素資源の膨大な消費に伴って排出されるCO2ガスは、地球温暖化の原因となっていることからその排出規制に関して国際会議で議論されている。CO2ガスの排出を規制するには、炭素燃料の燃焼で発生するCO2を回収し、再利用することが急務となっている。
【0003】
CO2の再利用法の一つとして新規C1化学技術の創出が考えられるが、その実現には大きなエネルギーが必要であり、そのために新たにCO2を排出することになる。CO2の別の再利用法として超臨界CO2流体の抽出・反応溶媒としての利用が提案されている。超臨界CO2の溶媒としての利用は、脱有機溶媒化による毒性や引火の環境問題を排除し得、また通常の溶媒では困難な操作を実現し得る可能性があることから大きな期待が寄せられている。
【0004】
【発明が解決しようとする課題】
超臨界CO2の溶媒としての利用には、種々の物質が超臨界CO2親和性を持たない限り利用することができない。したがって、親油性と親超臨界CO2親和性、さらに要すれば親水性を備えた界面活性剤が必要である。
【0005】
本発明は、超臨界CO2溶媒中の反応に界面活性剤として使用可能な末端にパーフルオロアルキル基を有する新規オレフィン・オリゴマーを提供することを目的とする。
【0006】
本発明者らは、ポリオレフィンの高度制御熱分解によって得られる末端に官能性のビニリデン二重結合を有する単分散オレフィン・オリゴマーを出発物質とし、その末端二重結合を修飾することにより親油性のポリオレフィン鎖の末端に溌水性かつ親超臨界CO2性のペルフルオロアルキル基を導入できることを見出し、本発明を完成した。
【0007】
本発明は、一般式(1)
【化3】

Figure 0004790112
(式中、Xは
【化4】
Figure 0004790112
Rは炭素数1〜3のアルキル基またはフェニル基を表し、R1は−(CH2)r−CmF(m+1)(ここにmは1〜20の整数、rは0または1である)を表し、R2はR1−X−、H−またはHO−を表し、R3はR1−、H−、またはポリオキシアルキレン基を表し、nは1〜100の正数である)で表される両末端または片末端にパーフルオロアルキル基を有するオレフィン・オリゴマーである。
【0008】
【発明実施の形態】
本発明は、下記一般式(2)
【化5】
Figure 0004790112
(式中、Rおよびnは前記定義したとおりの意味を表す)で表される両末端または片末端に−OH基を有するオレフィン・オリゴマーと、式 F(m+1)Cm−C(O)OH(ここにmは1〜20の整数である)で表される、すなわち炭素数1〜20、好ましくは3〜10のパーフルオロアルキルカルボン酸との定量的なエステル化反応、あるいは下記一般式(3)
【化6】
Figure 0004790112
(式中、Rおよびnは前記定義したとおりの意味を表す)で表される両末端または片末端がマレイン化されたオレフィン・オリゴマーと、式 F(m+1)CmCH2−OH(ここにmは前記定義したとおりの意味を表す)で表される、すなわち炭素数1〜20、好ましくは3〜10のパーフルオロアルキルアルコールとの定量的なエステル化反応により合成される両末端または片末端にパーフルオロアルキル基を有するオレフィン・オリゴマーを包含する。
【0009】
上記一般式(2)で表される末端−OH基含有オレフィン・オリゴマーとパーフルオロアルキルカルボン酸との反応で得られるオレフィン・オリゴマーは、下記一般式(1a)
【化7】
Figure 0004790112
(式中、R、R1、R2およびnは前記定義したとおりの意味を表す)で表される。
【0010】
一方、上記一般式(3)で表される末端マレイン化オレフィン・オリゴマーとパーフルオロアルキルアルコールとの反応で得られるオレフィン・オリゴマーは、下記一般式(1b)
【化8】
Figure 0004790112
(式中、R、R1、R2、R3およびnは前記定義したとおりの意味を表す)で表され、少なくとも1個のパーフルオロアルキル基を末端に有する。
【0011】
前記各式において、Rは炭素数1〜3のアルキル基、たとえばメチル、エチル、プロピルまたはフェニル基である。すなわち( )内はポリオレフィン鎖、たとえばポリプロピレン、ポリ1−ブテン、ポリ1−ペンテンなどの脂肪族ポリオレフィン鎖、またはポリスチレンなどの芳香族ポリオレフィン鎖のモノマー単位を表し、nはその繰返し数を表す。nは1〜100、好ましくは10〜50である。
【0012】
1は、前記パーフルオロアルキルカルボン酸またはパーフルオロアルキルアルコールから誘導される−CmF(m+1)または−CH2CmF(m+1)基であり、炭素数mが1〜20、好ましくは3〜10の直鎖または分岐鎖を有するパーフルオロアルキル基を含む。
