Studies on the use of nano zinc oxide and modified silica in NR, CR ...
Studies on the use of nano zinc oxide and modified silica in NR, CR ...
Studies on the use of nano zinc oxide and modified silica in NR, CR ...
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Chapter 2<br />
Stearic acid (co–activator)<br />
49<br />
Stearic acid was supplied by Godrej Soaps (Pvt.) Ltd, Bombay <strong>and</strong> <strong>the</strong><br />
specificati<strong>on</strong>s are given below.<br />
Accelerators<br />
Melt<strong>in</strong>g Po<strong>in</strong>t 65°C<br />
Acid number 200<br />
(a) N-cyclohexyl-2-benzothiazyl sulphenamide<br />
CBS <strong>use</strong>d <strong>in</strong> this study was santacure CBS supplied by NOCIL Ltd,<br />
Mumbai with specific gravity 1.27 (g/cm 3)<br />
(b) Tetramethylthiuram disulphide<br />
Tetramethylthiuram disulphide (TMTD) supplied by NOCIL Ltd,<br />
Mumbai, had <strong>the</strong> follow<strong>in</strong>g specificati<strong>on</strong>s.<br />
Process oils<br />
a) Aromatic Oil<br />
Melt<strong>in</strong>g Po<strong>in</strong>t 138°C<br />
Specific gravity (g/cm 3) 1.3<br />
Aromatic oil was supplied by H<strong>in</strong>dustan Organic Chemicals, Coch<strong>in</strong>.<br />
It had <strong>the</strong> follow<strong>in</strong>g specificati<strong>on</strong>s.<br />
Specific gravity (g/cm 3) 0.98<br />
Anil<strong>in</strong>e po<strong>in</strong>t (° C) 43.00<br />
Viscosity gravity c<strong>on</strong>stant 0.96<br />
b) Naph<strong>the</strong>nic Oil<br />
Naph<strong>the</strong>nic oil was supplied by M/S H<strong>in</strong>dustan Petroleum Ltd;<br />
Mumbai, India.