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Bomar Oligomers® BR-144H15

1 of 88 products in this brand

BR-144H15 is a trifunctional polyether urethane acrylate with excellent weatherability properties, fast cure speeds, and abrasion and solvent resistance. BR-144H15 is suitable for abrasion resistant wood coatings, hydrolytically stable inks, and coatings requiring additional cure speed with multifunctional oligomers.

Chemical Family: Urethane Acrylate/Isocyanate

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
Technologies

Features & Benefits

Features
  • Rapid cure speed
  • Exhibits hydrolytic stability
  • Low color / non-yellowing
  • High gloss
  • Enhances weatherability
  • Improves abrasion resistance

Applications & Uses

Compatible Substrates & Surfaces
Applications
  • Wood coatings
  • Graphic arts
  • Hydrolytically stable coatings

Properties

Typical Properties
ValueUnitsTest Method / Conditions
FluorescingBlue--
RheologyNewtonian--
Cured Properties
ValueUnitsTest Method / Conditions
Durometer HardnessD55--
Elongation at Break400.0%-
Modulus of Elasticity99 [14,500]MPa (psi)-
Nominal Viscosity250.0cP-
Tensile at Break1100.0MPa (psi)-

Technical Details & Test Data

Test Data

Adhesion Properties

Substrate I30 I50 TM50 TP50 H50 HE30
ABS     XXX   X  
Aluminum            

Cold Rolled Steel

  X   X   X
Glass           X
HDPE            
PET X XX X X XX XXX
PMMA     XXX   XXX X
Polycarbonate X X   X X  
Polypropylene            
PVC   X       X
Stainless Steel            

X Recommended XX Highly Recommended XXX Strongly Recommended

Typical Formulations

Test Formulation Name 130 150 TM50 TP50 H50 HE30
BR-742M 70 50 50 50 50 70
IBOA 30 50        
TMPTA     50      
TPGDA       50    
HDDA         50  
HEMA           30
Omnirad 184 2 2 2 2 2 2
Viscosity, 25°C* 2,900 500 2,400 500 200 1,000

* Brookfield – CAP 2000+ @ 25°C.

Cured Mechanical Properties

Property I30 I50 TM50 TP50 H50 HE30

Tensile Strength, psi**

4,500 7,400 6,900 5,400 6,000 4,100
Elongation, 6** 9.5 4.5 2 10 6.5 25

Elastic Modulus, ksi*

240 340 370 240 220 200

Durometer Hardness

87D 88D 92D 86D 87D 55D

Water Absorption, 96 (24 hrs)

0.35 0.25 0.38 0.45 0.31 146

MEK Double Rubs (#)

55 49 >200 >200 190 32
Tg(DMA)=89°C; Peak tan delta; cured with 2 phr of Omnirad® 184
Viscosity Reduction with Reactive Diluents

Bomar Oligomers® BR-144H15 - Viscosity Reduction With Reactive Diluents