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434787 Sigma-Aldrich

Polybutadiene

average Mn ~3,000 by VPO

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Properties

Related Categories Dienes, Hydrophobic Polymers, Materials Science, Polymer Science, Polymers More...
mol wt   average Mn ~3,000 by VPO
composition   cis-1,4, 75%
  trans-1,4, 24%
  vinyl, 1%
peroxide number   ≤10 mval/kg
refractive index   n20/D 1.524
viscosity   2,700-3,000 mPa.s(20 °C)(lit.)
mp   −6 °C
acid number   ≤0.3 mg KOH/g
iodine value   420‑480 g/100g
transition temp   pour point ~−50 °C
solubility   aliphatic hydrocarbons: soluble
density   0.9 g/mL at 25 °C (lit.)

Description

Application

Co-reactant for air curing coatings.

Packaging

250 mL in glass bottle

Features and Benefits

Low viscosity liquid that undergoes polymerization in the presence of oxygen and free radical generators. Unsaponifiable drying oil. Improves water and chemical resistance.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
>235.4 °F
Flash Point(C) 
>113 °C

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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