| 摘要 |
<p>Lithium metal-terminated polymers of one or more alkadienes and of one or more monoalkenyl arenes are coupled by reaction with a coupling agent which has the general formula
<Chemistry id="chema01" num="0001"><Image id="ia01" he="31" wi="41" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>where X is hydrogen, halogen or an alkyl group and Y is halogen or an alkoxy group, n is 0 or an integer from 1 to 10, a is 0,1 or 2 and b is 3-a.</p> |
