JP6062517B2 - 環状ジエンと非環状ジエンとの共重合体の製造方法、及びゴム組成物 - Google Patents
環状ジエンと非環状ジエンとの共重合体の製造方法、及びゴム組成物 Download PDFInfo
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/72—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44
- C08F4/80—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44 selected from iron group metals or platinum group metals
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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
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—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
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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
- 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
- C08F232/00—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
- C08F232/02—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having no condensed rings
- C08F232/06—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having no condensed rings having two or more carbon-to-carbon double bonds
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- C—CHEMISTRY; METALLURGY
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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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- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
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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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/52—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides selected from boron, aluminium, gallium, indium, thallium or rare earths
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/057—Metal alcoholates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
Description
窒素でパージした乾燥瓶に、ヘキサン及び1,3−ブタジエン(Bd)/へキサンブレンドを加え、15.0(重量)%Bdのヘキサン溶液300gを得た。この溶液に、トリイソブチルアルミニウム(TIBA)溶液(0.68M、1.35mL)、オクタン酸ニッケル(Ni[EHA]2)溶液(0.050M、0.61mL)及び三フッ化ホウ素ヘキサノエート(BF3*C6H13OH)溶液(1.0M、1.10mL)を加えた。この瓶を80℃の水浴に設置し、1時間回転させた。その後、触媒を不活化し、ポリマーを凝固及び安定化させるため、反応混合物を2,6−ジ−tert−ブチル−4−メチルフェノール(BHT)を含むイソプロパノールで処理した。次いで、ポリブタジエンをドラム乾燥機にて120℃で乾燥した。その特性を表1に示す。
実施例1と同様の手順を用いてコントロールポリマー2を調製した。重合条件及び生成したポリマーの特性を表1に示す。
窒素でパージした乾燥瓶に、ヘキサン(103.6g)、1,3−ブタジエン(Bd)/へキサンブレンド(22.2%、194.6g)及び1,3−シクロヘキサジエン(1.8g)を加え、モノマー15.0%のヘキサン溶液300gを得た。この溶液に、Bdブレンド(1.1g)、TIBA溶液(0.68M、0.99mL)、Ni[EHA]2溶液(0.050M、0.45mL)及びBF3*C6H13OH溶液(1.0M、0.81mL)の順序で作成した予備形成触媒を加えた。この瓶を65℃の水浴に設置し、2.5時間回転させた。その後、触媒を不活化し、ポリマーを凝固及び安定化させるため、反応混合物を2,6−ジ−tert−ブチル−4−メチルフェノール(BHT)を含むイソプロパノールで処理した。次いで、生成したポリマー(ポリマー3)をドラム乾燥機にて120℃で乾燥した。その特性を表1に示す。
実施例3と同様の手順を用いて共重合体を調製した。重合条件及び生成したポリマー(ポリマー4)の特性を表1に示す。
実施例3と同様の手順を用いて共重合体を調製した。重合条件及び生成したポリマー(ポリマー5)の特性を表1に示す。
実施例1〜5で得たポリマーを、表2に示す処方に従ったブラックサイドウォールタイプの配合物を用いて300グラムミキサーにて混ぜ合わせた。
ポリマー3(2.3重量%のCHDを含む)を表2の「ジエンポリマー試料」として用いた。ムーニー粘度測定をASTMD−1646−89に準拠して実施した。混合したゴムストックを145℃で33分間加硫した。Dc/Dn(サイクル当たりの亀裂長さ)及び引裂エネルギーを、MTS810エラストマーテストシステムを用いることにより10%歪(40Hzのパルス変形)の条件で250×103サイクル(5サイクル/秒)にわたり測定した。得られた特性を表3にまとめた。
