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Prediction of the phase structure in polymer blends: what is needed for success?
Author(s) -
Fortelný Ivan
Publication year - 2001
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/1521-3900(200106)170:1<99::aid-masy99>3.0.co;2-r
Subject(s) - coalescence (physics) , polymer , materials science , statistical physics , polymer blend , phase (matter) , reliability (semiconductor) , component (thermodynamics) , thermodynamics , chemical physics , mechanics , biological system , physics , chemistry , copolymer , composite material , organic chemistry , power (physics) , astrobiology , biology
Rules for prediction of the phase structure in immiscible polymer blends from the knowledge of their composition, component properties and the flow field in a mixing or processing device are discussed. The reliability of qualitative prediction of the dependence of phase structure on system parameters is used as a criterion of plausibility of the rules. No general reliable rule for prediction of the phase structure type (continuity of phases) is available in the literature. Dependence of the droplet break‐up frequency on its size, contribution of simultaneous collisions of three or more droplets to coalescence and the effect of complex flow field on coalescence must be better described for a reliable qualitative prediction of the dependence of the droplet size on the system parameters.