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
682659
Nanoclay, hydrophilic bentonite
Synonym(s):
Nanomer® PGV, Nanomer® clay, Montmorillinite clay, bentonite
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About This Item
Recommended Products
form
powder
Quality Level
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
- Rheology control
- Increase barrier
- Enhance chemical resistance
Legal Information
Product of Nanocor®, Inc.
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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Nanoclays are clay minerals optimized for use in clay nanocomposites– multi-functional material systems with several property enhancements targeted for a particular application.
Nanoclays like montmorillonite and bentonite are used in polymer-clay nanocomposites, rheology modifiers, and drug delivery carriers.
We have discussed shortly the applications of 1:1 and 2:1 phyllosilicate material in membrane technology, as well as the basic geometric understanding of their layered structures.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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.pdfHelpful?
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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-
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 ammoniumHelpful?
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