Measurements have been made to determine the solubilities of three hydrocarbon gases, methane, ethane, and propane, in aqueous solutions of four different water-soluble triblock copolymers of the Pluronic class: Pluronic P103, P104, P105, and F108. The solubilities of each gas, measured at 25 โข C, f
Poly(ethylene oxide)/poly(propylene oxide)/poly(ethylene oxide) triblock copolymer as a sustained-release carrier for perfume compounds
โ Scribed by Katsumasa Suzuki; Yoshihiro Saito; Yoshikazu Tokuoka; Masahiko Abe; Takatoshi Sato
- Book ID
- 107495047
- Publisher
- Springer-Verlag
- Year
- 1997
- Tongue
- English
- Weight
- 478 KB
- Volume
- 74
- Category
- Article
- ISSN
- 0003-021X
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๐ SIMILAR VOLUMES
Suzuki reaction under phase transfer conditions: 15 mmol phenylboronic acid, 13 mmol p-iodoanisole, 0.01 mmol PdCl 2 [Ph 2 P(CH 2 ) 4 SO 3 K] 2 , 45 mmol Na 2 CO 3 in toluene/ethanol/water = 15 : 15 : 15 ml with 400 mg of different block copolymers; at 78 8C
A number of results reported on the kinetics of exchange of triblock copolymers poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide), PEO-PPO-PEO, between micelles and the intermicellar aqueous solution are reviewed and analyzed to extract the rate constants k(+) for the entry of a copoly