Fig. 4From: Polymerization of a new thermo-responsive copolymer with N-vinylcaprolactam and its application in recyclable aqueous two-phase systems with another thermo-responsive polymerTransmittance of PVBAm and PN with varying monomer ratios at different temperature in 5% (w/w) aqueous solutions, as measured by UV–vis spectroscopy. a for PN and b for PVBAmBack to article page