JP5960207B2 - 改良されたビニル変性剤組成物および当該組成物の利用方法 - Google Patents
改良されたビニル変性剤組成物および当該組成物の利用方法 Download PDFInfo
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- JP5960207B2 JP5960207B2 JP2014160488A JP2014160488A JP5960207B2 JP 5960207 B2 JP5960207 B2 JP 5960207B2 JP 2014160488 A JP2014160488 A JP 2014160488A JP 2014160488 A JP2014160488 A JP 2014160488A JP 5960207 B2 JP5960207 B2 JP 5960207B2
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- 239000000178 monomer Substances 0.000 claims description 59
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- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical class CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 4
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- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 3
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- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 150000002900 organolithium compounds Chemical class 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
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- UQDJGEHQDNVPGU-UHFFFAOYSA-N serine phosphoethanolamine Chemical compound [NH3+]CCOP([O-])(=O)OCC([NH3+])C([O-])=O UQDJGEHQDNVPGU-UHFFFAOYSA-N 0.000 description 3
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Images
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/10—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/12—Radicals substituted by oxygen atoms
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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- C—CHEMISTRY; METALLURGY
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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Description
本開示は、特定の構造の1種以上のオキソラニル化合物のメソ−異性体を特定量含むオキソラニル化合物含有組成物と、重合方法におけるビニル含有量変性剤としての斯かる組成物の使用とに関する。そのメソ−異性体が、市販されて従来より用いられていたD体、L体およびメソ体の混合物よりも、重合反応においてビニル含有量変性剤として用いられた際に、より活性であることが、予想外に見出された。そのメソ−異性体の向上した活性により、比較的少ないオキソラニル化合物の使用で、市販されているD形、L形およびメソ体の異性体の混合物と同じ結果を達成できる。2,2−ジ(2−テトラヒドロフリル)プロパン等のオキソラニル化合物の市販されている組成物は、約50%(すなわち、50%+/−1%)のD形,L形異性体と、約50%(すなわち、50%+/−1%)のメソ異性体との混合物を含む。
α−V−D−ω’・・・(I)
式中、Vは、ポリビニル芳香族ブロックであり、Dは、ポリジエンブロックであり、αとω’は、各々独立して、水素原子、官能基、または重合セグメントもしくは重合ブロックであり、Dは、少なくとも50%のビニル含有量により特徴づけられる。
d−V−D−ω’
