CONTROLLED SYNTHESIS OF AMPHIPHILIC BLOCK POLYMERS HAVING GLUCOSE RESIDUES AND THEIR STRUCTURE FORMATION

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CONTROLLED SYNTHESIS OF AMPHIPHILIC BLOCK POLYMERS HAVING GLUCOSE RESIDUES AND THEIR STRUCTURE FORMATION

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- CONTROLLED SYNTHESIS OF AMPHIPHILIC BLOCK POLYMERS HAVING GLUCOSE RESIDUES AND THEIR STRUCTURE FORMATION
- Vol. 17, Issue 1, Pages: 21-26(1999)
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- Published：20 February 1999
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CONTROLLED SYNTHESIS OF AMPHIPHILIC BLOCK POLYMERS HAVING GLUCOSE RESIDUES AND THEIR STRUCTURE FORMATION[J]. 1999, 17(1): 21-26.
DOI：

CONTROLLED SYNTHESIS OF AMPHIPHILIC BLOCK POLYMERS HAVING GLUCOSE RESIDUES AND THEIR STRUCTURE FORMATION[J]. 1999, 17(1): 21-26. DOI：

摘要

Vinyl ether (VE)-based amphiphilic block copolymers with D-glucose residues as hydrophilicpendants were synthesized by CH3 CH(OiBu)Cl/ZnI2-initiated sequential living cationic copolymerization of 3-O-(vinyloxy)ethyl-1

2:5

6-di-O-isopropylidene-D-glucofuranose (IGVE) and isobutyl VE (IBVE ) andsubsequent deprotection. The precursor block copolymers had a narrow molecular weight distribution(Mw/Mn～1.1) and a controlled segmental composition. The solubility characteristics of the amphiphilic copolymer depended strongly on composition.Thier solvent-cast thin films were examined

under a transmission electron microscope

and could be seen to exhibit various microphase-separated surface morphologies such as spheres

cylinders

and lamellae

depending on composition.The amphiphilic copolymers with the appropriate segmental composition were found to form a stable monolayer at the air-water interface

which was successfully transferred onto a substrate by the Langmuir-Blodgett(LB) technique.The layered structure of the built-up LB films was controlled by blending the homopolymer.

Abstract

2:5

under a transmission electron microscope

and could be seen to exhibit various microphase-separated surface morphologies such as spheres

cylinders

and lamellae

depending on composition.The amphiphilic copolymers with the appropriate segmental composition were found to form a stable monolayer at the air-water interface

which was successfully transferred onto a substrate by the Langmuir-Blodgett(LB) technique.The layered structure of the built-up LB films was controlled by blending the homopolymer.

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