C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
402/3, 260/452
C08J 3/24 (2006.01) A61K 9/20 (2006.01) A61K 47/32 (2006.01) C07C 239/22 (2006.01) C07C 259/06 (2006.01) C08F 220/36 (2006.01) C08F 220/58 (2006.01) C08K 5/32 (2006.01)
Patent
CA 2032581
Hydrolytically degradable hydrophilic gels and the method for preparation thereof The solution pertains to hydrolytically degradable hydro- philic gels consisting of the individual chains of hydrophilic polymer interconnected with crosslinks containing the structure unit Image The method for preparation of the hydrolytically degrad- able gels consists in subjecting hydrophilic monomers or their mixture to the radical polymerization or copolymerization, or to copolymerization with hydrophobic monomers, in the pre- sence 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.
Subr Vladimir
Ulbrich Karel
Academy Of Sciences Of The Czech Republic
Ceskoslovenska Akademie Ved
Robic
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