Spectroscopic studies of interactions in poly(N-acryloyl-N′-methylpiperazine)/acidic polymer complexes
✍ Scribed by Y. Liu; S. H. Goh; S. Y. Lee; C. H. A. Huan
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 186 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0887-6266
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✦ Synopsis
Poly(N-acryloyl-NЈ-methylpiperazine) (PAMP) forms complexes with four strong acidic polymers, namely, poly(styrenesulfonic acid), poly(vinylphosphonic acid), poly(acrylic acid) and poly(methacrylic acid) in ethanol/water (1:1) solution. The nature of interpolymer interactions in various complexes was studied by Fourier transform infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy (XPS). Both the carbonyl oxygen and the amide nitrogen of PAMP are involved in hydrogen-bonding interactions. Some of the amine nitrogens of PAMP are protonated and therefore PAMP also interacts with the acidic polymers through ionic interactions.
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