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Miscibility behavior of blends of poly(alkyl methacrylate)s with poly(p-methylstyrene-co-methacrylonitrile)

✍ Scribed by Junjie Chen; S. H. Goh; S. Y. Lee; K. S. Siow

Publisher: John Wiley and Sons
Year: 1995
Tongue: English
Weight: 543 KB
Volume: 56
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1995.070560701

No coin nor oath required. For personal study only.

✦ Synopsis

The miscibility behavior of various poly(p-methylstyrene-co-methacrylonitrile) (pMSMAN)/ poly(alky1 methacry1ate)s blends was studied using differential scanning calorimetry. pMSh4AN is miscible with poly(methy1 methacrylate), poly(ethy1 methacrylate), poly(n-propyl methacrylate), poly(isopropy1 methacrylate), and poly(n-butyl methacrylate) over certain copolymer composition ranges, but is immiscible with poly(isobuty1 methacrylate) and poly(n-amyl methacrylate). The width of the miscibility window decreases with increasing size of the pendant ester group of the poly(alky1 methacrylate), and is wider than that of the corresponding poly(pmethylstyrene-co-acrylonitrile) blend system. Various segmental interaction parameters are calculated using a binary interaction model.

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