2は、R1−X−、すなわちF(m+1)Cm(CH2)r−X−、H−またはHO−である。
【0013】
一般式(1b)において、R3はR1−、すなわちF(m+1)CmCH2−、H−またはポリオキシアルキレン基、たとえばポリオキシエチレン、ポリオキシプロピレン基、好ましくはポリオキシエチレン基である。R3のポリオキシアルキレン基は、マレイン化オレフィン・オリゴマーとパーフルオロアルキルアルコールとの反応で生成したカルボキシ基にアルキレンオキシド、たとえばエチレンオキシド、プロピレンオキシドを付加重合させる、あるいはカルボキシ基をエチレングリコール、プロピレングリコールでエステル化することにより導入することができる。
【0014】
前記一般式(2)で表される末端−OH基含有オレフィン・オリゴマーは、末端にビニリデン二重結合を有するオレフィン・オリゴマー、好ましくはポリオレフィンの高度制御熱分解によって得られるオレフィン・オリゴマーをヒドロホウ素化し、末端ビニリデン二重結合を酸化することにより合成することができる。
【0015】
前記一般式(3)で表されるマレイン化オレフィン・オリゴマーは、前記末端ビニリデン二重結合を有するオレフィン・オリゴマーの末端ビニリデン二重結合に無水マレイン酸を付加重合させることにより合成することができる。
【0016】
本発明の末端パーフルオロアルキル基含有オレフィン・オリゴマーは、主鎖のポリオレフィン鎖が親油性であり、末端パーフルオロアルキル基が撥水性および超臨界CO2親和性の基であることから、超臨界CO2溶媒中の反応において有機物を超臨界CO2溶媒に分散させる界面活性剤として利用することができる。
【0017】
さらに界面活性剤として親水性が要求される場合には、前記一般式(1b)のR3にポリオキシアルキレン基を導入することにより達成することができる。一般式(1b)においてqが0、R2がH−またはHO−であり、R3がポリオキシアルキレン基である場合、化合物はスター構造をとる。
【0018】
【実施例】
本発明を実施例により、さらに詳細に説明する。
実施例1 両末端パーフルオロアルキル基含有オリゴプロピレン(iPP−DRF8)の合成
iPP OH の合成
市販のアイソタクチック・ポリプロピレンを高度制御熱分解して得た数平均分子量Mn1.66×103(n=39.5)、分散性Mw/Mn1.35、1分子当たりの末端ビニリデン二重結合数(fv)1.66のビニリデン二重結合を両末端に有するオリゴプロピレンをテトラヒドロフラン(THF)中に分散させ、ホウ素THF錯体を加え、窒素気流中で55℃に加温し5時間反応させてヒドロホウ素化し、次いで水酸化ナトリウム水溶液および過酸化水素水を添加して末端ビニリデン二重結合を酸化し、両末端に−OH基を含有するオリゴプロピレンiPP−OHを合成した。
【0019】
iPP OH n C 8 F 17 COOH(RF8) によるエステル化
上記合成したiPP−OHとn−C8F17COOH(RF8)とをトルエン溶媒中、触媒としてp−トルエンスルホン酸の存在下、還流下に生成する水を除去しながら2時間反応させた。反応終了後、メタノールで反応生成物を沈殿させて濾取し、減圧乾燥して生成物を得た。
【0020】
生成物のIRスペクトルには、原料iPP−OHのスペクトルに認められる−OH基に帰属するピークが消失し、エステル基およびパーフルオロアルキル基に帰属する新たなピークが認められることから、生成物は末端−OH基がn−C8F17COOH(RF8)でエステル化された両末端パーフルオロアルキル基含有オリゴプロピレン(iPP−DRF8)であることが確認された。また、1H−NMRスペクトルおよび13C−NMRスペクトルもiPP−DRF8であることを示した。
使用したiPP−OHおよび生成したiPP−DRF8のIRスペクトルを図1に、1H−NMRスペクトルを図2におよび13C−NMRスペクトルを図3に示す。
【0021】
実施例2 4末端パーフルオロアルキル基含有オリゴプロピレン(iPP−TCRF8)の合成
末端マレイン化オリゴプロピレン (iPP MA) の合成
実施例1で用いたと同じロットのビニリデン二重結合を両末端に有するオリゴプロピレン/無水マレイン酸/ジブチルヒドロキシトルエン(BHT)を1/42/1.68のモル比でデカヒドロナフタレン溶媒中、190℃で24時間反応させた。反応混合物を熱濾過しアセトン中で再沈殿させ、吸引濾過し、減圧乾燥してiPP−MAを得た。
【0022】
iPP MA n C 8 F 17 CH 2 OH(CRF8) によるエステル化
上記合成したiPP−MAとそのカルボニル1個当たり3倍モルのn−C8F17CH2OH(CRF8)とをトルエン溶媒中、触媒としてp−トルエンスルホン酸の存在下、還流下に生成する水を除去しながら6時間反応させた。反応終了後、メタノールで反応生成物を沈殿させて濾取し、減圧乾燥して生成物を得た。
