Low density composites of sodium montmorillonite and poly(amide-imide) polymers have been created using an ice templating method, which serves as an alternative to the often-difficult foaming of high temperature/high performance polymers. The starting polymer was received in the poly(amic acid) form which can be cured using heat, into a water insoluble amide-imide copolymer. The resulting mater...

The article deals with the preparation, properties and the usage of polymer barrier films. The problem of exfoliation and dispersion of the filler in the polymer matrix and mechanical properties of barrier films is discussed. This problem is connected with the use of nanofiller either in the polymer matrix or on the surface of prepared films. Together the evaluating comparison of used nanofille...

Polymer-layered silicate nanocomposites belong to a new class of hybrid materials consisting of organic-synthetic polymer matrix and inorganic filler-layered structure clay minerals. The paper presents the results of FTIR, NMR, and SAXS studies of poly(ε-caprolactone)/sodium montmorillonite nanocomposites. We observed a correlation between the concentration of poly(ε-caprolactone) in nanocompos...

The recently developed Zurich Ice Nucleation Chamber (ZINC) was used to explore ice nucleation of size-selected mineral dust particles at temperatures between −20C and −55C. Four different mineral dust species have been tested: montmorillonite, kaolinite, illite and Arizona test dust (ATD). The selected particle diameters are 100 nm, 200 nm, 400 nm and 800 nm. Relative humidities with respect t...

Thermoplastic starch, polylactic acid glycerol and maleic anhydride (MA) were compounded with natural montmorillonite (MMT) through a twin screw extruder to investigate the effects of different loading of MMT on structure, thermal and absorption behavior of the nanocomposites. X-ray diffraction analysis (XRD) showed that sample with MMT loading 4phr exhibited exfoliated structure while sample t...

The influence of montmorillonite (MMT) on the thermal properties polyvinylpyrrolidone (PVP) was studied by differential and thermogravimetric analyses. It found that samples montmorillonite-polyvinylpyrrolidone mixture are characterized higher stability than sample pure PVP. is shown degree increase in temperature beginning destruction depends ratio mixture's components. composition MMT:PVP = 1...

Xanthan gum (XG) biopolymer-based soil treatment is an effective improvement method. In this study, we explored the effect of XG on undrained shear strength clays (kaolinite and montmorillonite) in chemically distinct pore fluids. Among fluids tested, kaolinite was highest kerosene, followed by deionized (DI) water brine. This study hypothesized that interparticle forces interactions dominated ...

The clay–microbial consortium is ubiquitous in the soil near mining area and plays an important role transport of heavy metals. In this study, Chlorella sorokiniana FK was separated from lead–zinc mine tailings. montmorillonite– system as a typical case applied to study Pb(II) biomineralization presence usually co-existent Ca(II) further reduce migration transformation environment. showed good ...