CH-50-W0 by United Initiators is 1,1-Di(tert.-butylperoxy)cyclohexane. It acts as an initiator (radical source) for the polymerization of monomers (e.g. styrene in bulk or suspension). It appears as a colorless, mobile liquid, which is de-sensitized with white oil and has a molar mass of 260,4 g/mol. It is readily miscible with high boiling aliphatic hydrocarbons. During process it provides many advantages like reduced residual monomer contents, no reaction with chain-modifiers (e.g. mercaptanes), no hydrolysis in alkaline media. CH-50-W0 is recommended with combination of more active peroxides (e.g. tert.butylperoxy 2-ethylhexanoate).
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CH-50-W0 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Active oxygen (W/W) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Critical temperature (SADT) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Half life time: 10h/1 h/1 min (0.1 m / isododecane) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Molecular Weight, Mw | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Peroxide content (W/W) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Recommended storage temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |