Trade name: FARIDA DMDPB
Common name: DMDPB
Chemical name: 2,3-Dimethyl-2,3-diphenylbutane
Molecular Formula: C18H22
Molecular weight: 238.4
CAS NO: 1889-67-4
EINECS/ELINCS NO: 217-568-2
Chemical Structure:
Half-life data
The reactivity of a C-C initiator is usually given by its half-life at various temperatures. For DMDPB in chlorobenzene:
0.1 hr at 284℃ (543℉)
1 hr at 259℃ (498℉)
10 hr at 237℃ (459℉)
Application
As a newpolymer additive, FARIDA DMDPBcan be usedas synergist for flame retardancy, and catalyzator or initiator for the crosslinking and graft copolymerization of polymeric materials , widely used for modifying the properties of polymer materials such as polyolefin, acrylic, polycarbonate and polyether, etc..
Characteristics
Appearance |
White to light yellow flakes |
Odor |
Faint |
Active material |
95.0% min. |
Density |
1.1g/cm3(20℃/ 68℉) |
Melting point/freezing point |
90 - 110 ℃ / 194 - 230 ℉ |
Specific gravity |
=1.1 (20℃/ 68℉) |
Melting range |
90-110℃ |
Bulk density |
0.45 g/cm(20℃/ 68℉) |
Boiling point |
306.1°C at 760 mmHg |
Flashing point |
142.7°C |
Solubility |
Insoluble (20℃/ 68℉) ; Soluble in toluene (20℃/ 68℉) |