## Abstract Block copolymers were synthesized by the condensation of dihydroxyl‐terminated poly‐(α‐methylstyrene) oligomers and bisdimethylamino‐terminated poly(dimethylsiloxane) oligomers. Manipulation of block molecular weight produced copolymers ranging in composition from 21% to 73% poly(dimeth
Synthesis and Characterization of Well-Defined Poly(α-methylstyrene)- b -poly(dimethylsiloxane) Block Copolymers
✍ Scribed by Lee, James; Hogen-Esch, Thieo E.
- Book ID
- 120399858
- Publisher
- American Chemical Society
- Year
- 2001
- Tongue
- English
- Weight
- 85 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0024-9297
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## Abstract Poly(4‐vinylpyridine)‐b‐Poly(dimethylsiloxane) (P4VP‐b‐PDMS) copolymers have been synthesized by sequential anionic polymerization of 4VP and hexamethylcyclotrisiloxane at — 70°C. The initiator was sodium naphthenate. The solvent used during reactions has a very critical role in an homo
Block copolymers of polysulfone-poly(alky1ene oxide)-poly(dimethylsi1oxane) have been prepared by the addition of preformed a,w-bis(hydrogensily1) poly(dimethylsi1oxane) oligomers to allyl end-capped poly(alky1ene oxide)-polysulfone. The hydrosilylation reaction, catalyzed by platinum, was employed