Property‐morphology relationships of polymethylmethacrylate/polyvinylidenefluoride blends

Jovan Mijović; Hong‐Lie ‐L Luo; Chang Dae Han

doi:10.1002/pen.760220404

Property‐morphology relationships of polymethylmethacrylate/polyvinylidenefluoride blends

Jovan Mijović, Hong‐Lie ‐L Luo, Chang Dae Han

Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

An investigation was conducted to establish property‐morphology relationships in polymethylmethacrylate/polyvinylidenefluoride (PMMA/PVDF) blends. All blends were compounded in a twin‐screw extruder and then processed by injection molding Mechanical properties of blends of various compositions were studied by dynamic mechanical and impact strength measurements. The presence of crystalline regions in blends was determined by Differential Scanning Calorimetry (DSC). Morphology of fracture surfaces of blends was studied by Spinning Electron Microscopy (SEM). PMMA/PVDF blends were found to form compatible mixtures over a wide range of blend composition. Changes in dynamic mechanical properties upon annealing were found to be a direct function of blond morphology. Electron microscopic evidence showed no signs of phase separation. DSC measurements detected crystalline regions in all blends containing 40 percent or more (by weight) PVDF.

Original language	English (US)
Pages (from-to)	234-240
Number of pages	7
Journal	Polymer Engineering & Science
Volume	22
Issue number	4
DOIs	https://doi.org/10.1002/pen.760220404
State	Published - Mar 1982

ASJC Scopus subject areas

General Chemistry
Polymers and Plastics
Materials Chemistry

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abstract = "An investigation was conducted to establish property‐morphology relationships in polymethylmethacrylate/polyvinylidenefluoride (PMMA/PVDF) blends. All blends were compounded in a twin‐screw extruder and then processed by injection molding Mechanical properties of blends of various compositions were studied by dynamic mechanical and impact strength measurements. The presence of crystalline regions in blends was determined by Differential Scanning Calorimetry (DSC). Morphology of fracture surfaces of blends was studied by Spinning Electron Microscopy (SEM). PMMA/PVDF blends were found to form compatible mixtures over a wide range of blend composition. Changes in dynamic mechanical properties upon annealing were found to be a direct function of blond morphology. Electron microscopic evidence showed no signs of phase separation. DSC measurements detected crystalline regions in all blends containing 40 percent or more (by weight) PVDF.",

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Property‐morphology relationships of polymethylmethacrylate/polyvinylidenefluoride blends

Abstract

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