中空ガラスビーズ固定化 ポリエチレングリコール/ポリ(N-イソプロピルアクリルアミド) 相互侵入高分子網目構造ゲルの合成

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  • Synthesis of hollow glass bead-immobilized polyethylene glycol/poly(N-isopropylacrylamide) interpenetrating polymer networks

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type:論文

Novel hollow glass bead (HGb)-immobilized interpenetrating polymer network (IPN) gels, composed of poly(N-isopropylacrylamide) (poly-NIPAM) and polyethylene glycol (PEG) networks, were synthesized. Gelation was accomplished using end-capped PEG with trimethoxysilyl groups, which proceeded through condensation of the silyl groups to form a PEG network and a coupling reaction with a HGb surface. The obtained IPNs showed a gentle temperature-responsive volume change in water due to the constructed poly-NIPAM gel component. In addition, the immobilized HGb effectively contributed to reduce a specific gravity of IPNs.

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