Bomar Specialties Company UV/EB Curing Advanced Performance Oligomers

BR-600 Series Oligomers - Polybutadiene Urethane Acrylates (PBDUA)

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BR-600
Series Oligomers

 Polybutadiene urethane acrylates (PBDUA)
Designed to meet rigorous electronic applications, PBDUAs have many desirable properties typical of PBD resins,
combined with radiation curability via UV/EB. Recommended for applications requiring lowmoisture pickup,
thermal cycling resistance, and high dielectric constant.		 Polybutadiene Urethane Acrylates (PBDUA)
OLIGOMER PROPERTIES FORMULATED PROPERTIES IN 30% IBOA
2% Omnirad 481
f Oligomer
Type		 MW Neat
Oligomer Viscosity		 Tg*
(°C)		 Viscosity
cP @ 25°C		 Tensile
Strength, psi		 Elong. %
at break		 Durometer
(hardness)

BR-643

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 2 Aliphatic Med 65,000 cP
@ 50°C		 -16 15250 1120 57 84A BR-643 Aliphatic Oligomer - Hydrolytic Stability BR-643 Aliphatic Oligomer - Oil & Chemical Resistance     BR-643 Aliphatic Oligomer - Adhesion BR-643 Aliphatic Oligomer - Gloss
 

 

f = (meth)acrylate functionality
*Glass transition temperature measured by DMA, peak tan delta.

MOLECULAR WEIGHT

LOW:  less than 2000 glmol
MED:  2000-4000 glmol
HIGH:  greater than 4000 glmol

  

Download the 2010 UV/EB Oligomer Product Guide.
This guide features property tables to assist formulators in oligomer selection.
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.pdf versions of available information.
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