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69866

Sigma-Aldrich

Montmorillonite

K 10, powder

Synonym(s):

K-Catalyst

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352106
NACRES:
NA.22

Quality Level

form

powder

pH

3-4

InChI

1S/2Al.4O2Si.H2O.3O/c;;4*1-3-2;;;;/h;;;;;;1H2;;;/q2*+3;;;;;;3*-2

InChI key

GUJOJGAPFQRJSV-UHFFFAOYSA-N

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General description

Montmorillonite is a layered clay mineral (2:1 phyllosilicate) that belongs to a class of the smectite group. It is a naturally abundant material and is chemically modified by the cation-exchange method for the preparation of polymer nanocomposites.

Application

Montmorillonite has been used as:
  • A nanofiller to improve the mechanical properties of poly(vinyl alcohol) (PVA) film for potential usage in packaging applications.
  • A catalyst in the conversion of polar and non-polar algae oil lipids to biodiesel.


It can also be used:
  • As a nanofiller in the preparation of biopolymer based nanocomposites.
  • In the preparation of Fe3+-montmorillonite, a solid acid catalyst for the synthesis of xanthenedione derivatives.

Other Notes

Solid Lewis acid catalyst

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Poly (vinyl alcohol): Montmorillonite: Boiled rice water (starch) blend film reinforced with silver nanoparticles; characterization and antibacterial properties.
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Tetrahedron Letters, 34, 1197-1197 (1993)
Biopolymer chitosan/montmorillonite nanocomposites: preparation and characterization.
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Polymer Degradation and Stability, 90(1), 123-131 (2005)
Thermal degradation kinetics and isoconversional analysis of biodegradable poly (3-hydroxybutyrate)/organomodified montmorillonite nanocomposites.
Achilias DS, et al.
Thermochimica Acta, 514(1-2), 58-66 (2011)
Conversion of polar and non-polar algae oil lipids to fatty acid methyl esters with solid acid catalysts-A model compound study.
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Bioresource Technology, 191(1-2), 300-305 (2015)

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