【0023】
生成物のIRスペクトルには、原料iPP−MAのスペクトルに認められる無水マレイン酸に由来するピークが消失し、エステル基およびパーフルオロアルキル基に由来する新たなピークが認められることから、生成物は末端−MA基がn−C8F17CH2OH(CRF8)でエステル化された4末端パーフルオロアルキル基含有オリゴプロピレン(iPP−TCRF8)であることが確認された。また、1H−NMRスペクトルおよび13C−NMRスペクトルもiPP−TCRF8であることを示した。
使用したiPP−MAおよび生成したiPP−TCRF8のIRスペクトルを図4に、13C−NMRスペクトルを図5におよびiPP−TCRF8の1H−NMRスペクトルを図6に示す。
【0024】
実施例3 2末端パーフルオロアルキル基含有オリゴプロピレン(iPP−DCRF8)の合成
3−1:実施例2の反応溶媒をトルエンに代えてベンゼンを使用し反応温度を低下させた以外は、実施例2と同一の条件で反応を実施した。
3−2:反応溶媒にベンゼンを使用し、iPP−MAのカルボニル1個当たり2倍モルのn−C8F17CH2OH(CRF8)を使用した以外は、実施例2と同様に反応を実施した。
3−3:3−1において全還流させ反応時の脱水を行わなかったことを除いては、3−1と同様に反応を実施した。
反応結果を実施例2の結果と共に表1に示す。
【0025】
【表1】
Figure 0004790112
【0026】
表1の結果は、反応溶媒の選択による反応温度、反応モル比、反応中の脱水条件などの反応条件の組合せの選択により、末端カルボキシ基を未反応のままで残留させ得ること示す。そして残留させたカルボキシ基には、別の機能を有する基、たとえば親水性を有するポリオキシアルキレン基などを目的に応じて導入することができる。
【0027】
【発明の効果】
本発明の末端パーフルオロアルキル基含有オレフィン・オリゴマーは、オレフィン・オリゴマー鎖が親油性を、末端パーフルオロアルキル基が撥水性かつ超臨界CO2親和性を有することから、種々の分野における界面活性剤、特に超臨界CO2を使用する反応における界面活性剤としての機能を有する。特にマレイン化オレフィン・オリゴマーへの末端パーフルオロアルキル基の導入は、反応条件の選択により任意に制御でき、フリーのカルボキシ基には別の機能を有する鎖を導入することができる。
本発明は、環境問題となっている廃ポリオレフィンの高度制御熱分解によって得られる末端ビニリデン二重結合を有するオレフィン・オリゴマーを出発物質とし、種々の界面活性剤としての機能を有する末端パーフルオロアルキル基含有オレフィン・オリゴマーを提供するものであり、その産業分野および環境分野における意義は極めて大きい。
【図面の簡単な説明】
【図1】実施例1で合成して使用したiPP−OHおよび合成されたiPP−DRF8のIRスペクトルである。
【図2】実施例1で合成して使用したiPP−OHおよび合成されたiPP−DRF8の1H−NMRスペクトルである。
【図3】実施例1で合成して使用したiPP−OHおよび合成されたiPP−DRF8の13C−NMRスペクトルである。
【図4】実施例2で合成して使用したiPP−MAおよび合成されたiPP−TCRF8のIRスペクトルである。
【図5】実施例2で合成して使用したiPP−MAおよび合成されたiPP−TCRF8の13C−NMRスペクトルである。
【図6】実施例2で合成されたiPP−TCRF8の1H−NMRスペクトルである。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a novel olefin oligomer having a perfluoroalkyl group at both ends or one end. This olefin oligomer is composed of a lipophilic polyolefin chain and a water-repellent and supercritical carbon dioxide-affinity perfluoroalkyl group, and optionally contains a hydrophilic polyoxyalkylene group, so that a surfactant, particularly a super It is suitable as a surfactant that can be used for the reaction in a critical carbon dioxide solvent.
