JPWO2019208723A1 - ロタキサン化合物 - Google Patents
ロタキサン化合物 Download PDFInfo
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- JPWO2019208723A1 JPWO2019208723A1 JP2020515580A JP2020515580A JPWO2019208723A1 JP WO2019208723 A1 JPWO2019208723 A1 JP WO2019208723A1 JP 2020515580 A JP2020515580 A JP 2020515580A JP 2020515580 A JP2020515580 A JP 2020515580A JP WO2019208723 A1 JPWO2019208723 A1 JP WO2019208723A1
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- carbon
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 100
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- 125000004122 cyclic group Chemical group 0.000 claims abstract description 73
- 125000000524 functional group Chemical group 0.000 claims abstract description 71
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 44
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- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000011148 porous material Substances 0.000 claims abstract description 4
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
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- ZDZHCHYQNPQSGG-UHFFFAOYSA-N binaphthyl group Chemical group C1(=CC=CC2=CC=CC=C12)C1=CC=CC2=CC=CC=C12 ZDZHCHYQNPQSGG-UHFFFAOYSA-N 0.000 description 1
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- 150000003857 carboxamides Chemical class 0.000 description 1
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- 229910052805 deuterium Inorganic materials 0.000 description 1
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 1
- BGRWYRAHAFMIBJ-UHFFFAOYSA-N diisopropylcarbodiimide Natural products CC(C)NC(=O)NC(C)C BGRWYRAHAFMIBJ-UHFFFAOYSA-N 0.000 description 1
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- XZNRKASLGUNQTA-UHFFFAOYSA-N n-[bis(2-propan-2-ylanilino)methylidene]propanamide Chemical compound C=1C=CC=C(C(C)C)C=1NC(=NC(=O)CC)NC1=CC=CC=C1C(C)C XZNRKASLGUNQTA-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000005935 nucleophilic addition reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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- 102000004196 processed proteins & peptides Human genes 0.000 description 1
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- 238000007342 radical addition reaction Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 150000003865 secondary ammonium salts Chemical class 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 229940052367 sulfur,colloidal Drugs 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- ZGNPLWZYVAFUNZ-UHFFFAOYSA-N tert-butylphosphane Chemical compound CC(C)(C)P ZGNPLWZYVAFUNZ-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- 229920001187 thermosetting polymer Polymers 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- PPDADIYYMSXQJK-UHFFFAOYSA-N trichlorosilicon Chemical group Cl[Si](Cl)Cl PPDADIYYMSXQJK-UHFFFAOYSA-N 0.000 description 1
- PZJJKWKADRNWSW-UHFFFAOYSA-N trimethoxysilicon Chemical group CO[Si](OC)OC PZJJKWKADRNWSW-UHFFFAOYSA-N 0.000 description 1
- BWHDROKFUHTORW-UHFFFAOYSA-N tritert-butylphosphane Chemical compound CC(C)(C)P(C(C)(C)C)C(C)(C)C BWHDROKFUHTORW-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/001—Macromolecular compounds containing organic and inorganic sequences, e.g. organic polymers grafted onto silica
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
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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
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
- C08K5/5477—Silicon-containing compounds containing nitrogen containing nitrogen in a heterocyclic ring
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
〔1〕1個以上の環状分子と、該環状分子の内孔部を貫通する軸分子であって、該環状分子が脱離しないように配置されるキャップ構造を有する軸分子とを含むロタキサン化合物であって、環状分子および軸分子のうちの一方に、シリカと反応可能な官能基および炭素−炭素不飽和結合と反応可能な官能基のうちの一方を有し、かつ、環状分子および軸分子のうちの他方に、シリカと反応可能な官能基および炭素−炭素不飽和結合に反応可能な官能基のうちの他方を有するロタキサン化合物、
〔2〕前記環状分子が、クラウンエーテル、シクロデキストリン、シクロファン、カリックスアレーン、ククルビットウリル、およびピラーアレーンからなる群より選択される少なくとも1つである〔1〕記載のロタキサン化合物、
〔3〕前記環状分子が、下記式(1a)、(1b)、または(1c):
〔4〕前記軸分子が、下記式(3):
〔5〕前記環状分子1分子に対して、軸分子1分子が貫通している、〔1〕〜〔4〕のいずれかに記載のロタキサン化合物、
〔6〕前記シリカと反応可能な官能基が、アルコキシシリル、アセトキシシリル、およびクロロシリルからなる群より選択される少なくとも1つである〔1〕〜〔5〕のいずれかに記載のロタキサン化合物、
〔7〕前記炭素−炭素不飽和結合と反応可能な官能基が、ニトリルオキシド、アジド、ニトロン、ニトリルイミン、シドノン、メチロールフェノール、メルカプト、スルフィド、ビニル、ビニレン、エチニル、エチニレン、シアノ、イソシアネート、イソシアヌレート、エポキシ、グリシルオキシ、アクリロイル、メタクリロイル、およびウレイドからなる群より選択される少なくとも1つである〔1〕〜〔6〕のいずれかに記載のロタキサン化合物、
〔8〕炭素−炭素不飽和結合を有するポリマーと、〔1〕〜〔7〕のいずれかに記載のロタキサン化合物とを含むポリマー組成物、
〔9〕前記ポリマーがジエン系ゴムである〔8〕記載のポリマー組成物、
〔10〕ジエン系ゴム、シリカ、および〔1〕〜〔7〕のいずれかに記載のロタキサン化合物を含有するゴム組成物、
〔11〕〔1〕〜〔7〕のいずれかに記載のロタキサン化合物を含有するシランカップリング剤、に関する。
本実施形態に係るロタキサン化合物は、当業者が通常ロタキサンについて理解する通り、環状分子と軸分子が共有結合を介することなく、空間的な結合で結ばれた分子である。本実施形態に係るロタキサン化合物は、1個以上の環状分子と、該環状分子の内孔部を貫通する軸分子であって、該環状分子が脱離しないように配置されるキャップ構造を有する軸分子とからなり、環状分子および軸分子のうちの一方に、シリカと反応可能な官能基および炭素−炭素不飽和結合と反応可能な官能基のうちの一方を有し、かつ、環状分子および軸分子のうちの他方に、シリカと反応可能な官能基および炭素−炭素不飽和結合に反応可能な官能基のうちの他方を有することを特徴とする。このことから、本実施形態に係るロタキサン化合物は、新規なシランカップリング剤として利用することができる。
本実施形態に係るロタキサン化合物は、その構成中に、シリカと反応可能な官能基および炭素−炭素不飽和結合と反応可能な官能基を有する。なお、本明細書においては、これらの官能基を単に「反応性基」と総称することがある。
本実施形態に係るロタキサン化合物は、その構成分子として1個以上の環状分子を含有する。合成の容易さの観点からは、1〜3個の環状分子に対して、軸分子1分子が貫通しているロタキサン化合物(すなわち、1〜3個の環状分子を包摂するロタキサン化合物)が好ましい。さらに、ロタキサンの基本単位として、ロタキサン構造を架橋点とする材料の性質を精密に制御する観点からは、環状分子1分子に対して、軸分子1分子が貫通しているロタキサン化合物(すなわち[2]ロタキサン)が特に好ましい。
本実施形態に係るロタキサン化合物は、その構成分子として軸分子を含有する。該軸分子は、環状分子の内径よりも大きい外径を有する嵩高い基、すなわちキャップ構造を有する。キャップ構造の位置は、軸分子が環状分子から脱離しない限り特に限定されず、軸分子の末端に存在してもよいし、軸分子の中間に存在してもよい。
本実施形態に係るロタキサン化合物の好適な一態様は、下記式(2):
本実施形態に係るロタキサン化合物は、Threading-Capping法等の公知の方法や、文献記載の方法(例えば、オレオサイエンス 第5巻、第5号、2005年、209頁)またはこれに準じた方法により、製造することができる。
本実施形態に係るロタキサン化合物をシランカップリング剤として用い、ポリマー組成物を製造することができる。該ロタキサン化合物を配合したポリマー組成物は、伸縮性、応力緩和性、耐摩耗性等の向上が期待できる。なお、加硫ゴム組成物の損失正接(tanδ)および複素弾性率は、市販の粘弾性スペクトロメータにより測定することができる。加硫ゴムおよび熱可塑性ゴムの引張特性はJIS K 6251に準じて測定することができる。加硫ゴムの応力緩和試験はJIS K 6263に準じて実施することができる。
DIC:ジイソプロピルカルボジイミド
Bu3P:トリ(tert−ブチル)ホスフィン
THF:テトラヒドロフラン
Ph:フェニル
Et:エチル
1H-NMR (500Hz, CDCl3, 298K): δ(ppm) 7.60-7.47 (m, 4H), 7.42-7.30 (m, 6H), 3.78 (q, J = 7.0Hz, 6H), 2.61 (t, J = 7.3Hz, 2H), 1.72-1.65 (m, 2H), 1.20 (t, J = 7.0Hz, 9H), 0.70-0.67 (m, 2H);
13C-NMR (125Hz, CDCl3, 298K): δ(ppm) 139.2, 128.8, 128.6, 127.4, 58.4, 57.2, 35.7, 22.0, 18.3, 10.3;
IR (NaCl): υ 2287 (CNO) cm-1;
MALDI-TOF MS (Matrix: dithranol, Cationizing agent: CF3COONa): m/z calcd for C23H31NO4SSiNa [M+Na]+: 468.17, found: 468.34.
