Synthesis and characterization of polyurethane anionomers
β Scribed by Katsuji Matsunaga; Kazuko Nakagawa; Satoshi Sawai; Osamu Sonoda; Masahiro Tajima; Yasuhiko Yoshida
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 80 KB
- Volume
- 98
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
Polyurethane anionomers based on phenolphthalins have been characterized by differential scanning calorimetry, swelling, and mechanical studies. DSC study shows that introduction of ionic groups into the polymer chain lowers the Tg of the polyurethane. Swelling studies reveal that water uptake is hi
Starch-based polyurethane foams were synthesized by reacting a mixture of starch and polycaprolactone triol with an aliphatic diisocyanate, in the presence of water as blowing agent. Some foams were also prepared by adding a certain amount of polyethyleneglycol. The reaction kinetics is affected by