[0002]
[Prior art]
Carbon dioxide (CO 2 ) is an indispensable substance for life with water. On the other hand, CO 2 gas emitted with enormous consumption of carbon resources is a cause of global warming, so its emission regulations are discussed at international conferences. In order to regulate the emission of CO 2 gas, there is an urgent need to capture and reuse the CO 2 generated by the combustion of carbon fuel.
[0003]
The creation of new C1 chemical technology can be considered as one of the methods for reusing CO 2 , but a large amount of energy is required to realize this, and CO 2 is newly emitted for that purpose. As another CO 2 recycling method, the use of supercritical CO 2 fluid as extraction and reaction solvent has been proposed. The use of supercritical CO 2 as a solvent is highly anticipated because it can eliminate the toxicity and flammable environmental problems caused by deorganic solventization, and can realize difficult operations with ordinary solvents. ing.
[0004]
[Problems to be solved by the invention]
For the use of supercritical CO 2 as a solvent, various substances cannot be used unless they have supercritical CO 2 affinity. Therefore, there is a need for a surfactant with lipophilicity and affinity for supercritical CO 2 and, if necessary, hydrophilicity.
[0005]
An object of the present invention is to provide a novel olefin oligomer having a perfluoroalkyl group at a terminal which can be used as a surfactant in a reaction in a supercritical CO 2 solvent.
[0006]
The present inventors have used a monodisperse olefin oligomer having a functional vinylidene double bond at the terminal obtained by highly controlled pyrolysis of polyolefin as a starting material, and modifying the terminal double bond to thereby make a lipophilic polyolefin It has been found that a perfluoroalkyl group having hydrophobicity and supercritical CO2 property can be introduced at the chain end, and the present invention has been completed.
[0007]
The present invention relates to a general formula (1)
[Chemical 3]
Figure 0004790112
(Where X is embedded image
Figure 0004790112
R represents an alkyl group having 1 to 3 carbon atoms or a phenyl group, R 1 represents — (CH 2 ) r —C m F (m + 1) (where m is an integer of 1 to 20, r is 0 or 1 R 2 represents R 1 —X—, H— or HO—, R 3 represents R 1 —, H—, or a polyoxyalkylene group, and n is a positive number from 1 to 100. It is an olefin oligomer having a perfluoroalkyl group at both ends or one end.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The present invention relates to the following general formula (2)
[Chemical formula 5]
Figure 0004790112
(Wherein R and n represent the meanings as defined above), an olefin oligomer having —OH groups at both ends or one end, and a formula F (m + 1) C m —C (O ) OH (where m is an integer from 1 to 20), that is, a quantitative esterification reaction with a perfluoroalkylcarboxylic acid having 1 to 20 carbon atoms, preferably 3 to 10 carbon atoms, or the following general Formula (3)
[Chemical 6]
Figure 0004790112
(Wherein R and n represent the same meaning as defined above), an olefin oligomer having both ends or one end maleated, and a formula F (m + 1) C m CH 2 —OH ( M represents the meaning as defined above), that is, both ends synthesized by a quantitative esterification reaction with a perfluoroalkyl alcohol having 1 to 20 carbon atoms, preferably 3 to 10 carbon atoms, or Includes olefin oligomers having a perfluoroalkyl group at one end.
