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Akrochem DCBS
2-BENZOTHIAZOLESULFENAMIDE, N,N-DICYCLOHEXYL-(8CI)(9CI)
Benzothiazyl-2-dicyclohexl sulfenamide
4979-32-2
AKROCHEM DCBS is a sulfenamide accelerator with an extremely delayed onset of cure, recommended for applications where exceptionally long flow times are required.
It is particularly suitable for rubber goods subjected to high dynamic stresses and can be employed for Natural Rubber (NR), Synthetic Polyisoprene (IR), Polybutadiene (BR), Styrene Butadiene Rubber (SBR) and Nitrile Rubber (NBR).
AKROCHEM DCBS is suitable for compression and transfer molding, but cannot be used in hot air curing processes and is not recommended in steam cures.
It is also not recommended in compounds loaded with light colored fillers.
AKROCHEM DCBS offers the best scorch resistance of all sulfenamide accelerators and is especially useful where high processing temperatures are encountered.
Total curing times are longer than with CBTS or BBTS, but the flow time/curing time ratio is favorable.
Most suitable secondary accelerators for AKROCHEM DCBS are dithiocarbamates (BZ) and thiurams(TMTM), but also basic accelerators can be used (DPG).
It can also be employed in "low sulfur cures".
The use of zinc oxide is necessary and stearic acid should be included in compounds where high modulus values are required.
The main application area is in large tires, but it is also employed in conveyor belts, driving belts, shock absorbers, mountings and other intricately shaped molded goods requiring extremely long flow periods in the molding process.
Appearance cream to brown granules
Specific Gravity approx. 1.20
Melt Point 96 C minimum
Assay 95% minimum
Industrial field additive, rubber & additives
Akrochem Chemical Co
Phone 330-535-2100; 800-321-2260
Fax 330-535-8947
Homepage www.akrochem.com
E-mail kristenspurlock@akrochem.com
Address 255 Fountain St., Akron, OH 44304-1991
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