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Ensinger PEI

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Nouryon Trigonox 127 Polymer Tert-Amyl peroxybenzoate
Categories: Other Engineering Material

Material Notes: Peroxide used for (co)polymerization of styrene in the temperature range of 100-135°C.

CAS number: 4511-39-1

EINECS/ELINCS No: 224-831-5

Applications: Polymerization of styrene Trigonox 127 may be used for the (co)polymerization of styrene in the temperature range of 100-135°C. In practice, combinations of two or more peroxides with diverging activities are used to reduce the residual monomer content in the final polymer and to increase reactor efficiency. During polymerization, the temperature is increased incrementally to insure that the temperature necessary to attain the optimum properties for each peroxide is reached. In this respect, Trigonox 127 is often used with more active initiators, such as dibenzoyl peroxide (Perkadox LW75) or tert-butyl peroxy-2-ethylhexanoate (Trigonox 21S). In a mass process Trigonox 127 may be used to increase the rate of polymerization.

Information provided by Nouryon

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Physical PropertiesOriginal ValueComments
Density 1.01 g/cc
Half-life 0.100
@Temperature 139 °C
[hr]
 1.00
@Temperature 118 °C
[hr]
 10.0
@Temperature 99.0 °C
[hr]
Molecular Weight 208.3 g/mol
Storage Temperature <= 20.0 °C
 
Thermal PropertiesOriginal ValueComments
Decomposition Temperature 60.0 °CSelf-Accelerating Decomposition Temperature
 
Processing PropertiesOriginal ValueComments
Shelf Life 3.00 Month
 
Descriptive Properties
AppearanceClear liquid
Assay= 94.0 %
Content= 7.22 %Active oxygen
Content (%)7.68Active oxygen content peroxide

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PNOURY1008 / 286531

Proto3000 – 3D Engineering Solutions

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