[0009]
The olefin / oligomer obtained by the reaction of the terminal-OH group-containing olefin / oligomer represented by the general formula (2) with a perfluoroalkylcarboxylic acid is represented by the following general formula (1a):
[Chemical 7]
Figure 0004790112
(Wherein R, R 1 , R 2 and n represent the meanings as defined above).
[0010]
On the other hand, the olefin / oligomer obtained by the reaction of the terminal maleated olefin / oligomer represented by the general formula (3) with perfluoroalkyl alcohol is represented by the following general formula (1b)
[Chemical 8]
Figure 0004790112
(Wherein R, R 1 , R 2 , R 3 and n represent the meanings as defined above) and have at least one perfluoroalkyl group at the end.
[0011]
In each of the above formulas, R is an alkyl group having 1 to 3 carbon atoms, such as a methyl, ethyl, propyl or phenyl group. That is, () represents a monomer unit of a polyolefin chain, for example, an aliphatic polyolefin chain such as polypropylene, poly 1-butene, poly 1-pentene, or an aromatic polyolefin chain such as polystyrene, and n represents the number of repetitions thereof. n is 1 to 100, preferably 10 to 50.
[0012]
R 1 is a —C m F (m + 1) or —CH 2 C m F (m + 1) group derived from the perfluoroalkyl carboxylic acid or perfluoroalkyl alcohol, and the carbon number m is 1 to 20, preferably 3 to 10 perfluoroalkyl groups having straight or branched chains.
R 2 is R 1 —X—, ie, F (m + 1) C m (CH 2 ) r —X—, H— or HO—.
[0013]
In the general formula (1b), R 3 is R 1- , that is, F (m + 1) C m CH 2- , H- or a polyoxyalkylene group such as a polyoxyethylene, polyoxypropylene group, preferably polyoxyethylene. It is a group. The polyoxyalkylene group of R 3 is obtained by subjecting a carboxy group formed by the reaction of a maleated olefin oligomer and a perfluoroalkyl alcohol to addition polymerization of alkylene oxide, such as ethylene oxide or propylene oxide, or the carboxy group is ethylene glycol or propylene glycol. Can be introduced by esterification.
[0014]
The terminal-OH group-containing olefin oligomer represented by the general formula (2) is an olefin oligomer having a vinylidene double bond at a terminal, preferably an olefin oligomer obtained by highly controlled pyrolysis of polyolefin. Can be synthesized by oxidizing the terminal vinylidene double bond.
[0015]
The maleated olefin oligomer represented by the general formula (3) can be synthesized by addition polymerization of maleic anhydride to the terminal vinylidene double bond of the olefin oligomer having the terminal vinylidene double bond.
[0016]
The terminal perfluoroalkyl group-containing olefin oligomer of the present invention is supercritical CO because the polyolefin chain of the main chain is lipophilic and the terminal perfluoroalkyl group is a water repellent and supercritical CO 2 affinity group. It can be used as a surfactant to disperse an organic substance in a supercritical CO 2 solvent in a reaction in two solvents.
[0017]
Further, when hydrophilicity is required as a surfactant, it can be achieved by introducing a polyoxyalkylene group into R 3 of the general formula (1b). In the general formula (1b), when q is 0, R 2 is H— or HO—, and R 3 is a polyoxyalkylene group, the compound takes a star structure.
[0018]
【Example】
The present invention will be described in more detail with reference to examples.
Example 1 Synthesis of oligopropylene (iPP-DRF8) containing perfluoroalkyl groups at both ends
Synthesis of iPP - OH Number average molecular weight Mn 1.66 × 10 3 (n = 39.5) obtained by highly controlled pyrolysis of commercially available isotactic polypropylene, dispersibility Mw / Mn 1.35, 1 molecule Oligopropylene having vinylidene double bonds per terminal (fv) 1.66 at both ends was dispersed in tetrahydrofuran (THF), boron-THF complex was added, and the mixture was heated to 55 ° C. in a nitrogen stream. Warm and react for 5 hours to hydroborate, then add aqueous sodium hydroxide and hydrogen peroxide to oxidize terminal vinylidene double bonds to synthesize oligopropylene iPP-OH containing -OH groups at both ends did.
