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BR-300 Series Oligomers

Aromatic and aliphatic mono- and difunctional polyether urethane acrylates. This is a workhorse family of oligomer products. Applications range from adhesives, including laminating and pressure sensitives, to high quality coatings for wood, metal and glass.
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-301
2
Aromatic
Low
700,000 cP
@50°C
 68
140000
 9000
3
87D
BR-302
2
Aromatic
Low
15,000 cP
@50°C
11
 5000
1000
70
57D
BR-303E
2
Aromatic
High
115,000 cP
@25°C
-29
4500 
460
266
28A
BR-304
2
Aromatic
High
20,000 cP
@25°C
-40
3500
250
100
37A
BR-344
2
Aliphatic
High
20,000 cP
@25°C
-48
 2150
 120
110
34A
BR-372
2
Aliphatic 
Low

40,000 cP
@50°C
36
 11600

1550

60

65D
BR-374
2

Aliphatic
High

35,000 cP
@25°C

-48

4100

220

100

49A
BR-3042

2

Aromatic
High

20,000 cP
@50°C

-37

12500

100

 500

24A
BR-3071

1

Aromatic
High

92,000 cP
@25°C

-40

9200

260

 350

52A
BR-3641AA

1.3

Aliphatic
High

24,000 cP
@50°C

-50

12000

205

 5280

<20A
BR-3731

2

Aliphatic
High

30,000 cP
@50°C

-36

11800

220

 90

52A
BR-3741AB

1.3

Aliphatic
High

55,000 cP
@50°C

-49

22800

340

 1050

26A

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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