Selective Quaternization of 2-(Dimethylamino)ethyl Methacrylate Residues in Tertiary Amine Methacrylate Diblock Copolymers
✍ Scribed by Bütün, Vural; Armes, Steven P.; Billingham, Norman C.
- Book ID
- 120228872
- Publisher
- American Chemical Society
- Year
- 2001
- Tongue
- English
- Weight
- 155 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0024-9297
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## Abstract 2‐(Dimethylamino)ethyl methacrylate (DMAEM) — __N__‐vinyl‐2‐pyrrolidone (VP) copolymers were synthesized and characterized. The copolymerization parameters were determined: __r__~VP~ = 0,61, __r__~DMAEM~ = 11,41. The tacticity of DMAEM sequences and the distribution of monomer units wer
## Abstract __N__‐Vinyl‐2‐pyrrolidone (VP) — 2‐(dimethylamino)ethyl methacrylate (DMAEM) copolymers were quaternized with octyl, dodecyl or hexadecyl bromide. The behaviour of the modified copolymers in aqueous solutions was studied by viscosimetry. As typical of classical polyelectrolytes, by incr
N-Vinyl-2-pyrrolidone -2-(dimethy1amino) ethyl methacrylate copolymers were quaternized with octyl bromide in tetramethylene sulfone. The quaternization kinetics was studied, varying the concentrations of reagents and the composition of copolymers. The initial rate constant is not disturbed by the