Figure 5
From: Rheoreversible hydrogels in paper restoration processes: a versatile tool

mid-FTIR ATR spectra of RS samples. Red line: no treated paper; blue line: paper cleaned using PLU hydrogel; red line: paper cleaned using PEO hydrogel.
From: Rheoreversible hydrogels in paper restoration processes: a versatile tool
mid-FTIR ATR spectra of RS samples. Red line: no treated paper; blue line: paper cleaned using PLU hydrogel; red line: paper cleaned using PEO hydrogel.