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It has been determined from an infrared analysis of miscible blends of n-butyl methacrylate-co-4-vinylphenol and styrene-co-2-vinyl pyridine copolymers that the fraction of hydrogen-bonded carbonyl groups actually increases with temperature. At first glance, this is counterintuitive, but it is entirely consistent behaviour for a multicomponent hydrogen-bonding system containing competing acceptor...
Self-association and interassociation equilibrium constants determined from i.r. studies of miscible poly(2,6-dimethyl-4-vinyl phenol) (PDMVPh) and poly(2,6-diisopropyl-4-vinyl phenol) (PDIPVPh) blends with poly(n-butyl methacrylate) and an ethylene-co-vinyl acetate (EVA) copolymer are used to calculate theoretical miscibility windows for the homologous series of poly(n-alkyl methacrylate)s and the...
Equilibrium constants that describe the self-association of poly(2,6-dimethyl-4-vinyl phenol) and poly(2,6-diisopropyl-4-vinyl phenol) together with their interassociation to complimentary (co)polymers that contain carbonyl moeties, such as methacrylates and acetoxy groups, have been determined from i.r. studies of miscible polymer blend systems containing poly(n-butyl methacrylate) and an ethylene-co-vinyl...
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