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Merck
CN

659444

Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene, sulfonated, cross-linkable solution

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About This Item

Linear Formula:
[CH2CH(C6H4SO3H)]w(CH2CH2)x[CH2CH(C2H5)]y[CH2CH(C6H4SO3H)z
UNSPSC Code:
26111700
MDL number:
MFCD07785561

Key Documents

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composition

styrene, 29 wt. % , sulfonated styrene units, 55-56% , vinyl silane cross-linking agent, <0.5%

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

concentration

5 wt. % in 1-propanol and dichloroethane

conductivity

0.1078 S/cm (The ionic conductivity can increase up to 50% when heating from RT to 67°C)

density

0.800 g/mL at 25 °C

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

Cross-linkable solid polymeric electrolyte.
Material becomes cross-linked with 800-1,000 mJ/cm2 UV exposure after drying at 110 °C for 10-15 min; or at 140-150 °C for 1 min.

Preparation Note

To cast a film:
1. Concentrate solution to 600 centapoise viscosity (typically 6-9 wt. % polymer).
2. Preheat the casting surface to 35 °C. A clean, flat PTFE-coated glass surface is recommended.
3. Secure a silicone release liner to the casting surface.
4. Place a small drop of the polymer solution on the release liner.
5. Draw the polymer solution down the release liner.
6. Dry the film for 30 min. For controlled evaporation it is recommended to cover surface with aluminum foil that has been perforated with small pinholes.
Treat with 0.5M Sulfuric acid for 20 min to strengthen after cross-linking.

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Danger

Hazard Classifications

Carc. 1B - Eye Dam. 1 - Flam. Liq. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

51.8 °F - closed cup

flash_point_c

11 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
11615JD

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