| 摘要 |
<p>Cyclized polydienes devoid of crosslinked fractions are prepared by polymerizing conjugated diolefins in solution in a solvent consisting of a mixture of saturated hydrocarbons with 20-95% by weight, with respect to the mixture, of chlorinated saturated hydrocarbons, in the presence of from 0.1 to 10 moles for each 100 moles of diolefins, of a catalyst of the formula RnAl Cl3-n, where R is an alkyl radical with 1-6 carbon atoms and n is from 1 to 1.5.</p> |
| 申请人 |
SOCIETA ITALIANA RESINE S.I.R. S.P.A., MAILAND/MILANO, IT |
发明人 |
STIGLIANI, GIUSEPPE, BUSTO ARSIZIO, VARESE, IT;GIUDICI, ALESSANDRO, CASTELLANZA, VARESE, IT;FERRE', FRANCO, GORLA MINORE, VARESE, IT |
