Formation mechanism of thermally expandable microspheres of PMMA encapsulating NaHCO3 and ethanol via thermally induced phase separation
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DOI: 10.1039/c7ra10132e
Abstract: Thermally expandable microspheres (TEMs), employing PMMA as the shell and NaHCO3/ethanol as the core, were prepared via thermally induced phase separation (TIPS). The addition of NaHCO3 improves the foaming properties of the TEMs. A mechanism… read more here.
Keywords: phase; mechanism; formation; nahco3 ethanol ... See more keywords
Preparation and Properties of Thermoplastic Expandable Microspheres with P(AN-MMA) Shell
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DOI: 10.1134/s1070427217010123
Abstract: Thermoplastic expandable microspheres (TEMs) having a core/shell structure were prepared via suspension polymerization with acrylonitrile (AN) and methyl methacrylate (MMA) as monomers and i-butane as blowing agent. The relationship between monomer compositions and expansion properties… read more here.
Keywords: particle size; expansion; shell; expandable microspheres ... See more keywords
Optimization of injection parameters to obtain selected properties on foamed PP with hollow glass microspheres and thermally expandable microspheres using Taguchi method
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DOI: 10.1177/0021955x20943097
Abstract: A foaming system composed by hollow glass microspheres (HGM) and thermally expandable microspheres (EM) was used to achieve a balance between selected properties of foamed polypropylene (PP) by injection molding, combining the higher flexural properties… read more here.
Keywords: thermally expandable; selected properties; glass microspheres; injection ... See more keywords