Amphiphilic Poly(ε-caprolactone)–Poly(vinyl alcohol) Block Copolymer: Preparation from a Bifunctional Initiator
Amphiphilic Poly(ε-caprolactone)–Poly(vinyl alcohol) Block Copolymer: Preparation from a Bifunctional Initiator
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两亲性聚(ε-己内酯)-聚(乙烯醇)嵌段共聚物:由双功能引发剂制备
DOI:
10.1295/polymj.36.182
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发表时间:
2004
期刊:
影响因子:
2.8
通讯作者:
T. Hirabayashi
中科院分区:
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作者:
Jin Zhou;A. Takasu;Y. Inai;T. Hirabayashi
Synthesis of a new block copolymer, Poly(ε-caprolactone)-block-Poly(vinyloxytriethylsilane) (PCL-b-PVOTES) was examined by using a bifunctional initiator 4-(2-Hydroxyethoxy)benzaldehyde (4-HEBA) or (5-Hydroxymethyl)furfural (5-HMF) which was responsive to both living ring-opening polymerization (ROP) and aldol-type group-transfer polymerization (Aldol-GTP). The structures of the resulting block copolymers were confirmed by 1H NMR, IR, and size-exclusion chromatography (SEC). Desilylation of this PCL-b-PVOTES copolymer by acidic methanol resulted in an aimed amphiphilic block copolymer, namely Poly(ε-caprolactone)-block-Poly(vinyl alcohol) (PCL-b-PVA).
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