Colloidal crystallization of thermo-sensitive gel spheres of poly (N-isopropyl acrylamide)
✍ Scribed by Tsuneo Okubo; Daisuke Suzuki; Tomoyo Yamagata; Akihiro Katsuno; Mikito Sakurai; Hiroshi Kimura; Akira Tsuchida
- Publisher
- Springer
- Year
- 2010
- Weight
- 434 KB
- Volume
- 289
- Category
- Article
- ISSN
- 0340-255X
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## Abstract The influence of molecular weight (MW) and dose of Poly(N‐isopropyl acrylamide) (PNIPAM) (temperature‐sensitive flocculant) on sedimentation rate, sediment density, and supernatant clarity of silica suspensions was investigated. The addition of PNIPAM resulted in rapid sedimentation (T
## Abstract Rapidly shrinking poly(__N__‐isopropyl acrylamide) (PNIPAM) hydrogels are prepared by crosslinking with self‐assembled nanogels that consist of cholesteryl‐ and methacryloyl‐substituted pullulan (CHPMA). The CHPMA nanogel (__R__~h~ = 26.4 nm) was used as a crosslinker for a hydrophilic