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Merck
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主要文件

69866

Sigma-Aldrich

蒙脱土

K 10, powder

别名:

K-催化剂

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100 G
$58.70
1 KG
$117.00

$58.70


预计发货时间2025年4月21日详情


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100 G
$58.70
1 KG
$117.00

About This Item

CAS号:
EC 号:
MDL编号:
UNSPSC代码:
12352106
NACRES:
NA.22

$58.70


预计发货时间2025年4月21日详情


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质量水平

表单

powder

pH值(酸碱度)

3-4

SMILES字符串

[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

InChI key

GUJOJGAPFQRJSV-UHFFFAOYSA-N

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相关类别

一般描述

蒙脱石是一种层状蒙脱石类粘土矿物(2:1层状硅酸盐)。它是一种天然丰富的材料,并可通过阳离子交换方法进行了化学修饰,以制备聚合物纳米复合材料。[1]

应用

蒙脱石已用作:
  • 一种纳米填料,以改善聚乙烯醇(PVA)膜的机械性能,可用于包装用途。[2]
  • 极性和非极性藻类油脂质向生物柴油转化的催化剂。[3]


它也可用于:
  • 作为纳米填料,制备基于生物聚合物的纳米复合材料。[4]
  • 制备Fe3+-蒙脱石,一种用于合成黄二酮衍生物的固体酸催化剂。[5]

其他说明

固体路易斯酸催化剂[6][7]

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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其他客户在看

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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