実施例Aと同様の試験を、ポリマー3に代えてポリマー4(3.5重量%のCHDを含む)を用いて行った。得られた特性を表3にまとめた。
実施例Aと同様の試験を、ポリマー3に代えてポリマー5(5.4重量%のCHDを含む)を用いて行った。得られた特性を表3にまとめた。
実施例Aと同様の試験を、ポリマー3に代えてポリマー1を用いて行った。得られた特性を表3にまとめた。
実施例Aと同様の試験を、ポリマー3に代えてポリマー2を用いて行った。得られた特性を表3にまとめた。
Claims (9)
- 重合触媒システムを用いて非環状共役ジエンと環状共役ジエンとの共重合体を製造するに当たり、
(a)第一系列または第二系列の遷移金属からの少なくとも一種の原子を含む、金属カルボン酸塩、金属カルボン酸ホウ酸塩、金属有機リン酸塩、金属有機ホスホン酸塩、金属有機ホスフィン酸塩、金属カルバミン酸塩、金属ジチオカルバミン酸塩、金属キサントゲン酸塩、金属β−ジケン酸塩、金属アルコキシドまたはアリールオキシド、金属ハロゲン化物、金属偽ハロゲン化物、金属オキシハロゲン化物及び有機金属化合物の少なくとも一つから選択される遷移金属化合物、或いは、ランタン、ネオジム、セリウム、プラセオジム、プロメチウム、サマリウム、ユウロピウム、ガドリニウム、テルビウム、ジスプロシウム、ホルミウム、エルビウム、ツリウム、イッテルビウム、ルテチウム及びジジムの少なくとも一種の元素を含む、カルボン酸ランタニド、有機リン酸ランタニド、有機ホスホン酸ランタニド、有機ホスフィン酸ランタニド、カルバミン酸ランタニド、ジチオカルバミン酸ランタニド、キサントゲン酸ランタニド、β−ジケトン酸ランタニド、ランタニドアルコキシドまたはアリールオキシド、ハロゲン化ランタニド、偽ハロゲン化ランタニド、オキシハロゲン化ランタニド及び有機ランタニド化合物の少なくとも一つから選択されるランタニド金属化合物と、
(b)アルキル化剤と、
(c)無機ハロゲン化アルコラートと
を含む重合触媒システムを利用して少なくとも一種の非環状共役ジエンモノマーを少なくとも一種の環状共役ジエンモノマーと重合する工程を備え、
該共重合体が少なくとも90%の非環状共役ジエンモノマーを含み、40,000〜300,000の数平均分子量と、少なくとも92%のシス結合量を有することを特徴とする共重合体の製造方法。 - 前記共重合体が、以下:
a.50,000〜150,000の数平均分子量を有する、
b.2〜5の多分散性指数を有する、
c.少なくとも95%のシス−1,4−結合量を有する
のうちの少なくとも1つを満たす、請求項1に記載の方法。 - 前記少なくとも一種の非環状共役ジエンが、1,3−ブタジエン、イソプレン、1,3−ペンタジエン、1,3−ヘキサジエン、2,3−ジメチル−1,3−ブタジエン、2−エチル−1,3−ブタジエン、2−メチル−1,3−ペンタジエン、3−メチル−1,3−ペンタジエン、4−メチル−1,3−ペンタジエン及び2,4−ヘキサジエンからなる群より選択され、且つ、前記少なくとも一種の環状共役ジエンが、1,3−シクロペンタジエン、1,3−シクロヘキサジエン、1,3−シクロヘプタジエン、1,3-シクロオクタジエン並びにこれらの誘導体からなる群より選択される、請求項1又は2に記載の方法。
- 前記重合触媒システムが、
(a)ニッケル化合物、コバルト化合物、チタニウム化合物及びパラジウム化合物からなる群より選択される遷移金属化合物と、
(b)アルキル化剤と、
(c)無機ハロゲン化アルコラートと
を含む請求項1〜3のいずれかに記載の方法。 - 前記重合触媒システムが、
(a)ランタン化合物、サマリウム化合物及びネオジム化合物からなる群より選択されるランタニド金属化合物と、
(b)アルキル化剤と、
(c)無機ハロゲン化アルコラートと
を含む請求項1〜3のいずれかに記載の方法。 - 前記無機ハロゲン化アルコラートが三フッ化ホウ素アルコラートである請求項1〜5のいずれかに記載の方法。
- 前記重合触媒システムの少なくとも一部を、モノマーに加える前に遷移金属化合物またはランタニド金属化合物をアルキル化剤と混合し、その後無機ハロゲン化アルコラートと混合する工程を備えた方法により予備形成する請求項1〜6のいずれかに記載の方法。
- 前記少なくとも一種の非環状共役ジエンが1,3−ブタジエンであり、前記少なくとも一種の環状共役ジエンが1,3−シクロヘキサジエンであり、前記金属含有化合物がオクタン酸ニッケルであり、前記無機ハロゲン化アルコラートが三フッ化ホウ素アルコラートであり、前記アルキル化剤がトリイソブチルアルミニウムであり、前記共重合体が2〜5の多分散性指数及び少なくとも95%のシス−1,4−結合量を有する請求項1〜3,7のいずれかに記載の方法。
- 前記遷移金属化合物が、第一系列または第二系列の遷移金属からの少なくとも一種の原子を含み、
前記ランタニド金属化合物が、ランタン、サマリウムまたはネオジムの化合物である、請求項1に記載の方法。
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KR (1) | KR101762461B1 (ja) |
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EP2488556B1 (en) | 2013-09-11 |
EP2488556A1 (en) | 2012-08-22 |
KR101762461B1 (ko) | 2017-07-27 |
US8701728B2 (en) | 2014-04-22 |
RU2543376C2 (ru) | 2015-02-27 |
CN102666596B (zh) | 2014-04-02 |
JP2014507546A (ja) | 2014-03-27 |
US20120255661A1 (en) | 2012-10-11 |
US9056928B2 (en) | 2015-06-16 |
JP2016040372A (ja) | 2016-03-24 |
BR112012008797A2 (pt) | 2020-09-15 |
JP5815758B2 (ja) | 2015-11-17 |
US20140288250A1 (en) | 2014-09-25 |
RU2012119513A (ru) | 2013-11-20 |
KR20120095909A (ko) | 2012-08-29 |
WO2011047021A1 (en) | 2011-04-21 |
CN102666596A (zh) | 2012-09-12 |
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