。Product description
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexyne-3
85% in mineral oil
Molecular weight : 286.4
Theoretical active Oxygen content : 11.17%
CAS No. : 1068-27-5
Specification
Appearance : clear liquid
Assay : 85.0±2.0%
Hydroperoxides as TBHP : 0.4% max.
Color : 100 Pt-Co max.
。Physical properties
Density, 20℃ : 880 kg/m3
Freezing point : 5-7℃
。Half life data
The most important characteristic of a crosslinking peroxide is its decomposition rate
expressed by its half life (t?) at various temperatures.
For LQ-DYBP in a EPDM compound:
t 0.1 hr 1hr 10hr
at 182℃ 157℃ 127℃
。Safety and handling
Keep away from open fire, sparks and other sources of heat or ignition. Avoid contact with
reducing agents (e.g. amines), acids, alkalis and heavy metal compounds (e.g. accelerators,
driers and metal soaps). Please refer to the Safety Data Sheet (SDS) for further information
on the safe storage, use and handling of LQ-DYBP. This information should be thoroughly
reviewed prior to acceptance of this product.
。Major decomposition products
Methane, Acetone, tert-Butanol, 2,5-Dimethyl-2,5-di(hydroxy)hexyne-3
。Packaging
Standard packaging size for LQ-TBPB is 25 kg net.
Smaller packaging size is available on request.
。Application
Polymerization of styrene
LQ-DYBP can be used for the polymerization and copolymerization of styrene in the temperature
range of 130-185℃.
Rubber crosslinking
Rubber compounds containing LQ-DYBP have excellent scorch safety.