| abstract |
THE POLYMERIZATION OF DIMETHACRYLATE AND DIACRYLATE ESTERS OF ALKYLENE AND POLYALKYLENE GLYCOLS OF THE FORMULA R-(O-CH(-X)-CH2)N-O-CH(-X)-CH2-O-R WHEREIN N IS AN INTEGER FROM 0 TO 10**5 AND TRIMETHACRYLATE AND TRIACRYLATE ESTERS OF POLYALKYLENE OXIDE TRIOLS OF THE FORMULA R-O-(CH(-X)-CH2-O)N1-CH2-CH(-(O-CH2-CH(-X))N3-O-R)-CH2- (O-CH2-CH(-X))N2-O-R WHEREIN N1, N2 AND N3 ARE INTEGERS THE SUM OF WHICH IS FROM 3 TO 10**4, X IN EACH INSTANCE BEING H OR CH3 AND R BEING THE ACYL GROUP OF METHACRYLIC OR ACRYLIC ACID, OPTIONALLY IN THE PRESENCE OF UP TO 40% BY WEIGHT OF AN ADDITIONAL CROSS-LINKING AGENT, PRODUCES SWELLABLE GELS USEFUL AS GEL CHROMATOGRAPHY AGENTS. |