Synthetic material apt to stably adsorb high quantities of heparin and process for the production thereof.

摘要

Synthetic material apt to stably adsorb high quantities of heparin, consisting of a polyurethan resin, cross-linked with copolymeric' chains in correspondance of at least part of its own urethane groups
<Chemistry id="chema01" num="0001"><Image id="ia01" he="11" wi="9" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>as per the following general formula:
<Chemistry id="chema02" num="0002"><Image id="ia02" he="30" wi="93" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein,
<UnorderedLists id="ula01" listStyle="none"><ListItem>PU--- is a polyurethanic polymeric chain,</ListItem><ListItem>R<Sup>1</Sup> is an alkyl or aralkyl, containing functional groups inert to isocyanates,</ListItem><ListItem>R<Sup>2</Sup> is an alkylene,</ListItem><ListItem>R<Sup>3</Sup> is an alkylene, arylene or other bivalent organic radical, and</ListItem><ListItem>R<Sup>n</Sup> is a polyamidoaminic radical;</ListItem></UnorderedLists>
and process for the production of said material.