## Abstract New polyurethanes (4a, 4b) and a segmented polyurethane (4c) bearing phosphatidylcholine moieties in the main chain were synthesized. They are thermally stable up to 300°C and show the viscosity behaviour of common polyelectrolytes. Preliminary studies suggest that these polyurethanes a
Synthesis and Interfacial Behavior of Sulfur-Containing Analogues of Lung Surfactant Dipalmitoyl Phosphatidylcholine.
✍ Scribed by Yusuo Chang; Zhengdong Wang; Robert H. Notter; Zhongyi Wang; Long Qu; Adrian L. Schwan
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 24 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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## Abstract New hydrophobic‐hydrophilic microphase‐separated block segmented copoly(urethane‐urea)s were synthesized by introducing hydrophobic polybutadienes as the soft segments and 4,4′‐methylenediphenyl diisocyanate, hexamethylene diisocyanate, ethylenediamine, and a hydrophilic phosphatidylcho