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
793663
Graphene dispersion
forinkjet printing, with ethyl cellulose in cyclohexanone and terpineol, inkjetprintable
Synonym(s):
inkjetting ink, conductive ink
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About This Item
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Product Name
Graphene ink, for inkjet printing, with ethyl cellulose in cyclohexanone and terpineol, inkjet printable
Quality Level
form
liquid
greener alternative product characteristics
Design for Energy Efficiency
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sustainability
Greener Alternative Product
concentration
2.4 wt. % (solid (graphene and ethyl cellulose) in cyclohexanone/terpineol)
resistivity
0.003-0.008 Ω-cm (thermally annealed 250°C for 30 minutes, film thickness >100 nm)
particle size
≤3 μm
surface tension
30 dyn/cm
viscosity
8-15 mPa.s(30 °C)
bp
213-218 °C (Terpineol)
density
0.9375 g/mL at 25 °C
greener alternative category
SMILES string
OC(C1=C2C(C3=C(C4=C(C5=C(C6=C(C7=C(C8=C(C9=C(C%10=C(C%11=C(C%12=C(C%13=C(C%14=C(C%15=CC=C%16O)C%16=C%17)C%17=C%18)C%18=C%19C(O)=O)C%19=C%20)C%20=C%21O)C%21=C%22)C%22=C%23)C%23=C%24O)C%24=C%25)C%25=C%26C(O)=O)C%26=C%27)C%27=C2)=C%28C%29=C(C%30=C%31C%28=C%3
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General description
Application
Curing Condition: 250-350°C, 20-30min
This ink was tested on polyimide and silicon dioxide substrates.
Other Notes
Legal Information
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
10 - Combustible liquids
WGK
WGK 2
Flash Point(F)
143.6 °F
Flash Point(C)
62 °C
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
EU REACH Annex XVII (Restriction List)
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Articles
Functional materials for printed electronics applications enable flexible displays, RFID tags, and biomedical sensors.
Graphene is a unique two-dimensional (2D) structure of monolayer carbon atoms packed into a dense honeycomb crystal that has attracted great interest due to its diverse and fascinating properties.
Graphene's unique properties spark interdisciplinary interest; its honeycomb structure offers electrical, optical, and mechanical marvels.
Since its discovery little more than a decade ago,1 the two-dimensional (2D) allotrope of carbon—graphene—has been the subject of intense multidisciplinary research efforts.
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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?
1 answer-
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?
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¿Cuál es la concentración de grafeno que tiene? ¿Y la de etilcelulosa?
1 answer-
The ink is 2.4 wt.% (solid (graphene and ethyl cellulose) in cyclohexanone/terpineol) but the ratio of graphene to ethyl cellulose is not quantified or assayed.
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Is this suitable for bioprinters. The 5 ml of ink does it come in a 5 ml syringe ready for printing?
1 answer-
This product is packaged in a 5 mL glass vial but it will need to be transferred to a syringe or other appropriate receptacle prior to being used in bioprinting applications.
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