Calorimetric study of some poly(mono-n-alkyl itaconates)
✍ Scribed by Ricardo Diaz-Calleja; Amparo Ribes-Greus; Ligia Gargallo; Deodato Radić
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 224 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0959-8103
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## Abstract The thermal degradation of the first six members of poly(mono‐n‐alkyl itaconates) by thermogravimetry (TG), differential scanning calorimetry (DSC), Fourier Transform infrared (FTIR) and FTIR evolved gas analysis (FTIR‐EGA) was studied. The degradation mechanism involves cyclic anhydrid
Hydrogels of mono-n-alkyl itaconate/N-acrylamide have been synthesised. The swelling process at three different pH values (acid, neutral and basic) has been studied. The experimental data indicate that our hydrogels follow second-order swelling kinetics. According to this, the kinetic constant, K, ,
Dynamic mechanical relaxation measurements were carried out on two poly(monoalkylitaconates). Three relaxation peaks between -120 and 140°C were present. A prominent subglass relaxation (p) near -60°C was studied by means of the Fuoss-Kirkwood formalism. A slight viscoelastic activity (/3' ) was ob
## Abstract The binary polymeric systems formed by some poly(mono‐n‐alkyl itaconates) and poly(2‐vinylpyridine) or poly(4‐vinylpyridine) are studied. Depending on the solvent, two different types of material have been synthesized. On the one hand, using methanol as common solvent, we have obtained