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| Retarder CTP |
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| N-(cyclohexylthio)phthalimide |
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| 17796-82-6 |
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Akrochem’s Retarder CTP is chemically knows as N-(cyclohexylthio) phthalimide.
CTP is a potent pre-vulcanized inhibitor utilized in sulfur cured elastomers.
Its highest efficiency is with sulfenamide type accelerators, but is also effective with thiazole cures.
This retarder increases scorch time by scavenging 2-mercaptobenzothiazole (MBT) during the sulfur cure mechanism.
The recommended loading is between 0.10 and 0.40 phr with a maximum non-blooming dosage of up to 0.5 phr.
CTP is a 75% active dispersion of CTP in EPR. Polymer bound or encapsulated dispersions are a proven means of upgrading plant safety, efficiency, quality & raw material control. |
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Appearance white to light tan powder
Specific Gravity 1.30
Toluene Insolubles 0.07
Assay 97.0
Ash Content 0.05
Melt Point 91'C
Retention (on 10 mesh) 0.05
Loss on Drying (1 hr. 60'C) 0.15% |
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