Hydrolytically degradable hydrophilic gels and the method for pr

Details Hydrolytically degradable hydrophilic gels and the method for pr Hydrolytically degradable hydrophilic gels and the method for pr

1991-12-10

1992-07-14

Schofer, Joseph L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Containing -c-, wherein substitution may be made for...

C07C25906

Patent

active

051304791

ABSTRACT:
The solution pertains to hydrolytically degradable hydrophilic gels consisting of the individual chains of hydrophilic polymer interconnected with crosslinks containing the structure unit ##STR1## The method for preparation of the hydrolytically degradable gels consists in subjecting hydrophilic monomers or their mixture to the radical polymerization or copolymerization, or to copolymerization with hydrophobic monomers, in the presence of a new compound--N,O-dimethacryloylhydroxylamine--as a crosslinking agent, and, if desired, in the presence of a solvent, whereas the amount of hydrophilic monomers is 50 to 99.8 molar percent related to all monomers present.

REFERENCES:
patent: 4637902 (1987-01-01), Hirai et al.
patent: 4996348 (1991-02-01), Kuhn et al.

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