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BR-200 Series Oligomers...

Difunctional polyether methacrylates.
These oligomers demonstrate low toxicity, good hydrolytic stability, and excellent adhesion to a variety of substrates. 
They can be used in UV/EB or in free-radical thermal cure formulations.

 
OLIGOMER PROPERTIES FORMULATED PROPERTIES IN 30% IBOA
2% Omnirad 481
Oligomer f Oligomer Type MW
Neat Oligomer Viscosity
Tg*
(°C)		 Viscosity
cP @25°C		 Tensile
Strength, psi		 Elong. %
@ break		 Durometer
(hardness)
BR-202
2 
Aromatic
Low 
100,000 cP
@25°C
32
3000 
1800 
75 
66D
BR-204
2 
Aromatic
High 
15,000 cP
@25°C
-43
1800 
500 
160 
42A 

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


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