| 摘要 |
<p>Method of preparation copolymeric and multicomponent copolymeric sulfur , for use as vulcanization agent for unsaturated rubbers or their mixture with saturated rubbers, by reacting elementary or polymeric sulfur with at least one unsaturated organic compound at a temperature between 120 and 185°C and pressure 0,05 and 2 MPa during 1 to 5 hours in the presence 0,02 to 5% by weight of at least one activator selected from elements of II. Group of the periodic system and compounds incorporating those elements (MgO, CaO, CaO.MgO, ZnO).</p> |
