Telechelic polyamine with secondary amino-end groups was synthesized by the anionic addition reaction of polyamine macromonomer [poly(N,N′-diethyl-N-(4-vinylphenethyl)-ethylenediamine)], with N,N′-diethyl-ethylenediamine. Polyamineurea (I) was synthesized in one step by reacting the telechelic polyamine with equimole of diphenylmethane diisocyanate (MDI), while polyamine-urea (II) was synthesized in two steps by reacting the polyamine with two moles of MDI and then with diamine. An alternating block copolymer was synthesized by addition reaction between the polyamine and diisocyanate-terminated poly(ethylene glycol) (PEG), while multiblock copolymers consisting of polyamine and PEG were synthesized by reacting diisocyanate-terminated polyamine and diisocyanate-terminated PEG with a diamine. The structural analyses of the block type copolymers obtained were carried out with GPC, NMR, FT-IR, and differential scanning calorimetry (DSC).
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Koyo, H., Tsuruta, T. & Kataoka, K. Synthesis of Novel Types of Segmented Polyamineurea and Polyamine-Poly(ethylene oxide) Block Copolymer. Polym J 25, 141–152 (1993). https://doi.org/10.1295/polymj.25.141
- Telechelic Polyamine
- Polyamine-Poly(ethylene oxide) Block Copolymer
ACS Applied Materials & Interfaces (2020)