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.pdf
427160
Poly(vinylidene fluoride-co-hexafluoropropylene)
Synonyma:
PVDF-HFP
Vybrat velikost
| Vám/SKU | Dostupnost | Cena |
|---|---|---|
100 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 3 310,00 Kč |
1 kg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 8 800,00 Kč |
O této položce
3 310,00 Kč
form
pellets
Quality Segment
melt index
3.5-7.5 g/10 min (230°C/12.5kg)
feature
hydrophobic
impact strength
12-20 ft-lb/in. (Izod, ASTM D 256, notched)
dielectric constant
9.4-10.6, 100 Hz (ASTM D 150)
hardness
65-70 (Shore D, ASTM D 2240)
refractive index
n20/D 1.41
viscosity
23,000-27,000 poise(230 °C) (100 sec-1; typical)(lit.)
transition temp
brittleness temperature -62 °C (ASTM 2800), Tm 140-145 °C (ASTM D 3418)
density
1.77 g/mL at 25 °C
SMILES string
FC(F)=C.FC(F)=C(F)C(F)(F)F
InChI key
OQMIRQSWHKCKNJ-UHFFFAOYSA-N
General description
Application
It can be used to prepare superhydrophobic polymer nanocomposites. For example, PVDF-HFP- SiO2 composite can be used to enhance the thermochromism in regioregular poly(3-hexylthiophene), P3HT.
It can also be used to prepare lead-free piezoelectric flexible polymer composites for nanogenerators. PVDF-HFP can be preferred over other polymer matrices because of its higher solubility, greater free volume, and better mechanical strength.
Features and Benefits
Physical form
1 of 1
Tato položka | |||
|---|---|---|---|
| description - | description pellets | description average Mw ~455,000, average Mn ~110,000, pellets | description beads or pellets |
| viscosity 23,000-27,000 poise(230 °C) (100 sec-1; typical)(lit.) | viscosity 20,000-25,000 poise(230 °C) (100 sec-1)(lit.) | viscosity 23,000-27,000 poise(230 °C) (100 sec-1)(lit.) | viscosity - |
| refractive index n20/D 1.41 | refractive index n20/D 1.407 | refractive index n20/D 1.42 | refractive index n20/D 1.42 |
| form pellets | form pellets | form pellets | form beads or pellets |
| density 1.77 g/mL at 25 °C | density 1.78 g/mL at 25 °C | density 1.77 g/mL at 25 °C | density 1.78 g/mL at 25 °C |
| feature hydrophobic | feature hydrophobic | feature hydrophobic | feature hydrophobic |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
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Skladovací třída
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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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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