Influence of Syndiotactic Propylene Units on the Rheological Parameters of Poly(ethylene−propylene) Copolymers
✍ Scribed by Fetters, Lewis J.; Lee, Jung H.; Mathers, Robert T.; Hustad, Phillip D.; Coates, Geoffrey W.; Archer, Lynden A.; Rucker, Steven P.; Lohse, David J.
- Book ID
- 120014069
- Publisher
- American Chemical Society
- Year
- 2005
- Tongue
- English
- Weight
- 152 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0024-9297
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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
## Abstract Interfacial agents are often used to compatibilize immiscible polymer blends. They are known to reduce the interfacial tension, homogenize the morphology, and improve adhesion between phases. In this study, two diblock copolymers of styrene/ethylene‐propylene (SEP), which have different