Process for crosslinking polyamines and crosslinked gelatin...

Details Process for crosslinking polyamines and crosslinked gelatin... Process for crosslinking polyamines and crosslinked gelatin...

C - Chemistry, Metallurgy

12

N

403/31

C12N 11/08 (2006.01) C08G 18/64 (2006.01) C09H 7/00 (2006.01)

Patent

CA 1264898

ABSTRACT Polyalkylenepolyamines and gelatins are crosslinked in a non-anhydrous environment to yield water-swellable, essentially water-insoluble gels and foams. The polyalkylenepolyamine is contacted with a polyisocyanate at a pH between 5 and 8 and subjected to a high rate of agitation. The gelatin is contacted with a polyisocyanate at a pH between 6 and 8 and subjected to a high rate of agitation. The process of this invention can be employed to immobilize proteins, enzymes, antibodies, etc.

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