Structure and Mechanical Properties of Sequential Interpenetrating Polymer Networks II. Complex-Forming Polyoxyethylene: Poly(acrylic acid) Systems1
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- Adachi Hiroshi
- Department of Macromolecular Science, Faculty of Science, Osaka University
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- Nishi Shiro
- Department of Macromolecular Science, Faculty of Science, Osaka University
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- Kotaka Tadao
- Department of Macromolecular Science, Faculty of Science, Osaka University
書誌事項
- タイトル別名
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- Structure and mechanical properties of sequential interpenetrating polymer networks. II. Complex-forming polyoxyethylene: Poly(acrylic acid) systems.
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説明
Two types of interpenetrating polymer networks (IPNs) consisting of complex-forming polyoxyethylene (POE) and poly(acrylic acid) (PAA) as the first and second components, respectively, were prepared by matrix polymerization. One type of IPNs was semi-IPNs in which only PAA was crosslinked, and the other was full-IPNs with both POE and PAA crosslinking. Differential scanning calorimetry and solvent extraction on the semi-IPNs showed that POE forms a 1:1 complex with PAA and that only excess POE can be extracted. This complex formation may apply to the full-IPNs in which POE is not in excess of PAA. The glass transition temperature Tg, dynamic and static mechanical properties, and stress-strain behavior were examined. The semi- and full-IPNs with the PAA content between 30 and 60 mol% appeared to be single-phase systems, in which either amorphous POE or PAA was mixed with POE:PAA (1:1) complexes. These IPNs exhibited only one fairly sharp glass transition. In IPNs with either low or high PAA content, semicrystalline POE or amorphous PAA microdomains, respectively, were phase-separated from the complex phase. The extent of microphase separation was less in the full-IPNs than in the corresponding semi-IPNs.
収録刊行物
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- Polymer Journal
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Polymer Journal 14 (12), 985-992, 1982
The Society of Polymer Science, Japan
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詳細情報 詳細情報について
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- CRID
- 1390001206289329536
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- NII論文ID
- 130004428373
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- COI
- 1:CAS:528:DyaL3sXlsVygsQ%3D%3D
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- ISSN
- 13490540
- 00323896
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
