There is no indication that this material has an OH–CH₂–CH₂–Si (Si–O–C) linkage. The end group is simply a dimethylsilanol, -Si(CH3)2-OH.
481955
Poly(dimethylsiloxane), hydroxy terminated
viscosity ~65 cSt
Synonyma:
PDMS
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| Vám/Skladová položka | Dostupnost | Cena |
|---|---|---|
100 mL | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 2 520,00 Kč |
500 mL | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 8 850,00 Kč |
O této položce
Číslo CAS:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:
2 520,00 Kč
Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti.
Technický servis
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refractive index
n20/D 1.406
viscosity
~65 cSt
bp
>200 °C
density
0.97 g/mL at 25 °C
SMILES string
C[Si](C)(O)O
InChI
1S/C2H8O2Si/c1-5(2,3)4/h3-4H,1-2H3
InChI key
XCLIHDJZGPCUBT-UHFFFAOYSA-N
Application
- Effects of surface modification with hydroxyl terminated polydimethylsiloxane on the corrosion protection of polyurethane coating: This study investigates the improvement of corrosion resistance in polyurethane coatings through modification with hydroxy-terminated PDMS, highlighting its effectiveness in enhancing protective properties (JH Jeon, MY Shon, 2014).
- Fabrication of silicone modified polyurethane matrix superhydrophobic coating with hydroxy-terminated polydimethylsiloxane modified SiO2 nanoparticles: The study explores the use of hydroxy-terminated PDMS in creating superhydrophobic surfaces for coatings, showing its utility in advanced material applications (Y Cui et al., 2022).
- High glass transition temperature shape‐memory materials: Hydroxyl‐terminated polydimethylsiloxane‐modified cyanate ester: This research demonstrates the use of hydroxy-terminated PDMS to modify cyanate esters to create materials with high glass transition temperatures and shape-memory properties (Z Li et al., 2020).
- The preparation and properties study of polydimethylsiloxane-based coatings modified by epoxy resin: This paper discusses the modification of PDMS with epoxy resin to enhance the performance of coatings, providing insights into its potential for creating more durable and effective surface treatments (C Zhou et al., 2016).
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Tato položka | |||
|---|---|---|---|
| description viscosity ~65 cSt | description viscosity ~750 cSt | description viscosity 3,500 cSt | description viscosity 18,000-22,000 cSt |
| refractive index n20/D 1.406 | refractive index n20/D 1.406 | refractive index n20/D 1.405 | refractive index n20/D 1.404 |
| viscosity ~65 cSt | viscosity ~750 cSt | viscosity 3,500 cSt | viscosity 18,000-22,000 cSt |
| density 0.97 g/mL at 25 °C | density 0.97 g/mL at 25 °C | density 0.98 g/mL at 25 °C | density 0.97 g/mL at 25 °C |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| bp >200 °C | bp - | bp - | bp - |
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Skladovací třída
10 - Combustible liquids
wgk
WGK 1
ppe
Eyeshields, Gloves
flash_point_f
>235.4 °F - closed cup
flash_point_c
> 113.00 °C - closed cup
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Does hydroxy-terminated PDMS have an OH–CH₂–CH₂–Si (Si–O–C) linkage instead of a direct Si–C bond at the chain end?
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How can I determine the shelf life / expiration / retest date of this product?
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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/418/501/product-dating-information-06-25-mk.pdfHelpful?
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Where can I find the average molecular weight?
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The molecular weight of this product is approximately 3200 Da.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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
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