式中、dは、ジエンモノマーの重合から誘導されるポリジエンブロックであり、V、Dおよびω’は、式Iに関する上記規定と同様であり、Dおよびdは、少なくとも50%のビニル含有量により特徴づけられる。
α−Vo−D−V’−ω’
式中、各Vは、独立して、ポリビニル芳香族ブロックであり、Dは、ポリジエンブロックであり、αとω’は、各々独立して、水素原子、官能基、または重合セグメントもしくは重合ブロックであり、Dは、少なくとも50%のビニル含有量により特徴づけられる。
d−Vo−D−V’−ω’
式中、dは、ポリジエンブロックであり、Vo、V’、D、およびω’は、式IIIに関する上記規定と同様であり、Dおよびdは、少なくとも50%のビニル含有量により特徴づけられる。
商業的に得られる量の2,2−ジ(2−テトラヒドロフリル)プロパン(Penn Specialty Chemicals)をカラムクロマトグラフィーを用いて精製し、ジアステレオ異性体を単離した。230〜400メッシュサイズのシリカゲル(Fisher Scientificから入手可能)固定相と、20%ジエチルエーテルおよび80%n−ペンタンの移動相とを具えるカラムを準備した。25mL反復量の移動相を用いた。純粋なメソ−2,2−ジ(2−テトラヒドロフリル)プロパンが、第一留分として単離された。そのメソ−異性体の収率は、2,2−ジ(2−テトラヒドロフリル)プロパンの元の量の約20%だった。純粋なD,L−2,2−ジ(2−テトラヒドロフリル)プロパンが第二留分として単離され、その収率も2,2−ジ(2−テトラヒドロフリル)プロパンの元の量の約20%だった。出発時の2,2−ジ(2−テトラヒドロフリル)プロパンと2つのジアステレオ異性体のGC−FID分析が、初めの2つの留分の純度を確認した。条件は以下のとおりである:SupelcoのEquity 1 column(30m×0.32mm×5.0μm)を使用;GC−インジェクションポート温度:260℃;インジェクションポート分割比:20:1;キャリアガスを1.5mL/分のコンスタントフローモードで流した;FID温度:280℃;サンプルサイズ:1μL。
カラムオーブンプログラム:
構造は、(図3および4に示すように)1H−NMRでも確認した。図3では、メソ体を示すメチルの2つのピークに留意されたい。図4では、D,L形を示すメチルの1つのピークに留意されたい。
クリンプシールキャップを具えた窒素パージした800mLの容器に、ヘキサン中の1,3−ブタジエン21.8重量%(183.5g)、ヘキサン中のn−ブチルリチウム1.65Mを0.24mL、および、種々のメソ、DLまたは市販されている2,2−ジ(2−テトラヒドロフリル)プロパン(51重量%のメソ異性体と約49重量%のDおよびL異性体とを含有、以下「混合物」という)の種々の量(以下の表1)を加えた。その容器を50℃の湯浴に4時間置いた。2,2−ジ(2−テトラヒドロフリル)プロパン(「DTHFP」)の濃度をGCにより測定し、ビニル含有量を1H−NMRにより測定し、そして分子量を適切なMark−Houwink定数を用いたGPC(ポリスチレン標準)により測定した。
クリンプシールキャップを具えた窒素パージした800mLの容器に、ヘキサン中のスチレン34重量%を23.5g、ヘキサン中の1,3−ブタジエン22.3重量%を14.35g、ヘキサン中のn−ブチルリチウム1.65Mを0.24mL、および種々のメソ(メソ100%)、純粋なDL(DL100%)または市販されている2,2−ジ(2−テトラヒドロフリル)プロパン(約50重量%のメソ異性体と約50重量%のDおよびL異性体とを含有、以下「混合物」という)の種々の量(以下の表2)を加えた。その容器を50℃の湯浴に4時間置いた。2,2−ジ(2−テトラヒドロフリル)プロパンの濃度をGCにより測定し、ビニル含有量を1H−NMRにより測定し、そして分子量を適切なMark−Houwink定数を用いたGPC(ポリスチレン標準)により測定した。
窒素パージした800mLの容器に、ヘキサン214gおよびヘキサン中の21.5重量%のブタジエン186gを加えた。次いで、種々のメソ濃度(99.8%、88.1%、87.3%、75%、65.3%、54.9%、44.9%、そして5.8%)の約0.4Mの2,2−ジテトラヒドロフリルプロパンの0.08mL、0.15mL、0.30mL、0.60mLまたは1.0mLのいずれかを加えた。その後、ヘキサン中のn−ブチルリチウム1.65Mを0.24mL加え、その容器を50℃まで4時間加熱した。ポリブタジエンサンプル中のビニル含有量を測定するために1H−NMRを用いて、2,2−ジテトラヒドロフリルプロパンの濃度を測定するためにGCを用いた。
次に、アニオン性ブタジエン重合の速度を、99.8%のメソ2,2−ジテトラヒドロフリルプロパンと49.7%のメソ2,2−ジテトラヒドロフリルプロパンの存在下における改良された重合について調査した。
