4,4'-Methylenebis(N,N-diglycidylaniline) Cas 28768-32-3
High heat resistance/ High adhesion/ High toughness
Glass transition temperature can reach 260 °C
CAS No.:28768-32-3
MF:C25H30N2O4
MW:422.52
EINECS:249-204-3
Specification
Appearance Light yellow transparent viscous liquid
Chroma (G) <10
Epoxy value eq/100g 0.80~0.90
Viscosity 3000~6000
Volatile (%) <0.6
Hydrolysis of chlorine (%) <0.1
Inorganic chlorine (%) <0.002
Applications
- High-performance carbon fiber or glass fiber composite materials;
- High-performance structural adhesives;
- Plastic materials, electronic encapsulation materials, PCB laminates;
- High-energy radiation devices.
Curing agent MTHPA Methyl nadie anhydride Diamino diphenyl sulfone Aromatic amine
Amount of curing agent Phr 130 140 40 35
Accelerator amount Phr ZH-210 1 ZH-210 1
Curing conditions 80°C/2h+100°C 80°C/3h+160°C 80°C/2h+110°C/h+150°C 150°C/2h+180°C
/h+160°C/6h /2h+180°C/6h /4h+200°C/7h
Bending Strength Mpa 86 90 89 120
The flexural modulus Mpa 3200 3300 3400 3000
Tensile Strength Mpa 36 18 60 72
Tensile modulus Mpa 3100 3150 3700 3200
Elongation at break % 2.3 1.6 1.8 2.8
Impact strength Kj/M2 10.4 12.5 16 18
Tg Temperature (DSC) 210-220 220-230 250-260 230-240
HDT °C 205-215 215-225 245-255 255-235
Electrc Volume Resistivity 5*1015 5*1015 1.0*1016 1.1*1016
Electrical surface resistivity 1*1016 1*1016 4.2*1016 7.1*1016
break-over voltage 26 26 28 28
Usage:
- Often with amines, acid anhydrides, imidazole curing agent, such as diethyl tetramethyl imidazole, 4,4 - diamino diphenyl sulfone (DDS), 2,4 - diethyl-6 - methyl-1 3 - phenylethylamine, etc.;
- Can be added polysulfide rubber, nitrile rubber as a toughening agent