Influence of various series of additives on the clouding behavior of aqueous solutions of triblock copolymers
✍ Scribed by Arifa Shaheen; Navjot Kaur; Rakesh Kumar Mahajan
- Publisher
- Springer
- Year
- 2007
- Weight
- 271 KB
- Volume
- 286
- Category
- Article
- ISSN
- 0340-255X
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## Abstract A series of biodegradable PCL‐PEG‐PCL block copolymers were successfully synthesized by ring‐opening polymerization of ε‐caprolactone initiated by poly(ethylene glycol) (PEG), which were characterized by ^1^H NMR, ^13^C NMR, and FTIR. Their aqueous solution displayed special gel–sol tra
pend strongly on the copolymer composition, with higher The cloud points of aqueous solutions of eight ethylene oxide values for those containing a larger percentage of EO units. (EO)/propylene oxide (PO) triblock copolymers were measured Typically, copolymers with more than 70% EO present cloud in