窒素パージした7.57Lのステンレス鋼反応器に無水ヘキサン0.54kgおよびヘキサン中の20.9重量%の1,3−ブタジエン1.63kgを加えた。次いで、0.36Mの2,2−ジテトラヒドロフリルプロパン(メソ99.8%)5.73mLおよびヘキサン中の1.65Mのブチルリチウム1.37mLを11.7℃で加えた。(上述したカラムクロマトグラフィー方法を用いてメソ99.8%の2,2−ジテトラヒドロフリルプロパンが単離された)反応器のジャケットを71.1℃に設定した。5,10,15,20,25,30,45,60,および90分におけるサンプルを採取し、変換率および分子量を測定した。20,30および60分におけるサンプルについて1H−NMRによりビニル含有量を調べた。GCを用いて、反応における1,3−ブタジエンおよび2,2−ジテトラヒドロフリルプロパン(124ppm)の濃度を測定した。
窒素パージした7.57Lのステンレス鋼反応器に無水ヘキサン0.54kgおよびヘキサン中の20.9重量%の1,3−ブタジエン1.63kgを加えた。次いで、1.6Mの2,2−ジテトラヒドロフリルプロパン(メソ49.7%)0.82mLおよびヘキサン中の1.65Mのブチルリチウム1.37mLを12.1℃で加えた。(供給業者から受領したメソ49.7%の2,2−ジテトラヒドロフリルプロパンを用いた。)反応器のジャケットを71.1℃に設定した。5,10,15,20,25,30,45,60,および90分におけるサンプルを採取し、重合率および分子量を測定した。20,30および60分におけるサンプルについて1H−NMRによりビニル含有量を調べた。GCを用いて、反応における1,3−ブタジエンおよび2,2−ジテトラヒドロフリルプロパン(176ppm)の濃度を測定した。
Claims (7)
- 少なくとも1種の共役ジエンモノマーの重合に有用な改良されたビニル変性剤組成物の製造方法であって、当該方法は、2,2−ジ(2−テトラヒドロフリル)プロパンを調製することを含み、前記2,2−ジ(2−テトラヒドロフリル)プロパンは、混合物の合成によりまたは分離により、少なくとも52重量%のメソ−異性体と最大48%のDおよびL異性体とを含む、改良されたビニル変性剤組成物の製造方法。
- 前記方法は、前記2,2−ジ(2−テトラヒドロフリル)プロパンを合成している間の前記メソ−異性体の優先的な製造を含む、請求項1に記載の方法。
- 前記方法は、D,Lおよびメソ−異性体の混合物を分離して前記組成物を製造することを含む、請求項1に記載の方法。
- 前記メソ−異性体を少なくとも60重量%含む、請求項1−3のいずれか一項に記載の方法。
- 前記メソ−異性体を少なくとも90重量%含む、請求項1−3のいずれか一項に記載の方法。
- 請求項1−5のいずれか1項の方法からもたらされる組成物の存在下、少なくとも1種の共役ジエンモノマーを重合させる工程を含み、それによって少なくとも45%の1,2−ビニル含有量を有するポリジエン(共)重合体を製造する、重合方法。
- 前記方法が、少なくとも1種のビニル芳香族モノマーと、前記少なくとも1種の共役ジエンモノマーとを重合させる工程をさらに含む、請求項6に記載の重合方法。
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RU2557060C2 (ru) | 2015-07-20 |
CN102770418B (zh) | 2015-09-23 |
US9309330B2 (en) | 2016-04-12 |
US20160237181A1 (en) | 2016-08-18 |
WO2011087841A1 (en) | 2011-07-21 |
ES2477228T3 (es) | 2014-07-16 |
US20120259082A1 (en) | 2012-10-11 |
RU2012131116A (ru) | 2014-01-27 |
JP2015017258A (ja) | 2015-01-29 |
EP2516410B1 (en) | 2014-04-23 |
KR101890097B1 (ko) | 2018-08-20 |
BR112012015120B1 (pt) | 2020-07-21 |
US20180134815A1 (en) | 2018-05-17 |
EP2516410A1 (en) | 2012-10-31 |
KR20180019769A (ko) | 2018-02-26 |
PL2516410T3 (pl) | 2014-10-31 |
KR20120106851A (ko) | 2012-09-26 |
KR101830872B1 (ko) | 2018-02-26 |
BR112012015120A2 (pt) | 2015-09-22 |
JP2013515162A (ja) | 2013-05-02 |
CN102770418A (zh) | 2012-11-07 |
US10723817B2 (en) | 2020-07-28 |
US20150284483A1 (en) | 2015-10-08 |
US9062017B2 (en) | 2015-06-23 |
US9868795B2 (en) | 2018-01-16 |
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