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Designer Molecules BMI-1500

Designer Molecules BMI-1500 is an amorphous, low molecular weight bismaleimide oligomer that exhibits good adhesion to a variety of substrates. It can be homo-cured via UV or free radical initiators to form tough, hydrophobic, cross-linked polyimides. The material has excellent low pH hydrolytic resistance and thermal stability. The amorphous nature of this imide-extended BMI allows it to form room-temperature-stable solutions in a variety of free radical reactive diluents. It is soluble in many common solvents such as toluene, xylene, MIBK, etc. .

Chemical Family: Imides

Features: Flame Retardant, Good Peeling Strength, Improves Adhesion, Thermal Resistance, Water Resistance

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Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies
Chemical Structure
  • Soluble in many reactive diluents  
  • High adhesion to various substrates 
  • Hydrophobic
  • Superior thermal stability

Designer Molecules BMI-1500 Chemical Structure

Features & Benefits

Applications & Uses

Compatible Polymers & Resins
Cure Method
RECOMMENDED FORMULATION USE

BMI-1500 is recommended for use as an additive or base resin in adhesives that are designed for high temperature resistance. It has excellent adhesion to a variety of substrates. When used as a base resin, it can produce adhesives that are tough, flexible and demonstrate good peel strength. BMI-1500 is compatible with PPE and Acrylates for free radical reaction and epoxy with anionic cure.

Properties

Physical Form
Appearance
Amber, viscous liquid
Typical Properties
ValueUnitsTest Method / Conditions
Functionality2
Molecular Weight (approximate)approx. 1504daltonsTGA
Weight Loss at 300°Cmax. 1.5%Cone and Plate @ 5 rpm
Viscosity at 60°C20,000 ± 10,000 cPCavity Perturbation
Dielectric Constant (Dk)2.42Method @ 20GHz
Dissipation Factor (Df)0.0021Instron
Elongation60%TGA
Td (5%)440°C
Continuous Operating Temperature (approximate)max. 180°C
Recommended Storage Temp5+°C or cooler°C