JP2017518427A - 乳化重合によるマルチグラフトコポリマー超エラストマー - Google Patents
乳化重合によるマルチグラフトコポリマー超エラストマー Download PDFInfo
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- JP2017518427A JP2017518427A JP2016574111A JP2016574111A JP2017518427A JP 2017518427 A JP2017518427 A JP 2017518427A JP 2016574111 A JP2016574111 A JP 2016574111A JP 2016574111 A JP2016574111 A JP 2016574111A JP 2017518427 A JP2017518427 A JP 2017518427A
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- QQPGCLWXZGNIKE-UHFFFAOYSA-N C(=C)C1=CC=C(COC=2C=C(C=C(C(=O)O)C=2)C(=O)O)C=C1 Chemical compound C(=C)C1=CC=C(COC=2C=C(C=C(C(=O)O)C=2)C(=O)O)C=C1 QQPGCLWXZGNIKE-UHFFFAOYSA-N 0.000 claims description 4
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- VJJZJBUCDWKPLC-UHFFFAOYSA-N 3-methoxyapigenin Chemical compound O1C2=CC(O)=CC(O)=C2C(=O)C(OC)=C1C1=CC=C(O)C=C1 VJJZJBUCDWKPLC-UHFFFAOYSA-N 0.000 claims description 3
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- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
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- 238000001228 spectrum Methods 0.000 description 10
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- 238000005160 1H NMR spectroscopy Methods 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000000113 differential scanning calorimetry Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
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- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 7
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- 238000005886 esterification reaction Methods 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
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- 238000000235 small-angle X-ray scattering Methods 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- UYCAUPASBSROMS-AWQJXPNKSA-M sodium;2,2,2-trifluoroacetate Chemical compound [Na+].[O-][13C](=O)[13C](F)(F)F UYCAUPASBSROMS-AWQJXPNKSA-M 0.000 description 1
- KLYDBHUQNXKACI-UHFFFAOYSA-M sodium;2-[2-(2-tridecoxyethoxy)ethoxy]ethyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCOCCOCCOCCOS([O-])(=O)=O KLYDBHUQNXKACI-UHFFFAOYSA-M 0.000 description 1
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- 239000007858 starting material Substances 0.000 description 1
