Process for the preparation of resins with a primary amine or guanidine function, and resins thus obtained
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United States of America Patent
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Oct 26, 1999
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N/A
app pub date -
Jan 27, 1998
filing date -
Dec 11, 1995
priority date (Note) -
Expired
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Abstract
The process includes the reaction of a chloro-formamidinium 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): ##STR1## 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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