poly(ethylene glycol dimethacrylate)Ethylene glycol dimethacrylate homopolymerPEG-DMAPoly(ethylene glycol dimethacrylate)poly (ethylene glycol) dimethacrylatepoly(ethylene glycol dimethacrylate)poly(ethylene glycol) dimethacrylatepoly(ethyleneglycol dimethacrylate)polyethylene glycol dimethacrylate