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- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
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- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- SWAXTRYEYUTSAP-UHFFFAOYSA-N tert-butyl ethaneperoxoate Chemical compound CC(=O)OOC(C)(C)C SWAXTRYEYUTSAP-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical class [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 1
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- 229920001567 vinyl ester resin Polymers 0.000 description 1
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Abstract
Description
本開示の主題は、2014年6月20日に出願された米国仮特許出願第62 /014,746号、及び2014年9月19日に出願された米国仮特許出願第62 /052,873号の利益を主張するものであり、その各々の開示はその全体が参照により本明細書に組み込まれる。
本発明は、イノベーション・ビルディング・イノベーション・キャパシティ・プログラムのための米国国立科学財団NSFパートナーシップにより授与された賞1237787、及び米国陸軍調査庁により授与されたグラントNO.W911NF-11-1-0417の下で政府の支援を受けてなされた。政府は本発明に一定の権利を有する。
マクロモノマーとモノマーの乳化共重合によりマルチグラフトコポリマーを提供するための製造方法が記載されている。上記コポリマーは、高分子量及び多数の側鎖を有することができる。コポリマーは、超エラストマー(superelastomer)として使用されることができる。ポリ(n-アルキルアクリレート-g-スチレン)マルチグラフトコポリマー及びその組成(composition)も本明細書に記載されている。
以下の用語は、当業者によってよく理解されると考えられるが、本開示の主題の説明を容易にするために以下の定義が記載されている。
熱可塑性エラストマー(TPE)は、ゴム状(rubber-like)の性質を有する材料である。それらは、例えばエラストマー及び接着剤のような、日常生活において様々な用途を有する。 SBS及びSIS(S =ポリスチレン、B =ポリブタジエン、I =ポリイソプレン)のような最も市販されているTPEは、アニオン重合によって合成された線状トリブロックコポリマーである。高分子間の化学的架橋によってその弾性特性を実現する従来のゴムとは対照的に、TPEは、柔らかい連続相内で硬く物理的に架橋したドメインの形成によってゴム状の挙動を示す。Holdonら、Thermplastic Elastomers、Hanser、ミュンヘン、1996;及びSpontak及びPatel、コロイド及び界面科学における最近の意見、2000年,5,333を参照のこと。
いくつかの実施形態では、本書に開示の方法に従って調製されたマルチグラフトコポリマーは、例えば、アニオン重合を使用して調製されたマルチグラフトコポリマーと比較して、比較的高い分子量及び/又は比較的多い数のグラフトを有することができる。いくつかの実施形態では、本書に開示の方法は、約850,000g / molを超える重量平均分子量(Mw)を有するコポリマーを提供することができる。いくつかの実施形態において、Mwは、約1,000,000、約1,100,000又は約1,200,000g / mol又はそれ以上である。いくつかの実施形態では、本書に開示の方法は、1分子当たり少なくとも約15の分岐点(例えば、1分子当たり約15,16,17,18,19,20,21、又は22の分岐点)を有するコポリマーを提供することができる。
グラフトコポリマーの分子構造の変化は、ナノスケール構造(形態)及び自己組織化の間に長距離秩序を形成する能力を制御するように操作されることができる。要求された性能を提供するため、異なるタイプのドメインの大きさ、形状及び対称性、並びに全体的な体積分率(volume fraction)が独立して制御されることができる。この独立した制御は、ナノ相分離形態の形状(form)(例えば、球体、円柱、立方共連続ジャイロイド(cubic bicontinuous gyroid)、又は薄層(lamella))が2つのブロック材料の相対体積分率(relative volume fraction)に直接結び付く従来の線状ABジブロックコポリマー及びABAトリブロックコポリマーでは不可能である。複数のグラフト点を有する複合グラフトコポリマー構造に関する従来の特性データは、Milner、S. T.、Macromolecules、27,2333(1994)によって計算された理論モルフォロジー・ダイアグラム(theoretical morphology diagram)の枠組みに適合していた。
一般的な材料と方法
合成:化学試薬及び溶媒は、特に明記しない限り、Aldrich(米国、ウィスコンシン州、ミルウォーキー)又はSigma-Aldrich(米国、ミズーリ州、セントルイス)から得られた。その濃度を確認するための臭化アリルによる二重の(double)滴定の後に、受け入れたままの(as received)sec-ブチルリチウム(シクロヘキサン中1.4M)が使用された。ベンゼン(≧99.9%)及びスチレン(≧99%)は、アニオン重合に必要な標準まで精製された。Hadjichristidisら、Journal of Polymer Science Part A:Polymer Chemistry、2000年、38、3211を参照のこと。メタノール(≧99.9%)は、アンプルに蒸留する前に真空ラインで脱気され、その後フレームシール(flame seal)された。エチレンオキシド(≧99.5%)は、水素化カルシウムによる乾燥後、ナトリウム - カリウム合金上に30分間放置することによって精製された。合成における他の試薬は、標準的な全てのガラス高真空アニオン重合技術に従って精製された。受け入れたままの4-(ジメチルアミノ)ピリジン(DMAP、≧99%)及びN,N'-ジシクロヘキシルカルボジイミド(DCC、Acros Organics、Themo Fisher Scientific、ヘール、ベルギー; 99%)が使用された。受け入れたままのドデシルベンゼンスルホン酸ナトリウム(SDBS、工業級(technical grade))が使用された。2,2-アゾジイソブチロニトリル(AIBN、90%)が使用される前にメタノールから再結晶された。4-ビニル安息香酸(97%)が受け入れたままの状態で使用された。5-(4-ビニルベンジルオキシ)イソフタル酸は、Lubkeetら (Macromolecules、2000,33,5098)に記載されているように合成された。レドックス開始系(redox initiation system)、クメンヒドロペルオキシド(C9H12O2、80%)、還元剤ホルムアルデヒドスルホキシル酸ナトリウム(SFS、CH3NaO3S・2H2O、≧98%)、硫酸鉄(II)7水和物(FeSO4・7H2O、≧99%)、エチレンジアミン四酢酸二ナトリウム二水和物(ethylenediaminetetraacetic acid disodium salt dihydrate)(EDTA-Na2, C10H14N2Na2O8・2H2O, 99%)が受け入れたまま使用された。脱イオン水(DI水)及び他の試薬が受け入れたまま使用された。0.0621gのFeSO4・7H2O、0.1365gのEDTA-Na2及び脱イオン水から100mLの保存液(stock solution)が調製された。 FeSO4・7H2OとEDTA-Na2の比はPrince 及び Spitzにより示唆されたものであった。 Prince 及び Spitz、Industrial&Engineering Chemistry、1960、52、235を参照のこと。アニオン重合は、標準的な高真空技術を用いて密閉された全ガラス装置で実施された。 Hadjichristidisら、Journal of Polymer Science Part A:Polymer Chemistry、2000、38、3211;及びUhrig及びMays、Journal of Polymer Science Part A:Polymer Chemistry、2005,43,6179を参照のこと。
ポリスチレンマクロモノマーの合成
リビングポリスチレン(living polystyrene)、及びヒドロキシル基を末端に有するポリスチレンの合成は、従来報告されているようにして、図2Aに示すように行った。Paraskeva 及び Hadjichristidis、Journal of Polymer Science、Part A:Polymer Chemistry、2000、38、931、及びJiら, Polymer, 2002, 43, 7119を参照のこと。リビングポリスチレンの数平均分子量(Mn)は、約6000g / molになるように設計された。リビングアニオンをエチレンオキシドと反応させ、続いて酸性化することにより鎖末端ヒドロキシル化(Chain end hydroxylation)が行われた。簡潔に言えば、2つの接続された反応フラスコからなる全ガラス反応器のA部分にsec-ブチルリチウム(20mL、1.2mmol、0.06M)が添加された。