Effect of additives on solution properties of ethylene oxide-propylene oxide statistical copolymers
✍ Scribed by Abderrahim Louai; Dominique Sarazin; Gilbert Pollet; Jeanne François; François Moreaux
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 687 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0032-3861
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📜 SIMILAR VOLUMES
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
Specific volumes of aqueous solutions of triblock (PEP) copolymers of ethylene oxide and propylene oxide at solute weight fractions 0.1 Q w2 Q 0.39 were measured in the temperature range from 5 to 65°C. Partial molar volumes r2 per chain repeat unit, their temperature quotient 8r2,1aT, and excess pa
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