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Polymer co-solvent systems—I: Viscometric behaviour of poly(p-tert-butylphenyl methacrylate) in acetone/cyclohexane

✍ Scribed by L. Gargallo; D. Radic; I. Katime

Publisher: Elsevier Science
Year: 1980
Tongue: English
Weight: 255 KB
Volume: 16
Category: Article
ISSN: 0014-3057
DOI: 10.1016/0014-3057(80)90142-1

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✦ Synopsis

The viscometric behaviour of poly(p-tert-butylphenyl methacrylate) in a binary mixture (acetone/cyclohexane) has been studied. This mixture presents a type of partial co-solvency (synergism) for this polymer: cyciohexane is a 0-solvent at 25 ° and acetone is very poor. The conformational parameter seems unaffected by the nature of this binary solvent mixture. The results are discussed in relation to the behaviour of the poly(p-tert-butylphenyl methacrylatel in some pure solvents, viz. acetone, cyclohexane and tetrahydrofuran. This viscometric behaviour is compared with that of polystyrene in the same mixture.

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Polymer cosolvent systems—III. Viscometric and preferential adsorption behaviour of poly(4-tert-butylphenyl methacrylate) in tetrahydrofuran/water

✍ D. Radic; L. Gargallo 📂 Article 📅 1982 🏛 Elsevier Science 🌐 English ⚖ 267 KB

The viscometric behaviour and the preferential solvation of poly(4-tert-butylphenyl methacrylate) (PBPh) in tetrahydrofuran/water mixtures have been studied. The results show that water enhances the solubility of this polymer. The system PBPh-tetrahydrofuran-water was studied in detail for 6 fractio