United Initiators MYPC
Producer: United Initiators
White, greasy flakes, consisting of technically pure Dimyristylperoxydicarbonate. This long-chained aliphatic peroxydicarbonate is used as an initiator (radical source) in the polymerisation of monomers, e.g. vinylchloride.
Product Resources
Knowde Enhanced TDS
Identification & Functionality
Chemical Family
Chemical Name
Composite Materials Functions
CAS No.
53220-22-7
Technologies
Product Families
Applications & Uses
Markets
Composites Processing Methods
Use Level
0.03-0.15%
Applications
VINYLCHLORIDE: Initiator for the polymerisation of vinylchloride in bulk or suspension. Temperature range: 45-60°C. Dosage level: 0.03-0.15% as supplied. Particular advantages: less crust formation in the reactor, less "fish-eyes" in the polymer. We recommend a combination with thermally more stable peroxides, e.g. Dilauroyl peroxide (LP). A well-balanced combination produces an almost constant rate of polymerisation throughout the reaction period. The flakes enable almost dust-free handling (pouring, dosing).
Properties
Typical Properties
| Value | Units | Test Method / Conditions | |
| Peroxide content | approx. 97 | % w/w | - |
| Active oxygen | approx. 3.01 | % w/w | - |
| Storage stability as from date of delivery | 6 | months | - |
| Melting point | approx. 45 | °C | - |
| Critical temperature (SADT) | approx. 35 | °C | - |
| Recommended storage temperature | below 20 | °C | - |
| Maximum transport temperature | 20 | °C | - |
| Bulk density | approx. 0.50 | kg/l | - |
Regulatory & Compliance
Technical Details & Test Data
Half Life Data
10 h/1 h/1 min (0.1 m/benzene): 41/57/90 °C
Packaging & Availability
Packaging Type
Standard Packaging
20kg cardboard box.
Storage & Handling
Shelf Life
6 Months
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