反応器Aにスチレンアンプル(6.6g、63.462mmol)が取り付けられ、他方の反応器(反応器B)にエチレンオキシド/ベンゼンを含むアンプルとメタノール/ HClのアンプルとが取り付けられた。ベンゼン(60mL)が真空ライン上で反応器に蒸留された。次いで、反応器がフレームシールによって真空ラインから分離され、スチレンアンプルのブレークシール(break-seal)が破壊された。室温で24時間後、エチレンオキシド/ベンゼンのブレイクシールが反応器B内で破壊された。反応器A中のポリ(スチリル)リチウムが、反応器B中のエチレンオキシド/ベンゼン溶液にゆっくりと移された。最後に、メタノール/ HClのブレイクシールが破壊され、溶液が反応器Bに注がれた。次に溶媒を減圧下で蒸留によって除去され、トルエンが加えられ、得られた溶液が冷メタノール(10倍溶液容量)中に3回沈殿させられた。サンプルは真空オーブンで一晩乾燥させられ、白色粉末が得られた。
ポリ(イソプレン-g-スチレン)マルチグラフトコポリマーの合成
図3に示すようにして、主鎖のモノマーとしてイソプレンを用いてグラフトコポリマーの合成が行われた。簡潔に言えば、超音波処理下で氷浴で冷却しながら均一溶液を形成するため、図2Dに示す代替的なPSマクロモノマー、イソプレン、及びトルエンが、以下の表1に示す量で混合され、次いで開始剤AIBN(又はレドックス開始系のクメンヒドロペルオキシド)が溶液に加えられた。混合物はSDBS水溶液を含むバイアルに注がれ、バイアルは氷浴で冷却しながら超音波処理器に入れられて予備乳化された。5分後、エマルジョンは、マグネチックスターラー、還流冷却器、及び窒素導入口を備えたガラスフラスコに移された。 5分間の窒素パージの後、フラスコが密封され、60℃の恒温油浴に入れられて重合が開始された。レドックス開始系については、エマルジョンが移された後、SFSを含むEDTA-Na2 及び FeSO4・7H2O保存液が窒素下でフラスコに添加された。8時間後に冷却することによって重合が停止させられ、塩化ナトリウムを用いてエマルジョンを破壊することによってコポリマーが得られた。コポリマーは、THFに3回溶解させ、メタノール中に沈殿させることにより精製された。それは、その後30℃で24時間真空乾燥された。グラフトコポリマーは、いくつかの(some)未反応のマクロモノマーを除去するために分画によってさらに精製された。イソプレンの転化(Conv)は重量法で測定され、ラテックス粒子径がDLSで測定された。
ポリ(n-ブチルアクリレート - グラフト - スチレン)櫛型及びムカデ型マルチグラフトコポリマーの合成
ポリ(n-ブチルアクリレート)とポリスチレンとのグラフトコポリマーは、ポリスチレンマクロモノマーを用いたミニエマルジョン重合によって合成された。簡潔に言えば、ポリスチレンマクロモノマー、nBA、HD及びAIBNは、均一混合物が得られるまで氷浴中で超音波処理下、一緒に混合された。混合物がSDBS水溶液に添加され、氷浴中で5分間超音波処理して均一なエマルジョンが得られた。次いで、このエマルジョンは、マグネチックスターラー、窒素導入口、及び還流冷却器を備えた50mLの三口丸底フラスコに移された。窒素雰囲気下、撹拌しながら80℃で重合が行われた。8時間後に、nBAの転化の分析及び粒度分析のためにサンプルが採取された。コポリマーは、塩化ナトリウムを用いた乳化破壊によって得られ、THF(3回)に溶解し、メタノールで沈殿させることによって精製された。コポリマーは30℃で24時間真空乾燥された。グラフトコポリマーは、未反応のマクロモノマーを除去するために分画によってさらに精製された。櫛型及びムカデ型マルチグラフトコポリマーの合成経路が図13A及び13Bに示される。コポリマーの異なるバッチ(batch)についての出発物質及び試薬のより具体的な量が表3に示される。表3において、ポリ(nBA)-g-PSコポリマーには、書式MG-Xxのサンプル番号が与えられ、ここで「MG」は「マルチグラフト」、最初の数Xは櫛型構造について3、ムカデ型構造について4であり、第2の数xはバッチ数である。 「Conv」は、重量分析によって決定されるnBAの転化(率)を指す。ラテックス粒子サイズはDLSによって決定された。
Claims (29)
- マルチグラフトコポリマーを調製する方法であって、
(a)重合可能な末端基に結合した1又はそれ以上のポリマー鎖を含むマクロモノマーを供給する工程であって、前記1又はそれ以上のポリマー鎖が少なくとも第1のモノマーからの構成単位を含む工程と;
(b)前記マクロモノマー、第2のモノマー、及び重合開始剤を含むエマルジョンを調製する工程と、
(c)前記マクロモノマーと前記第2のモノマーとを共重合してマルチグラフトコポリマーを形成する工程と、を有する方法。 - 前記マクロモノマーを供給する工程が、アニオン重合により前記第1のモノマーを重合することを含む、請求項1に記載の方法。
- 前記第1のモノマーは、スチレン、α-メチルスチレン、エテン、塩化ビニル、ビニルピリジン及びシクロヘキサジエンからなる群から選択される、請求項1又は2に記載の方法。
- 前記マクロモノマーを供給する工程は、