[0019]
iPP - OH of n - C 8 F 17 COOH ( RF8) by esterification <br/> the synthesized iPP-OH and n-C 8 F 17 COOH ( RF8) and a toluene solvent, p- toluenesulfonic as catalyst In the presence of an acid, the reaction was carried out for 2 hours while removing water produced under reflux. After completion of the reaction, the reaction product was precipitated with methanol, collected by filtration, and dried under reduced pressure to obtain the product.
[0020]
In the IR spectrum of the product, the peak attributed to the —OH group observed in the spectrum of the raw material iPP-OH disappears, and a new peak attributed to the ester group and the perfluoroalkyl group is observed. It was confirmed that the terminal —OH group was oligopropylene containing both perfluoroalkyl groups esterified with nC 8 F 17 COOH (RF8) (iPP-DRF8). The 1 H-NMR spectrum and 13 C-NMR spectrum also showed iPP-DRF8.
FIG. 1 shows the IR spectrum of iPP-OH used and iPP-DRF8 produced, FIG. 2 shows the 1 H-NMR spectrum, and FIG. 3 shows the 13 C-NMR spectrum.
[0021]
Example 2 Synthesis of 4-terminal perfluoroalkyl group-containing oligopropylene (iPP-TCRF8)
Synthesis of terminal maleated oligopropylene (iPP - MA) Oligopropylene / maleic anhydride / dibutylhydroxytoluene (BHT) having the same lot of vinylidene double bond at both ends as used in Example 1 The reaction was carried out in a decahydronaphthalene solvent at a molar ratio of 42 / 1.68 at 190 ° C. for 24 hours. The reaction mixture was filtered hot and reprecipitated in acetone, suction filtered and dried under reduced pressure to obtain iPP-MA.
[0022]
iPP - MA of n - C 8 F 17 CH 2 OH (CRF8) by esterification <br/> the synthesized iPP-MA and the carbonyl 1 per 3 moles n-C 8 F 17 CH 2 OH (CRF8 ) In a toluene solvent in the presence of p-toluenesulfonic acid as a catalyst while removing water produced under reflux for 6 hours. After completion of the reaction, the reaction product was precipitated with methanol, collected by filtration, and dried under reduced pressure to obtain the product.
[0023]
In the IR spectrum of the product, the peak derived from maleic anhydride found in the spectrum of the raw material iPP-MA disappears, and a new peak derived from the ester group and perfluoroalkyl group is observed. it end -MA group is n-C 8 F 17 CH 2 OH (CRF8) esterified with 4-terminal perfluoroalkyl group containing oligopropylene (iPP-TCRF8) was confirmed. The 1 H-NMR spectrum and 13 C-NMR spectrum also showed iPP-TCRF8.
FIG. 4 shows the IR spectrum of the used iPP-MA and the produced iPP-TCRF8, FIG. 5 shows the 13 C-NMR spectrum, and FIG. 6 shows the 1 H-NMR spectrum of iPP-TCRF8.
[0024]
Example 3 Synthesis of 2-terminal perfluoroalkyl group-containing oligopropylene (iPP-DCRF8) 3-1: Example 2 except that the reaction solvent in Example 2 was replaced with toluene and benzene was used to lower the reaction temperature. The reaction was carried out under the same conditions.
3-2: The reaction was carried out in the same manner as in Example 2 except that benzene was used as the reaction solvent and 2-fold moles of n-C 8 F 17 CH 2 OH (CRF8) were used per carbonyl of iPP-MA. Carried out.
3-3: The reaction was carried out in the same manner as in 3-1, except that the total reflux was performed in 3-1, and no dehydration was performed during the reaction.
The reaction results are shown in Table 1 together with the results of Example 2.
