| 摘要 |
<p>A b s t r a c t A process for the production of storable 2-chloro-1,3-butadiene/sulphur copolymers by peptisation using sulphur containing petising agents, wherein a compound corresponding to the following general formula:.sigma. R1-Sn-R1 wherein n represents an integer having a value of from 2 to 10, preferably from 3 to 8 and, more particularly, from 4 to 6; and R1 represents a C6-C14 aryl radical, a C6-C14 aryl-C1-C3 alkyl radical or a heterocycle containing from 1 to 3 hereto atoms, such as N, which may be the same or different and which may optionally be substituted; optionally in combination with a nucleophilic substance, is added to the latex and peptised at from 5 to 100.degree.C and at a pH of from 14 to 3.</p> |
