Synthesis and morphology of polycaprolactone–block-polyimide–block-polycaprolactone triblock copolymers for film separation membranes


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Triblock copolymers with the central polyimide block and peripheral polycaprolactone blocks were synthesized by controlled ring-opening anionic coordination polymerization of ε-caprolactone on polyimide macroinitiators with terminal hydroxy groups. The chemical structure of the products was determined by spectroscopic methods, and the molecular-mass characteristics of the triblock copolymers and their separate blocks were determined by size-exclusion chromatography. Examination of the phase morphology of strong self-supporting films formed from the copolymer solutions revealed microphase segregation on the nanometer level in the films.

作者简介

T. Meleshko

Institute of Macromolecular Compounds

Email: yakimansky@yahoo.com
俄罗斯联邦, St. Petersburg

A. Kashina

Institute of Macromolecular Compounds

Email: yakimansky@yahoo.com
俄罗斯联邦, St. Petersburg

N. Saprykina

Institute of Macromolecular Compounds

Email: yakimansky@yahoo.com
俄罗斯联邦, St. Petersburg

S. Kostyuk

Research Institute of Physicochemical Problems

Email: yakimansky@yahoo.com
白俄罗斯, Minsk

I. Vasilenko

Research Institute of Physicochemical Problems

Email: yakimansky@yahoo.com
白俄罗斯, Minsk

P. Nikishev

Research Institute of Physicochemical Problems

Email: yakimansky@yahoo.com
白俄罗斯, Minsk

A. Yakimanskii

Institute of Macromolecular Compounds; Institute of Chemistry

编辑信件的主要联系方式.
Email: yakimansky@yahoo.com
俄罗斯联邦, St. Petersburg; St. Petersburg

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