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Stereoregularity of adsorbed poly(methyl methacrylate) on the surface of albite ore

✍ Scribed by A.A.Abd El-Hakim; A.M Ramadan; A.S Badran


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
203 KB
Volume
33
Category
Article
ISSN
0032-3861

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## Abstract The surface microstructure of the cast films of syndiotactic and stereocomplex poly(methyl methacrylate)s (PMMA) was studied by the attenuated total reflection IR (IR/ATR) method. For comparison, the bulk structure was analyzed by transmission IR spectroscopy. For the syndiotactic PMMA,

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Three poly(methyl methacrylates) (PMMA) with a racemic fraction ranging from 0.25 to 0.91 have been adsorbed from a chloroform solution on β₯-alumina and studied by diffuse reflectance infrared spectroscopy (DRIFT) and solid-state 13 C NMR spectroscopy. From DRIFT spectra, it is seen that the fractio