Long-chain, hydrophilic, crosslinking monomers. (n) value is MW of PEG unit.
n= 4,000 (MW of PEG Block= 4,000)
Polydispersity 3.5-4.0
Monoacrylate ~20%
Diacrylate ~80%
H2C=CHCO(OCH2CH2)nO2CCH=CH2