書誌事項
- タイトル別名
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- Branching Copolymer Synthesis from Divinylbenzene-containing Olefinic Terpolymer
- ジビニルベンゼンユニットを含有するオレフィン系共重合体を用いた分岐型重合体の合成
- ジビニルベンゼンユニット オ ガンユウ スル オレフィンケイ キョウジュウゴウタイ オ モチイタ ブンキガタ ジュウゴウタイ ノ ゴウセイ
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説明
The ethylene (Et) - styrene (St) - divinylbenzene (DVB) terpolymer was synthesized from Et, St, and small amount of DVB using rac-isopropylidenebis(4,5-benzindenyl) zirconium dichloride/MAO coordination polymerization catalyst system. The terpolymer obtained highly keeps a pendant aromatic vinyl group from self cross-linking, which is considered to be a useful building block for the branching copolymer synthesis.<br>The branching copolymers are synthesized from the Et-St-DVB terpolymer and styrene using anionic polymerization. The resulting copolymers showed uniformnano-scale phase separated structure corresponding to the main chain Et-St copolymer phase as soft segment and side chain polystyrene (PS) phase as hard segment. Mechanical strength and transparency increase with DVB content from 0.05 to 0.11 mol% of the Et-St-DVB terpolymers employed, with keeping good processability (MFR value). The mechanical properties are changed from thermoplastic elastomer to plastic by changing the weight ratio of the soft/hard segment, as well as the morphologies of the sea/islandstructure.
収録刊行物
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- 日本ゴム協会誌
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日本ゴム協会誌 82 (9), 382-388, 2009
一般社団法人 日本ゴム協会
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詳細情報 詳細情報について
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- CRID
- 1390282681538465792
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- NII論文ID
- 10025407999
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- NII書誌ID
- AN00269207
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- ISSN
- 18840442
- 0029022X
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- NDL書誌ID
- 10373579
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
