HYDROLYTICALLY DEGRADABLE HYDROPHILIC GELS

Hydrolytically degradeable hydrophilic gels (HG) formed from individual chains of hydrophilic polymers connected with crosslinks contg. a structural unit of formula (a). Pref. the gel contains N,O-dimethacryloylhydroxylamine as a crosslinking agent. The hydrophilic monomer is N-(2-hydroxypropyl) met...

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Bibliographische Detailangaben
Hauptverfasser:	SUBR VLADIMIR CSC, ULBRICH KAREL CSC
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Hydrolytically degradeable hydrophilic gels (HG) formed from individual chains of hydrophilic polymers connected with crosslinks contg. a structural unit of formula (a). Pref. the gel contains N,O-dimethacryloylhydroxylamine as a crosslinking agent. The hydrophilic monomer is N-(2-hydroxypropyl) methacrylamide, N-isopropylacrylamide, N,N-diethylacrylamide, N-ethylmethacrylamide, vinylpyrrolidone, maleic anhydride, 2-hydroxyethyl methacrylate, 2-(2-hydroxyethoxy) ethylmethacrylate, acrylic acid and/or methacrylic acid. The hydrophobic monomer is dimethylaminoethyl methacrylate, n-butylmethacrylate, n-butyl acrylate, 2-acetoxyethyl methacrylate, t.-butylacrylamide, methylmethacrylate or hexylmethacrylate. The solvent is DMSO, DMF, lower alcohol, e.g., MeOH or EtOH, or mixts. of alcohol-water, or water.