Block copolymers by transformation of living ring opening polymerization into an initer process

Aysegül Baskan Düz, Gürkan Hizal, Yusuf Yagci

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The transformation of ring opening polymerization into an initer process is reported for the preparation of the block copolymer of ε-caprolactone (CL) with styrene (St). In the first step, ring opening polymerization of CL was carried out by using triphenyl methanol (TPM) as the initiator and aluminum alkoxide as the promoter, respectively, to give a triphenylmethyl (trityl)-terminated polymer. UV and 1H-NMR studies show that the trityl group associated with the active alkoxy group of the initiator is selectively attached to one chain end. In the second step, the trityl-terminated polymer served as a thermal 'initer' for the polymerization of styrene and this makes it possible to prepare a block copolymer.

Original languageEnglish
Pages (from-to)1373-1378
Number of pages6
JournalEuropean Polymer Journal
Volume36
Issue number7
DOIs
Publication statusPublished - 1 Jul 2000

Funding

The authors would like to thank the ITU Research Fund for financial support. A graduate's fellowship from TUBITAK (BDP program) for A.B.D. is gratefully acknowledged.

FundersFunder number
ITU Research Fund
TUBITAK

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