(i)前記第1のモノマーを供給する工程であって、前記第1のモノマーはビニル基を含み、任意に前記第1のモノマーはスチレンである工程と、
(ii)第1の溶媒中で第1の温度で、前記第1のモノマーを、アルキルリチウム試薬又はグリニャール試薬と接触させてアニオン重合を開始させ、カルボアニオン含有ポリマー鎖を供給する工程であって、前記第1の溶媒は、任意にベンゼンである非極性有機溶媒を含み、さらに任意に前記第1の温度は約20〜25℃の間である工程と、
(iii)第2の溶媒中で第2の温度で、前記カルボアニオン含有ポリマー鎖を、任意に4-ビニルベンジルクロライドである4-ビニルベンジルハライドと接触させてアニオン重合を停止させ、一鎖型マクロモノマーを得る工程であって、前記第2の溶媒は非極性有機溶媒を含み、任意に前記第2の温度は約−78℃である工程と、を有する請求項1〜3のいずれか1項に記載の方法。 - 前記マクロモノマーを供給する工程は、
(i)前記第1のモノマーを供給する工程であって、前記第1のモノマーはビニル基を含み、任意に前記第1のモノマーがスチレンである工程と、
(ii)前記第1のモノマーを、第1の溶媒中で第1の温度でアルキルリチウム試薬又はグリニャール試薬と接触させてアニオン重合を開始させ、カルボアニオン含有ポリマー鎖を供給する工程であって、前記第1の溶媒は、任意にベンゼンである非極性有機溶媒を含み、さらに任意に前記第1の温度は約20〜25℃の間である工程と、
(iii)第3の溶媒及び任意にアルコールと強酸との混合物であるプロトン性溶媒中で第3の温度で、前記カルボアニオン含有ポリマー鎖をエポキシドと接触させてアニオン重合を停止させ、ヒドロキシル基を末端に有するポリマー鎖を供給する工程であって、任意に前記エポキシドがエチレンオキシドであり、前記第3の溶媒が非極性有機溶媒を含む工程と、
(iv)(1)第4の溶媒中で第4の温度で、カルボジイミド及びジメチルアミノピリジン(DMAP)の存在下で、前記ヒドロキシル基を末端に有するポリマー鎖を、任意に4-ビニル安息香酸であるビニル基置換カルボン酸と接触させ、一鎖型マクロモノマーを供給する工程、又は(2)第4の溶媒中で第4の温度で、カルボジイミド及びDMAPの存在下、前記ヒドロキシル基を末端に有するポリマー鎖を、任意に5-(4-ビニルベンジルオキシ)イソフタル酸であるビニル基置換ジカルボン酸と接触させ、二鎖型マクロモノマーを供給する工程であって、任意に前記第4の溶媒がテトラヒドロフラン(THF)であり、前記第4の温度が約5℃〜約0℃の間である工程、のうちの一つにより、前記ヒドロキシル基を末端に有するポリマー鎖の前記ヒドロキシル基をエステル化する工程と、を有する請求項1〜3のいずれか1項に記載の方法。 - 前記エマルジョンを調製する工程が、前記マクロモノマー及び前記第2のモノマーを有機溶媒に添加して均一溶液を調製する工程;1種又はそれ以上の界面活性剤を含む水溶液に前記均一溶液を添加して混合物を供給する工程;及び前記混合物を攪拌して均一エマルジョンを供給する工程、を含み、
前記エマルジョンを調製する工程はさらに、前記均一溶液又は前記混合物の一方又は両方に重合開始剤を添加することを含み、任意に前記重合開始剤がラジカル開始剤及び/又はレドックス開始剤を含み、さらに任意に前記有機溶媒がトルエン又はヘキサデカンのような非極性有機溶媒であり、さらに任意に前記攪拌が超音波処理によって行われる、請求項1〜5のいずれか1項に記載の方法。 - 前記第2のモノマーが、イソプレン、及び任意にn-ブチルアクリレートであるアルキルアクリレートから選択される、請求項1〜6のいずれか1項に記載の方法。
- 前記重合開始剤が、任意にアゾビスイソブチロニトリル(AIBN)であるラジカル開始剤を含み、前記マクロモノマーと前記第2のモノマーを共重合する工程が、工程(b)で調製された前記エマルジョンを加熱する工程を含む、請求項1〜7のいずれか1項に記載の方法。
- 前記加熱工程は、前記エマルジョンを約50〜90℃の間の温度に約8時間加熱することを含む、請求項8記載の方法。
- 前記マルチグラフトコポリマーを乾燥及び/又は精製することをさらに含む、請求項1〜9のいずれか1項に記載の方法。
- 請求項1〜10のいずれか1項に記載の方法に従って調製されたマルチグラフトコポリマーであって、任意に前記マルチグラフトコポリマーが少なくとも約1,000,000g/モル(g / mol)の重量平均分子量(Mw)、又は1分子あたり少なくとも約15の分岐点を持つマルチグラフトコポリマー。
- 前記マルチグラフトコポリマーが、ゴム状ポリマー主鎖と、複数のガラス状又は半結晶性ポリマー側鎖とを含み、前記主鎖が複数のランダムに配置された分枝点を有し、前記複数のガラス状又は半結晶性ポリマー側鎖のそれぞれは、複数のランダムに配置された分岐点の1つで前記主鎖に結合される、請求項11に記載のマルチグラフトコポリマー。
- 前記第2のモノマーがn-ブチルアクリレートであり、前記ゴム状ポリマー主鎖がポリ(n-ブチルアクリレート)を含む、請求項12に記載のマルチグラフトコポリマー。