環状分子成分(1−r)(710mg)のジクロロメタン(1.4mL)溶液に軸分子成分(1−a)(470mg)を加え2時間撹拌した。続いて化合物(1−2)(660mg)、DIC(0.47mL)、(tert−ブチル)ホスフィン(50μL)を加えて室温で24時間撹拌した。反応溶液をヘキサンに再沈殿し、分取GPC(溶離液:クロロホルム)を用いて精製することにより、ニトロアルカン化合物(1−3)(620mg)を得た。
1H-NMR (500Hz, CDCl3, 298K): δ(ppm) 7.35-7.21 (m, 20H), 7.19-7.05 (m, 2H), 6.97-6.82 (m, 10H), 5.85-5.77 (m, 1H), 5.34 (s, 2H), 5.04-4.94 (m, 2H), 4.51 (q, J = 7.0Hz, 2H), 4.40 (s, 2H), 4.25-4.21 (m, 4H), 4.12-4.09 (m, 4H), 4.05 (t, J = 6.9Hz, 2H), 3.86-3.81 (m, 8H), 3.64-3.61 (m, 4H), 3.46 (m, t, J = 6.9Hz, 2H), 3.43-3.38 (m, 4H), 3.09-3.03 (m, 2H), 2.49 (t, J = 7.5Hz, 2H), 2.13 (q, J = 7.2Hz, 2H), 1.98-1.93 (m, 2H), 1.73-1.67 (m, 2H), 1.64-1.58 (m, 2H), 1.44-0.96 (m, 20H);
13C-NMR (125Hz, CDCl3, 298K): δ(ppm) 173.6, 147.5, 147.4, 146.9, 141.4, 138.3, 138.2, 132.3, 132.3, 130.7, 128.4, 128.1, 127.3, 126.6, 121.8, 121.0, 114.8, 112.7, 112.6, 112.4, 112.1, 81.3, 79.7, 72.4, 70.7, 70.2, 69.7, 68.4, 68.3, 68.2, 64.5, 62.0, 52.2, 49.0, 31.1, 30.4, 29.5, 29.4, 29.3, 29.2, 28.9, 28.6, 26.6, 26.4, 25.9, 25.0, 21.2;
MALDI-TOF MS (Matrix: dithranol, Cationizing agent: CF3COONa): m/z calcd for C69H97N2O14Na [M+Na]+: 1177.74, found: 1177.26.