[0025]
[Table 1]
Figure 0004790112
[0026]
The results in Table 1 indicate that the terminal carboxy group can be left unreacted by selecting a combination of reaction conditions such as reaction temperature, reaction molar ratio, and dehydration conditions during the reaction, depending on the choice of reaction solvent. And the group which has another function, for example, the polyoxyalkylene group which has hydrophilicity, etc. can be introduce | transduced into the remaining carboxy group according to the objective.
[0027]
【The invention's effect】
The terminal perfluoroalkyl group-containing olefin / oligomer of the present invention is a surfactant in various fields because the olefin / oligomer chain has lipophilicity and the terminal perfluoroalkyl group has water repellency and supercritical CO 2 affinity. In particular, it has a function as a surfactant in a reaction using supercritical CO 2 . In particular, the introduction of the terminal perfluoroalkyl group into the maleated olefin oligomer can be arbitrarily controlled by selecting the reaction conditions, and a chain having another function can be introduced into the free carboxy group.
The present invention is based on an olefin oligomer having a terminal vinylidene double bond obtained by highly controlled pyrolysis of waste polyolefin, which is an environmental problem, and a terminal perfluoroalkyl group having a function as various surfactants. The present invention provides an olefin / oligomer having a great significance in the industrial and environmental fields.
[Brief description of the drawings]
1 is an IR spectrum of iPP-OH synthesized and used in Example 1 and synthesized iPP-DRF8. FIG.
2 is a 1 H-NMR spectrum of iPP-OH synthesized and used in Example 1 and synthesized iPP-DRF8. FIG.
3 is a 13 C-NMR spectrum of iPP-OH synthesized and used in Example 1 and synthesized iPP-DRF8. FIG.
4 is an IR spectrum of iPP-MA synthesized and used in Example 2 and synthesized iPP-TCRF8. FIG.
5 is a 13 C-NMR spectrum of iPP-MA synthesized and used in Example 2 and synthesized iPP-TCRF8. FIG.
6 is a 1 H-NMR spectrum of iPP-TCRF8 synthesized in Example 2. FIG.

Claims (2)

一般式(1a)
Figure 0004790112
(式中、Rは炭素数1〜3のアルキル基またはフェニル基を表し、Rは−(CH−C(m+1)(ここにmは1〜20の整数、rは0または1である)を表し、Rは、R −(O)CO−を表し、は1〜100の正数である)又は
一般式(1b)
Figure 0004790112
(式中、Rは炭素数1〜3のアルキル基またはフェニル基を表し、Rは−(CH−C(m+1)(ここにmは1〜20の整数、rは0または1である)を表し、Rは、 −OC(O)−CH −(R OOC)CH−を表し、RはR−、H−、またはポリオキシアルキレン基を表し、nは1〜100の正数である)で表される両末端パーフルオロアルキル基を有するオレフィン・オリゴマー。
General formula (1a)
Figure 0004790112
(In the formula, R represents an alkyl group having 1 to 3 carbon atoms or a phenyl group, R 1 represents — (CH 2 ) r —C m F (m + 1) (where m is an integer of 1 to 20, and r is 0) Or is 1), R 2 represents R 1 — (O) CO—, and n is a positive number from 1 to 100) or
General formula (1b)
Figure 0004790112
(In the formula, R represents an alkyl group having 1 to 3 carbon atoms or a phenyl group, R 1 represents — (CH 2 ) r —C m F (m + 1) (where m is an integer of 1 to 20, and r is 0) or represents 1 and is), R 2 is, R 1 -OC (O) -CH 2 - (R 3 OOC) represents CH-, R 3 is R 1 -, H-, or represents a polyoxyalkylene group , n represents an olefin oligomers having a perfluoroalkyl group at both ends which is represented by a positive number of 1 to 100).
請求項1記載のオレフィン・オリゴマーを含有する界面活性剤。Surfactant containing olefin oligomers according to claim 1.
JP2000358227A 2000-11-24 2000-11-24 Terminal perfluoroalkyl group-containing olefin oligomer and method for producing the same Expired - Fee Related JP4790112B2 (en)

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CNB01819429XA CN100558758C (en) 2000-11-24 2001-11-22 From the lower polyolefins deutero-functional substance of functional end-group is arranged
DE60137463T DE60137463D1 (en) 2000-11-24 2001-11-22 functional substances from oligoolefins with functional end groups
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