Nanostructures in Thermosetting Blends of Epoxy Resin with Polydimethylsiloxane-block-poly(ε-caprolactone)-block-polystyrene ABC Triblock Copolymer

作者: Wenchun Fan , Lei Wang , Sixun Zheng

DOI: 10.1021/MA8018014

关键词:

摘要: Polydimethylsiloxane-block-poly(e-caprolactone)-block-polystyrene ABC-type triblock copolymer (PDMS-b-PCL-b-PS) was synthesized via the sequential ring-opening polymerization and atom transfer radical polymerization. The ABC incorporated into epoxy to prepare nanostructured thermosets. In terms of difference in miscibility with subchains after before curing reaction, it is proposed that formation nanostructures follows combined mechanisms self-assembly reaction-induced microphase separation. self-organized nanophases could be formed reaction since PDMS polymer immiscible precursors reaction. separation PS occurred presence whereas PCL remain miscible By means atomic force microscopy ...

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