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682659

Sigma-Aldrich

Nanoclay hydrophilic bentonite

Sinónimos:

Nanomer® PGV, Nanomer® clay, Montmorillinite clay, bentonite

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About This Item

Número de CAS:
1302-78-9
EC Number:
215-108-5
MDL number:
MFCD00132796
UNSPSC Code:
12352100
NACRES:
NA.23
En este momento no podemos mostrarle ni los precios ni la disponibilidad

form

powder

Quality Level

200

particle size

≤25 μm

SMILES string

[Si](=O)=O.[Si](=O)=O.[Si](=O)=O.[Si](=O)=O.[Al]21O[Al](O2)O1.O

InChI key

KARVSHNNUWMXFO-UHFFFAOYSA-N

Application

Polymer-Clay Nanocomposites: Design and Application of Multi-Funtional Materials
For representative application data and nanocomposite processing methods see datasheet G105.
Untreated (no organic modification) hydrophilic clay for dispersion in water-based polymers and coatings
  • Rheology control
  • Increase barrier
  • Enhance chemical resistance

Legal Information

Nanomer® clays are products of Nanocor Corporation
Product of Nanocor®, Inc.
Nanomer is a registered trademark of Amcol International Corporation

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
MKCS9287
MKCV2206
MKCV3371
MKCR3493
MKCQ5574

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Zoleikha Hajizadeh et al.
Scientific reports, 10(1), 11671-11671 (2020-07-17)
Geopolymers as aluminosilicate inorganic polymers and eco-friendly building materials which can be used as substrate for different kinds of composite. In this research, according to the fabrication of geopolymer based on bentonite as a substrate and embedment of NiFe2O4 nanoparticles
C H Hu et al.
Poultry science, 92(1), 143-150 (2012-12-18)
A total of 450 one-day-old Arbor Acres male chickens were used to investigate the effects of zinc oxide-montmorillonite hybrid (ZnO-MMT) on growth performance, intestinal structure, and function. The birds were allotted to 5 dietary treatments for 21 d, each of
A Christy Wyckoff et al.
PloS one, 8(3), e58630-e58630 (2013-03-14)
Prions, the infectious agent of scrapie, chronic wasting disease and other transmissible spongiform encephalopathies, are misfolded proteins that are highly stable and resistant to degradation. Prions are known to associate with clay and other soil components, enhancing their persistence and
Katarzyna Majchrzycka et al.
International journal of occupational safety and ergonomics : JOSE, 18(3), 375-385 (2012-09-22)
This study evaluated the bioactivity of polypropylene melt-blown filtering nonwovens used in respiratory protective devices (RPD) with a biocidal agent (alkylammonium microbiocides) on 2 mineral carriers. Two types of carriers were tested: a bentonite, with an aluminosilicate base, and a
C D Wu et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(1), 152-158 (2012-11-07)
The single-solute and bisolute sorption behaviour of phenol and trichloroethylene, two organic compounds with different structures, onto cetyltrimethylammonium bromide (CTAB)-montmorillonite was studied. The monolayer Langmuir model (MLM) and empirical Freundlich model (EFM) were applied to the single-solute sorption of phenol
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Questions

1–3 of 3 Questions  

  1. 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?

  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. Hi, I am choosing two types of nanoclay for my big scale formulation studies in research. May you please outline the main differences between Bentonite Nanoclay and Surfaced Modified Nanoclay? I could not find clear information from online.

    1 answer

    1. The difference between the nanoclays is the formulation. Product 682659 is the unmodified nano clay. The surface-modified nanoclays each contain a similar base clay.

      The surface-modified products have different functionalities:
      Product 682632 contains 15-35 wt. % octadecylamine, 0.5-5 wt. % aminopropyltriethoxysilane
      Product 682624 contains 35-45 wt. % dimethyl dialkyl (C14-C18) amine
      Product 682608 contains 25-30 wt. % trimethyl stearyl ammonium

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