化合物(1−3)(560mg)のクロロホルム(5.0mL)溶液に、化合物(1−1)(290mg)を加え、50℃で12時間撹拌した。溶媒を留去し、THF(8.6mL)に溶解させ、フェニルイソシアネート(290mg)およびトリエチルアミン(350mg)を加え、室温で4時間撹拌した。反応液を濾過後、ろ液の溶媒を留去し、分取GPC(溶離液:クロロホルム)を用いて精製することにより、ロタキサン化合物(1−4)(200mg)を得た 。
1H-NMR (500Hz, CDCl3, 298K): δ(ppm) 7.52-7.14 (m, 23H), 6.92-6.67 (m, 12H), 4.58-4.52 (m, 1H), 4.48 (s, 2H), 4.36 (s, 2H), 4.20-4.04 (m, 8H), 4.00 (t, J = 6.9Hz, 2H), 3.74 (q, J = 6.7Hz, 6H), 3.73-3.68 (m, 8H), 3.61-3.36 (m, 14H), 2.96-2.91 (m, 1H), 2.53-2.48 (m, 3H), 2.33-2.24 (m, 2H), 2.20 (s, 6H), 2.15-2.09 (m, 2H), 2.00-1.95 (m, 2H), 1.74-1.65 (m, 1H),1.59-1.50 (m, 8H), 1.18 (t, J = 6.7Hz, 9H), 1.30-0.91 (m, 18H), 0.62-0.59 (m, 2H);
13C-NMR (125Hz, CDCl3, 298K): δ(ppm) 173.7, 161.0, 155.8, 148.2, 147.7, 141.3, 141.2, 140.7, 140.6, 139.2, 137.4, 130.5, 128.9, 128.6, 128.5, 128.4, 128.3, 128.1, 127.3, 126.6, 126.3, 124.9, 121.7, 120.5, 119.9, 119.8, 111.9, 111.5, 83.9, 80.9, 72.7, 70.8, 69.7, 69.5, 68.4, 68.3, 68.2, 65.9, 64.8, 61.0, 58.3, 49.2, 47.5, 41.6, 33.8, 31.8, 30.8, 30.1, 29.8, 29.7, 29.6, 29.3, 28.6, 27.6, 26.6, 25.9, 25.8, 24.7, 22.1, 21.4, 18.3, 10.4;
IR (NaCl): υ 2275 (CNO) cm-1;
MALDI-TOF MS (Matrix: dithranol, Cationizing agent: CF3COONa): m/z calcd for C99H130N4O18SSiNa [M+Na]+: 1745.93, found: 1745.89.
Claims (10)
- 1個以上の環状分子と、該環状分子の内孔部を貫通する軸分子であって、該環状分子が脱離しないように配置されるキャップ構造を有する軸分子とを含むロタキサン化合物であって、
環状分子および軸分子のうちの一方に、シリカと反応可能な官能基および炭素−炭素不飽和結合と反応可能な官能基のうちの一方を有し、かつ、環状分子および軸分子のうちの他方に、シリカと反応可能な官能基および炭素−炭素不飽和結合に反応可能な官能基のうちの他方を有するロタキサン化合物。 - 前記環状分子が、クラウンエーテル、シクロデキストリン、シクロファン、カリックスアレーン、ククルビットウリル、およびピラーアレーンからなる群より選択される少なくとも1つである請求項1記載のロタキサン化合物。
- 前記環状分子が、下記式(1a)、(1b)、または(1c):
- 前記軸分子が、下記式(3):
- 前記環状分子1分子に対して、軸分子1分子が貫通している、請求項1〜4のいずれか一項に記載のロタキサン化合物。
- 前記シリカと反応可能な官能基が、アルコキシシリル、アセトキシシリル、およびクロロシリルからなる群より選択される少なくとも1つである請求項1〜5のいずれか一項に記載のロタキサン化合物。
- 前記炭素−炭素不飽和結合と反応可能な官能基が、ニトリルオキシド、アジド、ニトロン、ニトリルイミン、シドノン、メチロールフェノール、メルカプト、スルフィド、ビニル、ビニレン、エチニル、エチニレン、シアノ、イソシアネート、イソシアヌレート、エポキシ、グリシルオキシ、アクリロイル、メタクリロイル、およびウレイドからなる群より選択される少なくとも1つである請求項1〜6のいずれか一項に記載のロタキサン化合物。
- 炭素−炭素不飽和結合を有するポリマーと、請求項1〜7のいずれか一項に記載のロタキサン化合物とを含むポリマー組成物。
- 前記ポリマーがジエン系ゴムである請求項8記載のポリマー組成物。
- ジエン系ゴム、シリカ、および請求項1〜7のいずれか一項に記載のロタキサン化合物を含有するゴム組成物。
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