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69866

Sigma-Aldrich

Montmorillonite

K 10, powder

Synonim(y):

K-Catalyst

Zaloguj sięWyświetlanie cen organizacyjnych i kontraktowych

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100 G
140,00 zł
1 KG
322,00 zł

140,00 zł


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100 G
140,00 zł
1 KG
322,00 zł

About This Item

Numer CAS:
Numer WE:
Numer MDL:
Kod UNSPSC:
12352106
NACRES:
NA.22

140,00 zł


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Formularz

powder

pH

3-4

ciąg SMILES

[Si](=O)=O.[Si](=O)=O.[Si](=O)=O.[Si](=O)=O.[Al+3].[Al+3].[O-2].[O-2].[O-2].O

InChI

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

Klucz InChI

GUJOJGAPFQRJSV-UHFFFAOYSA-N

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Opis ogólny

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.[1]

Zastosowanie

Montmorillonite has been used as:
  • A nanofiller to improve the mechanical properties of poly(vinyl alcohol) (PVA) film for potential usage in packaging applications.[2]
  • A catalyst in the conversion of polar and non-polar algae oil lipids to biodiesel.[3]


It can also be used:
  • As a nanofiller in the preparation of biopolymer based nanocomposites.[4]
  • In the preparation of Fe3+-montmorillonite, a solid acid catalyst for the synthesis of xanthenedione derivatives.[5]

Inne uwagi

Solid Lewis acid catalyst[6][7]
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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)


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Certyfikaty analizy (CoA)

Lot/Batch Number

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Klienci oglądali również te produkty

O. Sieskind et al.
Tetrahedron Letters, 34, 1197-1197 (1993)
Biopolymer chitosan/montmorillonite nanocomposites: preparation and characterization.
Wang SF, et al.
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)
Poly (vinyl alcohol): Montmorillonite: Boiled rice water (starch) blend film reinforced with silver nanoparticles; characterization and antibacterial properties.
Mathew S, et al.
Applied Clay Science, 161(1-2), 464-473 (2018)
Fe3+-montmorillonite as a cost-effective and recyclable solid acidic catalyst for the synthesis of xanthenediones.
Song G, et al.
Catalysis Communications, 8(4), 673-676 (2007)

Questions

1–4 of 4 Questions  
  1. Can this be used as a nucleating agent? If yes, is there a size associated with the particles?

    1 answer
    1. Dry sieve residue 63 μm is between 10 - 22 % for this product. Usage of this item is predominantly reported for organic synthesis as a solid lewis acid catalyst or nanofiller. Consult specific research to determine if the material has been used for a similar application. A couple of articles that may be of potential interest to you are defined below.

      https://link.springer.com/article/10.1023/A:1024981914234

      https://pmc.ncbi.nlm.nih.gov/articles/PMC10965523/

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  4. Could you please provide me with the CEC of your montmorillonite nanoclays?

    1 answer
    1. Among the Montmorillonite products listed, there is essentially no distinction in terms of Cation Exchange Capacity (CEC, reported in terms of milliequivalents per 100 grams of material). For Montmorillonite K10 (Products 69866 and 281522), the CEC has been variously reported as either 30-40 meq/100g or just 30 meq/100g. And for Montmorillonite K30 (Prodct 69904), the CEC has been reported as 30 meq/100g.

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