Resins with a primary amine or guanidine function
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United States of America Patent
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Oct 6, 1998
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app pub date -
Dec 29, 1997
filing date -
Dec 11, 1995
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Abstract
The process includes the reaction of a chloroformamidinium chloride with a polystyrene-divinylbenzene resin functionalized with primary amine groups. The resins which can be obtained according to this process may in particular have a spacer arm of general formula (IV): --CH.sub.2 --(--X--CH.sub.2 --CH.sub.2 --).sub.m -- (IV) with X representing oxygen or sulphur and m being equal to 1 or 2. This spacer arm bears at its end, on the right, a primary amine group or a guanidine group.
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