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446084 Sigma-Aldrich

Polyurethane diol solution

average Mn ~320, 88 wt. % in H2O

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Properties

Related Categories Engineering Polymers, Materials Science, Polymer Science, Polymers, Polyurethanes and Urethane Precursors More...
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

Description

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).

Packaging

1 L in glass bottle

250 mL in glass bottle

Features and Benefits

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

Physical form

Dihydroxy-functional oligomer. Aliphatic urethane of proprietary composition

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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