- 前記第1のモノマーがスチレンであり、前記ガラス状又は半結晶性ポリマー側鎖がポリスチレンを含む、請求項12又は13に記載のマルチグラフトコポリマー。
- 請求項11〜14のいずれか1項に記載のマルチグラフトコポリマーを含む熱可塑性エラストマー。
- 請求項11〜14のいずれか1項に記載のマルチグラフトコポリマーを含む接着剤。
- ポリ(アルキルアクリレート)主鎖及び複数のガラス状又は半結晶性ポリマー側鎖を含むランダムマルチグラフトコポリマーであって、前記主鎖が複数のランダムに配置された分岐点を含み、前記複数のポリマー側鎖のそれぞれが前記複数のランダムに配置された分岐点の1つで前記主鎖に結合される、ランダムマルチグラフトコポリマー。
- 前記コポリマーは、櫛型又はムカデ型構造のうちの1つを含む、請求項17に記載のランダムマルチグラフトコポリマー。
- 前記コポリマーが約500,000g/モル(g /mol)より大きい重量平均分子量(Mw)を有する、請求項17又は18に記載のランダムマルチグラフトコポリマー。
- 前記コポリマーが約1,000,000g /mol以上のMwを有する、請求項17〜19のいずれか1項に記載のランダムマルチグラフトコポリマー。
- 前記コポリマーが約15〜約43質量%の間のポリスチレンを含む、請求項17〜20のいずれか1項に記載のランダムマルチグラフトコポリマー。
- 前記コポリマーが約26〜約32質量%の間のポリスチレンを含む、請求項17〜21のいずれか1項に記載のランダムマルチグラフトコポリマー。
- 前記コポリマーが約−13℃〜約−42℃の間、任意に約−30℃〜約−42℃の間のガラス転移温度(Tg)を有する、請求項17〜22のいずれかに記載のランダムマルチグラフトコポリマー。
- 前記コポリマーが1分子当たり少なくとも約12の分岐点を有する、請求項17〜23のいずれか1項に記載のランダムマルチグラフトコポリマー。
- 前記コポリマーが1分子当たり約15〜約22の間の分岐点を有する、請求項17〜24のいずれか1項に記載のランダムマルチグラフトコポリマー。
- 前記ポリ(アルキルアクリレート)主鎖がポリ(n-ブチルアクリレート)である、請求項17〜25のいずれか1項に記載のランダムマルチグラフトコポリマー。
- 前記ポリマー側鎖がポリスチレンを含む、請求項17〜26のいずれか1項に記載のランダムマルチグラフトコポリマー。
- 請求項17〜27のいずれか1項に記載のランダムマルチグラフトコポリマーを含む熱可塑性エラストマー。
- 請求項17〜27のいずれか1項に記載のランダムマルチグラフトコポリマーを含む接着剤。
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US201462014746P | 2014-06-20 | 2014-06-20 | |
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PCT/US2015/036727 WO2015196093A1 (en) | 2014-06-20 | 2015-06-19 | Multigraft copolymer superelastomers by emulsion polymerization |
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JPWO2020059625A1 (ja) * | 2018-09-18 | 2021-10-07 | Dic株式会社 | フェノール化合物、活性エステル樹脂及びその製造方法、並びに、熱硬化性樹脂組成物及びその硬化物 |
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JPWO2020059625A1 (ja) * | 2018-09-18 | 2021-10-07 | Dic株式会社 | フェノール化合物、活性エステル樹脂及びその製造方法、並びに、熱硬化性樹脂組成物及びその硬化物 |
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MX2016017033A (es) | 2017-05-01 |
DE112015002920T5 (de) | 2017-03-02 |
US20170183440A1 (en) | 2017-06-29 |
SG11201610439VA (en) | 2017-01-27 |
WO2015196093A1 (en) | 2015-12-23 |
US10202478B2 (en) | 2019-02-12 |
CA2952624A1 (en) | 2015-12-23 |
JP6868395B2 (ja) | 2021-05-12 |
CN106574026B (zh) | 2019-07-30 |
KR20170020905A (ko) | 2017-02-24 |
CN106574026A (zh) | 2017-04-19 |
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