| 摘要 |
A multi-functional polymer defined by the formula <?in-line-formulae description="In-line Formulae" end="lead"?>(Q-R<img id="PRIVATE-USE-CHARACTER-00001" he="7.20mm" wi="8.47mm" file="US20070173612A1-20070726-Parenclosest.TIF" alt="private use character Parenclosest" img-content="character" img-format="tif" /><SUB>n</SUB>-Z-P<SUP>2</SUP>-Y <?in-line-formulae description="In-line Formulae" end="tail"?> where (Q-R)<SUB>n </SUB>is a functionality cluster, Q is a functional group, R is a multi-valent organic group, P<SUP>2 </SUP>is a long-chain polymer, n is an integer from about 2 to about 10, Y is a proton, a weak functional group, or a selective functional group, and Z is a branch point where the functionality clusters join the long-chain polymer.
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