Encapsulation Epoxy
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A light-curable epoxy which sets at wavelengths of up to 600 nm and is safe for use with most organic materials.
Curing wavelength: up to 600 nm Usage: ~100 ul / substrate
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Printable HTML MSDS |
Datasheet |
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Ossila encapsulation epoxy achieves 5000 hours lifetime...
Ossila's EE1 Encapsulation epoxy can be used as an adhesive for organic light-emitting diodes and organic photovoltaics without damaging the polymer or cathode. In conjunction with a glass coverslip it can provide a robust barrier against ingress of oxygen and water to provide extended lifetimes for measurement and storage. Curing can be achieved with UV or visible wavelengths as long as 600 nm and at high intensities (100mW/cm^2) takes as little as 5 seconds. At lower intensities such as those found in many lab-scale light boxes curing time may be considerably longer at up to 20 minutes.
Use: For small substrates (up to ~2 cm^2), place a single drop of Encapsulation Epoxy dispensed from the end of a pipette onto the surface of the substrate and place a glass cover-slip over the top. The Encapsulation Epoxy will then spread under the weight of the cover-slip over the course of a few seconds. Check for voids under the cover-slip and if necessary gently press down on the cover-slip to remove. Place in a light-box and expose until hardened. To see the encapsulation process in progress see the Ossila fabrication video at www.ossila.com/support.
Note, the Encapsulation Epoxy should not be used on moist or alkaline surfaces and should not be allowed to come into contact with tin, brass or copper.
Please also note, if used in a glovebox the encapsulation epoxy should be allowed to degas any absorbed oxygen/water for at least 24 hours prior to first use.
| Viscosity | ~300 cps@23C |
| Colour | Amber to light brown transparent liquid |
| Cure Schedule | 5 to 30 seconds at 250 to 600 nm at 10 - 100mW/cm^2 |
| Refractive Index | 1.4957 |
| Specific Gravity | 1.17 |
| Cured Shore D Hardness | 92+ D |
| Tensile Strength | ~7,000 psi |
| Elongation | < 2% |
| Glass Transition Temperature | 130C |
| CTE | 20x10^-6 |
| Shelf Life | 12 months at 23C |
| Dielectric constant | 3.94@60Hz@20C |
| Volume resistivity | 3.0x10^14Ohm cm |
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| 1 week old device | 6 month old device |
To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.
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