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446084

Sigma-Aldrich

Polyurethane diol solution

average Mn ~320, 88 wt. % in H2O

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About This Item

MDL number:
MFCD00241502
UNSPSC Code:
12162002
NACRES:
NA.23

form

liquid

Quality Level

100

mol wt

average Mn ~320

composition

urethane, 37%

concentration

88 wt. % in H2O

refractive index

n20/D 1.47

viscosity

8,000 cP(25 °C)(lit.)

acid number

0.6 mg KOH/g(dry basis)

hydroxyl value

350 mg KOH/g(dry basis)

solubility

H2O: soluble

density

1.14 g/mL at 25 °C

Categorías relacionadas

General description

Polyurethane diol solution (PUD) is a synthetic polymeric solution that is used as a modifier that is formed by condensation of isocyanates and polyalcohols. It modifies water soluble resins and emulsions which can be used in automotive coating applications.

Application

Modifier for water-soluble resins and emulsions in wood, appliance and auto coatings.
PUD may be used to control the cohesion of silver (Ag) inks which can be printed to form transparent conducting electrodes. These printed electrodes can be used in the fabrication of organic solar cells (OSCs). It may also be used as an electrolyte for dye sensitized solar cells (DSSCs).

Features and Benefits

Hydrolytically stable, improves flow and leveling and gives high film hardness.

Physical form

Dihydroxy-functional oligomer. Aliphatic urethane of proprietary composition

Other Notes

This product contains both primary and secondary hydroxyl functionality.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Roll-offset printed transparent conducting electrode for organic solar cells.
Kim I, et al.
Thin Solid Films, 580(2), 21-28 (2015)
Isolation of a Pseudomonas aeruginosa strain from soil that can degrade polyurethane diol.
Mukherjee K, et al.
Biodegradation, 22(2), 377-388 (2011)
High efficient plastic solar cells fabricated with a high-throughput gravure printing method.
Kopola P, et al.
Solar Energy Materials and Solar Cells, 94(10), 1673-1680 (2010)
Effects of Sodium Iodide (NaI) on Electro-Conductivity with Polyurethane-Diol Organic Electrolyte for Dye-Sensitized Solar Cell (DSSC).
Solid State Phenomena, 268(10), 358-362 (2017)

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