Synthesis of polyurethane-based graft copolymers with uniform-size polyether and polyamine segments
✍ Scribed by Hideki Kazama; Michiaki Hoshi; Hiroshige Nakajima; Daniel Horák; Yasuyuki Tezuka; Kiyokazu Imai
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 450 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0032-3861
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## SYNOPSIS A series of polyether (PTMO, PEO) polyurethane ionomers having different contents of sodium sulfonate groups in the soft segments have been synthesized. The reaction of transesterification was involved in the incorporation of the sodium sulfonate groups in the polyether. The polyuretha
## Abstract Different multiple hard segment polyurethane–imide copolymers (MHPUI) were synthesized and characterized. FTIR spectroscopy confirmed the characteristic absorption of the MHPUI copolymer. The difference in the imide group FTIR absorption bands in different MH segment PUI copolymers was