Abstract
Miscibility of blends of poly(4-vinyl pyridine) (P4VP) with vinyl acetate-vinyl alcohol (VAc-VAL) copolymers of different compositions has been investigated. Differential scanning calorimetry (DSC) results indicate that P4VP is miscible with VAc-VAL copolymers containing more than 30 mole% VAL. Fourier transform infrared (FTIR) analysis of the miscible blends of P4VP with VAc-VAL copolymers reveal the existence of intermolecular hydrogen bonding interactions between hydroxyl groups and vinyl pyridines. High temperature infrared spectroscopic analysis of VAc-VAL copolymers and P4VP/VAc-VAL blends indicate that there are at least three competing processes for hydrogen bonding to the hydroxyl groups in the blends: hydroxyl-hydroxyl, hydroxyl-carbonyl, and hydroxyl-pyridine associations.
| Original language | English |
|---|---|
| Pages (from-to) | 501-510 |
| Number of pages | 10 |
| Journal | Polymer (Korea) |
| Volume | 22 |
| Issue number | 3 |
| Publication status | Published - 1998 |
| Externally published | Yes |
Keywords
- Hydrogen bonding
- Miscible blends
- Poly(4-vinyl pyridine)
- Vinyl acetate-vinyl alcohol copolymers
ASJC Scopus subject areas
- Chemical Engineering(all)
- Polymers and Plastics
- Materials Chemistry