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Synthesis of comb-like polyurethanes containing hydrophilic phosphatidylcholine analogues in the main chains and hydrophobic long chain alkyl groups in the side chains

✍ Scribed by Yu-Jun Li; Naotoshi Nakamura; Tian-Ming Chen; Yan-Feng Wang; Masaya Kitamura; Tadao Nakaya

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 368 KB
Volume: 17
Category: Article
ISSN: 1022-1336
DOI: 10.1002/marc.1996.030171009

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✦ Synopsis

Abstract

Three new amphiphilic phospholipid diols containing hydrophilic phosphatidylcholine analogues in the main chains and hydrophobic octadecyl, hexadecyl or dodecyl alkyl groups in the side chains were synthesized. The typical phospholipid diol based on an octadecyl group was further reacted with diisocyanates such as hexamethylene diisocyanate (HDI), 2,4‐tolylene diisocyanate (TDI) and 4,4′‐methylenediphenyl diisocyanate (MDI), respectively. Preliminary studies suggest that polyurethane based on MDI shows a viscosity behavior similar to common polyelectrolytes and exhibits a therm decomposition peak at 244°C due to the phospholipid moiety and a melting point at 218°C.

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