## Abstract A rod‐coil‐rod block copolymer, polyhexylisocyanate‐__block__‐polystyrene‐__block__‐polyhexylisocyanate, of controlled molecular weight was synthesized quantitatively via living anionic polymerization using potassium naphthalenide in the presence of sodium tetraphenylborate. The use of
Synthesis of coil-rod-coil block copolymers with the aid of anionic polymerization
✍ Scribed by Constantinos Tsitsilianis; George A. Voyiatzis; Joannis K. Kallitsis
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 89 KB
- Volume
- 21
- Category
- Article
- ISSN
- 1022-1336
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📜 SIMILAR VOLUMES
**Organized structures over length scales differing by 10^3^** are reported, i.e., crystals of rod block (unit cell ∼ 1 nm), block copolymer microdomains (layer periodicity ∼ 50 nm), and Néel domain walls (wall periodicity ∼ 1000 nm)—see Figure and inside front cover. The result is an example of com
The synthesis of the poly@ara-phenyleneethynylene)-block-poly(ethylene oxide) block copolymer (PPE-b-PEO) (1) via condensation of endfunctionalized poly(para-phenyleneethynylene) (PPE) (5) and poly(ethy1ene oxide) monomethyl ether (PEO) is reported. This is achieved by the initial synthesis of a PPE